/* ==========================================================================
   Syntax Drill — terminal vitrificado: preto laqueado, verde de fósforo (escuro e claro)
   ========================================================================== */
/* Paleta: um verde de terminal sobre preto de piano. Tudo que era azul usa --accent. */
:root {
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'Fira Code', 'JetBrains Mono', Consolas, 'Courier New', monospace;
  --radius: 7px;
  --radius-sm: 5px;
  --accent-rgb: 51, 224, 127;
  --accent: #33e07f;
  --accent-hover: #5af09b;
  --accent-soft: rgba(51, 224, 127, 0.13);
  --accent-line: rgba(51, 224, 127, 0.36);
  --on-accent: #03140a;            /* texto sobre fundo verde (preto, para ter contraste) */
  --purple: #7ee2b8;               /* verde-menta: segundo tom da marca */
  --warn: #f5a524;
  --danger: #f75a68;
  --info: #2dd4bf;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #030504;
  --text: #e3eae6;
  --text-muted: #94a69c;
  --text-dim: #5b6d63;
  --glass-bg: rgba(7, 11, 9, 0.66);
  --glass-strong: rgba(4, 7, 5, 0.9);
  --glass-border: rgba(190, 255, 220, 0.085);
  --glass-hi: rgba(190, 255, 220, 0.04);
  --inner: rgba(0, 0, 0, 0.42);
  --code-bg: rgba(0, 0, 0, 0.5);
  --hl-bg: rgba(190, 255, 220, 0.07);
  --shadow: 0 12px 38px rgba(0, 0, 0, 0.65);
  --modal-bg: rgba(6, 9, 7, 0.97);
  --th-bg: #070b09;
  --blob1: #0a4a2a; --blob2: #07130c; --blob3: #0b3a22;
  --sql-kw: #3ddc84; --sql-str: #d9c46f; --sql-num: #f0a35e; --sql-com: #4f6358; --sql-op: #6fcf9f; --sql-fn: #c6f6dd;
}
html[data-theme="light"] {
  color-scheme: light;
  --accent-rgb: 10, 122, 63;
  --accent: #0a7a3f;
  --accent-hover: #075f30;
  --accent-soft: rgba(10, 122, 63, 0.11);
  --accent-line: rgba(10, 122, 63, 0.32);
  --on-accent: #ffffff;
  --purple: #0f7a55;
  --info: #0f766e;
  --bg: #edf3ef;
  --text: #101a14;
  --text-muted: #4a5b50;
  --text-dim: #7f9086;
  --glass-bg: rgba(255, 255, 255, 0.66);
  --glass-strong: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(15, 45, 28, 0.11);
  --glass-hi: rgba(15, 45, 28, 0.04);
  --inner: rgba(255, 255, 255, 0.6);
  --code-bg: rgba(243, 248, 245, 0.95);
  --hl-bg: rgba(15, 45, 28, 0.07);
  --shadow: 0 8px 28px rgba(15, 45, 28, 0.10);
  --modal-bg: rgba(255, 255, 255, 0.97);
  --th-bg: #f3f7f4;
  --blob1: #9fdcb9; --blob2: #d3e3da; --blob3: #b6e8cb;
  --sql-kw: #0a7a3f; --sql-str: #8a5a00; --sql-num: #c2410c; --sql-com: #7f9086; --sql-op: #0f766e; --sql-fn: #14532d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
code, pre, kbd { font-family: var(--mono); }
::selection { background: var(--accent-line); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--hl-bg); border-radius: 6px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background-color: var(--text-dim); }
::-webkit-scrollbar-track { background: transparent; }

/* --------------------------------------------------------------- fundo */
.bg-blobs { position: fixed; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(130px); opacity: 0.38; }
.blob-1 { top: -12%; left: -8%; width: 620px; height: 620px; background: var(--blob1); }
.blob-2 { bottom: -22%; right: -10%; width: 720px; height: 720px; background: var(--blob2); }
.blob-3 { top: 35%; left: 40%; width: 420px; height: 420px; background: var(--blob3); opacity: 0.16; }

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid var(--glass-border);
}
.glass-panel-inner { background: var(--inner); border: 1px solid var(--glass-border); }

.muted { color: var(--text-muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); }
.text-muted { color: var(--text-muted); }
.pad { padding: 24px; }
.spacer { flex: 1; }

/* --------------------------------------------------------------- layout */
.app-shell { display: flex; flex-direction: column; height: 100vh; position: relative; z-index: 1; }
.dashboard-layout { display: flex; flex: 1; min-height: 0; position: relative; }
.main-content { flex: 1; min-width: 0; overflow-y: auto; overflow-x: hidden; }
.view { min-height: 100%; }
.page { padding: 20px 24px 40px; display: flex; flex-direction: column; gap: 18px; max-width: 1680px; margin: 0 auto; }
.mobile-bar { display: none; }

/* --------------------------------------------------------------- sidebar */
.sidebar { width: 280px; flex-shrink: 0; display: flex; flex-direction: column; border-width: 0 1px 0 0; z-index: 20; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 14px 6px 20px; }
.sidebar-head .nav-section-title { margin: 0; padding: 0; }
.sidebar-close { display: none !important; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 4px 10px 16px; }
.sidebar-nav ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.main-nav { margin-bottom: 14px; }
.nav-section-title { font-size: 10.5px; color: var(--text-dim); font-weight: 700; letter-spacing: 1.2px; margin: 6px 0 8px; padding-left: 10px; text-transform: uppercase; }
.nav-link { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-muted); padding: 8px 10px; border-radius: var(--radius-sm); font-size: 13px; transition: background 0.15s, color 0.15s; border: 1px solid transparent; }
.nav-link:hover { background: var(--glass-hi); color: var(--text); }
.nav-link.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; border-color: var(--accent-line); }
.nav-ico { width: 18px; text-align: center; }

.module-group { margin-bottom: 4px; border-radius: var(--radius-sm); }
.module-title { width: 100%; display: flex; align-items: center; gap: 8px; padding: 8px 10px 4px; font-size: 12.5px; font-weight: 600; color: var(--text); text-align: left; border-radius: var(--radius-sm); }
.module-title:hover { background: var(--glass-hi); }
.mt-text { flex: 1; line-height: 1.3; }
.mt-count { font-size: 11px; color: var(--text-dim); font-weight: 500; font-variant-numeric: tabular-nums; }
.mt-count.full { color: var(--accent); }
.chev { transition: transform 0.2s; color: var(--text-dim); font-size: 15px; }
.module-group.open .chev { transform: rotate(90deg); }
.module-bar { height: 3px; margin: 2px 10px 6px 10px; border: none; }
.module-group ul { display: none; padding: 2px 0 6px 8px; }
.module-group.open ul { display: flex; }
.lesson-link { justify-content: space-between; padding: 6px 10px; font-size: 12.5px; }
.lesson-status { font-size: 10.5px; color: var(--text-dim); font-variant-numeric: tabular-nums; flex-shrink: 0; }
.lesson-status.full { color: var(--accent); font-weight: 700; font-size: 12px; }


/* --------------------------------------------------------------- header */
.top-header { padding: 16px 22px; border-radius: var(--radius); display: flex; align-items: center; gap: 18px; flex-wrap: wrap; box-shadow: var(--shadow); }
.th-main { flex: 1; min-width: 240px; }
.crumbs { font-size: 12px; color: var(--text-muted); margin-bottom: 2px; font-weight: 500; }
.top-header h1 { font-size: 21px; font-weight: 700; letter-spacing: -0.2px; }
.top-header p { margin-top: 4px; }

.ex-nav { display: flex; align-items: center; gap: 6px; }
.dots, .exam-progress { display: flex; gap: 4px; flex-wrap: wrap; max-width: 420px; }
.dot { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; font-size: 11.5px; font-weight: 600; text-decoration: none; color: var(--text-muted); background: var(--inner); border: 1px solid var(--glass-border); cursor: pointer; transition: transform 0.12s; }
.dot:hover { transform: translateY(-1px); color: var(--text); }
.dot-done { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.dot-help { background: rgba(var(--accent-rgb), 0.35); border-color: var(--accent-line); color: var(--text); }
.dot-tried { border-color: var(--warn); color: var(--warn); }
.dot.current { outline: 2px solid var(--text); outline-offset: 2px; }
.icon-btn { width: 32px; height: 32px; border-radius: var(--radius-sm); display: inline-grid; place-items: center; font-size: 18px; color: var(--text-muted); border: 1px solid transparent; }
.icon-btn:hover { background: var(--glass-hi); color: var(--text); border-color: var(--glass-border); }

.toggle-switch { display: flex; align-items: center; gap: 9px; cursor: pointer; background: var(--inner); padding: 7px 12px; border-radius: 20px; border: 1px solid var(--glass-border); user-select: none; }
.toggle-switch input { display: none; }
.slider { width: 34px; height: 19px; background: var(--hl-bg); border-radius: 20px; position: relative; transition: 0.25s; }
.slider::before { content: ''; position: absolute; width: 13px; height: 13px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: 0.25s; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); }
.toggle-switch input:checked + .slider { background: var(--accent); }
.toggle-switch input:checked + .slider::before { transform: translateX(15px); }
.toggle-label { font-size: 12.5px; font-weight: 500; }

/* --------------------------------------------------------------- grade principal */
.content-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(340px, 1fr); gap: 18px; align-items: start; }
.left-col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.right-col { position: sticky; top: 0; min-width: 0; }

.card { border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow); }
.card-header { padding: 11px 16px; border-bottom: 1px solid var(--glass-border); background: var(--inner); display: flex; align-items: center; gap: 10px; justify-content: space-between; min-height: 46px; }
.card-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px; color: var(--text-muted); }
.card-body { padding: 16px; }
.card-footer { padding: 10px 14px; border-top: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; gap: 10px; background: var(--inner); }
.toolbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* --------------------------------------------------------------- botões */
.btn { padding: 9px 18px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: 0.15s; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.3); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 18px rgba(var(--accent-rgb), 0.45); }
.btn-ghost { background: var(--inner); border-color: var(--glass-border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-line); }
.btn-danger { background: rgba(247, 90, 104, 0.14); color: var(--danger); border-color: rgba(247, 90, 104, 0.35); }
.btn-danger:hover { background: rgba(247, 90, 104, 0.24); }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn.loading { opacity: 0.7; pointer-events: none; }
.btn.loading::after { content: ''; width: 12px; height: 12px; border: 2px solid rgba(128, 128, 128, 0.35); border-top-color: currentColor; border-radius: 50%; animation: spin 0.7s linear infinite; }
.tool-btn { padding: 6px 11px; border-radius: 7px; font-size: 12.5px; color: var(--text-muted); border: 1px solid var(--glass-border); background: var(--inner); transition: 0.15s; white-space: nowrap; }
.tool-btn:hover { color: var(--text); border-color: var(--accent-line); }
.tool-btn.sm { padding: 4px 9px; font-size: 12px; }
.tool-btn.used { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.link-btn { color: var(--accent); font-size: 12.5px; font-weight: 600; text-decoration: none; padding: 2px 0; }
.link-btn:hover { text-decoration: underline; }
.chip-btn { padding: 4px 10px; border-radius: 20px; font-size: 12px; border: 1px solid var(--glass-border); background: var(--inner); color: var(--text-muted); }
.chip-btn.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }

/* --------------------------------------------------------------- exercício */
.exercise-card { padding: 16px 18px 14px; gap: 10px; }
.ex-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ex-num { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }
.ex-status { margin-left: auto; }
.fav-btn { font-size: 17px; color: var(--warn); }
.ex-text { font-size: 16.5px; line-height: 1.6; font-weight: 500; }
.ex-tools { display: flex; gap: 6px; flex-wrap: wrap; }
.lv { font-size: 10.5px; font-weight: 700; padding: 1px 8px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; flex-shrink: 0; }
.lv-1 { background: rgba(var(--accent-rgb), 0.14); color: var(--accent); }
.lv-2 { background: rgba(245, 165, 36, 0.15); color: var(--warn); }
.lv-3 { background: rgba(247, 90, 104, 0.15); color: var(--danger); }
.chip { font-size: 11px; padding: 1px 8px; border-radius: 20px; background: var(--hl-bg); color: var(--text-muted); font-weight: 500; }
.chip-mut { background: var(--hl-bg); color: var(--purple); }
.chip-ok { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.chip-help { background: rgba(45, 212, 191, 0.14); color: var(--info); font-weight: 600; }

.task-hl { font-family: var(--mono); font-size: 0.88em; font-weight: 500; color: var(--text); background: var(--hl-bg); padding: 1px 6px; border-radius: 5px; border-bottom: 2px solid var(--text-dim); white-space: nowrap; }
.hint-area:empty { display: none; }
.hint { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--inner); border: 1px solid var(--glass-border); border-left: 3px solid var(--warn); margin-top: 6px; font-size: 13.5px; }
.hint-sol { border-left-color: var(--info); }
.kw-list { margin-top: 6px; display: flex; gap: 5px; flex-wrap: wrap; align-items: center; color: var(--text-muted); font-size: 12.5px; }
.expected-box { border: 1px dashed var(--glass-border); border-radius: var(--radius-sm); overflow: hidden; }
.expected-title { padding: 7px 12px; font-size: 12.5px; font-weight: 600; background: var(--inner); }
.expected-box .table-wrapper { max-height: 240px; }

.sql-pre { font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; word-break: break-word; background: var(--code-bg); border: 1px solid var(--glass-border); padding: 10px 12px; border-radius: var(--radius-sm); margin-top: 6px; line-height: 1.55; }
.sql-kw { color: var(--sql-kw); font-weight: 600; }
.sql-str { color: var(--sql-str); }
.sql-num { color: var(--sql-num); }
.sql-com { color: var(--sql-com); font-style: italic; }
.sql-op { color: var(--sql-op); }

/* --------------------------------------------------------------- editor */
.editor-card .editor-host { min-height: 150px; }
.editor-host .CodeMirror { height: auto; min-height: 150px; font-family: var(--mono); font-size: 14px; background: transparent; color: var(--text); padding: 6px 0; line-height: 1.6; }
.editor-host.tall .CodeMirror { min-height: 230px; }
.editor-host .CodeMirror-scroll { min-height: 150px; max-height: 360px; }
.editor-host.tall .CodeMirror-scroll { min-height: 230px; max-height: 460px; }
.cm-s-academy .CodeMirror-gutters { background: transparent; border-right: 1px solid var(--glass-border); }
.cm-s-academy .CodeMirror-linenumber { color: var(--text-dim); font-size: 12px; }
.cm-s-academy .CodeMirror-cursor { border-left: 2px solid var(--accent); }
.cm-s-academy .CodeMirror-selected, .cm-s-academy.CodeMirror-focused .CodeMirror-selected { background: var(--accent-soft) !important; }
.cm-s-academy .CodeMirror-activeline-background { background: var(--glass-hi); }
.cm-s-academy .cm-keyword { color: var(--sql-kw); font-weight: 600; }
.cm-s-academy .cm-string, .cm-s-academy .cm-string-2 { color: var(--sql-str); }
.cm-s-academy .cm-number { color: var(--sql-num); }
.cm-s-academy .cm-comment { color: var(--sql-com); font-style: italic; }
.cm-s-academy .cm-operator, .cm-s-academy .cm-punctuation { color: var(--sql-op); }
.cm-s-academy .cm-builtin, .cm-s-academy .cm-type { color: var(--sql-fn); }
.cm-s-academy .cm-atom { color: var(--purple); }
.cm-s-academy .cm-variable-2 { color: var(--text); }
.cm-s-academy div.CodeMirror-matchingbracket { color: var(--accent) !important; font-weight: 700; text-decoration: underline; }
.CodeMirror-hints { background: var(--glass-strong); backdrop-filter: blur(14px); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); box-shadow: var(--shadow); font-family: var(--mono); font-size: 13px; padding: 4px; z-index: 50; }
.CodeMirror-hint { color: var(--text); padding: 3px 10px; border-radius: 5px; }
li.CodeMirror-hint-active { background: var(--accent); color: var(--on-accent); }
.plain-editor { width: 100%; min-height: 160px; resize: vertical; border: none; outline: none; background: transparent; padding: 12px 14px; font-family: var(--mono); font-size: 14px; line-height: 1.6; color: var(--text); }
.kbd-hint { font-size: 11.5px; color: var(--text-dim); }
kbd { font-size: 11px; padding: 1px 5px; border-radius: 4px; border: 1px solid var(--glass-border); border-bottom-width: 2px; background: var(--inner); color: var(--text-muted); }

/* --------------------------------------------------------------- resultado */
.result-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 10px; align-items: center; }
.feedback:empty { display: none; }
.banner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; font-size: 14px; border-bottom: 1px solid var(--glass-border); }
.banner-ok { background: var(--accent-soft); color: var(--accent); }
.banner-warn { background: rgba(245, 165, 36, 0.12); color: var(--warn); }
.result-body .banner { border-bottom: none; }
.sql-error { margin: 12px; padding: 10px 14px; border-radius: var(--radius-sm); background: rgba(247, 90, 104, 0.1); border: 1px solid rgba(247, 90, 104, 0.3); color: var(--danger); font-family: var(--mono); font-size: 13px; }
.err-tip { margin-top: 6px; font-family: var(--font); color: var(--text); font-size: 13px; }
.compat-note { margin: 12px; border-radius: var(--radius-sm); background: rgba(var(--accent-rgb), 0.08); border: 1px solid rgba(var(--accent-rgb), 0.28); font-size: 13px; }
.compat-note summary { cursor: pointer; padding: 8px 12px; display: flex; align-items: center; gap: 8px; list-style: none; color: var(--text); }
.compat-note summary::-webkit-details-marker { display: none; }
.compat-note summary svg { color: var(--accent); flex: none; width: 16px; height: 16px; }
.compat-note summary b { color: var(--accent); white-space: nowrap; }
.compat-sum { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.compat-note[open] .compat-sum { display: none; }
.compat-note ul { margin: 0; padding: 0 14px 4px 34px; color: var(--text); }
.compat-note li { margin: 2px 0; }
.compat-label { padding: 6px 12px 0; color: var(--text-muted); font-size: 12px; }
.compat-note .sql-pre { margin: 6px 12px 12px; }
.err-tip code { font-family: var(--mono); background: var(--hl-bg); padding: 0 4px; border-radius: 4px; }
.table-wrapper { overflow: auto; max-height: 420px; }
.result-body { max-height: 520px; overflow: auto; }
.rs-block { border-bottom: 1px solid var(--glass-border); padding-bottom: 6px; }
.rs-block .link-btn { margin: 4px 12px; display: inline-block; }
.state-title { padding: 8px 14px; font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; background: var(--glass-hi); }
.empty-result { padding: 18px; text-align: center; color: var(--text-dim); font-size: 13px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { padding: 8px 14px; text-align: left; border-bottom: 1px solid var(--glass-border); white-space: nowrap; }
.data-table th { background: var(--th-bg); font-weight: 700; position: sticky; top: 0; color: var(--text-muted); z-index: 1; font-size: 11px; letter-spacing: 0.5px; font-family: var(--mono); }
.data-table th.clickable { cursor: pointer; }
.data-table th.clickable:hover { color: var(--accent); }
.data-table tbody tr:hover td { background: var(--glass-hi); }
.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12.5px; }
.data-table td.null { color: var(--text-dim); font-style: italic; font-size: 11.5px; }
.data-table .rownum { color: var(--text-dim); font-size: 11px; width: 1%; text-align: right; padding-right: 6px; }
.data-table.compact th, .data-table.compact td { padding: 6px 10px; }

/* --------------------------------------------------------------- painel lateral */
.side-card { max-height: calc(100vh - 40px); }
.side-tabs { display: flex; border-bottom: 1px solid var(--glass-border); background: var(--inner); }
.side-tab { flex: 1; padding: 12px 8px; font-size: 12.5px; font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent; transition: 0.15s; }
.side-tab:hover { color: var(--text); }
.side-tab.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--glass-hi); }
.badge-count { font-size: 10.5px; background: var(--hl-bg); padding: 0 6px; border-radius: 6px; margin-left: 2px; }
.side-body { overflow-y: auto; flex: 1; min-height: 0; }
.side-pane { display: none; }
.side-pane.active { display: block; }

.theory { padding: 18px 20px 6px; font-size: 14px; line-height: 1.7; }
.theory p { margin-bottom: 12px; }
.theory h4 { margin: 16px 0 8px; font-size: 15px; }
.theory ul, .theory ol { margin: 0 0 12px 20px; }
.theory li { margin-bottom: 4px; }
.theory .task-hl { white-space: normal; }
.code-block { position: relative; margin: 0 0 14px; }
.code-block pre { font-size: 13px; background: var(--code-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); padding: 12px 14px; overflow-x: auto; line-height: 1.6; }
.code-try { position: absolute; right: 6px; top: 6px; font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--glass-strong); border: 1px solid var(--glass-border); color: var(--text-muted); opacity: 0; transition: 0.15s; }
.code-block:hover .code-try { opacity: 1; }
.code-try:hover { color: var(--accent); }
.md-table { overflow-x: auto; margin-bottom: 14px; }
.md-table table { border-collapse: collapse; width: 100%; font-size: 13px; }
.md-table th, .md-table td { border: 1px solid var(--glass-border); padding: 6px 10px; text-align: left; }
.md-table th { background: var(--inner); font-weight: 600; }
.callout { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--accent-soft); border-left: 3px solid var(--purple); margin-bottom: 12px; font-size: 13.5px; }
.lesson-nav { display: flex; justify-content: space-between; gap: 10px; padding: 12px 20px 18px; border-top: 1px solid var(--glass-border); margin-top: 8px; }

.task-list { list-style: none; padding: 8px; display: flex; flex-direction: column; gap: 2px; }
.task-list a { display: flex; gap: 10px; align-items: flex-start; padding: 9px 10px; border-radius: var(--radius-sm); text-decoration: none; font-size: 13px; line-height: 1.5; color: var(--text); border: 1px solid transparent; }
.task-list a:hover { background: var(--glass-hi); }
.task-list li.current a { background: var(--accent-soft); border-color: var(--accent-line); }
.task-list a > span:nth-child(2) { flex: 1; }
.task-list li.ts-done .task-text, .task-list li.ts-help .task-text { color: var(--text-muted); }
.task-list .task-hl { white-space: normal; }
.st { width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0; display: inline-grid; place-items: center; font-size: 11px; font-weight: 700; margin-top: 1px; }
.st-done { background: var(--accent); color: var(--on-accent); }
.st-help { background: rgba(45, 212, 191, 0.2); color: var(--info); }
.st-tried { border: 2px solid var(--warn); color: var(--warn); font-size: 14px; line-height: 0; }
.st-new { border: 2px solid var(--glass-border); }

.schema-tabs { padding: 10px 10px 0; display: flex; flex-direction: column; gap: 8px; border-bottom: 1px solid var(--glass-border); }
.tab-strip { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { padding: 5px 10px; font-size: 12px; font-family: var(--mono); border-radius: 7px 7px 0 0; color: var(--text-muted); border: 1px solid transparent; border-bottom: none; }
.tab:hover { color: var(--text); background: var(--glass-hi); }
.tab.active { background: var(--inner); color: var(--accent); border-color: var(--glass-border); font-weight: 600; }
.tab-count { font-family: var(--font); font-size: 10px; margin-left: 5px; color: var(--text-dim); }
.seg { display: inline-flex; background: var(--inner); border-radius: 7px; padding: 2px; border: 1px solid var(--glass-border); align-self: flex-start; margin-bottom: 8px; }
.seg-btn { font-size: 11.5px; padding: 3px 10px; border-radius: 5px; color: var(--text-muted); }
.seg-btn.active { background: var(--accent); color: var(--on-accent); }
.schema-body { max-height: calc(100vh - 230px); overflow: auto; }
.side-pane .schema-body { max-height: calc(100vh - 210px); }
.struct-table td { white-space: normal; }
.col-ins { font-family: var(--mono); font-size: 12.5px; color: var(--text); border-bottom: 1px dashed var(--text-dim); }
.col-ins:hover { color: var(--accent); border-color: var(--accent); }
.tag { display: inline-block; font-size: 10px; padding: 0 6px; border-radius: 4px; background: var(--hl-bg); color: var(--text-muted); font-weight: 600; margin: 1px 0; font-family: var(--mono); }
.tag-pk { background: rgba(245, 165, 36, 0.16); color: var(--warn); }
.tag-fk { background: var(--hl-bg); color: var(--purple); }
.schema-hint { padding: 10px 14px; font-size: 12px; color: var(--text-dim); }
.ds-filter { display: flex; gap: 5px; flex-wrap: wrap; padding: 10px 10px 0; }
.ds-filter:empty { display: none; }

/* --------------------------------------------------------------- início */
.hero { border-radius: 8px; padding: 28px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, var(--accent-soft), transparent 70%); pointer-events: none; }
.eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.hero h1 { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.hero p { font-size: 15px; margin-bottom: 18px; max-width: 560px; }
.hero-next { margin-top: 14px; font-size: 13.5px; padding: 10px 14px; border-radius: var(--radius-sm); background: var(--inner); border: 1px solid var(--glass-border); max-width: 560px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: center; }
.stat { padding: 14px 16px; border-radius: var(--radius); background: var(--inner); border: 1px solid var(--glass-border); }
.stat-num { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; }
.stat-num small { font-size: 14px; color: var(--text-muted); font-weight: 600; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.section-title { font-size: 16px; font-weight: 700; margin-top: 6px; display: flex; align-items: baseline; gap: 8px; }
.heatmap { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 14px); grid-auto-columns: 14px; gap: 3px; overflow-x: auto; padding-bottom: 4px; justify-content: start; }
.hm { width: 14px; height: 14px; border-radius: 3px; display: block; background: var(--hl-bg); }
.hm-1 { background: rgba(var(--accent-rgb), 0.3); }
.hm-2 { background: rgba(var(--accent-rgb), 0.5); }
.hm-3 { background: rgba(var(--accent-rgb), 0.75); }
.hm-4 { background: var(--accent); }
.heat-legend { display: flex; gap: 4px; align-items: center; justify-content: flex-start; font-size: 11px; color: var(--text-dim); margin-top: 8px; }
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.module-card { border-radius: var(--radius); padding: 14px 16px; text-decoration: none; display: flex; flex-direction: column; gap: 6px; transition: transform 0.15s, border-color 0.15s; }
.module-card:hover { transform: translateY(-2px); border-color: var(--accent-line); }
.module-card.complete { border-color: var(--accent-line); }
.mc-top { display: flex; align-items: center; gap: 8px; }
.mc-icon { font-size: 20px; }
.mc-num { font-size: 11px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; }
.mc-done { margin-left: auto; color: var(--accent); font-weight: 800; }
.mc-title { font-weight: 700; font-size: 14.5px; }
.mc-desc { font-size: 12.5px; color: var(--text-muted); flex: 1; }
.mc-foot { display: flex; align-items: center; gap: 10px; font-size: 11.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.mc-foot .mini-bar { flex: 1; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mini-ex { display: flex; gap: 10px; align-items: flex-start; padding: 8px 6px; text-decoration: none; border-radius: var(--radius-sm); font-size: 13px; border-bottom: 1px solid var(--glass-border); }
.mini-ex:last-child { border-bottom: none; }
.mini-ex:hover { background: var(--glass-hi); }
.mini-ex-text { flex: 1; }
.mini-ex-text .task-hl { white-space: normal; }
.mini-ex-meta { font-size: 11.5px; color: var(--text-dim); text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 3px; max-width: 40%; }
.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.ach { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border-radius: var(--radius); opacity: 0.45; filter: grayscale(1); }
.ach.on { opacity: 1; filter: none; border-color: var(--accent-line); }
.ach-icon { font-size: 26px; }
.ach-title { font-weight: 700; font-size: 13.5px; }
.ach-desc { font-size: 12px; color: var(--text-muted); }
.ds-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.ds-card { border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.ds-head { display: flex; gap: 8px; align-items: center; font-size: 14.5px; }
.ds-icon { font-size: 20px; }
.ds-tables { display: flex; flex-wrap: wrap; gap: 5px; flex: 1; align-content: flex-start; }

/* --------------------------------------------------------------- simulado */
.exam-config { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label, .field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--text-muted); }
select, .field input { padding: 9px 11px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: var(--inner); outline: none; font-size: 13.5px; color: var(--text); font-weight: 400; }
select:focus, .field input:focus { border-color: var(--accent-line); }
select option { background: var(--bg); color: var(--text); }
label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; color: var(--text); font-size: 13px; cursor: pointer; }
label.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.label-row { font-size: 12.5px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; display: flex; gap: 10px; align-items: center; }
.mod-checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px 14px; }
.pool-info { margin-left: 12px; }
.exam-timer { font-family: var(--mono); font-size: 22px; font-weight: 600; padding: 6px 14px; border-radius: var(--radius-sm); background: var(--inner); border: 1px solid var(--glass-border); font-variant-numeric: tabular-nums; }
.exam-timer.warn { color: var(--danger); border-color: rgba(247, 90, 104, 0.4); animation: pulse 1s infinite; }
.score-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.score-row .stat { border-radius: var(--radius); text-align: center; padding: 20px; }
.score-row .stat-num { font-size: 36px; }
.review-list { display: flex; flex-direction: column; gap: 8px; }
.review { border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: var(--inner); }
.review summary { display: flex; gap: 10px; align-items: center; padding: 10px 12px; cursor: pointer; list-style: none; font-size: 13.5px; }
.review summary::-webkit-details-marker { display: none; }
.rv-icon { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 12px; flex-shrink: 0; }
.review.ok .rv-icon { background: var(--accent); color: var(--on-accent); }
.review.bad .rv-icon { background: rgba(247, 90, 104, 0.2); color: var(--danger); }
.rv-text { flex: 1; }
.rv-body { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 0 12px 12px; }
.rv-label { font-size: 11.5px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* --------------------------------------------------------------- referência */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
.ref-item { padding: 10px 0 12px; border-bottom: 1px solid var(--glass-border); }
.ref-item:last-child { border-bottom: none; }
.ref-head { display: flex; flex-direction: column; gap: 2px; }
.ref-actions { display: flex; gap: 14px; margin-top: 6px; }
.shortcuts { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; font-size: 13px; color: var(--text-muted); }

/* --------------------------------------------------------------- modal / toast / boot */
.modal-backdrop { position: fixed; inset: 0; background: rgba(5, 5, 10, 0.55); z-index: 100; display: grid; place-items: center; padding: 16px; animation: fade 0.15s; }
.modal { width: min(520px, 100%); max-height: calc(100vh - 32px); border-radius: 8px; display: flex; flex-direction: column; background: var(--modal-bg); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); animation: pop 0.18s ease-out; }
.modal.wide { width: min(820px, 100%); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px 10px; }
.modal-head h3 { font-size: 17px; }
.modal-body { padding: 4px 18px 16px; overflow-y: auto; font-size: 14px; }
.modal-body p { margin-bottom: 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--glass-border); }
.settings { display: flex; flex-direction: column; gap: 18px; }
.set-group { display: flex; flex-direction: column; gap: 10px; }
.set-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px; color: var(--text-muted); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.danger-zone { padding-top: 14px; border-top: 1px solid var(--glass-border); }
.about { padding-top: 10px; border-top: 1px solid var(--glass-border); }
.hist-list { display: flex; flex-direction: column; gap: 6px; }
.hist-item { text-align: left; width: 100%; border-radius: var(--radius-sm); }
.hist-item:hover .sql-pre { border-color: var(--accent-line); }

#toast-root { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.toast { padding: 11px 16px; border-radius: 6px; background: var(--glass-strong); backdrop-filter: blur(14px); border: 1px solid var(--glass-border); box-shadow: var(--shadow); font-size: 13.5px; transform: translateY(12px); opacity: 0; transition: 0.25s; max-width: 380px; }
.toast.show { transform: none; opacity: 1; }
.toast-success { border-left: 4px solid var(--accent); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-achievement { border-left: 4px solid var(--warn); }

.boot { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--bg); transition: opacity 0.35s; }
.boot.hide { opacity: 0; pointer-events: none; }
.boot-card { padding: 28px 34px; border-radius: 8px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; max-width: 460px; line-height: 1.6; }
.spinner { width: 34px; height: 34px; border: 3px solid var(--hl-bg); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }

.confetti { position: fixed; width: 8px; height: 12px; border-radius: 2px; z-index: 250; pointer-events: none; animation: confetti 1s cubic-bezier(.2, .7, .4, 1) forwards; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { transform: scale(0.96); opacity: 0; } }
@keyframes pulse { 50% { opacity: 0.6; } }
@keyframes confetti {
  to { transform: translate(var(--dx), calc(var(--dy) + 120px)) rotate(var(--rot)); opacity: 0; }
}

/* --------------------------------------------------------------- responsivo */
@media (max-width: 1180px) {
  .content-grid { grid-template-columns: 1fr; }
  .right-col { position: static; }
  .side-card { max-height: none; }
  .side-body { max-height: 520px; }
  .hero { grid-template-columns: 1fr; }
  .exam-config { grid-template-columns: 1fr; }
}
@media (max-width: 1000px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); transition: transform 0.25s; background: var(--modal-bg); z-index: 60; }
  body.nav-open .sidebar { transform: none; box-shadow: 20px 0 60px rgba(0, 0, 0, 0.4); }
  .sidebar-close { display: inline-grid !important; }
  .menu-toggle { display: inline-grid !important; }
  .top-search, .top-progress { display: none !important; }
}
@media (max-width: 900px) {
  .page { padding: 14px 16px 32px; }
  .two-col, .form-grid, .score-row, .rv-body { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr; }
  .top-header { padding: 14px 16px; }
  .kbd-hint { display: none; }
  .top-nav a span { display: none; }
  .profile-info { display: none !important; }
}
@media (max-width: 560px) {
  .hero { padding: 20px; }
  .hero h1 { font-size: 24px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 21px; }
  .ex-text { font-size: 15px; }
  .dots { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.activity-summary { display: flex; gap: 22px; margin-top: 14px; flex-wrap: wrap; }
.activity-summary div { font-size: 12px; color: var(--text-muted); }
.activity-summary b { display: block; font-size: 18px; color: var(--text); }
.sub-title { font-size: 11.5px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; margin: 4px 0 6px; }
.sub-title:not(:first-child) { margin-top: 16px; }
.card-footer .run-btn, .card-footer .answer-btn { margin-left: auto; }
.card-footer .answer-btn { margin-left: 0; }

/* =============================================================== v3: menu superior, ícones, lição e treino */
.ico { width: 16px; height: 16px; flex-shrink: 0; vertical-align: -3px; }
.ico-sm { width: 13px; height: 13px; vertical-align: -2px; }
.btn .ico, .tool-btn .ico, .link-btn .ico { margin: 0; }
.tool-btn, .link-btn { display: inline-flex; align-items: center; gap: 6px; }
.tool-btn .ico { width: 14px; height: 14px; }
.icon-btn .ico { width: 18px; height: 18px; }
.toast .ico { width: 16px; height: 16px; vertical-align: -3px; margin-right: 4px; color: var(--accent); }
.toast-achievement .ico { color: var(--warn); }

.topbar { display: flex; align-items: center; gap: 14px; padding: 0 18px; height: 60px; flex-shrink: 0; border-width: 0 0 1px; z-index: 30; }
.menu-toggle { display: none !important; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand-icon { width: 32px; height: 32px; border-radius: 6px; background: linear-gradient(135deg, var(--accent), #14a35a 62%, var(--purple)); color: var(--on-accent); display: grid; place-items: center; box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.35); }
.brand-icon svg { width: 20px; height: 20px; }
.brand-title { font-weight: 800; font-size: 14.5px; letter-spacing: 0.6px; white-space: nowrap; }
.top-nav { display: flex; gap: 2px; margin-left: 10px; overflow-x: auto; scrollbar-width: none; }
.top-nav::-webkit-scrollbar { display: none; }
.top-nav a { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border-radius: 5px; text-decoration: none; color: var(--text-muted); font-size: 13.5px; font-weight: 500; white-space: nowrap; border: 1px solid transparent; transition: 0.15s; }
.top-nav a:hover { color: var(--text); background: var(--glass-hi); }
.top-nav a.active { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-line); font-weight: 600; }
.top-nav a.nav-accent:not(.active) { color: var(--text); }
.top-nav a.nav-accent .ico { color: var(--warn); }
.top-search { position: relative; flex: 1; max-width: 300px; margin-left: auto; }
.top-search .search-ico { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-dim); display: flex; }
.top-search .ico { width: 15px; height: 15px; }
.top-search input { width: 100%; padding: 8px 12px 8px 32px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); outline: none; font-size: 13px; }
.top-search input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.top-progress { width: 150px; display: flex; flex-direction: column; gap: 5px; flex-shrink: 0; }
.tp-text { font-size: 11.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.streak { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; padding: 5px 10px; border-radius: 20px; background: rgba(245, 165, 36, 0.12); color: var(--warn); flex-shrink: 0; }
.streak .ico { width: 15px; height: 15px; }
.profile { display: flex; align-items: center; gap: 9px; padding: 4px 10px 4px 4px; border-radius: 30px; border: 1px solid transparent; text-align: left; flex-shrink: 0; }
.profile:hover { background: var(--glass-hi); border-color: var(--glass-border); }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: var(--on-accent); background: linear-gradient(135deg, var(--purple), var(--accent)); flex-shrink: 0; }
.profile-info { display: flex; flex-direction: column; min-width: 0; }
.profile-name { font-weight: 600; font-size: 13px; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.profile-status { font-size: 11.5px; color: var(--text-muted); display: flex; gap: 6px; align-items: center; }
.level-chip { background: var(--accent-soft); color: var(--accent); padding: 0 7px; border-radius: 20px; font-weight: 600; font-size: 10.5px; }

/* trilha só texto */
.module-title { padding: 9px 10px 4px; }
.mt-text { flex: 1; line-height: 1.35; }

/* lição */
.lesson-header { flex-direction: column; align-items: stretch; gap: 0; padding: 16px 20px; }
.lh-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.theory-box { margin-top: 12px; border-top: 1px solid var(--glass-border); padding-top: 10px; }
.theory-toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text-muted); padding: 4px 8px 4px 2px; border-radius: 6px; }
.theory-toggle:hover { color: var(--text); }
.theory-toggle .tt-hint { font-weight: 400; color: var(--text-dim); font-size: 12px; }
.theory-toggle .chev { transition: transform 0.2s; width: 15px; height: 15px; }
.theory-box.open .theory-toggle .chev { transform: rotate(180deg); }
.theory-body { display: none; }
.theory-box.open .theory-body { display: block; }
.lesson-header .theory { padding: 10px 2px 0; max-width: 980px; columns: 1; }
.tables-card .schema-body { max-height: 270px; }
.tables-card .card-header { min-height: 40px; padding: 8px 16px; }
.editor-card .card-footer { justify-content: flex-start; }
.editor-card .card-footer .toggle-switch { padding: 5px 10px; }
.editor-card .card-footer .run-btn { margin-left: auto; }

.task-card { max-height: calc(100vh - 100px); }
.task-card .task-list { overflow-y: auto; flex: 1; min-height: 0; padding: 10px; gap: 4px; counter-reset: none; }
.task-list li.current { border-radius: var(--radius-sm); background: var(--accent-soft); border: 1px solid var(--accent-line); }
.task-current { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.task-row { display: flex; gap: 10px; align-items: flex-start; }
.task-text { flex: 1; }
.task-current .task-text { font-size: 15.5px; font-weight: 500; line-height: 1.55; }
.task-text.big { font-size: 16.5px; font-weight: 500; line-height: 1.6; margin-bottom: 10px; display: block; }
.task-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.task-meta .ex-status { margin-left: auto; }
.task-meta:empty { display: none; }
.task-tools .ex-tools { margin-top: 2px; }
.task-tools .tool-btn { padding: 5px 9px; font-size: 12px; }
.task-tools .hint { font-size: 13px; }
.task-tools .expected-box { margin-top: 8px; background: var(--inner); }
.fav-btn { color: var(--text-dim); }
.fav-btn.on { color: var(--warn); }
.fav-btn.on .ico { fill: currentColor; }
.task-footer { justify-content: space-between; flex-wrap: wrap; }
.task-footer .link-btn { font-size: 12px; }
.st .ico { width: 11px; height: 11px; stroke-width: 3; }
.rv-icon .ico { width: 12px; height: 12px; stroke-width: 3; }
.mc-done .ico { width: 16px; height: 16px; stroke-width: 3; }
.ach-icon { width: 40px; height: 40px; border-radius: 6px; display: grid; place-items: center; background: var(--inner); color: var(--accent); flex-shrink: 0; }
.ach-icon .ico { width: 20px; height: 20px; }
.ach:not(.on) .ach-icon { color: var(--text-dim); }
.ds-icon { color: var(--accent); display: flex; }
.ds-icon .ico { width: 18px; height: 18px; }
.err-tip .ico { width: 14px; height: 14px; color: var(--text-muted); }
.banner .ico { width: 16px; height: 16px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* treino */
.practice-header { align-items: flex-start; }
.goal-box { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--inner); border: 1px solid var(--glass-border); min-width: 140px; }
.goal-num { font-size: 22px; font-weight: 800; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.goal-num b { color: var(--text); }
.goal-label { font-size: 11.5px; color: var(--text-muted); margin-bottom: 6px; }
.practice-filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; width: 100%; padding-top: 12px; border-top: 1px solid var(--glass-border); }
.practice-filters .field { min-width: 180px; }
.practice-filters .check { padding-bottom: 9px; }
.practice .task-card .card-body { overflow-y: auto; }
.recent-list .mini-ex { cursor: default; }
.crumbs .ico { width: 13px; height: 13px; color: var(--warn); vertical-align: -2px; }
.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 1000px) {
  .menu-toggle { display: inline-grid !important; }
  .top-search, .top-progress { display: none !important; }
}
@media (max-width: 900px) {
  .top-nav a span, .profile-info, .brand-title { display: none !important; }
  .topbar { gap: 8px; padding: 0 10px; }
  .top-nav { margin-left: 0; }
  .field-row { grid-template-columns: 1fr; }
}
.lesson-header, .theory-box, .theory-body, .lh-row > * { min-width: 0; }
.theory-box { overflow: hidden; }
.ex-nav { flex-wrap: wrap; min-width: 0; }
@media (max-width: 900px) {
  .streak { display: none; }
  .lesson-header .theory .md-table { max-width: 100%; }
}
.page > *, .content-grid > * { min-width: 0; }
.lh-row .th-main { min-width: 220px; flex: 1 1 220px; }
.lesson-header { flex-wrap: nowrap; }
@media (max-width: 900px) { .ex-nav .icon-btn { display: none; } }

/* =============================================================== v4: alinhamento, recolher trilha, botão Treinar */
:root { --sidebar-w: 280px; }
.topbar { padding: 0 18px 0 0; gap: 14px; }
.brand { width: var(--sidebar-w); padding-left: 20px; align-self: stretch; }
.top-nav { margin-left: 10px; }
.sidebar { width: var(--sidebar-w); }
.sidebar-head .sidebar-collapse { margin-left: auto; width: 28px; height: 28px; }
.sidebar-head .sidebar-collapse .ico { width: 16px; height: 16px; }
body.sb-collapsed .sidebar { display: none; }
body.sb-collapsed .menu-toggle { display: inline-grid !important; margin-left: 12px; }
body.sb-collapsed .brand { width: auto; padding-left: 4px; }
.top-nav a.nav-accent { background: var(--accent); color: var(--on-accent); font-weight: 600; box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.35); padding: 7px 14px 7px 11px; }
.top-nav a.nav-accent .ico { color: var(--on-accent); width: 13px; height: 13px; }
.top-nav a.nav-accent:hover { background: var(--accent-hover); color: var(--on-accent); }
.top-nav a.nav-accent.active { background: var(--accent); color: var(--on-accent); border-color: transparent; box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent-line); }
.top-nav a.nav-accent:not(.active) { color: var(--on-accent); }
.exam-config { grid-template-columns: 1fr; }
.lesson-link.current-lesson { color: var(--text); background: var(--glass-hi); border-color: var(--glass-border); }
.module-group.has-current > .module-title .mt-text { color: var(--accent); }
.ds-links { display: flex; gap: 14px; flex-wrap: wrap; }
.ds-head .chip { margin-left: auto; }
.ex-tags { display: inline-flex; gap: 6px; align-items: center; }
.ex-tags .chip { display: inline-flex; align-items: center; gap: 4px; }
@media (max-width: 1000px) {
  .brand { width: auto; padding-left: 4px; }
  .topbar { padding-left: 10px; }
  .sidebar-head .sidebar-collapse { display: none; }
  body.sb-collapsed .sidebar { display: flex; }
}
@media (max-width: 900px) {
  .top-nav a.nav-accent span { display: none; }
}
.top-search { flex: 1 1 200px; min-width: 170px; }
.top-nav { flex-shrink: 0; }
@media (max-width: 1500px) { .top-progress { display: none !important; } }
@media (max-width: 1000px) { .top-nav { flex-shrink: 1; } }

/* =============================================================== v5: glass preto estilo terminal */
.bg-blobs::before { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(190, 255, 220, 0.026) 1px, transparent 1px), linear-gradient(90deg, rgba(190, 255, 220, 0.026) 1px, transparent 1px);
  background-size: 34px 34px; mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 85%); -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 85%); }
html[data-theme="light"] .bg-blobs::before { background-image: linear-gradient(rgba(15, 45, 28, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 45, 28, 0.04) 1px, transparent 1px); }
.blob { opacity: 0.28; }
.blob-2 { opacity: 0.5; }
.glass-panel { backdrop-filter: blur(20px) saturate(1.1); -webkit-backdrop-filter: blur(20px) saturate(1.1); }
.card-title, .nav-section-title, .set-title, .rv-label, .state-title, .sub-title { font-family: var(--mono); letter-spacing: 0.3px; }
.card-title::before { content: '> '; color: var(--accent); font-weight: 700; }
.brand-title { font-family: var(--mono); font-weight: 600; letter-spacing: 1px; }
.brand-icon { background: linear-gradient(135deg, var(--accent), #14a35a); box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.avatar { background: linear-gradient(135deg, #14a35a, var(--accent)); color: var(--on-accent); }
.eyebrow, .crumbs { font-family: var(--mono); }
.top-header h1, .hero h1 { letter-spacing: -0.3px; }
.cm-s-academy .CodeMirror-cursor { border-left: 2px solid var(--accent); }
.editor-card .editor-host { background: rgba(0, 0, 0, 0.25); }
html[data-theme="light"] .editor-card .editor-host { background: rgba(255, 255, 255, 0.5); }
.streak { background: rgba(var(--accent-rgb), 0.12); color: var(--accent); }
.top-nav a.nav-accent { box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35); }
.crumbs .ico { color: var(--accent); }

/* ---------- fluxo de tarefas da lição (estilo SQL Bolt) ---------- */
.task-now { padding: 14px 16px 12px; border-bottom: 1px solid var(--glass-border); background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.09), rgba(var(--accent-rgb), 0.03)); }
.tn-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tn-num { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-family: var(--mono); font-size: 12px; font-weight: 700; flex: none; }
.tn-label { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.6px; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.tn-head .spacer { flex: 1; }
.tn-head .ex-status .ico { width: 12px; height: 12px; vertical-align: -2px; }
.tn-text { font-size: 16.5px; font-weight: 500; line-height: 1.55; margin: 10px 0 12px; color: var(--text); }
.tn-text .task-hl { white-space: normal; }
.task-now .task-tools .tool-btn { padding: 5px 10px; font-size: 12.5px; }
.task-now .hint-area { margin-top: 4px; }
.task-now .expected-box { margin-top: 8px; background: var(--inner); }

.task-progress { height: 3px; background: var(--inner); margin: 0 16px; border-radius: 3px; overflow: hidden; }
.task-progress i { display: block; height: 100%; background: var(--accent); transition: width 0.4s; }
.task-list.numbered li, .task-list.numbered li.current { background: none; border: none; border-radius: 0; }
.task-list.numbered a { align-items: flex-start; gap: 12px; padding: 10px 12px; border-left: 3px solid transparent; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.tnum { width: 22px; height: 22px; border-radius: 50%; flex: none; display: grid; place-items: center; font-family: var(--mono); font-size: 11.5px; font-weight: 700; color: var(--text-muted); border: 1.5px solid var(--text-dim); margin-top: 0; }
.tnum .ico { width: 13px; height: 13px; stroke-width: 3; }
.task-list.numbered li.ts-done .tnum, .task-list.numbered li.ts-help .tnum { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.task-list.numbered li.ts-help .tnum { background: rgba(var(--accent-rgb), 0.45); color: var(--text); }
.task-list.numbered li.ts-tried .tnum { border-color: var(--warn); color: var(--warn); }
.task-list.numbered li.ts-done .task-text, .task-list.numbered li.ts-help .task-text { text-decoration: line-through; text-decoration-color: var(--text-dim); color: var(--text-dim); }
.task-list.numbered li.current a { background: var(--accent-soft); border-left-color: var(--accent); }
.task-list.numbered li.current .task-text { font-weight: 600; color: var(--text); }
.task-list.numbered li.current .tnum { border-color: var(--accent); color: var(--accent); }
.task-list.numbered li.current.ts-done .tnum { color: var(--on-accent); }
.task-list.numbered li.current.ts-help .tnum { color: var(--text); }
.t-here { color: var(--accent); flex: none; display: grid; place-items: center; margin-top: 2px; }
.t-here .ico { width: 16px; height: 16px; }

.banner { position: relative; overflow: hidden; }
.banner-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-wrap: wrap; }
.banner-actions .link-btn { font-size: 12.5px; }
.auto-bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--accent); transform-origin: left; animation: autoBar 2.2s linear forwards; }
@keyframes autoBar { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.banner:not(.auto) .auto-bar { display: none; }

/* ---------- área de trabalho em 3 colunas: tarefas | consulta | resultado ---------- */
.work-grid { display: grid; grid-template-columns: minmax(250px, 0.82fr) minmax(0, 1.25fr) minmax(0, 1.2fr); gap: 16px; align-items: stretch; }
.wg-tasks, .wg-query, .wg-result { min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.wg-tasks .task-card { position: sticky; top: 0; max-height: calc(100vh - 96px); }
.wg-query .editor-card { flex: 1; display: flex; flex-direction: column; }
.wg-query .editor-card .editor-host { flex: 1; }
.wg-query .editor-host .CodeMirror, .wg-query .editor-host .CodeMirror-scroll { min-height: 200px; }
.wg-query .card-footer { flex-wrap: wrap; row-gap: 8px; }
.wg-result .result-card { flex: 1; display: flex; flex-direction: column; }
.wg-result .result-body { flex: 1; max-height: 640px; }
.wg-result .result-body .empty-result { padding: 40px 16px; }
.work-grid .task-now { padding: 12px 14px 10px; }
.work-grid .tn-text { font-size: 15.5px; margin: 8px 0 10px; }
.work-grid .task-list.numbered a { padding: 9px 10px; gap: 10px; font-size: 13px; }
.practice .wg-tasks .task-card { max-height: none; position: static; }
@media (max-width: 1500px) { .work-grid .kbd-hint { display: none; } }

/* ---------- quadro de tabelas ---------- */
.table-board .tb-top { flex-wrap: wrap; gap: 10px 12px; padding: 10px 16px; min-height: 0; }
.tb-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 2px 0; }
.tb-toggle .chev { width: 15px; height: 15px; color: var(--text-muted); transition: transform 0.2s; }
.table-board.closed .tb-toggle .chev { transform: rotate(-90deg); }
.table-board.closed .tb-grid, .table-board.closed .tb-links { display: none; }
.table-board.closed .tb-top { border-bottom: none; }
.tb-picks { display: flex; gap: 6px; flex-wrap: wrap; }
.tb-pick { display: inline-flex; align-items: center; gap: 5px; font-family: var(--mono); font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--glass-border); color: var(--text-muted); background: var(--inner); transition: background 0.15s, color 0.15s; }
.tb-pick:hover { color: var(--text); border-color: var(--accent-line); }
.tb-pick.on { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); font-weight: 600; }
.tb-pick .ico-sm { width: 12px; height: 12px; }
.tb-pick .tab-count { opacity: 0.7; font-weight: 400; }
.tb-tip { white-space: nowrap; }
.table-board .seg { margin-bottom: 0; }
.tb-links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; padding: 7px 16px; font-size: 12.5px; color: var(--text-muted); border-bottom: 1px solid var(--glass-border); background: var(--glass-hi); }
.tb-links .ico-sm { width: 14px; height: 14px; color: var(--accent); }
.tb-link { cursor: default; padding: 1px 4px; border-radius: 5px; }
.tb-link:hover { background: var(--accent-soft); color: var(--text); }
.tb-link code { font-family: var(--mono); font-size: 12px; color: var(--text); }
.tb-grid { display: grid; }
.tb-grid.cols-1 { grid-template-columns: minmax(0, 1fr); }
.tb-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tb-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tb-panel { min-width: 0; display: flex; flex-direction: column; }
.tb-panel + .tb-panel { border-left: 1px solid var(--glass-border); }
.tb-head { display: flex; align-items: center; gap: 8px; padding: 7px 12px; border-bottom: 1px solid var(--glass-border); }
.tb-name { font-family: var(--mono); font-weight: 700; font-size: 13px; color: var(--accent); }
.tb-count { font-size: 11.5px; color: var(--text-dim); }
.tb-head .spacer { flex: 1; }
.tb-head .link-btn { font-size: 11.5px; }
.tb-head .icon-btn { width: 24px; height: 24px; }
.tb-head .icon-btn .ico { width: 14px; height: 14px; }
.tb-body { max-height: 250px; overflow: auto; resize: vertical; min-height: 90px; }
.tb-body .data-table th .tag { margin-left: 5px; font-size: 9px; padding: 0 4px; vertical-align: 1px; }
.tb-body .rel, .tb-body .rel-src { background: rgba(var(--accent-rgb), 0.16) !important; }
.tb-body th.rel, .tb-body th.rel-src { color: var(--accent); }
.tb-body .hov { background: var(--glass-hi); }
.tb-body tr.rel td, .tb-body tr.rel-src td { background: rgba(var(--accent-rgb), 0.16); }

@media (max-width: 1280px) {
  .work-grid { grid-template-columns: minmax(220px, 270px) minmax(0, 1fr); grid-template-areas: "tasks query" "tasks result"; }
  .wg-tasks { grid-area: tasks; } .wg-query { grid-area: query; } .wg-result { grid-area: result; }
  .wg-result .result-body { max-height: 460px; }
}
@media (max-width: 1100px) {
  .tb-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tb-grid.cols-3 .tb-panel:nth-child(3) { grid-column: 1 / -1; border-left: none; border-top: 1px solid var(--glass-border); }
  .tb-tip { display: none; }
}
@media (max-width: 900px) {
  .work-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "query" "result" "tasks"; }
  .wg-tasks .task-card { position: static; max-height: none; }
  .tb-grid.cols-2, .tb-grid.cols-3 { grid-template-columns: minmax(0, 1fr); }
  .tb-panel + .tb-panel { border-left: none; border-top: 1px solid var(--glass-border); }
  .tb-body { max-height: 220px; }
}
.tb-more { font-family: var(--mono); font-size: 12px; padding: 4px 8px; border-radius: 999px; border: 1px dashed var(--glass-border); background: var(--inner); color: var(--text-muted); cursor: pointer; }
.tb-body { max-height: 200px; }
@media (max-width: 1500px) {
  .work-grid .editor-card .toolbar .tool-btn { font-size: 0; gap: 0; padding: 6px 8px; }
  .work-grid .editor-card .toolbar .tool-btn .ico { width: 15px; height: 15px; }
}
.work-grid .editor-card .card-header { flex-wrap: nowrap; }
.table-board .tb-top { flex-wrap: nowrap; align-items: center; }
.table-board .tb-picks { flex: 1 1 auto; min-width: 0; }
.table-board .tb-top .spacer { display: none; }
.table-board .tb-top .seg, .table-board .tb-tip, .tb-toggle { flex: none; }
@media (max-width: 1500px) { .tb-tip { display: none; } }
@media (max-width: 700px) { .table-board .tb-top { flex-wrap: wrap; } }
.work-grid .card-title { white-space: nowrap; }
.practice .wg-tasks .task-card .card-header { flex-wrap: wrap; gap: 6px 8px; }
.practice .wg-tasks .ex-tags { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.work-grid { align-items: start; }
.wg-query .editor-card, .wg-result .result-card { flex: none; }
.wg-query .editor-host .CodeMirror, .wg-query .editor-host .CodeMirror-scroll { min-height: 220px; }
.wg-result .result-body { max-height: calc(100vh - 210px); min-height: 160px; }
.wg-result .banner { flex-wrap: wrap; row-gap: 8px; }

/* ---------- teoria em formato de artigo ---------- */
.theory { max-width: 900px; font-size: 14.5px; line-height: 1.75; padding: 20px 22px 10px; }
.theory > p:first-child { font-size: 15.5px; }
.theory h4 { margin: 26px 0 10px; font-size: 13px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.8px; color: var(--accent); display: flex; align-items: center; gap: 8px; }
.theory h4::before { content: '>'; opacity: 0.6; }
.theory .code-block { margin: 6px 0 14px; }
.theory .code-block pre { font-size: 13.5px; }
.theory .code-try { opacity: 0.75; }
.syntax-block { border: 1px solid var(--accent-line); border-radius: var(--radius-sm); overflow: hidden; background: rgba(var(--accent-rgb), 0.05); }
.syntax-block .cb-label { display: flex; align-items: center; gap: 7px; padding: 6px 12px; font-size: 12px; font-weight: 600; color: var(--accent); background: rgba(var(--accent-rgb), 0.1); border-bottom: 1px solid var(--accent-line); }
.syntax-block .cb-label .ico { width: 14px; height: 14px; }
.syntax-block pre { border: none !important; border-radius: 0 !important; background: transparent !important; }
.theory .md-table { margin: -6px 0 16px; max-width: 100%; overflow-x: auto; }
.theory .md-table table { font-size: 12.5px; }
.callout { display: flex; flex-direction: column; gap: 4px; padding: 11px 14px; font-size: 14px; line-height: 1.6; margin: 4px 0 16px; }
.callout-label { display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; }
.callout-label .ico { width: 14px; height: 14px; }
.callout-tip { background: rgba(var(--accent-rgb), 0.09); border-left-color: var(--accent); }
.callout-tip .callout-label { color: var(--accent); }
.callout-warn { background: rgba(245, 165, 36, 0.09); border-left-color: var(--warn); }
.callout-warn .callout-label { color: var(--warn); }
.callout-note { background: var(--glass-hi); border-left-color: var(--text-dim); }
.callout-note .callout-label { color: var(--text-muted); }

/* ---------- quadro de tabelas: cada tabela em um cartão separado ---------- */
.tb-grid { gap: 14px; padding: 14px; }
.tb-panel { border: 1px solid var(--glass-border); border-radius: var(--radius-sm); overflow: hidden; background: var(--inner); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18); }
.tb-panel + .tb-panel { border-left: 1px solid var(--glass-border); }
.tb-head { background: rgba(var(--accent-rgb), 0.08); border-bottom: 1px solid var(--accent-line); padding: 8px 12px; }
.tb-name::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); margin-right: 8px; vertical-align: 1px; }
@media (max-width: 1100px) {
  .tb-grid.cols-3 .tb-panel:nth-child(3) { border-left: 1px solid var(--glass-border); border-top: 1px solid var(--glass-border); }
}
@media (max-width: 900px) {
  .tb-panel + .tb-panel { border-left: 1px solid var(--glass-border); border-top: 1px solid var(--glass-border); }
  .tb-grid { padding: 10px; gap: 10px; }
}
.theory .md-table table { width: auto; min-width: 40%; }

/* =====================================================================
   Contas: login, cadastro, recuperação, minha conta, planos
   ===================================================================== */
#auth-root { display: none; }
body.auth-mode #auth-root { display: block; position: fixed; inset: 0; overflow-y: auto; z-index: 40; }
body.auth-mode .app-shell { display: none; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--text-muted); }
.field input, .field select { width: 100%; }
.field input:disabled { opacity: 0.65; }
.auth-page { min-height: 100%; display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 500px); gap: 56px; align-items: center; justify-content: center; padding: 48px 24px; }
.auth-card { padding: 34px 32px 26px; border-radius: 8px; }
.auth-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; margin-bottom: 26px; width: auto !important; }
.auth-card h1 { font-size: 26px; letter-spacing: -0.3px; margin-bottom: 6px; }
.auth-sub { color: var(--text-muted); font-size: 14px; margin-bottom: 22px; line-height: 1.55; }
.auth-form { display: grid; gap: 14px; }
.auth-form .field input { padding: 11px 12px; font-size: 14.5px; }
.auth-form .btn-lg { justify-content: center; margin-top: 4px; }
.auth-row { display: flex; justify-content: flex-end; margin-top: -4px; font-size: 13px; }
.auth-row a, .auth-foot a { color: var(--accent); text-decoration: none; font-weight: 600; }
.auth-foot { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--glass-border); font-size: 13.5px; color: var(--text-muted); text-align: center; }
.auth-done .banner { border-radius: var(--radius-sm); margin-bottom: 10px; display: block; line-height: 1.55; }
.auth-side .eyebrow { font-family: var(--mono); color: var(--accent); font-size: 12.5px; letter-spacing: 0.6px; margin-bottom: 12px; }
.auth-side h2 { font-size: 32px; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 20px; }
.auth-side h2 code { font-family: var(--mono); color: var(--accent); }
.auth-side ul { list-style: none; display: grid; gap: 10px; margin-bottom: 24px; }
.auth-side li { padding-left: 22px; position: relative; color: var(--text-muted); line-height: 1.5; }
.auth-side li::before { content: '>'; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); font-weight: 700; }
.auth-side li b { color: var(--text); }
.auth-code { font-family: var(--mono); font-size: 13px; line-height: 1.7; padding: 16px 18px; border-radius: 7px; background: var(--code-bg); border: 1px solid var(--glass-border); color: var(--text); overflow-x: auto; }
.auth-code .k { color: var(--sql-kw); font-weight: 600; }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 40px !important; }
.pw-eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; display: grid; place-items: center; color: var(--text-dim); border-radius: 6px; }
.pw-eye:hover { color: var(--text); background: var(--glass-hi); }
.pw-eye .ico { width: 16px; height: 16px; }
.form-error { padding: 9px 12px; border-radius: var(--radius-sm); background: rgba(247, 90, 104, 0.1); border: 1px solid rgba(247, 90, 104, 0.3); color: var(--danger); font-size: 13px; }
@media (max-width: 900px) {
  .auth-page { grid-template-columns: minmax(0, 460px); padding: 24px 16px; }
  .auth-side { display: none; }
  .auth-card { padding: 26px 20px 20px; }
}

/* menu do usuário */
.topbar { position: relative; }
.user-menu { position: absolute; top: 56px; right: 14px; width: 300px; padding: 8px; border-radius: 8px; z-index: 60; background: var(--modal-bg); box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px; }
.user-menu[hidden] { display: none; }
.um-head { display: flex; gap: 10px; align-items: center; padding: 10px 10px 8px; }
.um-head > div { display: flex; flex-direction: column; min-width: 0; }
.um-head b, .um-head span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.um-plan { margin: 0 10px 8px; padding: 6px 10px; border-radius: 5px; background: var(--inner); font-size: 12px; color: var(--text-muted); }
.um-plan.full { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.um-plan a { color: var(--accent); font-weight: 600; }
.um-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 5px; color: var(--text); text-decoration: none; font-size: 13.5px; width: 100%; text-align: left; cursor: pointer; }
.um-item:hover { background: var(--glass-hi); }
.um-item .ico { width: 16px; height: 16px; color: var(--text-muted); }
.um-toggle .toggle-switch { margin-left: auto; }
.um-logout { border-top: 1px solid var(--glass-border); border-radius: 0 0 8px 8px; margin-top: 4px; padding-top: 11px; color: var(--danger); }
.um-logout .ico { color: var(--danger); }

/* conteúdo bloqueado */
.module-group.locked .mt-text { color: var(--text-muted); }
.mt-count.pro, .chip-pro { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.6px; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line); padding: 1px 6px; border-radius: 5px; }
.lesson-link.locked { color: var(--text-dim) !important; }
.lesson-link.locked .lesson-status { opacity: 0.6; }
.sidebar-cta { display: flex; flex-direction: column; gap: 4px; margin: 14px 10px 10px; padding: 12px 14px; border-radius: 6px; text-decoration: none; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--text); font-size: 12.5px; line-height: 1.45; }
.sidebar-cta b { color: var(--accent); font-size: 13px; }
.sidebar-cta span { color: var(--text-muted); }
.sidebar-cta:hover { background: rgba(var(--accent-rgb), 0.2); }
.module-card.locked { opacity: 0.78; border-style: dashed; }
.module-card.locked:hover { opacity: 1; }

/* planos */
.plans-hero h1 { max-width: 820px; }
.plans-hero p { max-width: 820px; line-height: 1.6; margin-top: 6px; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.plan-card { position: relative; padding: 24px 22px; border-radius: 8px; display: flex; flex-direction: column; gap: 12px; }
.plan-card.featured { border-color: var(--accent-line); box-shadow: 0 0 0 1px var(--accent-line), var(--shadow); }
.plan-flag { position: absolute; top: -11px; right: 18px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; padding: 3px 10px; border-radius: 20px; background: var(--accent); color: var(--on-accent); }
.plan-name { font-size: 14px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }
.plan-price { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; }
.plan-price small { font-size: 14px; font-weight: 500; color: var(--text-muted); margin-left: 4px; }
.plan-feats { list-style: none; display: grid; gap: 8px; font-size: 13.5px; color: var(--text-muted); flex: 1; }
.plan-feats li { display: flex; gap: 8px; align-items: flex-start; }
.plan-feats .ico { width: 15px; height: 15px; color: var(--accent); flex: none; margin-top: 3px; }
.plan-card .btn { justify-content: center; }
.plan-card .btn:disabled { opacity: 0.55; cursor: default; }
.plans-faq h4 { font-size: 14px; margin: 14px 0 4px; }
.plans-faq h4:first-child { margin-top: 0; }
.plans-faq p { color: var(--text-muted); font-size: 13.5px; line-height: 1.6; }
.plans-faq a { color: var(--accent); }
.checkout { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 600px; margin: 0 auto; }
.checkout [hidden] { display: none !important; }
.co-main { display: flex; flex-direction: column; gap: 12px; }
.co-plan { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 14px; border-radius: 6px; background: var(--accent-soft); border: 1px solid var(--accent-line); }
.co-plan span { font-size: 20px; font-weight: 800; }
.co-plan small { font-size: 12px; font-weight: 500; color: var(--text-muted); }
.co-form { display: grid; gap: 10px; }
.co-form .btn-lg { justify-content: center; }
.co-spinner { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 12px; }
.co-spinner .spinner { width: 26px; height: 26px; flex: none; margin: 2px 0 0; }
.co-spinner p { margin-top: 4px; line-height: 1.55; }
.co-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; border-radius: 7px; background: var(--inner); border: 1px solid var(--glass-border); }
.co-tabs button { display: flex; gap: 8px; align-items: center; justify-content: center; padding: 10px; border: 0; border-radius: 6px; background: none; color: var(--text-muted); font: inherit; font-weight: 600; font-size: 13.5px; cursor: pointer; }
.co-tabs button .ico { width: 16px; height: 16px; }
.co-tabs button:hover { color: var(--text); }
.co-tabs button.active { background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-line); }
.co-pane { display: flex; flex-direction: column; gap: 12px; }
.co-pane[hidden] { display: none; }
.co-pane .btn-lg, .card-form .btn-lg { justify-content: center; }
.card-form { display: flex; flex-direction: column; gap: 12px; }
.co-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.co-grid .span2 { grid-column: 1 / -1; }
.co-alt { text-align: center; margin: 0; }
.co-alt a { color: var(--accent); }
.pix-box { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; justify-content: center; }
.pix-qr { width: 196px; height: 196px; flex: none; background: #fff; padding: 8px; border-radius: 7px; image-rendering: pixelated; }
.pix-side { flex: 1; min-width: 220px; display: flex; flex-direction: column; gap: 10px; }
.pix-title { font-size: 17px; }
.pix-steps { padding-left: 18px; display: grid; gap: 4px; }
.pix-code { display: flex; gap: 8px; }
.pix-code input { flex: 1; min-width: 0; font-family: var(--mono, 'Fira Code', monospace); font-size: 12px; padding: 8px 10px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); color: var(--text); }
.co-ok { text-align: center; padding: 18px 0 8px; }
.co-ok h3 { font-size: 20px; margin: 10px 0 4px; }
.co-ok-ico { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--accent); color: var(--on-accent); }
.co-ok-ico .ico { width: 26px; height: 26px; }
.pend-pay { margin: 8px 0 12px; }
.plan-status ~ p, .plan-status ~ .btn { margin-top: 10px; }
@media (max-width: 520px) { .co-grid { grid-template-columns: 1fr; } .pix-qr { width: 100%; height: auto; max-width: 240px; } }

/* minha conta */
.account-head { display: flex; flex-direction: column; gap: 16px; }
.acc-id { display: flex; gap: 16px; align-items: center; }
.avatar-lg { width: 56px; height: 56px; font-size: 22px; }
.acc-id h1 { font-size: 22px; }
.acc-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-top: 1px solid var(--glass-border); padding-top: 12px; }
.acc-tabs a { padding: 7px 14px; border-radius: 5px; text-decoration: none; color: var(--text-muted); font-size: 13.5px; font-weight: 600; }
.acc-tabs a:hover { background: var(--glass-hi); color: var(--text); }
.acc-tabs a.active { background: var(--accent-soft); color: var(--accent); }
.acc-body { display: flex; flex-direction: column; gap: 16px; max-width: 960px; width: 100%; }
.acc-form { display: grid; gap: 12px; max-width: 460px; }
.acc-form .btn { justify-self: start; }
.danger-zone .card-title { color: var(--danger); }
section.danger-zone { padding-top: 0; border-top: 1px solid rgba(247, 90, 104, 0.3); }
.pref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-bottom: 14px; }
.acc-body .check { display: flex; gap: 8px; align-items: center; font-size: 13.5px; margin-bottom: 8px; }
.plan-status { font-size: 14.5px; line-height: 1.6; margin-bottom: 10px; }
.plan-status .ico { width: 16px; height: 16px; color: var(--accent); vertical-align: -3px; }
.acc-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 12px; }
.acc-stats div { padding: 14px; border-radius: 6px; background: var(--inner); border: 1px solid var(--glass-border); display: flex; flex-direction: column; }
.acc-stats b { font-size: 24px; }
.acc-stats span { color: var(--text-muted); font-size: 12.5px; }
.acc-body .section-title { margin: 8px 0 0; }
.um-toggle .toggle-switch { padding: 0; background: none; border: 0; }


/* =====================================================================
   Syntax Drill v6: preto laqueado (piano), chuva de 0 e 1 e modo visitante
   ===================================================================== */

/* Laca: um brilho fino na borda de cima de cada painel e uma sombra funda, como o tampo de um piano.
   É só uma faixa de 90px, então painéis cheios de informação continuam limpos. */
.glass-panel {
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0) 90px);
  background-repeat: no-repeat;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.075), 0 1px 0 rgba(0, 0, 0, 0.5);
}
html[data-theme="light"] .glass-panel {
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0) 90px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 1px 2px rgba(15, 45, 28, 0.05);
}
.user-menu, .modal, .auth-card { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow); }
html[data-theme="light"] .user-menu, html[data-theme="light"] .modal, html[data-theme="light"] .auth-card { box-shadow: var(--shadow); }

/* Chuva de 0 e 1: fica atrás de tudo, some perto do rodapé e quase não aparece sob os painéis (que têm vidro fosco). */
.matrix-rain {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.2; pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
}
html[data-theme="light"] .matrix-rain { opacity: 0.11; }
@media (max-width: 700px) { .matrix-rain { opacity: 0.13; } }
@media print { .bg-blobs { display: none; } }

/* Marca */
.brand-title::after { content: '_'; color: var(--accent); margin-left: 1px; }
.brand-icon svg { width: 21px; height: 21px; }
.auth-brand .brand-title { font-size: 16px; }

/* Visitante: botão no topo, aviso na página inicial e saída das telas de acesso */
.guest-cta { flex-shrink: 0; }
.guest-note { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 8px 14px; border-radius: var(--radius-sm); border: 1px dashed var(--accent-line); background: var(--accent-soft); font-family: var(--mono); font-size: 12px; color: var(--text-muted); }
.guest-note a { color: var(--accent); font-weight: 600; text-decoration: none; white-space: nowrap; }
.guest-note a:hover { text-decoration: underline; }
.um-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0 10px 8px; }
.um-cta .btn { justify-content: center; }
.auth-skip { display: block; margin-top: 12px; text-align: center; font-size: 13px; color: var(--text-muted); text-decoration: none; }
.auth-skip:hover { color: var(--accent); }
.plans-guest { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.plans-guest .link-btn { margin-left: 4px; }
@media (max-width: 700px) { .guest-cta { display: none; } }

/* Foco visível em teclado (verde) */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline-offset: 0; }

@media (prefers-reduced-motion: reduce) { .matrix-rain { opacity: 0.1; } }

.auth-brand { padding-left: 0 !important; }

/* =====================================================================
   Linguagens (seletor, painel de níveis) e administração
   ===================================================================== */
.lang-switch { position: relative; flex-shrink: 0; }
.lang-btn { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); font-size: 13px; font-weight: 600; }
.lang-btn:hover { border-color: var(--accent-line); }
.lang-btn .ico { width: 15px; height: 15px; color: var(--accent); }
.lang-btn .ico:last-child { width: 13px; height: 13px; color: var(--text-dim); }
.lang-lv { font-family: var(--mono); font-size: 10.5px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 1px 6px; border-radius: 20px; }
.lang-menu { position: absolute; top: 44px; left: 0; width: 330px; padding: 8px; border-radius: 8px; z-index: 60; background: var(--modal-bg); box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 4px; }
.lang-menu[hidden] { display: none; }
.lm-overall { padding: 10px 10px 12px; border-bottom: 1px solid var(--glass-border); margin-bottom: 4px; display: flex; flex-direction: column; gap: 8px; }
.lm-overall b { display: block; font-size: 13.5px; }
.lm-item { display: flex; align-items: flex-start; gap: 10px; width: 100%; text-align: left; padding: 9px 10px; border-radius: 6px; border: 1px solid transparent; }
.lm-item:hover { background: var(--glass-hi); }
.lm-item.current { background: var(--accent-soft); border-color: var(--accent-line); }
.lm-ico { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 5px; background: var(--inner); color: var(--accent); flex: none; }
.lm-ico .ico { width: 16px; height: 16px; }
.lm-main { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.lm-main b { font-size: 13.5px; margin-right: 6px; }
.lm-check .ico { width: 16px; height: 16px; color: var(--accent); }
.chip-warn { background: rgba(245, 165, 36, 0.14); color: var(--warn); }
@media (max-width: 1250px) { .lang-lv { display: none; } }
@media (max-width: 800px) { .lang-name { display: none; } .lang-menu { left: auto; right: -80px; width: min(330px, 92vw); } }

/* linguagem sem conteúdo ainda */
.sidebar-soon { display: flex; flex-direction: column; gap: 6px; margin: 14px 10px; padding: 14px; border-radius: 6px; border: 1px dashed var(--accent-line); background: var(--accent-soft); font-size: 12.5px; color: var(--text-muted); }
.sidebar-soon b { color: var(--accent); font-size: 13px; }

/* painel de níveis */
.lb-overall { display: flex; align-items: center; gap: 18px; padding-bottom: 16px; margin-bottom: 14px; border-bottom: 1px solid var(--glass-border); }
.lb-overall .lb-main { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.lb-rows { display: grid; gap: 4px; }
.lb-row { display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: 6px; border: 1px solid transparent; }
.lb-row.current { background: var(--accent-soft); border-color: var(--accent-line); }
.lb-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 6px; background: var(--inner); color: var(--accent); flex: none; }
.lb-ico .ico { width: 17px; height: 17px; }
.lb-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.lb-top { display: flex; align-items: center; gap: 8px; }
.lb-lv, .lb-n { display: flex; flex-direction: column; align-items: center; min-width: 58px; line-height: 1.1; }
.lb-lv b { font-size: 22px; font-family: var(--mono); color: var(--accent); }
.lb-lv.big b { font-size: 38px; }
.lb-n b { font-size: 17px; }
.lb-lv span, .lb-n span { font-size: 11px; color: var(--text-muted); }
@media (max-width: 700px) { .lb-n { display: none; } }

/* administração */
.admin .adm-body { display: flex; flex-direction: column; gap: 16px; }
.adm-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.kpi { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border-radius: 7px; background: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06); }
.kpi-l { font-size: 12.5px; color: var(--text-muted); font-weight: 600; }
.kpi-v { font-size: 28px; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; }
.kpi-s { font-size: 12px; color: var(--text-dim); }
.kpi.good .kpi-v { color: var(--accent); }
.kpi.bad .kpi-v { color: var(--danger); }
.adm-two { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.adm-chart { width: 100%; height: auto; display: block; }
.adm-chart rect { fill: var(--hl-bg); }
.adm-chart rect.on { fill: var(--accent); opacity: 0.85; }
.adm-chart rect:hover { opacity: 1; }
.adm-chart text { fill: var(--text-dim); font-size: 11px; font-family: var(--mono); }
.adm-toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.adm-toolbar input, .adm-toolbar select { padding: 8px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); outline: none; }
.adm-toolbar input { flex: 1; min-width: 220px; }
.adm-toolbar input:focus, .adm-toolbar select:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.adm-count { margin-left: auto; }
.adm-open { cursor: pointer; }
.adm-open:hover td { background: var(--glass-hi); }
.adm-pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 12px; }
.adm-form { display: grid; gap: 12px; }
.adm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.adm-quick { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.adm-h { margin: 20px 0 8px; font-family: var(--mono); font-size: 12.5px; color: var(--text-muted); }
.adm-h::before { content: '> '; color: var(--accent); }
.adm-dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 13px; }
.adm-dl dt { color: var(--text-muted); }
.adm-list { list-style: none; display: grid; gap: 6px; font-size: 13px; }
.adm-actions { flex-wrap: wrap; }
@media (max-width: 600px) { .adm-grid { grid-template-columns: 1fr; } }

/* topo: com o seletor de linguagem, notebooks de 1440px estouravam a barra */
@media (max-width: 1560px) {
  .top-nav a:not(.active):not(.nav-accent) span { display: none; }
  .top-nav a { padding: 7px 10px; }
}
.top-search { min-width: 130px !important; }
.topbar { min-width: 0; }
.account-head { align-items: stretch; }
.admin .banner { display: block; line-height: 1.8; border-radius: var(--radius-sm); border: 1px solid rgba(245, 165, 36, 0.3); }
.admin .banner code { background: var(--hl-bg); padding: 1px 6px; border-radius: 5px; }

/* escolha de linguagens */
.lang-pick { display: flex; flex-direction: column; gap: 14px; }
.lp-list { display: grid; gap: 8px; }
.lp-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px; border-radius: 6px; border: 1px solid var(--glass-border); background: var(--inner); cursor: pointer; }
.lp-item:hover { border-color: var(--accent-line); }
.lp-item:has(input:checked) { background: var(--accent-soft); border-color: var(--accent-line); }
.lp-item input { margin-top: 10px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.lp-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 6px; background: var(--inner); color: var(--accent); flex: none; }
.lp-ico .ico { width: 17px; height: 17px; }
.lp-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.lp-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 12px; }
.lb-foot { margin-top: 12px; }
.lm-manage { display: flex; align-items: center; gap: 8px; width: 100%; margin-top: 4px; padding: 9px 10px; border-top: 1px solid var(--glass-border); border-radius: 0 0 9px 9px; font-size: 13px; color: var(--text-muted); text-align: left; }
.lm-manage:hover { color: var(--text); background: var(--glass-hi); }
.lm-manage .ico { width: 15px; height: 15px; }
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* o botão de linguagem tem sempre a mesma largura: o topo fica idêntico em SQL, Python, JavaScript... */
.lang-btn { min-width: 176px; }
.lang-btn .ico:last-child { margin-left: auto; }
.lang-btn .lang-name { flex: 0 0 auto; }
@media (max-width: 1250px) { .lang-btn { min-width: 0; } .lang-btn .lang-name { min-width: 0; } }
@media (max-width: 800px) { .lang-btn { min-width: 0; } }
.lp-main .chip, .lm-main .chip { align-self: flex-start; display: inline-block; }
.lp-main b { display: inline; }
.lp-main > span:not(.chip) { display: block; }
.lp-main { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 2px 8px; }
.lp-main .muted { flex-basis: 100%; }

/* pré-requisitos */
.chip-concept { background: var(--accent-soft); color: var(--accent); font-family: var(--mono); font-size: 10.5px; }
.task-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.mod-checks .is-off { opacity: 0.55; }

/* foco e revisão em cada tarefa */
.tn-concepts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
.tnc-label { font-family: var(--mono); font-size: 10.5px; color: var(--text-dim); margin-right: 2px; }
.tnc-label:not(:first-child) { margin-left: 8px; }
.chip-review { background: var(--hl-bg); color: var(--text-muted); font-family: var(--mono); font-size: 10.5px; }

/* administração: exercícios */
.adm-ex-sum .kpi-v { font-size: 24px; }
.adm-ex-tools select { max-width: 260px; }
.adm-ex-table td { vertical-align: top; }
.adm-ex-table .ex-cell { max-width: 520px; }
.adm-ex-table .ex-t { line-height: 1.45; }
.adm-ex-table .ex-sql { display: block; margin-top: 4px; font-size: 11.5px; color: var(--text-muted); white-space: normal; word-break: break-word; }
.adm-ex-table .ex-req { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.adm-ex-table tr.is-off td { opacity: 0.55; }
.adm-ex-table th.ord, .adm-ex-table td.ord { width: 62px; white-space: nowrap; }
.adm-ex-table .mv { width: 24px; height: 24px; font-size: 10px; }
.adm-ex-table .mv:disabled { opacity: 0.25; cursor: default; }
.ex-acts { white-space: nowrap; }
.adm-ex textarea { width: 100%; resize: vertical; padding: 9px 11px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); outline: none; line-height: 1.5; }
.adm-ex textarea:focus, .adm-ex select:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.adm-ex select { width: 100%; padding: 9px 10px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); }
.adm-ex [hidden] { display: none !important; }
.adm-adv { border: 1px dashed var(--glass-border); border-radius: 5px; padding: 8px 12px; display: grid; gap: 10px; }
.adm-adv summary { cursor: pointer; font-weight: 600; font-size: 13px; color: var(--text-muted); }
.adm-checks { display: flex; gap: 18px; flex-wrap: wrap; }
.ex-check { display: grid; gap: 8px; padding: 12px; border-radius: 6px; background: var(--inner); border: 1px solid var(--glass-border); min-height: 52px; }
.ex-check.busy { opacity: 0.6; }
.ex-ok { color: var(--accent); font-weight: 600; font-size: 13px; }
.ex-ok .ico { width: 15px; height: 15px; vertical-align: -2px; }
.ex-preview { max-height: 180px; overflow: auto; }
.ex-reqs { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.banner-err { background: rgba(247, 90, 104, 0.1); color: var(--danger); border-color: rgba(247, 90, 104, 0.3); }
.admin .banner-err, .ex-check .banner { display: block; border-radius: var(--radius-sm); border: 1px solid; padding: 8px 12px; font-size: 13px; line-height: 1.5; }
.ex-check .banner-warn { border-color: rgba(245, 165, 36, 0.3); }

.adm-ex-table td { white-space: normal; overflow-wrap: anywhere; }
.adm-ex-table th:nth-child(2) { width: 46%; }
.adm-ex-table td:nth-child(3) { min-width: 170px; }

/* administração: bancos de dados */
.adm-ds { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 1000px) { .adm-ds { grid-template-columns: 1fr; } }
.adm-ds-side .card-body { display: grid; gap: 10px; }
.dsa-list { display: grid; gap: 4px; }
.dsa-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 6px; border: 1px solid transparent; text-align: left; flex-wrap: wrap; }
.dsa-item:hover { background: var(--glass-hi); }
.dsa-item.on { background: var(--accent-soft); border-color: var(--accent-line); }
.dsa-ico { font-size: 20px; width: 30px; text-align: center; }
.dsa-ico.big { font-size: 30px; width: auto; }
.dsa-txt { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.dsa-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.dsa-head-t { flex: 1; min-width: 200px; }
.dsa-head-t h2 { font-size: 20px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dsa-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.dsa-tab { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); font-family: var(--mono); font-size: 12.5px; }
.dsa-tab.on { border-color: var(--accent-line); background: var(--accent-soft); color: var(--accent); }
.dsa-toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.dsa-grid-wrap { max-height: 520px; overflow: auto; }
.dsa-grid th { vertical-align: top; white-space: nowrap; }
.dsa-col { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.dsa-colmeta { display: flex; gap: 4px; align-items: center; margin-top: 2px; }
.dsa-colmenu { width: 22px; height: 22px; font-size: 14px; }
.dsa-act { width: 62px; white-space: nowrap; }
.dsa-act .icon-btn { width: 26px; height: 26px; font-size: 13px; }
.dsa-grid td { white-space: nowrap; max-width: 280px; overflow: hidden; text-overflow: ellipsis; }
.row-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.row-f { display: grid; gap: 4px; }
.row-f input.r-v { width: 100%; padding: 8px 10px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); outline: none; }
.row-f input.r-v:disabled { opacity: 0.5; }
.field-l { font-size: 12.5px; font-weight: 600; color: var(--text-muted); }
.nt-table input:not([type=checkbox]), .nt-table select { width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--glass-border); background: var(--inner); }
.nt-table td.ck { text-align: center; }
.sql-box { width: 100%; padding: 10px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); outline: none; resize: vertical; }
.imp-list { max-height: 230px; overflow: auto; padding-left: 4px; }
.imp-list.bad li { border-left: 3px solid var(--danger); padding-left: 8px; }
.imp-list.warn li { border-left: 3px solid var(--warn); padding-left: 8px; }
.ex-status-line { font-size: 13px; }
.ex-tables .tb-pick { display: grid; gap: 8px; padding: 10px 12px; border: 1px solid var(--glass-border); border-radius: 5px; background: var(--inner); max-height: 240px; overflow: auto; }
.tb-items { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 2px; }
.tb-item { font-family: var(--mono); font-size: 12px; }
.tb-suggest { min-height: 18px; }
.adm-ex [hidden], .adm-form [hidden] { display: none !important; }

/* idioma da interface (EN | PT) */
/* idioma da interface: duas bandeiras, na ponta direita do menu */
.ui-lang { display: inline-flex; align-items: center; gap: 4px; flex: 0 0 auto; margin-left: 2px; }
.ui-flag { width: 34px; height: 28px; padding: 0; display: grid; place-items: center; border-radius: 6px; border: 1px solid transparent; background: transparent; opacity: 0.5; filter: saturate(0.65); transition: opacity 0.15s, filter 0.15s, background 0.15s, border-color 0.15s; cursor: pointer; font-size: 0; }
.ui-flag svg { width: 24px; height: 17px; display: block; border-radius: 3px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16), 0 1px 3px rgba(0, 0, 0, 0.5); }
.ui-flag:hover { opacity: 1; filter: none; background: var(--glass-hi); }
.ui-flag.on { opacity: 1; filter: none; background: var(--accent-soft); border-color: var(--accent-line); cursor: default; }
.ui-flag:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 560px) { .ui-flag { width: 28px; height: 26px; } .ui-flag svg { width: 20px; height: 14px; } .ui-lang { gap: 2px; } }

/* pagamento: comemoração, caixa de código e aviso de teste */
.confetti-rain { position: fixed; inset: 0; pointer-events: none; z-index: 10000; overflow: hidden; }
.confetti-rain i { position: absolute; top: -24px; opacity: 0; animation: cfall var(--fall) var(--delay) cubic-bezier(.3,.1,.6,1) forwards; }
@keyframes cfall { 0% { opacity: 1; transform: translate(0, 0) rotate(0); } 100% { opacity: 0.95; transform: translate(var(--sway), 108vh) rotate(var(--rot)); } }
.modal-head h3:empty { display: none; }
.modal-head:has(h3:empty) { justify-content: flex-end; }
.paid-celebrate { text-align: center; display: grid; gap: 14px; justify-items: center; padding: 6px 8px 10px; }
.paid-celebrate h2 { font-size: 26px; margin: 0; }
.pc-badge { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); animation: pcpop .55s cubic-bezier(.2,1.4,.4,1) both; }
.pc-badge .ico, .pc-badge svg { width: 38px; height: 38px; }
@keyframes pcpop { from { transform: scale(0.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.pc-lead { margin: 0; font-size: 16px; color: var(--text-muted); }
.pc-list { list-style: none; padding: 0; margin: 4px 0 8px; display: grid; gap: 8px; text-align: left; }
.pc-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.pc-list .ico { color: var(--accent); flex: none; margin-top: 2px; }
.redeem-box { margin-top: 16px; }
.redeem-box h3 { display: flex; gap: 8px; align-items: center; font-size: 16px; margin: 0 0 4px; }
.redeem-form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.redeem-input { flex: 1; min-width: 200px; padding: 11px 14px; border-radius: 6px; border: 1px solid var(--glass-border); background: var(--inner); font-family: var(--mono); letter-spacing: 1.5px; text-transform: uppercase; outline: none; }
.redeem-input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.test-banner { margin-bottom: 12px; display: block; border-radius: var(--radius-sm); padding: 9px 12px; font-size: 13px; border: 1px solid rgba(245, 165, 36, 0.4); }
.test-note { text-align: center; color: var(--warn); }

/* administração: cobrança e códigos */
.bill-mode.is-test { border-color: rgba(245, 165, 36, 0.45); }
.bill-mode.is-live { border-color: var(--accent-line); }
.bill-mode-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.bill-mode-head h2 { margin: 2px 0 0; font-size: 22px; }
.bill-warn { color: var(--warn); }
.bill-key { padding: 12px 0; border-top: 1px solid var(--glass-border); display: grid; gap: 8px; }
.bill-key-t { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bill-key-f { display: flex; gap: 8px; flex-wrap: wrap; }
.bill-key-f .key-in { flex: 1; min-width: 240px; padding: 9px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); font-family: var(--mono); }
.bill-copy { display: flex; gap: 8px; }
.bill-copy input { flex: 1; padding: 9px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); font-family: var(--mono); }
.testers { width: 100%; padding: 9px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); font-family: var(--mono); margin-bottom: 8px; }
.code-form .quick { display: flex; gap: 6px; margin-top: 4px; }
.code-form .quick .chip { cursor: pointer; border: 1px solid var(--glass-border); }
.code-form input, .code-form select, .code-form textarea, .adm-form input[type=date] { width: 100%; padding: 9px 12px; border-radius: 5px; border: 1px solid var(--glass-border); background: var(--inner); }
.code-made { margin-top: 14px; padding: 12px; border: 1px dashed var(--accent-line); border-radius: 6px; background: var(--accent-soft); }
.code-made-h { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.code-grid { display: flex; flex-wrap: wrap; gap: 8px; max-height: 220px; overflow: auto; }
.code-pill { font-family: var(--mono); letter-spacing: 1px; padding: 3px 8px; border-radius: 6px; background: var(--inner); border: 1px solid var(--glass-border); }
.adm-form [hidden] { display: none !important; }

.adm-table td.code-acts { display: flex; gap: 6px; flex-wrap: wrap; min-width: 210px; }

/* =============================================================== v6: glassmorphism preto-piano (só o tema escuro)
   Preto mais preto, vidro um pouco mais transparente e com borda mais nítida, e os efeitos verdes difusos
   (manchas de fundo, brilho do início, sombras luminosas dos botões verdes) 15% mais fracos. */
html[data-theme="dark"] {
  --bg: #010302;
  --glass-bg: rgba(4, 7, 5, 0.58);
  --glass-strong: rgba(2, 4, 3, 0.86);
  --glass-border: rgba(200, 255, 225, 0.105);
  --glass-hi: rgba(200, 255, 225, 0.045);
  --inner: rgba(0, 0, 0, 0.5);
  --code-bg: rgba(0, 0, 0, 0.58);
  --modal-bg: rgba(3, 5, 4, 0.94);
  --th-bg: #040605;
  --shadow: 0 14px 42px rgba(0, 0, 0, 0.72);
}
html[data-theme="dark"] .glass-panel {
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.036), rgba(255, 255, 255, 0) 38%);   /* brilho de laca no topo */
  border-top-color: rgba(225, 255, 238, 0.16);
}
/* efeitos verdes difusos: 15% mais fracos (0,28 -> 0,238; 0,5 -> 0,425; 0,16 -> 0,136) */
html[data-theme="dark"] .blob { opacity: 0.238; }
html[data-theme="dark"] .blob-2 { opacity: 0.425; }
html[data-theme="dark"] .blob-3 { opacity: 0.136; }
html[data-theme="dark"] .hero::after { background: radial-gradient(circle, rgba(var(--accent-rgb), 0.11), transparent 70%); }
html[data-theme="dark"] .btn-primary { box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.255); }
html[data-theme="dark"] .btn-primary:hover { box-shadow: 0 4px 18px rgba(var(--accent-rgb), 0.383); }
html[data-theme="dark"] .top-nav a.nav-accent { box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.298); }
html[data-theme="dark"] .brand-icon { box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.298), inset 0 1px 0 rgba(255, 255, 255, 0.35); }

/* manutenção: tela cheia para quem não é da equipe, e faixa para quem é */
body.is-maint #sidebar, body.is-maint #sidebar-open, body.is-maint #top-nav, body.is-maint #lang-switch, body.is-maint .top-search, body.is-maint .top-progress,
body.is-maint #streak, body.is-maint #profile-btn, body.is-maint #user-menu, body.is-maint .guest-cta, body.is-maint .guest-banner { display: none !important; }
body.is-maint .topbar { justify-content: space-between; }
.maint-page { min-height: 100%; display: grid; place-items: center; padding: 48px 20px; }
.maint-card { max-width: 580px; width: 100%; padding: 40px 34px; border-radius: 20px; text-align: center; display: grid; gap: 14px; justify-items: center; box-shadow: var(--shadow); }
.maint-card h1 { font-size: 30px; letter-spacing: -0.5px; }
.maint-ico { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); }
.maint-ico svg, .maint-ico .ico { width: 36px; height: 36px; animation: maintspin 9s linear infinite; }
@keyframes maintspin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .maint-ico svg, .maint-ico .ico { animation: none; } }
.maint-msg { font-size: 17px; line-height: 1.55; max-width: 46ch; white-space: pre-line; }
.maint-actions { margin-top: 6px; }
.maint-lang { display: flex; gap: 6px; margin-top: 4px; }
.maint-lang button { padding: 5px 12px; border-radius: 5px; border: 1px solid var(--glass-border); font-family: var(--mono); font-size: 12px; color: var(--text-muted); }
.maint-lang button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }
.maint-banner { display: flex; gap: 8px; align-items: center; justify-content: center; flex-wrap: wrap; padding: 6px 14px; background: rgba(245, 165, 36, 0.13); border-bottom: 1px solid rgba(245, 165, 36, 0.4); color: var(--warn); font-size: 12.5px; position: relative; z-index: 30; }
.maint-banner a { color: inherit; font-weight: 700; text-decoration: underline; }
.maint-banner .ico, .maint-banner svg { width: 14px; height: 14px; }
.maint-list { padding-left: 18px; display: grid; gap: 4px; margin-top: 8px; }

/* =============================================================== v7: vidro de verdade (menos "fofo", mais glass)
   Painéis bem mais transparentes, desfoque pequeno (a chuva de 0/1 aparece por trás do vidro), reflexo diagonal no lugar
   do brilho macio, cantos mais retos (ver --radius) e a chuva mais presente. Só o tema escuro, exceto os cantos.
   Para ajustar: --glass-blur (0 = vidro liso; 8px = vidro bem fosco), --rain-opacity (brilho da chuva) e --glass-bg (alfa do painel). */
html[data-theme="dark"] {
  --glass-blur: 3px;
  --rain-opacity: 0.56;
  --glass-bg: rgba(4, 7, 5, 0.26);
  --glass-strong: rgba(2, 4, 3, 0.74);
  --glass-border: rgba(210, 255, 230, 0.15);
  --glass-hi: rgba(210, 255, 230, 0.05);
  --inner: rgba(0, 0, 0, 0.34);
  --code-bg: rgba(0, 0, 0, 0.5);
  --modal-bg: rgba(3, 5, 4, 0.82);
  --th-bg: rgba(3, 5, 4, 0.72);
}
html[data-theme="dark"] .glass-panel {
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4) brightness(0.96);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4) brightness(0.96);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.055) 0%, rgba(255, 255, 255, 0.014) 36%, rgba(255, 255, 255, 0) 62%);   /* reflexo diagonal de vidro */
  border-top-color: rgba(235, 255, 245, 0.26);
  border-left-color: rgba(235, 255, 245, 0.18);
}
html[data-theme="light"] { --glass-bg: rgba(255, 255, 255, 0.5); --glass-strong: rgba(255, 255, 255, 0.8); }
html[data-theme="light"] .glass-panel { backdrop-filter: blur(10px) saturate(1.2); -webkit-backdrop-filter: blur(10px) saturate(1.2); }
.matrix-rain {
  opacity: var(--rain-opacity, 0.3);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.85) 55%, rgba(0, 0, 0, 0.55) 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.85) 55%, rgba(0, 0, 0, 0.55) 100%);
}
html[data-theme="light"] .matrix-rain { opacity: 0.14; }
.maint-card { border-radius: 10px; }

/* =============================================================== v8: o menu superior cabe em qualquer largura
   Antes ele passava da tela entre 1000 e 1366px (o corte caía sobre o perfil). Agora, conforme a tela estreita, vai cedendo
   o que menos faz falta, nesta ordem: texto do menu (vira ícone com dica), nome ao lado do perfil e sequência de dias. */
@media (max-width: 1400px) { .top-nav a span { display: none; } .top-nav a { padding-left: 11px; padding-right: 11px; } }
@media (max-width: 1200px) { .profile-info { display: none !important; } .profile { padding-right: 4px; } }
@media (max-width: 1100px) { .streak { display: none; } }
@media (max-width: 1100px) { .top-search { min-width: 0 !important; } .top-search input { min-width: 0; } }

/* planos: indisponível fica à mostra, "meio apagado", e o subtítulo opcional */
.plan-card.is-off { opacity: 0.42; filter: grayscale(0.55) saturate(0.7); position: relative; }
.plan-card.is-off .btn { cursor: not-allowed; }
.plan-card.is-off::after { content: ''; position: absolute; inset: 0; border-radius: inherit; background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(255, 255, 255, 0.025) 14px 15px); pointer-events: none; }
.plan-tagline { font-size: 13px; color: var(--text-muted); margin: -2px 0 4px; line-height: 1.4; }

/* administração: editor de planos */
.plan-ed-list { display: grid; gap: 12px; margin: 12px 0; }
.plan-ed { border: 1px solid var(--glass-border); border-radius: 8px; background: var(--inner); }
.plan-ed-head { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; padding: 12px 14px; }
.plan-ed-title { flex: 1 1 220px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pe-price-f { width: 130px; margin: 0; }
.pe-price-f input { width: 100%; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--glass-border); background: var(--inner); }
.plan-ed-body { border-top: 1px solid var(--glass-border); padding: 14px; }
.plan-ed-cols { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(250px, 0.9fr); gap: 18px; align-items: start; }
@media (max-width: 1000px) { .plan-ed-cols { grid-template-columns: 1fr; } }
.plan-ed-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1200px) { .plan-ed-form { grid-template-columns: 1fr; } }
.pe-lang { border: 1px solid var(--glass-border); border-radius: 6px; padding: 8px 12px 12px; display: grid; gap: 8px; min-width: 0; }
.pe-lang legend { padding: 0 6px; font: 700 11px var(--mono); color: var(--accent); text-transform: uppercase; }
.pe-lang input, .pe-lang textarea { width: 100%; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--glass-border); background: var(--inner); }
.pe-lang input::placeholder, .pe-lang textarea::placeholder { color: var(--text-dim); }
.plan-ed-preview-col { display: grid; gap: 10px; position: sticky; top: 8px; }
.pe-prev-lang { display: flex; gap: 6px; }
.pe-prev-lang button { padding: 3px 10px; border-radius: 6px; border: 1px solid var(--glass-border); font: 700 11px var(--mono); color: var(--text-muted); }
.pe-prev-lang button.on { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }
.pe-preview .plan-card { max-width: 340px; margin: 0; }
.pe-preview .plan-card.is-hidden { border-style: dashed; opacity: 0.55; }
.pe-hidden-note { margin: 6px 0 0; }