/* ==========================================================================
   Códice — hoja de estilos
   Identidad inspirada en los códices mesoamericanos: azul maya, grana
   cochinilla, ocre y jade sobre papel blanco; la greca escalonada
   (xicalcoliuhqui) como único motivo decorativo.
   ========================================================================== */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  /* Pigmentos */
  --maya-900: #0E3B47;
  --maya-800: #124A58;
  --maya: #1F7A8C;
  --maya-soft: #DCEEF1;
  --grana: #B3203A;
  --grana-soft: #FBE7EA;
  --ocre: #D99A1E;
  --ocre-ink: #8A5A00;
  --ocre-soft: #FCF1D9;
  --jade: #1C7C54;
  --jade-soft: #DDF3E8;

  /* Superficies y tinta */
  --bg: #F4F6F6;
  --surface: #FFFFFF;
  --surface-2: #EEF2F2;
  --ink: #1B2430;
  --ink-soft: #4C5966;
  --line: #DCE2E3;
  --line-strong: #C3CDCF;

  /* Editor (siempre oscuro) */
  --code-bg: #0A2A33;
  --code-line: #16414D;
  --code-ink: #E3EEF0;
  --code-muted: #7FA3AD;
  --tok-kw: #F2C14E;
  --tok-str: #8FD9B6;
  --tok-num: #F59AAB;
  --tok-fn: #8CC8F2;
  --tok-com: #6E939D;

  --primary: var(--maya);
  --primary-ink: #FFFFFF;
  --focus: #F2C14E;

  --font: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --r-sm: 8px;
  --r: 12px;
  --r-lg: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --maya: #4FB3C4;
    --maya-soft: #123A44;
    --grana: #EE6A7F;
    --grana-soft: #3A1820;
    --ocre: #EDB548;
    --ocre-ink: #F2C976;
    --ocre-soft: #352A12;
    --jade: #49C08B;
    --jade-soft: #123527;

    --bg: #0B1B21;
    --surface: #10252D;
    --surface-2: #153039;
    --ink: #E6EEF0;
    --ink-soft: #9BB0B6;
    --line: #1F3C46;
    --line-strong: #2C5260;

    --code-bg: #071A20;
    --code-line: #133640;

    --primary: #4FB3C4;
    --primary-ink: #04161B;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-optical-sizing: auto;
}
a { color: var(--maya); text-underline-offset: 3px; }
a:hover { color: var(--maya-800); }
@media (prefers-color-scheme: dark) { a:hover { color: #7FD0DD; } }
h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 .5rem; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
h4 { font-size: 1rem; letter-spacing: 0; }
p { margin: 0 0 .75rem; }
code, pre, kbd { font-family: var(--mono); font-size: .88em; }
kbd { border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 5px; padding: 0 5px; font-size: .78em; }
::selection { background: var(--ocre); color: #1B1300; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.main { flex: 1; padding-top: 32px; padding-bottom: 56px; }
.muted { color: var(--ink-soft); }
.small { font-size: .875rem; }
.center { text-align: center; }
.strong { font-weight: 600; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* ---------- Barra superior ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: -0.03em; }
.brand:hover { color: var(--ink); }
.brand svg { width: 32px; height: 32px; flex: none; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav form { margin: 0; }
.nav-link { color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 8px 12px; border-radius: var(--r-sm); }
.nav-link:hover, .nav-link.active { color: var(--ink); background: var(--surface-2); }
.nav-user { color: var(--ink-soft); font-size: .9rem; padding: 0 8px; }
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; background: var(--maya-soft); color: var(--maya); font-size: .78rem; font-weight: 700; }
.streak-chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; background: var(--ocre-soft); color: var(--ocre-ink); font-weight: 700; font-size: .85rem; text-decoration: none; }
.streak-chip:hover { color: var(--ocre-ink); }
@media (max-width: 720px) { .nav-user, .nav .hide-sm { display: none; } }

/* Tema "público" (landing, estado, novedades): barra sobre azul maya */
.theme-landing .topbar { background: var(--maya-900); border-bottom-color: rgba(255,255,255,.08); position: static; }
.theme-landing .topbar .brand, .theme-landing .topbar .brand:hover { color: #F4F7F6; }
.theme-landing .nav-link { color: #BFD6DB; }
.theme-landing .nav-link:hover { color: #FFFFFF; background: rgba(255,255,255,.08); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 650; font-size: .95rem; line-height: 1.2; cursor: pointer; text-decoration: none;
  transition: background-color .15s, border-color .15s, color .15s, transform .08s;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:hover:not(:disabled) { background: var(--maya-800); color: #fff; }
@media (prefers-color-scheme: dark) { .btn-primary:hover:not(:disabled) { background: #7FD0DD; color: var(--primary-ink); } }
.btn-ocre { background: var(--ocre); color: #241800; }
.btn-ocre:hover:not(:disabled) { background: #E8AE3A; color: #241800; }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover:not(:disabled) { border-color: var(--ink-soft); background: var(--surface-2); color: var(--ink); }
.btn-on-dark { background: transparent; border-color: rgba(255,255,255,.35); color: #F4F7F6; }
.btn-on-dark:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-danger-ghost { background: transparent; border-color: var(--line-strong); color: var(--grana); }
.btn-danger-ghost:hover:not(:disabled) { background: var(--grana-soft); border-color: var(--grana); }
.btn-danger { background: var(--grana); border-color: var(--grana); color: #fff; }
.btn-danger:hover:not(:disabled) { filter: brightness(1.08); color: #fff; }
.btn-lg { padding: 13px 22px; font-size: 1.02rem; border-radius: 12px; }
.btn-sm { padding: 7px 12px; font-size: .88rem; }
.btn-block { width: 100%; }
.btn-mini { padding: 4px 10px; font-size: .8rem; border-radius: 7px; background: var(--surface); border-color: var(--line-strong); color: var(--ink); }
.btn-mini:hover { background: var(--surface-2); color: var(--ink); }

/* ---------- Superficies ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px; }
section.card { margin-bottom: 16px; }
.card-title { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.card-title h3 { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }

.alert { padding: 12px 16px; border-radius: var(--r); margin: 0 0 16px; font-size: .95rem; border: 1px solid transparent; }
.alert-error { background: var(--grana-soft); color: var(--grana); border-color: color-mix(in srgb, var(--grana) 25%, transparent); }
.alert-success { background: var(--jade-soft); color: var(--jade); border-color: color-mix(in srgb, var(--jade) 25%, transparent); }
.alert-warn { background: var(--ocre-soft); color: var(--ocre-ink); border-color: color-mix(in srgb, var(--ocre) 30%, transparent); }

.status { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-ok { background: var(--jade-soft); color: var(--jade); }
.status-wait { background: var(--ocre-soft); color: var(--ocre-ink); }
.status-bad { background: var(--grana-soft); color: var(--grana); }
.status-muted { background: var(--surface-2); color: var(--ink-soft); }

/* ---------- Formularios ---------- */
.auth { display: flex; justify-content: center; padding-top: 12px; }
.auth-card { width: 100%; max-width: 440px; padding: 30px; }
.form { display: grid; gap: 14px; margin-top: 14px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .93rem; }
.form label.check { display: flex; align-items: flex-start; gap: 8px; font-weight: 400; }
input[type="text"], input[type="email"], input[type="password"], select {
  width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink); font: inherit;
}
input:focus, select:focus { border-color: var(--maya); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--maya) 25%, transparent); }
input[type="checkbox"] { margin-top: 4px; accent-color: var(--maya); }
.check { display: inline-flex; gap: 6px; align-items: center; }

/* ---------- Panel de bases ---------- */
.dash-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.dash-head p { margin: 0; }
.create-card { margin-bottom: 24px; }
.create-form { display: flex; gap: 10px; }
.create-form input { flex: 1; }
.create-form select { flex: 0 0 auto; width: auto; }
@media (max-width: 640px) { .create-form { flex-direction: column; } .create-form select { width: 100%; } }
#create-hint { margin: 10px 0 0; }
#create-error { margin: 10px 0 0; }
.db-list { display: grid; gap: 14px; }
.empty { text-align: center; color: var(--ink-soft); padding: 40px 0; }
.db-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.db-name { font-family: var(--mono); font-size: 1.02rem; font-weight: 600; word-break: break-all; letter-spacing: 0; }
.db-meta { margin: 2px 0 0; }
.db-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.db-notice { margin: 12px 0 0; padding: 9px 13px; border-radius: 10px; }
.notice-info { background: var(--ocre-soft); color: var(--ocre-ink); }
.notice-error { background: var(--grana-soft); color: var(--grana); }

.conn, .panel { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.conn-grid { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0 0 16px; align-items: center; }
.conn-grid dt { color: var(--ink-soft); font-size: .9rem; }
.conn-grid dd { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; min-width: 0; }
.conn-grid code { background: var(--surface-2); padding: 3px 8px; border-radius: 6px; word-break: break-all; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.tab { background: transparent; border: 1px solid transparent; border-radius: 8px; padding: 6px 12px; color: var(--ink-soft); font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer; }
.tab:hover { color: var(--ink); }
.tab.active { background: var(--maya-soft); color: var(--maya); }
.snippet { position: relative; }
.snippet pre { background: var(--code-bg); color: var(--code-ink); border-radius: var(--r); padding: 16px; margin: 0; overflow-x: auto; }
.snippet .btn-mini { position: absolute; top: 10px; right: 10px; }
.panel h4 { margin: 0 0 4px; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.panel-head p { margin: 0; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.row-actions .btn-mini { text-decoration: none; }
.events-title { margin-top: 18px !important; }
.events { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.events li { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: baseline; font-size: .92rem; }
.events .status::before { display: none; }
@media (max-width: 560px) { .events li { grid-template-columns: auto 1fr; } .events li .small { grid-column: 2; } }
.import-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 10px 0 6px; }
.import-form input[type="file"] { font: inherit; max-width: 100%; }
.verify-banner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.verify-banner form { margin: 0; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; position: relative; }
.table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.table th { text-align: left; color: var(--ink-soft); font-weight: 600; font-size: .84rem; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--surface-2); }
.table.compact td { padding: 7px 10px; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table a { text-decoration: none; }
.table a:hover { text-decoration: underline; }
.table form { margin: 0; }
.table-card { padding: 8px 12px; }
.error-cell { color: var(--grana); font-family: var(--mono); font-size: .8rem; max-width: 420px; word-break: break-word; }

/* ---------- Administración ---------- */
.admin-tabs { display: flex; gap: 4px; margin: -8px 0 22px; border-bottom: 1px solid var(--line); }
.admin-tabs a { padding: 9px 11px; color: var(--ink-soft); text-decoration: none; font-weight: 650; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.admin-tabs a.active { color: var(--maya); border-bottom-color: var(--maya); }
.admin-tabs a:hover { color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat { display: grid; gap: 2px; text-decoration: none; color: var(--ink); }
a.stat:hover { border-color: var(--maya); color: var(--ink); }
.stat-label { color: var(--ink-soft); font-size: .88rem; font-weight: 600; }
.stat-value { font-size: 2rem; font-weight: 750; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.stat-sub { color: var(--ink-soft); font-size: .82rem; }
.health { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-bottom: 16px; }
.admin-grid > .card, .admin-grid section.card { margin-bottom: 0; min-width: 0; }
.bar-chart { width: 100%; height: auto; display: block; }
.bar-chart .axis { stroke: var(--line); stroke-width: 1; }
.bar-chart .bar { fill: var(--maya); }
.bar-chart .hit { fill: transparent; }
.bar-chart .bar-group:hover .hit { fill: var(--maya-soft); }
.bar-chart .tick { fill: var(--ink-soft); font-size: 11px; font-family: var(--font); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; padding: 14px; }
.filters input[type="text"] { flex: 1 1 240px; width: auto; }
.filters select { width: auto; }
.pager { display: flex; justify-content: center; align-items: center; gap: 14px; }
.activity { list-style: none; margin: 0; padding: 0; display: grid; }
.activity li { display: grid; gap: 1px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.activity li:last-child { border-bottom: 0; }
.inline-form { display: grid; gap: 6px; }
.inline-form label { font-weight: 600; font-size: .92rem; }
.inline-form .row { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form select { flex: 1; min-width: 180px; width: auto; }
meter { width: 90px; height: 10px; vertical-align: middle; }
.link-list { margin: 0; padding-left: 18px; display: grid; gap: 6px; word-break: break-all; }
.mail-body { white-space: pre-wrap; word-break: break-word; background: var(--surface-2); border-radius: var(--r); padding: 14px; margin: 0; }

/* ---------- Greca (xicalcoliuhqui) ---------- */
.greca {
  height: 26px;
  background-color: var(--maya-900);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='52' height='26' viewBox='0 0 52 26'%3E%3Cpath d='M2 24 H8 V18 H14 V12 H20 V6' fill='none' stroke='%23D99A1E' stroke-width='3' stroke-linecap='square'/%3E%3Cpath d='M20 6 V2 H32 V18 H26 V8' fill='none' stroke='%23F4F7F6' stroke-width='3' stroke-linecap='square'/%3E%3Cpath d='M38 24 H50' fill='none' stroke='%23B3203A' stroke-width='3' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: 0 center;
}

/* ---------- Editor SQL ---------- */
.editor {
  background: var(--code-bg); color: var(--code-ink); border-radius: var(--r-lg);
  border: 1px solid var(--code-line); overflow: hidden; display: grid;
}
.editor-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--code-line); flex-wrap: wrap; }
.editor-presets { display: flex; gap: 6px; flex-wrap: wrap; }
.preset {
  border: 1px solid var(--code-line); background: transparent; color: var(--code-muted);
  font: inherit; font-size: .82rem; font-weight: 600; padding: 5px 11px; border-radius: 999px; cursor: pointer;
}
.preset:hover { color: var(--code-ink); border-color: var(--code-muted); }
.preset.active { background: #F2C14E; border-color: #F2C14E; color: #241800; }
.code-area { position: relative; font-family: var(--mono); font-size: 14.5px; line-height: 1.6; min-height: 156px; }
.code-area pre, .code-area textarea {
  margin: 0; padding: 16px 18px; border: 0; font: inherit; line-height: inherit; letter-spacing: 0;
  white-space: pre-wrap; word-wrap: break-word; overflow-wrap: anywhere; tab-size: 2;
}
.code-area pre { pointer-events: none; color: var(--code-ink); min-height: 100%; }
.code-area textarea {
  position: absolute; inset: 0; width: 100%; height: 100%; resize: none; overflow: hidden;
  background: transparent; color: transparent; caret-color: #F2C14E; outline: none;
}
.code-area textarea::selection { background: rgba(242, 193, 78, .35); color: transparent; }
.code-area textarea:focus-visible { outline: none; }
.editor:focus-within { border-color: #F2C14E; }
.tok-kw { color: var(--tok-kw); font-weight: 600; }
.tok-str { color: var(--tok-str); }
.tok-num { color: var(--tok-num); }
.tok-fn { color: var(--tok-fn); }
.tok-com { color: var(--tok-com); font-style: italic; }
.editor-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border-top: 1px solid var(--code-line); flex-wrap: wrap; }
.editor-foot .hint { color: var(--code-muted); font-size: .82rem; }
.editor-foot .hint kbd { border-color: var(--code-line); color: var(--code-ink); }
.editor-actions { display: flex; gap: 8px; }

.results { background: var(--surface); color: var(--ink); border-radius: var(--r); border: 1px solid var(--line); overflow: hidden; }
.results-meta { display: flex; justify-content: space-between; gap: 10px; padding: 9px 14px; font-size: .84rem; color: var(--ink-soft); border-bottom: 1px solid var(--line); background: var(--surface-2); }
.results-scroll { overflow: auto; max-height: 340px; }
.results table { border-collapse: collapse; width: 100%; font-size: .88rem; }
.results th { position: sticky; top: 0; background: var(--surface); text-align: left; font-weight: 650; padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.results td { padding: 7px 12px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; white-space: nowrap; max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
.results td.null { color: var(--ink-soft); font-style: italic; }
.results tr:last-child td { border-bottom: 0; }
.results-error { padding: 14px; color: var(--grana); background: var(--grana-soft); font-size: .93rem; }
.results-empty { padding: 18px 14px; color: var(--ink-soft); font-size: .93rem; }

/* ---------- Landing ---------- */
.theme-landing .main { padding-top: 0; padding-bottom: 0; }
.hero { background: var(--maya-900); color: #EAF2F3; padding: 56px 0 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.hero-grid > *, .reto-layout > *, .split > * { min-width: 0; }
html, body { overflow-x: hidden; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); line-height: 1.02; letter-spacing: -0.035em; font-weight: 750; color: #FFFFFF; margin-bottom: 18px; max-width: 13ch; }
.hero-lead { font-size: 1.15rem; line-height: 1.55; color: #BFD6DB; max-width: 34ch; margin-bottom: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.hero-note { color: #8FB2BA; font-size: .9rem; margin: 0; }
.hero .results { border-color: transparent; margin-top: 12px; }
.hero-demo-note { color: #8FB2BA; font-size: .85rem; margin: 10px 2px 0; }

.band { padding: 80px 0; }
.band-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-head { max-width: 640px; margin-bottom: 36px; }
.band-head p { color: var(--ink-soft); font-size: 1.08rem; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: 24px; } }
.steps li { position: relative; padding-top: 58px; }
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 0; left: 0; width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--maya-900); color: var(--ocre); font-weight: 750; font-size: 1.25rem; border-radius: 10px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--ink-soft); margin: 0; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checklist { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; }
.checklist li { padding-left: 28px; position: relative; }
.checklist li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 11px; height: 11px; background: var(--ocre); clip-path: polygon(0 100%, 0 60%, 33% 60%, 33% 30%, 66% 30%, 66% 0, 100% 0, 100% 100%); }

.retos-preview { background: var(--maya-900); color: #EAF2F3; border-radius: var(--r-lg); padding: 26px; }
.retos-preview .rp-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.rp-streak { display: inline-flex; align-items: center; gap: 8px; color: #F2C14E; font-weight: 750; font-size: 1.05rem; }
.rp-xp { color: #BFD6DB; font-size: .92rem; }
.rp-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 8px; }
.rp-list li { display: flex; justify-content: space-between; gap: 12px; padding: 11px 14px; border-radius: 10px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.rp-list .done { color: #8FD9B6; font-weight: 700; font-size: .88rem; }
.rp-list .todo { color: #8FB2BA; font-size: .88rem; }
.rp-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
@media (max-width: 820px) { .audience { grid-template-columns: 1fr; } }
.audience > div { padding: 32px; }
.audience > div + div { border-left: 1px solid var(--line); }
@media (max-width: 820px) { .audience > div + div { border-left: 0; border-top: 1px solid var(--line); } }
.audience h3 { font-size: 1.35rem; }
.audience .checklist { margin-bottom: 0; }

.trust { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 900px) { .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .trust { grid-template-columns: 1fr; } }
.trust h3 { font-size: 1.05rem; margin-bottom: 4px; }
.trust p { color: var(--ink-soft); font-size: .95rem; margin: 0; }
.trust-status { margin-top: 32px; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 600; }

.pricing { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.pricing th, .pricing td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.pricing tr:last-child td { border-bottom: 0; }
.pricing th { font-size: .88rem; color: var(--ink-soft); font-weight: 600; background: var(--surface-2); }
.pricing .plan-name { font-weight: 700; font-size: 1.05rem; }
.pricing .price { font-weight: 750; font-size: 1.2rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pricing .price small { font-weight: 500; color: var(--ink-soft); font-size: .8rem; }
.pricing-wrap { overflow-x: auto; }

.cta-band { background: var(--maya-900); color: #EAF2F3; padding: 64px 0; }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin: 0; max-width: 20ch; }

/* ---------- Pie ---------- */
.footer { border-top: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 24px; padding-bottom: 28px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer a { color: var(--ink-soft); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer .brand { font-size: 1rem; }
.footer .brand svg { width: 24px; height: 24px; }

/* ---------- Retos ---------- */
.retos-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; margin-bottom: 28px; }
@media (max-width: 760px) { .retos-head { grid-template-columns: 1fr; } }
.retos-head p { color: var(--ink-soft); margin: 0; max-width: 56ch; }
.scoreboard { display: flex; gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.scoreboard > div { padding: 14px 22px; display: grid; gap: 0; }
.scoreboard > div + div { border-left: 1px solid var(--line); }
.score-value { font-size: 1.7rem; font-weight: 750; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.score-label { color: var(--ink-soft); font-size: .82rem; }
.score-streak .score-value { color: var(--ocre-ink); }
.score-streak.cold .score-value { color: var(--ink-soft); }

.level { margin-bottom: 30px; }
.level-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px; flex-wrap: wrap; }
.level-head h2 { font-size: 1.35rem; margin: 0; }
.level-progress { color: var(--ink-soft); font-size: .9rem; }
.level > p { color: var(--ink-soft); margin-bottom: 12px; }
.reto-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.reto-list li + li { border-top: 1px solid var(--line); }
.reto-list a { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 14px 18px; color: var(--ink); text-decoration: none; }
.reto-list a:hover { background: var(--surface-2); color: var(--ink); }
.reto-mark { width: 26px; height: 26px; border-radius: 7px; border: 2px solid var(--line-strong); display: grid; place-items: center; font-size: .8rem; font-weight: 800; }
.reto-list .solved .reto-mark { background: var(--jade); border-color: var(--jade); color: #fff; }
.reto-title { font-weight: 650; }
.reto-story { color: var(--ink-soft); font-size: .9rem; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reto-xp { color: var(--ink-soft); font-size: .85rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.reto-list .solved .reto-xp { color: var(--jade); font-weight: 700; }

.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.badge { display: grid; justify-items: start; gap: 6px; padding: 14px; border-radius: var(--r); border: 1px dashed var(--line-strong); background: transparent; }
.badge-glyph {
  width: 44px; height: 44px; display: grid; place-items: center; font-weight: 800; font-size: 1rem;
  clip-path: polygon(0 30%, 30% 30%, 30% 0, 100% 0, 100% 70%, 70% 70%, 70% 100%, 0 100%);
  background: var(--surface-2); color: var(--ink-soft);
}
.badge-name { font-weight: 700; font-size: .92rem; }
.badge-desc { color: var(--ink-soft); font-size: .8rem; line-height: 1.35; }
.badge.earned { border-style: solid; border-color: var(--line); background: var(--surface); }
.badge.earned .badge-glyph { background: var(--grana); color: #fff; }
.badge.earned:nth-child(3n+2) .badge-glyph { background: var(--maya-900); color: #F2C14E; }
.badge.earned:nth-child(3n) .badge-glyph { background: var(--ocre); color: #241800; }
.retos-preview .badge-glyph { width: 40px; height: 40px; background: var(--grana); color: #fff; }
.retos-preview .badge-glyph.b2 { background: #F2C14E; color: #241800; }
.retos-preview .badge-glyph.b3 { background: rgba(255,255,255,.12); color: #8FB2BA; }

/* Página de un reto */
.reto-layout { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 24px; align-items: start; }
@media (max-width: 960px) { .reto-layout { grid-template-columns: minmax(0, 1fr); } }
.reto-brief { position: sticky; top: 84px; }
@media (max-width: 960px) { .reto-brief { position: static; } }
.reto-crumb { font-size: .9rem; margin-bottom: 10px; }
.reto-level { color: var(--ink-soft); font-size: .9rem; margin-bottom: 4px; }
.reto-brief h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.reto-story-full { color: var(--ink-soft); }
.reto-task { font-size: 1.08rem; font-weight: 550; border-left: 4px solid var(--ocre); padding: 4px 0 4px 14px; margin: 16px 0 20px; }
.hints { display: grid; gap: 8px; margin-bottom: 20px; }
.hint-item { background: var(--ocre-soft); color: var(--ocre-ink); border-radius: 10px; padding: 10px 13px; font-size: .93rem; }
.schema { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
.schema summary { cursor: pointer; padding: 11px 14px; font-weight: 650; }
.schema-tables { padding: 0 14px 12px; display: grid; gap: 10px; }
.schema-table h4 { font-family: var(--mono); font-size: .88rem; margin: 0 0 4px; }
.schema-table h4 small { color: var(--ink-soft); font-family: var(--font); font-weight: 500; }
.schema-cols { display: flex; flex-wrap: wrap; gap: 4px; }
.col-chip { font-family: var(--mono); font-size: .76rem; padding: 2px 7px; border-radius: 6px; background: var(--surface-2); color: var(--ink); border: 0; cursor: pointer; }
.col-chip:hover { background: var(--maya-soft); color: var(--maya); }
.col-chip.pk { background: var(--ocre-soft); color: var(--ocre-ink); }
.verdict { margin-top: 12px; padding: 12px 16px; border-radius: var(--r); font-weight: 600; }
.verdict.ok { background: var(--jade-soft); color: var(--jade); }
.verdict.no { background: var(--grana-soft); color: var(--grana); }

/* Celebración al resolver */
.celebrate { position: fixed; inset: 0; background: rgba(4, 22, 27, .72); display: grid; place-items: center; z-index: 60; padding: 20px; }
.celebrate[hidden] { display: none; }
.celebrate-card {
  background: var(--surface); color: var(--ink); border-radius: 22px; padding: 30px; width: min(440px, 100%);
  text-align: center; animation: pop .35s cubic-bezier(.2, 1.4, .4, 1);
  border-top: 6px solid var(--ocre);
}
.celebrate-card h2 { margin-bottom: 6px; }
.celebrate-xp { font-size: 2.4rem; font-weight: 800; color: var(--ocre-ink); letter-spacing: -0.03em; margin: 6px 0; }
.celebrate-streak { color: var(--ink-soft); margin-bottom: 14px; }
.celebrate-badges { display: grid; gap: 8px; margin: 12px 0 18px; }
.celebrate-badges .badge { justify-items: center; text-align: center; border-style: solid; }
.celebrate-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.greca-burst { height: 16px; margin: -30px -30px 20px; border-radius: 16px 16px 0 0; background-size: 32px 16px; }
@keyframes pop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- Estado ---------- */
.status-hero { padding: 24px 26px; border-radius: var(--r-lg); margin-bottom: 22px; display: flex; align-items: center; gap: 14px; font-size: 1.2rem; font-weight: 700; }
.status-hero.ok { background: var(--jade-soft); color: var(--jade); }
.status-hero.slow { background: var(--ocre-soft); color: var(--ocre-ink); }
.status-hero.down { background: var(--grana-soft); color: var(--grana); }
.status-dot { width: 14px; height: 14px; border-radius: 50%; background: currentColor; flex: none; box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 22%, transparent); }
.components { list-style: none; padding: 0; margin: 0; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.components > li { padding: 18px 20px; }
.components > li + li { border-top: 1px solid var(--line); }
.comp-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.comp-name { font-weight: 700; }
.comp-detail { color: var(--ink-soft); font-size: .9rem; }
.uptime { margin-top: 12px; }
.uptime svg { width: 100%; height: 34px; display: block; }
.uptime .u-ok { fill: var(--jade); }
.uptime .u-warn { fill: var(--ocre); }
.uptime .u-bad { fill: var(--grana); }
.uptime .u-none { fill: var(--line); }
.uptime-legend { display: flex; justify-content: space-between; color: var(--ink-soft); font-size: .8rem; margin-top: 4px; }

/* ---------- Novedades ---------- */
.changelog { list-style: none; padding: 0; margin: 0; position: relative; }
.changelog::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.release { position: relative; padding-left: 40px; margin-bottom: 40px; }
.release::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; background: var(--ocre); clip-path: polygon(0 100%, 0 50%, 50% 50%, 50% 0, 100% 0, 100% 100%); }
.release:first-child::before { background: var(--grana); }
.release-meta { color: var(--ink-soft); font-size: .9rem; margin-bottom: 4px; }
.release h2 { font-size: 1.5rem; margin-bottom: 6px; }
.release > p { color: var(--ink-soft); }
.release ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.release li { display: grid; grid-template-columns: 96px 1fr; gap: 12px; align-items: baseline; }
@media (max-width: 520px) { .release li { grid-template-columns: 1fr; gap: 2px; } }
.tag { font-size: .78rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; justify-self: start; }
.tag-nuevo { background: var(--maya-soft); color: var(--maya); }
.tag-mejora { background: var(--ocre-soft); color: var(--ocre-ink); }
.tag-seguridad { background: var(--jade-soft); color: var(--jade); }
.tag-cambio { background: var(--surface-2); color: var(--ink-soft); }

.narrow { max-width: 760px; }
.page-head { margin-bottom: 28px; }
.page-head p { color: var(--ink-soft); font-size: 1.05rem; max-width: 60ch; }
a.sr-only:focus { position: fixed; top: 8px; left: 8px; width: auto; height: auto; clip: auto; padding: 8px 14px; background: var(--ocre); color: #241800; border-radius: 8px; z-index: 100; }
.results-gap { margin-top: 12px; }

/* ---------- Panel del cliente: resumen y tarjetas ---------- */
.summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin-bottom: 20px; overflow: hidden; }
@media (max-width: 860px) { .summary { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.summary-item { display: grid; gap: 4px; padding: 16px 20px; color: var(--ink); text-decoration: none; align-content: start; }
.summary-item + .summary-item { border-left: 1px solid var(--line); }
@media (max-width: 860px) {
  .summary-item:nth-child(3) { border-left: 0; }
  .summary-item:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.summary-link:hover { background: var(--surface-2); color: var(--ink); }
.summary-label { color: var(--ink-soft); font-size: .85rem; font-weight: 600; }
.summary-value { font-size: 1.6rem; font-weight: 750; letter-spacing: -0.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.summary-value small { font-size: .9rem; font-weight: 500; color: var(--ink-soft); letter-spacing: 0; }
.summary-value-sm { font-size: 1.15rem; letter-spacing: -0.01em; padding-top: 4px; }
.summary-sub { color: var(--ink-soft); font-size: .8rem; }

.meter { display: block; height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.meter > span { display: block; height: 100%; width: 0; background: var(--maya); border-radius: inherit; transition: width .4s ease; }
.meter > span.warn { background: var(--ocre); }
.meter > span.danger { background: var(--grana); }

.create-title, .list-title { font-size: 1.1rem; margin-bottom: 12px; letter-spacing: -0.01em; }
.list-title { margin-top: 4px; }
.db-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.db-tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); display: flex; flex-direction: column; overflow: hidden; }
.db-tile:hover { border-color: var(--line-strong); }
.db-tile-main { display: grid; gap: 10px; padding: 18px 18px 14px; color: var(--ink); text-decoration: none; flex: 1; }
.db-tile-main:hover { color: var(--ink); }
.db-tile-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.db-tile .db-name { font-size: 1rem; margin: 0; }
.db-note { margin: 0; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.db-usage { display: grid; gap: 4px; }
.db-facts { display: flex; gap: 22px; margin: 0; }
.db-facts div { display: grid; }
.db-facts dt { color: var(--ink-soft); font-size: .78rem; }
.db-facts dd { margin: 0; font-weight: 650; font-size: .92rem; }
.db-tile-actions { display: flex; gap: 6px; flex-wrap: wrap; padding: 12px 18px; border-top: 1px solid var(--line); background: var(--surface-2); }
.is-disabled { opacity: .5; pointer-events: none; }

/* ---------- Página de una base ---------- */
.db-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.db-header-main { min-width: 0; }
.db-title-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.db-title { font-family: var(--mono); font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -0.02em; margin: 0; word-break: break-all; }
.db-header-note { color: var(--ink-soft); margin: 6px 0 0; }
.db-header-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.db-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin-bottom: 18px; overflow: hidden; }
@media (max-width: 860px) { .db-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.db-stats > div { display: grid; gap: 4px; padding: 14px 18px; align-content: start; }
.db-stats > div + div { border-left: 1px solid var(--line); }
@media (max-width: 860px) {
  .db-stats > div:nth-child(3) { border-left: 0; }
  .db-stats > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.db-stat-value { font-size: 1.4rem; font-weight: 750; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.db-stat-sm { font-size: 1.05rem; letter-spacing: 0; padding-top: 3px; }

.db-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; scrollbar-width: none; }
.db-tabs::-webkit-scrollbar { display: none; }
.db-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 10px 14px; font: inherit; font-weight: 650; color: var(--ink-soft); cursor: pointer; white-space: nowrap; }
.db-tabs button:hover { color: var(--ink); }
.db-tabs button.active { color: var(--maya); border-bottom-color: var(--maya); }

.console-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 18px; align-items: start; }
@media (max-width: 900px) { .console-layout { grid-template-columns: minmax(0, 1fr); } }
.console-side { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 14px 16px; position: sticky; top: 84px; }
@media (max-width: 900px) { .console-side { position: static; } }
.side-title { font-size: .92rem; margin: 0 0 8px; }
.side-title + * { margin-bottom: 16px; }
.side-tables { display: flex; flex-wrap: wrap; gap: 6px; }
.history { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; max-height: 320px; overflow-y: auto; }
.history-item { width: 100%; text-align: left; background: none; border: 0; border-radius: 6px; padding: 6px 8px; font-family: var(--mono); font-size: .76rem; color: var(--ink); cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border-left: 3px solid var(--jade); }
.history-item:hover { background: var(--surface-2); }
.history-item.failed { border-left-color: var(--grana); }
.results-actions { display: flex; justify-content: flex-end; margin-top: 10px; }
.results-ok { padding: 16px 14px; color: var(--jade); font-weight: 600; }

.tables-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 860px) { .tables-layout { grid-template-columns: minmax(0, 1fr); } }
.table-list { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 6px; display: grid; gap: 2px; }
.table-list > p { padding: 10px; margin: 0; }
.table-item { display: grid; gap: 1px; text-align: left; background: none; border: 0; border-radius: 10px; padding: 9px 12px; cursor: pointer; font: inherit; color: var(--ink); }
.table-item:hover { background: var(--surface-2); }
.table-item.active { background: var(--maya-soft); }
.table-item-name { font-family: var(--mono); font-weight: 600; font-size: .9rem; word-break: break-all; }
.table-item-meta { color: var(--ink-soft); font-size: .78rem; }
.table-detail { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px; min-height: 220px; display: grid; gap: 14px; align-content: start; }
.table-detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.table-detail-head h3 { margin: 0; }
.table-detail-head p { margin: 2px 0 0; }
.mono { font-family: var(--mono); }
.preview-title { margin: 6px 0 0; }
.empty-state { text-align: center; padding: 40px 10px; }
.empty-state p { margin: 0; }
.conn-tip { margin: 14px 0 0; }

.settings { display: grid; gap: 14px; max-width: 760px; }
.settings .card { margin: 0; }
.settings h3 { margin-bottom: 4px; }
.settings .inline-form input { flex: 1; min-width: 200px; width: auto; }
.danger-zone { border-color: color-mix(in srgb, var(--grana) 35%, var(--line)); }
.danger-zone h3 { color: var(--grana); }

/* ---------- Mi cuenta ---------- */
.account-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 860px) { .account-grid { grid-template-columns: minmax(0, 1fr); } }
.account-col { display: grid; gap: 16px; }
.account-col .card { margin: 0; }
.account-col .form { margin-top: 10px; }
.form input:disabled { background: var(--surface-2); color: var(--ink-soft); }
.activity-title { margin: 18px 0 4px; }
.plan-current { font-size: 1.35rem; font-weight: 750; letter-spacing: -0.02em; margin-bottom: 12px; }
.plan-current .muted { font-size: .95rem; font-weight: 500; letter-spacing: 0; }
.plan-usage { display: flex; flex-wrap: wrap; gap: 22px; margin: 0 0 14px; }
.plan-usage div { display: grid; }
.plan-usage dt { color: var(--ink-soft); font-size: .8rem; }
.plan-usage dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }
.plans-compare summary { cursor: pointer; font-weight: 650; color: var(--maya); margin-top: 6px; }
.plans-compare .table-wrap { margin-top: 10px; }
.current-plan td { background: var(--maya-soft); font-weight: 650; }
.nav-user { text-decoration: none; border-radius: var(--r-sm); padding: 6px 8px; }
.nav-user:hover, .nav-user.active { background: var(--surface-2); color: var(--ink); }

/* ---------- Página de una base (v6: todo a la vista) ---------- */
.dbx-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.dbx-head-main { min-width: 0; flex: 1 1 360px; display: grid; gap: 6px; }
.dbx-meta { margin: 0; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; }
.dbx-usage { display: grid; grid-template-columns: minmax(80px, 160px) auto; align-items: center; gap: 10px; }
.dbx-usage .meter { height: 7px; }
@media (max-width: 560px) { .dbx-usage { grid-template-columns: minmax(0, 1fr); gap: 6px; } }
.dbx-head-actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 560px) { .dbx-head-actions { width: 100%; } .dbx-head-actions .btn { flex: 1; } }

.dbx-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
@media (max-width: 960px) { .dbx-grid { grid-template-columns: minmax(0, 1fr); } }
.dbx-main { min-width: 0; display: grid; align-content: start; }
.dbx-side { min-width: 0; display: grid; gap: 14px; }

.side-card, .settings-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px; min-width: 0; }
.side-card-title { font-size: .98rem; margin: 0 0 10px; letter-spacing: -0.01em; display: flex; align-items: baseline; gap: 6px; }
.side-note { margin: -4px 0 10px; }

.copy-btn {
  display: inline-flex; align-items: center; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft);
  font: inherit; font-size: .74rem; font-weight: 600; padding: 2px 8px; border-radius: 6px; cursor: pointer; text-decoration: none; white-space: nowrap; line-height: 1.5;
}
.copy-btn:hover { color: var(--ink); background: var(--surface-2); }
.copy-btn:disabled { opacity: .5; cursor: default; }

.conn-list { margin: 0; display: grid; }
.conn-list > div { display: grid; grid-template-columns: 82px minmax(0, 1fr); align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.conn-list > div:last-child { border-bottom: 0; }
.conn-list dt { color: var(--ink-soft); font-size: .82rem; }
.conn-list dd { margin: 0; display: flex; align-items: center; gap: 4px; min-width: 0; }
.conn-list code { font-family: var(--mono); font-size: .82rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code-copy { display: flex; gap: 8px; margin: 12px 0 8px; }
.code-copy select { flex: 1; min-width: 0; width: auto; padding: 6px 10px; font-size: .88rem; }
.snippet-mini { margin: 0; background: var(--code-bg); color: var(--code-ink); border-radius: var(--r); padding: 10px 12px; font-family: var(--mono); font-size: .74rem; line-height: 1.55; max-height: 150px; overflow: auto; white-space: pre; }

.table-rows { display: grid; gap: 2px; max-height: 300px; overflow-y: auto; margin: 0 -6px; }
.table-rows > p { margin: 0; padding: 0 6px; }
.table-row { display: flex; align-items: center; gap: 6px; border-radius: 10px; padding-right: 6px; }
.table-row:hover { background: var(--surface-2); }
.table-row-main { flex: 1; min-width: 0; display: grid; gap: 1px; text-align: left; background: none; border: 0; padding: 7px 8px; cursor: pointer; font: inherit; color: var(--ink); border-radius: 10px; }
.table-row-name { font-family: var(--mono); font-weight: 600; font-size: .86rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-row-meta { color: var(--ink-soft); font-size: .76rem; }
.table-row .copy-btn { opacity: .75; }
.table-row:hover .copy-btn, .table-row .copy-btn:focus-visible { opacity: 1; }

.backup-rows { list-style: none; margin: 0 0 12px; padding: 0; display: grid; }
.backup-rows > li { padding: 7px 0; border-bottom: 1px solid var(--line); }
.backup-rows > li:last-child { border-bottom: 0; }
.backup-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.backup-info { display: grid; min-width: 0; }
.backup-date { font-size: .88rem; font-weight: 600; }
.backup-meta { font-size: .76rem; color: var(--ink-soft); }
.backup-actions { display: flex; gap: 4px; }
.backup-more { text-align: center; }
.is-error { color: var(--grana); }
.upload { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-top: 12px; border-top: 1px dashed var(--line-strong); }
.upload-label { cursor: pointer; }
.upload-label:focus-within .btn { outline: 2px solid var(--focus); outline-offset: 2px; }
.upload-label:has(input:disabled) { opacity: .5; cursor: default; }
.last-event { margin: 10px 0 0; }
.last-event[hidden] { display: none; }

/* Historial dentro del editor oscuro */
.editor .history { padding: 6px 8px; border-bottom: 1px solid var(--code-line); max-height: 200px; }
.editor .history[hidden] { display: none; }
.editor .history-item { color: var(--code-ink); }
.editor .history-item:hover { background: var(--code-line); }
.editor .history-empty { color: var(--code-muted); padding: 6px 8px; }

.settings-card { margin-top: 18px; padding-bottom: 6px; }
.setting-row { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; padding: 12px 0; border-top: 1px solid var(--line); }
.setting-row > div:first-child { display: grid; gap: 1px; min-width: 0; flex: 1 1 280px; }
.setting-inline { display: flex; gap: 8px; flex: 1 1 280px; max-width: 420px; }
.setting-inline input { flex: 1; min-width: 0; width: auto; padding: 7px 10px; }
.danger-text { color: var(--grana); }
.dbx-main { gap: 0; }
.backups-card { margin-top: 18px; }
.dbx-main .code-area { min-height: 200px; }
@media (min-width: 961px) {
  .backups-card .backup-rows { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); column-gap: 20px; }
  .backups-card .backup-rows > li:last-child { border-bottom: 1px solid var(--line); }
  .backups-card .backup-rows > li.backup-more, .backups-card .backup-rows > li:only-child { grid-column: 1 / -1; border-bottom: 0; }
}
@media (max-width: 960px) {
  .dbx-main { display: contents; }
  .dbx-main .results-gap { margin-top: -6px; }
  .dbx-side { order: 1; }
  .backups-card { order: 2; margin-top: 0; }
}
.lang-tabs { margin: 12px 0 8px; gap: 4px; }
.lang-tabs .tab { padding: 4px 10px; font-size: .8rem; border-color: var(--line); }
.lang-tabs .tab.active { border-color: transparent; }
.snippet-box { position: relative; }
.snippet-box .snippet-mini { padding-right: 64px; }
.snippet-copy { position: absolute; top: 8px; right: 8px; background: var(--code-line); border-color: var(--code-line); color: var(--code-ink); }
.snippet-copy:hover { background: #1f5563; color: #fff; }

/* ---------- Asistente con IA ---------- */
.ai-bar { display: grid; gap: 8px; padding: 12px; border-bottom: 1px solid var(--code-line); background: linear-gradient(180deg, rgba(242, 193, 78, .07), transparent); }
.ai-modes { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ai-mode { border: 1px solid var(--code-line); background: transparent; color: var(--code-muted); font: inherit; font-size: .8rem; font-weight: 600; padding: 4px 11px; border-radius: 999px; cursor: pointer; }
.ai-mode:hover { color: var(--code-ink); border-color: var(--code-muted); }
.ai-mode.active { background: rgba(242, 193, 78, .16); border-color: #F2C14E; color: #F2C14E; }
.ai-left { margin-left: auto; font-size: .76rem; color: var(--code-muted); }
.ai-left.is-low { color: #F59AAB; }
.ai-form { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .05); border: 1px solid var(--code-line); border-radius: 12px; padding: 4px 4px 4px 12px; }
.ai-form:focus-within { border-color: #F2C14E; }
.ai-form input { flex: 1; min-width: 0; width: auto; background: transparent; border: 0; color: var(--code-ink); font: inherit; font-size: .95rem; padding: 7px 0; outline: none; box-shadow: none; }
.ai-form input::placeholder { color: var(--code-muted); }
.ai-form .btn { flex-shrink: 0; }
.ai-spark { color: #D99A1E; }
.ai-form .ai-spark { color: #F2C14E; }
@media (max-width: 560px) {
  .ai-left { margin-left: 0; width: 100%; }
  .ai-form { flex-wrap: wrap; padding: 8px; }
  .ai-form .ai-spark { display: none; }
  .ai-form input { flex-basis: 100%; padding: 4px 2px; }
  .ai-form .btn { width: 100%; }
}

.ai-loading { padding: 16px 14px; color: var(--ink-soft); font-weight: 600; display: flex; gap: 8px; align-items: center; }
.ai-loading .ai-spark { display: inline-block; animation: ai-pulse 1.1s ease-in-out infinite; }
@keyframes ai-pulse { 0%, 100% { opacity: .35; transform: scale(.9); } 50% { opacity: 1; transform: scale(1.15); } }

.ai-note { padding: 14px 16px; display: grid; gap: 8px; border-left: 3px solid var(--ocre); background: color-mix(in srgb, var(--ocre-soft) 55%, var(--surface)); }
.ai-note + .ai-note, .results-error + .ai-note { border-top: 1px solid var(--line); }
.ai-note p { margin: 0; }
.ai-note-title { font-weight: 700; }
.ai-note-text { color: var(--ink); }
.ai-note-foot { color: var(--ink-soft); font-size: .88rem; }
.ai-steps { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.ai-warn { background: var(--grana-soft); color: var(--grana); border-radius: 8px; padding: 8px 10px; font-size: .9rem; font-weight: 600; }
.ai-tip { color: var(--ink-soft); font-size: .9rem; }
.ai-code { margin: 0; background: var(--code-bg); color: var(--code-ink); border-radius: 10px; padding: 10px 12px; font-family: var(--mono); font-size: .82rem; white-space: pre-wrap; word-break: break-word; max-height: 260px; overflow: auto; }
.ai-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ai-why { padding: 0 14px 14px; }

.hint-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.hint-tutor { background: var(--maya-soft); color: var(--ink); border-left: 3px solid var(--ocre); }
.ai-upsell { margin: 0; padding: 10px 14px; border-bottom: 1px solid var(--code-line); color: var(--code-muted); font-size: .86rem; }
.ai-upsell strong { color: var(--code-ink); }
.ai-upsell a { color: #F2C14E; }

/* ---------- Modo profesor ---------- */
.alert-info { background: var(--maya-soft); color: var(--ink); border-color: color-mix(in srgb, var(--maya) 30%, transparent); }
.task-alert { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

.teacher-intro { max-width: 760px; display: grid; gap: 16px; }
.teacher-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: paso; }
.teacher-steps li { counter-increment: paso; display: grid; gap: 4px; padding: 14px; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface-2); }
.teacher-steps li::before { content: counter(paso); font-family: var(--mono); font-weight: 700; color: var(--ocre-ink); }
.teacher-steps span { color: var(--ink-soft); font-size: .9rem; }
@media (max-width: 760px) { .teacher-steps { grid-template-columns: minmax(0, 1fr); } }
.teacher-intro p, .teacher-intro form { margin: 0; }

.group-create { min-width: min(100%, 420px); }
.group-create input { flex: 1; min-width: 0; }
.group-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.group-card { display: grid; gap: 6px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); color: var(--ink); text-decoration: none; }
.group-card:hover { border-color: var(--maya); color: var(--ink); }
.group-card-name { font-weight: 700; font-size: 1.05rem; }
.group-code-sm { font-size: .82rem; color: var(--ink-soft); }
.group-code-sm strong { font-family: var(--mono); color: var(--ink); letter-spacing: .08em; }
.group-card-meta { font-size: .88rem; color: var(--ink-soft); }
.group-card-avg { font-weight: 650; color: var(--maya); font-size: .92rem; }

.join-wrap { display: grid; place-items: start center; padding-top: 20px; }
.join-card { width: min(100%, 460px); display: grid; gap: 10px; }
.join-card h1 { font-size: 1.5rem; margin: 0; }
.join-group { display: grid; gap: 2px; margin: 0; padding: 12px 14px; border-radius: var(--r); background: var(--maya-soft); }
.join-group strong { font-size: 1.15rem; }
.code-input { font-family: var(--mono); font-size: 1.4rem; letter-spacing: .25em; text-transform: uppercase; text-align: center; }
.join-hint { margin: -6px 0 18px; }

.grp-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.grp-head-main { min-width: 0; flex: 1 1 320px; }
.grp-head h1 { margin: 0 0 4px; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.02em; }
.grp-head p { margin: 0; }
.invite { display: grid; justify-items: center; gap: 4px; padding: 12px 18px; border: 1px dashed var(--line-strong); border-radius: var(--r-lg); background: var(--surface); }
.invite-label { font-size: .78rem; color: var(--ink-soft); }
.invite-code { font-family: var(--mono); font-size: 1.7rem; font-weight: 600; letter-spacing: .18em; color: var(--maya); line-height: 1.1; }
.invite-actions { display: flex; gap: 4px; }
@media (max-width: 560px) { .invite { width: 100%; } }

.grp-section { margin-bottom: 18px; }
.grp-section-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.grp-section-head h2 { font-size: 1.1rem; margin: 0; }
.member-list { list-style: none; margin: 0; padding: 0; display: grid; }
.member-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.member-list form { margin: 0; }

.grade-wrap { border: 1px solid var(--line); border-radius: var(--r); }
.grade-table { margin: 0; }
.grade-table th, .grade-table td { vertical-align: middle; }
.grade-table .col-student { min-width: 180px; position: sticky; left: 0; background: var(--surface); z-index: 1; }
.grade-table thead .col-student { background: var(--surface-2); }
.grade-table .col-task { text-align: center; min-width: 92px; }
.task-title { display: block; font-size: .78rem; line-height: 1.25; max-width: 120px; margin: 0 auto; white-space: normal; }
.task-due { display: block; font-size: .7rem; font-weight: 500; color: var(--ink-soft); margin-top: 2px; }
.student-name { display: block; font-weight: 600; }
.student-mail { display: block; font-size: .76rem; color: var(--ink-soft); word-break: break-all; }
.grade-table form { margin: 0; }
.cell { display: inline-flex; align-items: center; justify-content: center; gap: 2px; min-width: 34px; height: 28px; padding: 0 6px; border-radius: 8px; font-weight: 700; font-size: .9rem; border: 1px solid transparent; font-family: inherit; line-height: 1; }
.cell small { font-size: .66rem; font-weight: 600; }
button.cell { cursor: pointer; }
button.cell:hover, button.cell.is-open { outline: 2px solid var(--maya); outline-offset: 1px; }
.cell-ok { background: var(--jade-soft); color: var(--jade); }
.cell-late { background: var(--ocre-soft); color: var(--ocre-ink); }
.cell-tried { background: var(--grana-soft); color: var(--grana); }
.cell-pending { color: var(--ink-soft); background: var(--surface-2); }
.grade { font-size: 1rem; font-variant-numeric: tabular-nums; }
.grade-good { color: var(--jade); }
.grade-mid { color: var(--ocre-ink); }
.grade-low { color: var(--grana); }
.grade-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 10px 0 0; }
.grade-legend .cell { min-width: 24px; height: 22px; font-size: .78rem; }
.attempt-viewer { margin-top: 14px; padding: 14px 16px; border: 1px solid var(--line); border-left: 3px solid var(--maya); border-radius: var(--r); background: var(--surface-2); display: grid; gap: 8px; }
.attempt-viewer p { margin: 0; }
.attempt-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }

.task-rows { list-style: none; margin: 0 0 12px; padding: 0; display: grid; }
.task-row { display: grid; grid-template-columns: minmax(0, 1fr) 170px auto; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.task-row-main { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; min-width: 0; }
.task-row-main a { font-weight: 650; }
.task-level { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ocre-ink); }
.task-row-progress { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; }
.task-row form { margin: 0; }
@media (max-width: 640px) { .task-row { grid-template-columns: minmax(0, 1fr) auto; } .task-row-progress { grid-column: 1 / -1; grid-row: 2; } }

.assign-box { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface-2); }
.assign-box > summary { cursor: pointer; padding: 12px 14px; font-weight: 650; color: var(--maya); }
.assign-box[open] > summary { border-bottom: 1px solid var(--line); }
.assign-form { padding: 14px; display: grid; gap: 14px; }
.assign-levels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 720px) { .assign-levels { grid-template-columns: minmax(0, 1fr); } }
.assign-levels fieldset { margin: 0; border: 1px solid var(--line); border-radius: var(--r); padding: 10px 12px; background: var(--surface); display: grid; gap: 2px; min-width: 0; }
.assign-levels legend { font-weight: 700; font-size: .88rem; padding: 0 4px; }
.check { display: flex; align-items: center; gap: 8px; padding: 5px 2px; cursor: pointer; font-size: .92rem; }
.check input { width: 18px; height: 18px; accent-color: var(--maya); flex-shrink: 0; }
.check.is-assigned { color: var(--ink-soft); cursor: default; }
.assign-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.assign-due { display: grid; gap: 4px; font-weight: 600; font-size: .9rem; }
.assign-due input { width: auto; }

.task-badge { display: inline-block; margin: 0 0 8px; padding: 4px 10px; border-radius: 999px; background: var(--maya-soft); color: var(--maya); font-size: .82rem; font-weight: 650; }

.tasks-card { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--maya); border-radius: var(--r-lg); padding: 16px 18px; margin-bottom: 18px; }
.tasks-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.tasks-head h2 { font-size: 1.1rem; margin: 0; }
.tasks-head p, .tasks-head form { margin: 0; }
.task-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 8px; }
.task-link { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r); color: var(--ink); text-decoration: none; }
.task-link:hover { border-color: var(--maya); color: var(--ink); }
.task-state { grid-row: 1 / 3; font-size: .72rem; font-weight: 700; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.task-name { font-weight: 650; line-height: 1.3; }
.st-ok { background: var(--jade-soft); color: var(--jade); }
.st-late { background: var(--ocre-soft); color: var(--ocre-ink); }
.st-over { background: var(--grana-soft); color: var(--grana); }
.st-due { background: var(--maya-soft); color: var(--maya); }

/* ---------- Ejercicios del profesor y tareas ---------- */
.verdict.info { background: var(--maya-soft); color: var(--maya); }
.assign-note { margin: 0; }
.assign-own { border-color: color-mix(in srgb, var(--maya) 40%, var(--line)) !important; }
.assign-new { margin-top: 6px; font-weight: 600; }
.task-next-hint { margin: 10px 2px 0; }

.exercise-rows { list-style: none; margin: 0; padding: 0; display: grid; }
.exercise-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.exercise-row:last-child { border-bottom: 0; }
.exercise-row form { margin: 0; }
.exercise-main { display: grid; gap: 2px; min-width: 0; }
.exercise-title { font-weight: 700; }
.exercise-task { font-size: .9rem; color: var(--ink); }
.solution-peek summary { cursor: pointer; font-size: .82rem; color: var(--maya); font-weight: 600; margin-top: 4px; }
.solution-peek .ai-code { margin-top: 6px; }
.bank-level { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ocre-ink); margin: 18px 0 2px; }

.exercise-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
@media (max-width: 960px) { .exercise-grid { grid-template-columns: minmax(0, 1fr); } }
.exercise-fields { display: grid; gap: 16px; }
.exercise-fields > label:not(.check), .exercise-fields .field { display: grid; gap: 6px; font-weight: 600; font-size: .93rem; }
.exercise-fields label.check { display: flex; align-items: flex-start; gap: 8px; font-weight: 400; }
.exercise-fields textarea { font: inherit; font-weight: 400; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--surface); color: var(--ink); resize: vertical; }
.exercise-fields textarea:focus { border-color: var(--maya); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--maya) 25%, transparent); }
.exercise-fields .code-area { min-height: 120px; }
.exercise-fields .code-area textarea { border: 0; border-radius: 0; background: transparent; color: transparent; caret-color: #F2C14E; box-shadow: none; padding: 16px 18px; resize: none; font-family: var(--mono); font-weight: 400; }
.exercise-fields .results:empty { display: none; }
.exercise-schema { position: sticky; top: 84px; max-height: calc(100vh - 110px); overflow-y: auto; }
@media (max-width: 960px) { .exercise-schema { position: static; max-height: none; } }

/* ---------- Solicitudes de modo profesor ---------- */
.request-status { display: grid; gap: 4px; padding: 12px 14px; border-radius: var(--r); background: var(--maya-soft); }
.request-status.is-blocked { background: var(--ocre-soft); color: var(--ocre-ink); }
.request-title { font-size: 1.1rem; margin: 0 0 4px; }
.request-form { margin-top: 0; max-width: 560px; }
.request-form textarea { font: inherit; font-weight: 400; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--surface); color: var(--ink); resize: vertical; }
.tab-badge { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 999px; background: var(--grana); color: #fff; font-size: .75rem; font-weight: 700; text-align: center; line-height: 20px; }
.teacher-req { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
@media (max-width: 760px) { .teacher-req { grid-template-columns: minmax(0, 1fr); } }
.teacher-req-main { display: grid; gap: 8px; min-width: 0; }
.teacher-req-main p { margin: 0; }
.teacher-req-name a { font-weight: 700; }
.teacher-req-facts { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0; }
.teacher-req-facts div { display: grid; }
.teacher-req-facts dt { font-size: .76rem; color: var(--ink-soft); }
.teacher-req-facts dd { margin: 0; font-weight: 600; font-size: .92rem; }
.teacher-req-reason { font-style: italic; color: var(--ink-soft); }
.flag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.flag-list li, .flag-inline { display: inline-block; padding: 3px 9px; border-radius: 999px; background: var(--grana-soft); color: var(--grana); font-size: .78rem; font-weight: 650; }
.ok-text { color: var(--jade); font-weight: 600; }
.teacher-req-actions { display: grid; gap: 8px; align-content: start; min-width: 260px; }
.teacher-req-actions form { margin: 0; }
.reject-form { display: flex; gap: 6px; }
.reject-form input { flex: 1; min-width: 0; padding: 7px 10px; font-size: .88rem; }

/* ---------- Registro con tipo de cuenta ---------- */
.auth-card-wide { max-width: 520px; }
.role-picker { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; min-width: 0; }
.role-picker legend { font-weight: 600; font-size: .93rem; margin-bottom: 8px; padding: 0; }
.form label.role-option, .role-option { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 10px; row-gap: 0; align-items: center; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--r); cursor: pointer; font-weight: 400; }
.role-option:hover { border-color: var(--maya); }
.role-option.is-selected { border-color: var(--maya); background: var(--maya-soft); }
.role-option input { grid-row: 1 / 3; margin: 0; width: 18px; height: 18px; accent-color: var(--maya); }
.role-label { font-weight: 700; }
.role-desc { font-size: .84rem; color: var(--ink-soft); }
.teacher-fields { border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; margin: 0; display: grid; gap: 12px; background: var(--surface-2); min-width: 0; }
.teacher-fields legend { font-weight: 700; font-size: .9rem; padding: 0 4px; }
.teacher-fields p { margin: 0; }
.teacher-fields textarea { font: inherit; font-weight: 400; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--surface); color: var(--ink); resize: vertical; }
.flag-list li.is-good { background: var(--jade-soft); color: var(--jade); }
.hero-note a { color: #F2C14E; }

/* ---------- Pagos ---------- */
.paywall { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 16px 18px; margin-bottom: 18px; border-radius: var(--r-lg); background: var(--ocre-soft); border: 1px solid color-mix(in srgb, var(--ocre) 35%, transparent); }
.paywall > div { display: grid; gap: 2px; min-width: 0; flex: 1 1 320px; }
.paywall span { color: var(--ocre-ink); font-size: .92rem; }
.plan-paid { margin: 0 0 10px; color: var(--jade); }
.plan-unpaid { margin: 0 0 10px; color: var(--grana); font-weight: 600; }

.pay-form { display: grid; gap: 18px; max-width: 860px; }
.pay-step { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 10px; }
.pay-step legend { font-weight: 700; font-size: 1.05rem; margin-bottom: 10px; padding: 0; display: flex; align-items: center; gap: 8px; }
.pay-num { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--maya); color: var(--primary-ink); font-size: .85rem; }
.plan-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.plan-option, .period-option { position: relative; display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: var(--r-lg); background: var(--surface); cursor: pointer; }
.plan-option:hover, .period-option:hover { border-color: var(--maya); }
.plan-option.is-selected, .period-option.is-selected { border-color: var(--maya); box-shadow: 0 0 0 2px color-mix(in srgb, var(--maya) 35%, transparent); background: color-mix(in srgb, var(--maya-soft) 50%, var(--surface)); }
.plan-option input, .period-option input { position: absolute; opacity: 0; pointer-events: none; }
.plan-option:focus-within, .period-option:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }
.plan-option-name { font-weight: 700; }
.plan-option-name small { font-weight: 500; color: var(--ink-soft); }
.plan-option-price { font-size: 1.4rem; font-weight: 750; letter-spacing: -0.02em; }
.plan-option-price small { font-size: .8rem; font-weight: 500; color: var(--ink-soft); letter-spacing: 0; }
.plan-option-facts { font-size: .84rem; color: var(--ink-soft); }
.period-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 520px) { .period-options { grid-template-columns: minmax(0, 1fr); } }
.period-name { font-weight: 700; }
.period-save { font-size: .78rem; font-weight: 700; color: var(--jade); }
.pay-summary { padding: 16px 18px; border-radius: var(--r-lg); background: var(--surface-2); display: grid; gap: 6px; }
.pay-summary > div { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.pay-summary p { margin: 0; }
.pay-total-label { font-weight: 600; }
.pay-total { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.pay-methods { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.pay-method { display: grid; gap: 4px; text-align: left; padding: 16px 18px; border-radius: var(--r-lg); border: 1px solid var(--maya); background: var(--maya); color: var(--primary-ink); font: inherit; cursor: pointer; }
.pay-method:hover:not(:disabled) { filter: brightness(1.08); }
.pay-method:disabled { opacity: .7; cursor: progress; }
.pay-method + .pay-method { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.pay-method-name { font-weight: 750; font-size: 1.05rem; }
.pay-method-desc { font-size: .86rem; opacity: .85; }

.pay-result { display: grid; place-items: start center; padding-top: 16px; }
.pay-result-card { width: min(100%, 560px); display: grid; gap: 12px; }
.pay-result-card h1 { font-size: 1.5rem; margin: 0; letter-spacing: -0.02em; }
.pay-result-card p { margin: 0; }
.pay-badge { justify-self: start; padding: 4px 12px; border-radius: 999px; font-size: .82rem; font-weight: 700; }
.pay-badge.ok { background: var(--jade-soft); color: var(--jade); }
.pay-badge.wait { background: var(--ocre-soft); color: var(--ocre-ink); }
.pay-badge.bad { background: var(--grana-soft); color: var(--grana); }
.pay-badge.muted { background: var(--surface-2); color: var(--ink-soft); }
.pay-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 6px 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
.pay-facts div { display: grid; }
.pay-facts dt { font-size: .78rem; color: var(--ink-soft); }
.pay-facts dd { margin: 0; font-weight: 600; }
.filters-inline { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.filters-inline a { padding: 6px 12px; border-radius: 999px; text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: .88rem; }
.filters-inline a.active, .filters-inline a:hover { background: var(--surface-2); color: var(--ink); }
.manual-pay { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.input-narrow { max-width: 130px; }
.pay-steps { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.pay-ref { font-family: var(--mono); font-size: 1.05rem; padding: 1px 8px; border-radius: 6px; background: var(--ocre-soft); color: var(--ocre-ink); }
.pay-result-card .row-actions form { margin: 0; }
.pay-admin-actions { display: flex; gap: 4px; }
.pay-admin-actions form { margin: 0; }
.copy-btn.is-primary { background: var(--maya); border-color: var(--maya); color: var(--primary-ink); }
.summary-sub { display: block; font-size: .78rem; color: var(--ink-soft); margin-top: 2px; }
.dup-warn { margin: 6px 0 0; padding: 8px 10px; border-radius: 8px; background: var(--ocre-soft); color: var(--ocre-ink); font-size: .88rem; font-weight: 600; }
form.inline { display: inline; margin: 0 0 0 6px; }

/* ---------------------------------------------------------------- administrador con control total */
.pill-admin { background: var(--ocre-soft); color: var(--ocre-ink); }
.btn-danger { background: var(--grana); border-color: var(--grana); color: #fff; }
.btn-danger:hover:not(:disabled) { background: color-mix(in srgb, var(--grana) 85%, #000); }
.stack-form { display: grid; gap: 10px; }
.stack-form > label:not(.check) { display: grid; gap: 4px; font-weight: 600; font-size: .92rem; }
.inline-form input[type="text"], .inline-form input[type="date"], .inline-form input[type="email"] { flex: 1 1 200px; width: auto; }
input[type="date"], input[type="number"] { padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface); color: var(--ink); font: inherit; }
.role-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.role-row:last-child { border-bottom: 0; }
.role-row p { margin: 2px 0 0; }
.secret-box { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.secret { font-size: 1rem; padding: 2px 8px; border-radius: 6px; background: var(--surface); user-select: all; word-break: break-all; }
.new-user-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 16px; }
.new-user-grid > label:not(.check) { display: grid; gap: 4px; font-weight: 600; font-size: .92rem; }
.plan-edit { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px 12px; align-items: end; }
.plan-edit label { display: grid; gap: 4px; font-weight: 600; font-size: .85rem; }
.plan-edit input { width: 100%; }
.plan-card-admin + .plan-card-admin { margin-top: 0; }
.plan-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.plan-head h3 { margin: 0; }
.admin-note { margin: 0 0 16px; }
.nu-checks { margin-top: 14px; }
.nu-actions { justify-content: flex-start; margin-top: 16px; }
.plan-edit-form { margin-bottom: 14px; }
.activity-meta { max-width: 420px; overflow-wrap: anywhere; }
.summary-date { font-size: 1.15rem; }
.admin-tabs { overflow-x: auto; }
.school-line { margin: 4px 0 2px; font-size: .92rem; }
.new-user-grid .span-2 { grid-column: 1 / -1; }
.link-btn { background: none; border: 0; padding: 0; color: var(--maya); font: inherit; font-weight: 600; cursor: pointer; text-decoration: underline; }
.code-input { text-transform: uppercase; letter-spacing: .12em; font-family: var(--mono); }
.school-code-card { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.school-code-card > div:first-child { display: grid; gap: 2px; flex: 1 1 280px; }
.school-code-card .row { display: flex; gap: 8px; }
.school-code-card input { width: 150px; }
.exam-intro { max-width: 640px; margin: 0 auto; }
.exam-intro h1 { margin: 6px 0 12px; }
.exam-rules { margin: 0 0 18px; padding-left: 20px; display: grid; gap: 6px; }
.exam-badge { background: var(--grana-soft); color: var(--grana); }
.exam-timer { margin: 4px 0 10px; padding: 8px 12px; border-radius: 10px; background: var(--surface-2); font-size: 1rem; }
.exam-timer strong { font-family: var(--mono); font-size: 1.15rem; }
.exam-timer.is-low { background: var(--grana-soft); color: var(--grana); }
.cell-copy { position: relative; outline: 2px solid var(--grana); outline-offset: 1px; }
.copy-flag { position: absolute; top: -7px; right: -7px; width: 15px; height: 15px; border-radius: 50%; background: var(--grana); color: #fff; font-size: .68rem; font-weight: 800; line-height: 15px; text-align: center; }
.exam-chip { display: inline-block; padding: 0 7px; border-radius: 999px; background: var(--grana-soft); color: var(--grana); font-weight: 700; font-size: .78rem; }
.assign-exam { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.assign-minutes { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: .9rem; }
.assign-minutes input { width: 80px; }
.assign-exam-off { align-self: center; }
.copy-note { display: inline-block; margin-top: 3px; font-size: .74rem; font-weight: 700; color: var(--grana); }
.invite-card { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; }
.invite-card > div:first-child { flex: 1 1 320px; }
.invite-card h3 { margin: 0 0 4px; }
.invite-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.invite-code { font-size: 1.25rem; font-weight: 700; letter-spacing: .14em; padding: 4px 12px; border-radius: 8px; background: var(--surface-2); }
/* ---------------------------------------------------------------- página para escuelas */
.pricing-hero { text-align: center; max-width: 720px; margin: 8px auto 28px; }
.pricing-hero .eyebrow { margin: 0; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; color: var(--maya); }
.pricing-hero h1 { margin: 6px 0 10px; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.pricing-hero .lead { color: var(--ink-soft); font-size: 1.05rem; margin: 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 18px; }
.price-card { display: flex; flex-direction: column; gap: 8px; margin: 0; }
.price-card h2 { margin: 0; font-size: 1.25rem; }
.price-card .pill { align-self: flex-start; }
.price-card.is-featured { border-color: var(--maya); box-shadow: 0 0 0 1px var(--maya); }
.price { margin: 0; font-size: 1.7rem; font-weight: 800; }
.price small { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
.price-list { list-style: none; padding: 0; margin: 4px 0 12px; display: grid; gap: 4px; flex: 1; font-size: .93rem; }
.pricing-features h2 { margin-top: 0; font-size: 1.2rem; }
.feature-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 8px 20px; padding-left: 18px; margin: 0 0 12px; }
.price-list { align-content: start; }
.price small { display: block; margin-top: 2px; }
/* ---------------------------------------------------------------- reportes */
.report-card h3 { margin: 6px 0 8px; font-size: 1.05rem; }
.report-card.is-closed { opacity: .75; }
.report-head { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.report-kind { padding: 1px 9px; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.kind-commercial_use { background: var(--grana-soft); color: var(--grana); }
.kind-new_domain { background: var(--ocre-soft); color: var(--ocre-ink); }
.report-signals { margin: 0 0 12px; padding-left: 20px; display: grid; gap: 3px; font-size: .92rem; }
.report-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.report-approve .row input { width: 220px; }
.legal { max-width: 760px; margin: 0 auto; line-height: 1.6; }
.legal h1 { margin-top: 0; }
.legal h2 { font-size: 1.1rem; margin: 22px 0 6px; }
.legal ul { padding-left: 20px; display: grid; gap: 6px; }
.admin-tabs { flex-wrap: nowrap; } .admin-tabs a { white-space: nowrap; flex-shrink: 0; }

/* ---------------------------------------------------------------- administración: menú lateral */
.main-admin { max-width: 1360px; }
.admin-shell { display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 32px; align-items: start; }
.admin-main { min-width: 0; }
.admin-side { position: sticky; top: 20px; display: grid; gap: 14px; padding: 14px 10px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); max-height: calc(100vh - 40px); overflow-y: auto; }
.side-search input { width: 100%; padding: 8px 11px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink); font: inherit; font-size: .9rem; }
.side-search input:focus { outline: none; border-color: var(--maya); background: var(--surface); }
.side-group { display: grid; gap: 2px; }
.side-group + .side-group { margin-top: 10px; }
.adm-group-title { margin: 0 0 4px; padding: 0 10px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.side-link { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 10px; border-radius: 9px; color: var(--ink); text-decoration: none; font-weight: 550; font-size: .93rem; }
.side-link:hover { background: var(--surface-2); }
.side-link.active { background: var(--maya-soft); color: var(--maya-800); font-weight: 700; }
.side-badge { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--grana); color: #fff; font-size: .72rem; font-weight: 800; line-height: 20px; text-align: center; }
.admin-mobile-nav { display: none; }
@media (max-width: 900px) {
  .admin-shell { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .admin-side { display: none; }
  .admin-mobile-nav { display: block; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
  .admin-mobile-nav summary { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px; font-weight: 700; cursor: pointer; list-style: none; }
  .admin-mobile-nav summary::-webkit-details-marker { display: none; }
  .admin-mobile-nav summary::after { content: '▾'; color: var(--ink-soft); }
  .admin-mobile-nav[open] summary::after { content: '▴'; }
  .admin-mobile-nav nav { padding: 0 8px 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
}

/* ---------------------------------------------------------------- base del sistema: diagrama */
.erd-card { padding: 0; overflow: hidden; }
.erd-toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.erd-areas, .erd-tools { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.erd-tools input[type="search"] { width: 160px; padding: 6px 10px; border-radius: 9px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: inherit; font-size: .88rem; }
.erd-toggle { font-size: .86rem; font-weight: 600; padding: 0 4px; }
.erd-chip { --c: var(--ink-soft); display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft); font: inherit; font-size: .8rem; font-weight: 650; cursor: pointer; }
.erd-chip::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--c); opacity: .35; }
.erd-chip.is-on { color: var(--ink); border-color: var(--c); }
.erd-chip.is-on::before { opacity: 1; }
.area-cuentas { --c: #1F7A8C; }
.area-bases { --c: #6D5BD0; }
.area-pagos { --c: #C47F0E; }
.area-escuela { --c: #1C7C54; }
.area-retos { --c: #B3203A; }
.area-otras { --c: #6B7785; }
.erd-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; min-height: 560px; }
.erd-canvas { position: relative; overflow: auto; max-height: 72vh; background-color: var(--surface-2); background-image: radial-gradient(color-mix(in srgb, var(--ink) 12%, transparent) 1px, transparent 1px); background-size: 18px 18px; cursor: default; }
.erd-canvas:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.erd-stage { position: relative; transform-origin: 0 0; min-width: 100%; }
.erd-lines { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
.erd-line { fill: none; stroke: color-mix(in srgb, var(--ink) 35%, transparent); stroke-width: 1.4; transition: stroke .15s, opacity .15s; }
.erd-dot { fill: color-mix(in srgb, var(--ink) 45%, transparent); }
.erd-line.is-hot { stroke: var(--maya); stroke-width: 2.4; }
.erd-dot.is-hot { fill: var(--maya); }
.erd-line.is-dim, .erd-dot.is-dim { opacity: .12; }
.erd-line.is-hidden, .erd-dot.is-hidden { display: none; }
.erd-table { position: absolute; width: 232px; border-radius: 11px; background: var(--surface); border: 1px solid var(--line-strong); box-shadow: 0 1px 2px rgba(15, 30, 40, .06), 0 4px 14px rgba(15, 30, 40, .06); overflow: hidden; transition: opacity .15s, box-shadow .15s; user-select: none; }
.erd-table.is-hidden { display: none; }
.erd-table.is-dim { opacity: .35; }
.erd-table.is-selected { box-shadow: 0 0 0 2px var(--c), 0 8px 24px rgba(15, 30, 40, .16); opacity: 1; }
.erd-table.is-match { box-shadow: 0 0 0 3px var(--focus); }
.erd-table.is-dragging { box-shadow: 0 12px 30px rgba(15, 30, 40, .22); z-index: 5; }
.erd-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 10px; background: color-mix(in srgb, var(--c) 14%, var(--surface)); border-bottom: 2px solid var(--c); cursor: grab; touch-action: none; }
.erd-table.is-dragging .erd-head { cursor: grabbing; }
.erd-name { font-family: var(--mono); font-weight: 700; font-size: .84rem; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.erd-rows { font-size: .72rem; font-weight: 700; color: var(--ink-soft); background: var(--surface); padding: 0 6px; border-radius: 999px; }
.erd-cols { list-style: none; margin: 0; padding: 3px 0; }
.erd-cols li { display: flex; justify-content: space-between; gap: 8px; padding: 2px 10px; font-family: var(--mono); font-size: .74rem; line-height: 1.55; }
.erd-col { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.erd-type { color: var(--ink-soft); flex-shrink: 0; }
.erd-cols li.is-pk .erd-col { font-weight: 700; }
.erd-cols li.is-fk .erd-col { color: var(--maya-800); }
.erd-more { color: var(--ink-soft); font-style: italic; }
.erd-detail { border-left: 1px solid var(--line); padding: 16px; overflow-y: auto; max-height: 72vh; background: var(--surface); }
.erd-detail h3 { margin: 0 0 4px; }
.erd-detail-actions { display: flex; gap: 6px; margin: 10px 0 12px; }
.erd-detail-cols { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.erd-detail-cols li { display: grid; gap: 1px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.erd-detail-cols li .link-btn { justify-self: start; }
.erd-incoming { margin-top: 12px; }
.mono-title { font-family: var(--mono); }
.data-table td { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: .8rem; }
.data-table td.null { color: var(--ink-soft); font-style: italic; }
@media (max-width: 1100px) {
  .erd-body { grid-template-columns: minmax(0, 1fr); }
  .erd-detail { border-left: 0; border-top: 1px solid var(--line); max-height: none; }
}
@media (max-width: 900px) {
  .admin-mobile-nav summary { justify-content: flex-start; }
  .admin-mobile-nav summary::after { margin-left: auto; }
  .admin-mobile-nav nav { align-items: start; align-content: start; }
  .admin-mobile-nav .side-group + .side-group { margin-top: 0; }
}

/* ---------------------------------------------------------------- página de inicio */
.paths { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.path-card { display: flex; flex-direction: column; gap: 6px; padding: 24px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.path-card h3 { font-size: 1.3rem; margin: 4px 0 0; }
.path-card > p { color: var(--ink-soft); margin: 0; }
.path-card .checklist { margin: 12px 0 18px; flex: 1; font-size: .94rem; }
.path-card .btn { align-self: flex-start; }
.path-tag { align-self: flex-start; padding: 2px 10px; border-radius: 999px; background: var(--ocre-soft); color: var(--ocre-ink); font-size: .8rem; font-weight: 700; }
.path-tag.tag-free { background: var(--jade-soft); color: var(--jade); }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature { padding: 22px 24px; border-radius: var(--r-lg); background: var(--bg); border: 1px solid var(--line); }
.feature h3 { font-size: 1.1rem; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.feature ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; color: var(--ink-soft); font-size: .95rem; }
.feature-ai { background: color-mix(in srgb, var(--maya) 7%, var(--surface)); border-color: color-mix(in srgb, var(--maya) 30%, var(--line)); }
.plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan-box { position: relative; display: flex; flex-direction: column; padding: 24px 22px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.plan-box.is-featured { border-color: var(--maya); box-shadow: 0 0 0 1px var(--maya), 0 10px 30px rgba(15, 59, 71, .10); }
.plan-flag { position: absolute; top: -11px; left: 22px; }
.plan-box h3 { margin: 0; font-size: 1.25rem; }
.plan-for { margin: 2px 0 12px; color: var(--ink-soft); font-size: .92rem; }
.plan-price { margin: 0; font-size: 2rem; font-weight: 800; letter-spacing: -.02em; }
.plan-price small { font-size: .82rem; font-weight: 600; color: var(--ink-soft); letter-spacing: 0; }
.plan-sub { margin: 4px 0 14px; min-height: 2.6em; }
.plan-list { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 7px; flex: 1; font-size: .93rem; border-top: 1px solid var(--line); padding-top: 14px; }
.plan-list li { padding-left: 22px; position: relative; }
.plan-list li::before { content: '✓'; position: absolute; left: 0; color: var(--jade); font-weight: 800; }
.plan-list li.is-off { color: var(--ink-soft); }
.plan-list li.is-off::before { content: '—'; color: var(--ink-soft); }
.plan-list li.is-note { color: var(--ink-soft); font-size: .85rem; }
.plan-list li.is-note::before { content: 'i'; font-style: italic; color: var(--ocre-ink); }
.plan-notes { margin-top: 26px; display: grid; gap: 6px; max-width: 860px; color: var(--ink-soft); font-size: .95rem; }
.plan-notes p { margin: 0; }
.school-strip { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 28px; padding: 24px 28px; border-radius: var(--r-lg); background: var(--maya-900); color: #EAF2F3; }
.school-strip h3 { margin: 0 0 4px; color: #fff; }
.school-strip p { margin: 0; color: #BFD6DB; max-width: 70ch; }
.school-strip strong { color: #fff; }
.faq-wrap .band-head { margin-bottom: 20px; }
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.faq summary { padding: 16px 20px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--maya); font-weight: 800; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--ink-soft); }
@media (max-width: 1000px) {
  .paths, .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .paths, .plan-grid, .features { grid-template-columns: minmax(0, 1fr); }
  .plan-sub { min-height: 0; }
  .school-strip { padding: 22px; }
}
.path-card .checklist, .plan-list { align-content: start; }
.free-plan { border-color: color-mix(in srgb, var(--ocre) 45%, var(--line)); background: color-mix(in srgb, var(--ocre) 6%, var(--surface)); }
.free-plan-head { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: flex-start; justify-content: space-between; }
.free-plan h2 { margin: 0 0 2px; font-size: 1.15rem; }
.free-meters { list-style: none; padding: 0; margin: 14px 0 10px; display: flex; flex-wrap: wrap; gap: 10px; }
.free-meters li { display: grid; gap: 2px; padding: 10px 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); min-width: 150px; }
.free-meters span { font-size: .8rem; color: var(--ink-soft); font-weight: 600; }
.free-meters strong { font-size: 1.05rem; }
.free-unlock { margin: 0; color: var(--ink-soft); }
.btn-locked { opacity: .75; }
.btn-locked::before { content: '🔒 '; }
/* Comparación profesor gratis / licencia */
.path-more { font-size: .86rem; color: var(--ink-soft); margin: -8px 0 14px !important; }
.teacher-compare { margin-top: 32px; padding: 26px 28px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.teacher-compare-head { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; }
.teacher-compare-head h3 { margin: 0 0 4px; font-size: 1.3rem; }
.teacher-compare-head p { margin: 0; max-width: 64ch; }
.pricing-compare { margin-bottom: 18px; }
.pricing-compare h2 { margin-top: 0; font-size: 1.2rem; }
.compare-wrap { overflow-x: auto; }
.compare { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .94rem; }
.compare th, .compare td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { font-size: 1rem; border-bottom: 2px solid var(--line-strong); }
.compare thead th small { display: block; font-size: .8rem; font-weight: 600; color: var(--ink-soft); }
.compare tbody th { font-weight: 550; color: var(--ink); }
.compare td { width: 26%; }
.compare .is-lic { background: color-mix(in srgb, var(--maya) 7%, transparent); }
.compare thead .is-lic { border-top-left-radius: 10px; border-top-right-radius: 10px; color: var(--maya-800); }
.compare .yes { color: var(--jade); font-weight: 800; }
.compare .no { color: var(--ink-soft); }
@media (max-width: 640px) {
  .teacher-compare { padding: 20px 16px; }
  .compare th, .compare td { padding: 9px 8px; }
  .compare td { width: auto; }
}
.school-code-card { margin-bottom: 18px; }
.storage-full { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; }
.legal-missing { background: var(--grana-soft); color: var(--grana); padding: 0 6px; border-radius: 6px; font-weight: 700; }
/* ---------------------------------------------------------------- verificación en dos pasos */
.otp-input { font-family: var(--mono); letter-spacing: .25em; font-size: 1.1rem; }
.setup-steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 22px; }
.setup-steps > li { counter-increment: s; position: relative; padding-left: 46px; }
.setup-steps > li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--maya); color: #fff; font-weight: 800; display: grid; place-items: center; }
.setup-steps h3 { margin: 3px 0 4px; font-size: 1.05rem; }
.qr-box { width: 236px; height: 236px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 12px; margin: 8px 0; }
.qr-box img { display: block; width: 220px; height: 220px; image-rendering: pixelated; }
.secret-key { font-size: 1rem; letter-spacing: .08em; word-break: break-all; }
.recovery-card { border-color: color-mix(in srgb, var(--ocre) 50%, var(--line)); }
.recovery-card h2 { margin-top: 0; font-size: 1.15rem; }
.recovery-codes { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; padding-left: 22px; margin: 12px 0; }
.recovery-codes code { font-size: 1rem; letter-spacing: .06em; }
.recovery-actions { justify-content: flex-start; }
.setup-2fa .inline-form .row input, .card .inline-form .row .otp-input { flex: 0 1 200px; }

/* Administración → Producción */
.preflight-table { table-layout: fixed; width: 100%; }
.preflight-table .preflight-st { width: 140px; }
@media (max-width: 560px) { .preflight-table .preflight-st { width: 112px; } }

/* Botón de PayPal: amarillo de PayPal con su logo oficial (servido por PayPal) */
.pay-method.pay-method-paypal { background: #FFC439; border-color: #F2B424; color: #111; }
.pay-method.pay-method-paypal:hover:not(:disabled) { filter: none; background: #F2BA36; }
.pay-method-paypal .pay-method-desc { opacity: .8; }
.paypal-logo { display: block; height: 24px; width: auto; }
.btn-paypal { display: inline-flex; align-items: center; gap: 8px; background: #FFC439; border: 1px solid #F2B424; color: #111; font-weight: 650; }
.btn-paypal:hover { background: #F2BA36; color: #111; }
.btn-paypal .paypal-logo { height: 20px; }

/* Administración → Resumen: cupo del servidor */
.cap-title { margin: 18px 0 8px; font-size: .95rem; }
.cap-list { display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; align-items: center; margin: 0; }
.cap-list dt { font-size: .86rem; color: var(--ink-soft); }
.cap-list dd { margin: 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cap-list meter { width: 140px; }

/* ---------- Menú de clientes en celular: barra inferior con iconos ---------- */
.tabbar { display: none; }
@media (max-width: 720px) {
  body.has-tabbar { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .has-tabbar .nav .nav-client { display: none; }
  /* Arriba solo queda la marca y el plan (toca para ir a tu cuenta) */
  .has-tabbar .nav .nav-user { display: inline-flex; align-items: center; padding: 6px; }
  .has-tabbar .nav .nav-user-name { display: none; }
  .has-tabbar .topbar-inner { min-height: 56px; }
  .tabbar {
    display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 6px max(8px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
    border-top: 1px solid var(--line);
  }
  .tabbar-item {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-height: 54px; padding: 4px 2px; border-radius: 12px;
    color: var(--ink-soft); text-decoration: none; font-size: .72rem; font-weight: 650; letter-spacing: .01em;
    -webkit-tap-highlight-color: transparent;
  }
  .tabbar-item svg { width: 24px; height: 24px; }
  .tabbar-item:active { background: var(--surface-2); }
  .tabbar-item.active { color: var(--maya); }
  .tabbar-item.active svg { stroke-width: 2.2; }
  .tabbar-item:focus-visible { outline: 2px solid var(--maya); outline-offset: -2px; }
  /* El pie de página queda arriba de la barra */
  .has-tabbar .footer { padding-bottom: 12px; }
}
/* En pantallas táctiles no hay Ctrl + Enter */
@media (pointer: coarse) { .editor-foot .hint, .hint-kbd { display: none; } }
.account-logout { margin-top: 16px; }
@media (min-width: 721px) { .account-logout { display: none; } }

/* ---------- Recibo de pago ---------- */
.receipt-page { max-width: 640px; margin: 0 auto; }
.receipt-actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 14px; }
.receipt { padding: 28px; }
.receipt-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.receipt-brand { font-size: 1.05rem; }
.receipt-folio { text-align: right; }
.receipt-folio h1 { font-size: 1.3rem; margin: 0; }
.receipt-folio p { margin: 2px 0 0; font-family: var(--mono); font-size: .9rem; }
.receipt-rows { display: grid; grid-template-columns: max-content 1fr; gap: 0 18px; margin: 0; }
.receipt-rows dt, .receipt-rows dd { padding: 11px 0; border-bottom: 1px solid var(--line); margin: 0; }
.receipt-rows dt { color: var(--ink-soft); font-size: .92rem; }
.receipt-rows dd { overflow-wrap: anywhere; }
.receipt-total { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 16px 0 6px; }
.receipt-total span { font-weight: 700; }
.receipt-total strong { font-size: 1.5rem; color: var(--maya); }
.receipt-note { margin: 14px 0 0; }
@media (max-width: 560px) {
  .receipt { padding: 20px 16px; }
  .receipt-head { flex-direction: column; }
  .receipt-folio { text-align: left; }
  .receipt-rows { grid-template-columns: 1fr; }
  .receipt-rows dt { border-bottom: 0; padding-bottom: 0; font-size: .82rem; }
  .receipt-rows dd { padding-top: 2px; }
}
@media print {
  .topbar, .tabbar, .footer, .no-print { display: none !important; }
  body, body.has-tabbar { background: #fff; padding: 0; }
  .main { padding: 0; }
  .receipt { border: 0; box-shadow: none; padding: 0; }
  .receipt-total strong { color: #000; }
}

/* ---------- Atención al cliente ---------- */
.support { max-width: 860px; margin: 0 auto; display: grid; gap: 18px; }
.support-head h1 { margin-bottom: 6px; }
.support-channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.support-channel { display: flex; flex-direction: column; gap: 6px; }
.support-channel h2 { font-size: 1rem; margin: 0; color: var(--ink-soft); }
.support-value { font-size: 1.25rem; font-weight: 700; margin: 0 0 8px; overflow-wrap: anywhere; }
.support-value a { color: var(--ink); text-decoration: none; }
.support-channel .btn { margin-top: auto; }
.support-list, .support-links { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.support-legal { text-align: center; margin: 0; }
.pricing-contact { text-align: center; margin: 4px 0 0; }
.account-help { margin: 14px 0 0; }
.fresh-start { border-color: color-mix(in srgb, var(--grana) 35%, var(--line)); }
.fresh-list { margin: 0 0 14px; padding-left: 1.2em; display: grid; gap: 4px; }
.fresh-form label { display: block; margin-bottom: 6px; font-weight: 600; }
.fresh-form .row { display: flex; gap: 10px; flex-wrap: wrap; }
.fresh-form input { flex: 1 1 180px; max-width: 240px; font-family: var(--mono); }