/* Tipografías incluidas en la app (vendor/fonts, SIL OFL 1.1): funcionan sin conexión */
@font-face { font-family: 'Inter'; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url('../vendor/fonts/inter-latin-ext.woff2') format('woff2-variations'), url('../vendor/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Inter'; font-style: normal; font-display: swap; font-weight: 100 900;
  src: url('../vendor/fonts/inter-latin.woff2') format('woff2-variations'), url('../vendor/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-display: swap; font-weight: 100 800;
  src: url('../vendor/fonts/jetbrains-mono-latin-ext.woff2') format('woff2-variations'), url('../vendor/fonts/jetbrains-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-display: swap; font-weight: 100 800;
  src: url('../vendor/fonts/jetbrains-mono-latin.woff2') format('woff2-variations'), url('../vendor/fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* ==========================================================================
   LunaPy — sistema visual
   ========================================================================== */

:root {
  /* Zonas seguras del iPhone (muesca, Dynamic Island, barra de estado en la app instalada) */
  --sat: env(safe-area-inset-top, 0px); --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px); --sal: env(safe-area-inset-left, 0px);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;
  --radius: 14px;
  --radius-sm: 9px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --sidebar: 244px;

  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface-2: #f0f2f8;
  --surface-3: #e7eaf3;
  --border: #e2e5ee;
  --border-strong: #cdd2e0;
  --text: #141a2e;
  --muted: #5b6380;
  --faint: #696e81;
  --accent: #4f5dff;
  --accent-hover: #3f4cf0;
  --accent-soft: #eceeff;
  --accent-text: #ffffff;
  --xp: #e8960c;
  --xp-soft: #fff4dc;
  --xp-text: #996308;
  --streak: #b04a23;
  --streak-soft: #ffe9dc;
  --ok: #0c7c4e;
  --ok-soft: #e3f7ee;
  --err: #c3393e;
  --err-soft: #fdecec;
  --warn: #9d6000;
  --warn-soft: #fff3dc;
  --info: #246abf;
  --info-soft: #e6f0fd;
  --shadow: 0 1px 2px rgba(20, 26, 46, .05), 0 6px 20px rgba(20, 26, 46, .06);
  --shadow-lg: 0 20px 50px rgba(20, 26, 46, .16);

  /* Los paneles de código son oscuros en ambos temas */
  --code-bg: #10152a;
  --code-bg-2: #171d36;
  --code-border: #262d4d;
  --code-text: #dfe3f5;
  --code-muted: #6c7497;
  --syn-kw: #c792ea;
  --syn-str: #a5e07a;
  --syn-num: #f9a95b;
  --syn-fn: #6fb6ff;
  --syn-com: #6c7497;
  --syn-op: #89ddff;
}

[data-theme="dark"] {
  --bg: #0a0d18;
  --surface: #11152a;
  --surface-2: #171c35;
  --surface-3: #1f2542;
  --border: #232946;
  --border-strong: #323a5e;
  --text: #e9ebf7;
  --muted: #a0a7c4;
  --faint: #7f86a3;
  --accent: #7c87ff;
  --accent-hover: #929bff;
  --accent-soft: #1e2350;
  --accent-text: #0b0e1d;
  --xp: #f5b23d;
  --xp-soft: #2e2512;
  --xp-text: #f5b23d;
  --streak: #f07a4a;
  --streak-soft: #3a1f12;
  --ok: #3ccf8e;
  --ok-soft: #0f2b21;
  --err: #ff6b70;
  --err-soft: #34161a;
  --warn: #f2b04a;
  --warn-soft: #30230d;
  --info: #69a9ff;
  --info-soft: #132440;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, .5);
  --code-bg: #0b0f1f;
  --code-bg-2: #12172b;
  --code-border: #222944;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.015em; }
h1 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 800; }
h2 { font-size: 1.35rem; font-weight: 700; }
h3 { font-size: 1.08rem; font-weight: 700; }
p { margin: 0 0 .9em; }
a { color: var(--accent); }
code, kbd, pre { font-family: var(--mono); }
:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .05em .4em;
  font-size: .88em;
}
kbd {
  font-size: .78em;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0 .35em;
  background: var(--surface);
}
button { font-family: inherit; font-size: inherit; color: inherit; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; border-radius: 8px; }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.boot { display: grid; place-items: center; min-height: 100vh; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Layout ---------- */
.app { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; min-height: 100dvh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px;
  padding: calc(20px + var(--sat)) 14px calc(20px + var(--sab)) calc(14px + var(--sal));
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; text-decoration: none; color: var(--text); }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; flex: none; }
.brand-name { font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }
.brand-sub { display: block; font-size: .72rem; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; border-radius: 10px;
  color: var(--muted); text-decoration: none; font-weight: 550; font-size: .95rem;
  transition: background .15s, color .15s;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: var(--accent-soft); color: var(--accent); }
.nav-link .badge-dot { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 99px; background: var(--xp); color: #1a1200; font-size: .72rem; font-weight: 700; display: grid; place-items: center; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.engine-pill { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--muted); padding: 8px 12px; border-radius: 10px; background: var(--surface-2); }
.engine-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); flex: none; }
.engine-pill .dot.ready { background: var(--ok); }
.engine-pill .dot.loading { background: var(--xp); animation: pulse 1.2s infinite; }
.engine-pill .dot.error { background: var(--err); }
@keyframes pulse { 50% { opacity: .35; } }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px; justify-content: flex-end;
  padding: calc(12px + var(--sat)) calc(32px + var(--sar)) 12px 32px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.topbar .brand { display: none; padding: 0; margin-right: auto; }
.stat-chip { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .9rem; padding: 6px 12px; border-radius: 99px; background: var(--surface); border: 1px solid var(--border); }
.stat-chip.streak { color: var(--streak); }
.stat-chip.xp { color: var(--xp-text); }
.stat-chip.level { color: var(--accent); }
.icon-btn { border: 1px solid var(--border); background: var(--surface); width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; cursor: pointer; color: var(--muted); }
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.content { padding: 8px 32px 64px; max-width: 1180px; width: 100%; margin: 0 auto; }
.content.wide { max-width: 1400px; }
.bottom-nav { display: none; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .topbar { padding: calc(10px + var(--sat)) calc(16px + var(--sar)) 10px calc(16px + var(--sal)); }
  .topbar .brand { display: flex; }
  .topbar .brand-sub { display: none; }
  .content { padding: 8px calc(16px + var(--sar)) calc(96px + var(--sab)) calc(16px + var(--sal)); }
  .bottom-nav {
    display: grid; grid-template-columns: repeat(5, 1fr);
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
    background: var(--surface); border-top: 1px solid var(--border);
    padding: 6px calc(4px + var(--sar)) calc(6px + var(--sab)) calc(4px + var(--sal));
  }
  .bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .68rem; font-weight: 600; color: var(--muted); text-decoration: none; padding: 4px 0; border-radius: 10px; }
  .bottom-nav a.active { color: var(--accent); }
  .hide-mobile { display: none !important; }
}
@media (max-width: 520px) {
  .stat-chip.level { display: none; }
  .stat-chip { padding: 5px 9px; font-size: .82rem; }
}

/* ---------- Primitivas ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card.flat { box-shadow: none; }
.card-title { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1rem; margin-bottom: 14px; }
.card-title .muted { font-weight: 500; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: .86rem; }
.tiny { font-size: .76rem; }
.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.grid { display: grid; gap: 18px; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.page-head { margin: 18px 0 24px; }
.page-head p { color: var(--muted); max-width: 680px; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  padding: 9px 16px; border-radius: 10px; font-weight: 600; font-size: .92rem;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .12s var(--ease), background .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { border-color: var(--faint); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 30%, transparent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.lg { padding: 13px 22px; font-size: 1rem; border-radius: 12px; }
.btn.sm { padding: 6px 11px; font-size: .84rem; border-radius: 8px; }
.btn.run { background: #17b26a; border-color: #17b26a; color: #fff; }
.btn.run:hover { background: #12a05e; }

.tag { display: inline-flex; align-items: center; gap: 5px; font-size: .74rem; font-weight: 650; padding: 3px 9px; border-radius: 99px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.tag.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.tag.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.tag.err { background: var(--err-soft); color: var(--err); border-color: transparent; }
.tag.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.xp { background: var(--xp-soft); color: var(--xp-text); border-color: transparent; }
.tag.info { background: var(--info-soft); color: var(--info); border-color: transparent; }

.progress { height: 8px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: inherit; background: var(--accent); transition: width .6s var(--ease); }
.progress.xp > span { background: linear-gradient(90deg, var(--xp), #ffc65c); }
.progress.ok > span { background: var(--ok); }

.demo-note { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; color: var(--warn); background: var(--warn-soft); padding: 3px 9px; border-radius: 99px; font-weight: 600; }

/* ---------- Dashboard ---------- */
.hero {
  position: relative; overflow: hidden;
  border-radius: 20px; padding: 30px 32px;
  background: linear-gradient(135deg, var(--hero-1) 0%, var(--hero-2) 55%, var(--hero-3) 100%);
  color: #fff;
  box-shadow: 0 14px 40px color-mix(in srgb, var(--hero-1) 30%, transparent);
}
.hero::after { content: ''; position: absolute; right: -60px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.22), transparent 65%); }
.hero h1 { color: #fff; margin-bottom: 6px; }
.hero p { color: rgba(255,255,255,.86); max-width: 560px; }
.hero .btn.primary { background: #fff; color: var(--accent-ink); border-color: #fff; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.hero .btn.primary:hover { background: #fff; filter: brightness(.96); }
.hero .btn.glass { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); color: #fff; }
.hero-mod { display: inline-flex; gap: 8px; align-items: center; font-size: .82rem; font-weight: 600; background: rgba(255,255,255,.16); padding: 4px 12px; border-radius: 99px; margin-bottom: 14px; }
.hero-progress { margin-top: 18px; max-width: 420px; }
.hero-progress .progress { background: rgba(255,255,255,.22); }
.hero-progress .progress > span { background: #fff; }
.hero-code { position: absolute; right: 30px; bottom: 26px; font-family: var(--mono); font-size: .82rem; background: rgba(10, 12, 40, .35); border: 1px solid rgba(255,255,255,.18); border-radius: 12px; padding: 12px 16px; line-height: 1.7; color: #e9ebff; z-index: 1; }
@media (max-width: 1000px) { .hero-code { display: none; } }

.dash-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; margin-top: 20px; }
.span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; } .span-7 { grid-column: span 7; } .span-8 { grid-column: span 8; } .span-12 { grid-column: span 12; }
@media (max-width: 1100px) { .span-3, .span-4, .span-5, .span-7 { grid-column: span 6; } .span-8 { grid-column: span 12; } }
@media (max-width: 720px) { .dash-grid > * { grid-column: span 12 !important; } .hero { padding: 24px 20px; } }

.kpi { display: flex; align-items: center; gap: 14px; }
.kpi-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.kpi-value { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.kpi-label { font-size: .82rem; color: var(--muted); }

.ring { position: relative; width: 104px; height: 104px; flex: none; }
.ring svg { transform: rotate(-90deg); }
.ring .ring-label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; font-weight: 800; font-size: 1.15rem; line-height: 1.1; }
.ring .ring-label small { display: block; font-size: .7rem; color: var(--muted); font-weight: 600; }

.mission { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.mission:last-child { border-bottom: 0; }
.check-circle { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--border-strong); display: grid; place-items: center; flex: none; color: #fff; }
.check-circle.done { background: var(--ok); border-color: var(--ok); animation: pop .35s var(--ease); }
@keyframes pop { 0% { transform: scale(.6); } 70% { transform: scale(1.15); } 100% { transform: scale(1); } }

.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; align-items: end; height: 120px; margin-top: 8px; }
.week-col { display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.week-bar { width: 100%; max-width: 30px; border-radius: 6px 6px 3px 3px; background: var(--accent); min-height: 3px; transition: height .6s var(--ease); }
.week-bar.empty { background: var(--surface-3); }
.week-col.today .week-day { color: var(--accent); font-weight: 800; }
.week-day { font-size: .72rem; color: var(--muted); font-weight: 600; }
.week-val { font-size: .68rem; color: var(--faint); font-weight: 600; min-height: 1em; }

/* ---------- Mapa ---------- */
.path { position: relative; display: flex; flex-direction: column; gap: 18px; }
.module-card { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 18px; position: relative; }
.module-node { position: relative; display: flex; flex-direction: column; align-items: center; }
.module-node::after { content: ''; position: absolute; top: 64px; bottom: -18px; width: 3px; background: var(--border); border-radius: 3px; }
.module-card:last-child .module-node::after { display: none; }
.module-badge { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; font-weight: 800; font-size: 1.2rem; background: var(--surface); border: 2px solid var(--border); color: var(--muted); z-index: 1; }
.module-card.current .module-badge { background: var(--accent); border-color: var(--accent); color: var(--accent-text); box-shadow: 0 0 0 6px var(--accent-soft); }
.module-card.done .module-badge { background: var(--ok); border-color: var(--ok); color: #fff; }
.module-card.locked .module-badge { border-style: dashed; }
.module-body { padding: 18px 20px; }
.module-card.locked .module-body { opacity: .86; }
.lesson-list { display: grid; gap: 8px; margin-top: 14px; }
.lesson-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); border: 1px solid transparent; text-decoration: none; color: var(--text); font-size: .92rem; }
a.lesson-item:hover { border-color: var(--accent); background: var(--accent-soft); }
.lesson-item .li-icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--surface); flex: none; color: var(--muted); }
.lesson-item.available .li-icon { background: var(--accent); color: var(--accent-text); }
.lesson-item.completed .li-icon { background: var(--ok); color: #fff; }
.lesson-item.pending { color: var(--muted); }
.book-ref { font-size: .78rem; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.details-toggle { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 600; cursor: pointer; font-size: .85rem; }

/* ---------- Lección ---------- */
.lesson-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; align-items: start; }
.lesson-toc { position: sticky; top: calc(76px + var(--sat)); }
.toc-item { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 9px; font-size: .86rem; color: var(--muted); cursor: pointer; border: 0; background: none; width: 100%; text-align: left; }
.toc-item:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.toc-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.toc-item:disabled { cursor: not-allowed; opacity: .55; }
.toc-dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); flex: none; display: grid; place-items: center; font-size: .66rem; font-weight: 800; color: var(--muted); }
.toc-item.done .toc-dot { background: var(--ok); border-color: var(--ok); color: #fff; }
.toc-item.active .toc-dot { border-color: var(--accent); color: var(--accent); }
.toc-kind { margin-left: auto; }
@media (max-width: 1000px) { .lesson-shell { grid-template-columns: minmax(0, 1fr); } .lesson-toc { display: none; } }

.lesson-progress-top { display: flex; align-items: center; gap: 12px; margin: 10px 0 18px; }
.lesson-progress-top .progress { flex: 1; }
.step-card { padding: 30px 34px; animation: slideIn .35s var(--ease); }
@keyframes slideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (max-width: 640px) { .step-card { padding: 22px 18px; } }
.step-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 16px; }
.step-body > * + * { margin-top: 16px; }
.step-body p { margin: 0; }
.step-body p + p { margin-top: 12px; }
.step-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--border); flex-wrap: wrap; }

.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; background: var(--info-soft); border: 1px solid color-mix(in srgb, var(--info) 22%, transparent); font-size: .94rem; }
.callout.tip { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.callout .callout-icon { flex: none; margin-top: 2px; }
.callout.tip .callout-icon { color: var(--ok); }
.callout.warn .callout-icon { color: var(--warn); }
.callout .callout-icon { color: var(--info); }
.callout > div > strong { display: block; margin-bottom: 2px; }

.five { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.five-item { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; border: 1px solid var(--border); }
.five-item h4 { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 4px; }
.five-item p { font-size: .9rem; }

.more { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.more summary { cursor: pointer; padding: 12px 16px; font-weight: 650; font-size: .92rem; list-style: none; display: flex; align-items: center; gap: 8px; color: var(--accent); }
.more summary::-webkit-details-marker { display: none; }
.more summary .chev { transition: transform .2s; }
.more[open] summary .chev { transform: rotate(90deg); }
.more-body { padding: 0 16px 14px; font-size: .93rem; }
.more-body ul { margin: 0; padding-left: 20px; }

.mem-diagram { display: flex; flex-wrap: wrap; gap: 14px; padding: 18px; border-radius: 14px; background: var(--surface-2); border: 1px dashed var(--border-strong); }
.mem-row { display: flex; align-items: center; gap: 10px; font-family: var(--mono); }
.mem-name { font-weight: 600; padding: 6px 12px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }
.mem-arrow { color: var(--faint); }
.mem-value { padding: 6px 12px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border-strong); }
.mem-type { font-family: var(--font); font-size: .7rem; color: var(--faint); font-weight: 600; }

/* Preguntas */
.question { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: var(--surface); }
.question-head { display: flex; align-items: center; gap: 8px; font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 700; color: var(--xp-text); margin-bottom: 8px; }
.question-text { font-weight: 650; margin-bottom: 12px; }
.options { display: grid; gap: 8px; }
.option {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 11px 14px; border-radius: 11px; border: 1.5px solid var(--border); background: var(--surface);
  cursor: pointer; font-size: .94rem; transition: border-color .15s, background .15s, transform .12s;
}
.option:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); }
.option:disabled { cursor: default; }
.option .opt-key { width: 24px; height: 24px; border-radius: 7px; background: var(--surface-2); display: grid; place-items: center; font-size: .75rem; font-weight: 700; color: var(--muted); flex: none; }
.option.selected { border-color: var(--accent); background: var(--accent-soft); }
.option.correct { border-color: var(--ok); background: var(--ok-soft); }
.option.correct .opt-key { background: var(--ok); color: #fff; }
.option.wrong { border-color: var(--err); background: var(--err-soft); animation: shake .3s; }
.option.wrong .opt-key { background: var(--err); color: #fff; }
.option code { background: transparent; border: 0; padding: 0; }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.feedback { margin-top: 12px; padding: 12px 14px; border-radius: 11px; font-size: .92rem; animation: slideIn .3s var(--ease); }
.feedback.ok { background: var(--ok-soft); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.feedback.err { background: var(--err-soft); border: 1px solid color-mix(in srgb, var(--err) 30%, transparent); }
.feedback.info { background: var(--info-soft); border: 1px solid color-mix(in srgb, var(--info) 25%, transparent); }
.feedback-title { font-weight: 700; display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.feedback.ok .feedback-title { color: var(--ok); }
.feedback.err .feedback-title { color: var(--err); }
.feedback.info .feedback-title { color: var(--info); }
.text-answer { display: flex; gap: 8px; flex-wrap: wrap; }
.input {
  flex: 1; min-width: 160px; font: inherit; color: var(--text);
  padding: 10px 14px; border-radius: 10px; border: 1.5px solid var(--border-strong); background: var(--surface);
}
.input.mono { font-family: var(--mono); font-size: .92rem; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.classify { display: grid; gap: 8px; }
.classify-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 14px; border-radius: 11px; background: var(--surface-2); flex-wrap: wrap; }
.classify-row code { font-size: .95rem; }
.classify-row .why { flex-basis: 100%; font-size: .86rem; color: var(--muted); }
.classify-row.ok { background: var(--ok-soft); }
.classify-row.bad { background: var(--err-soft); }
.seg { display: inline-flex; margin-left: auto; border: 1px solid var(--border-strong); border-radius: 9px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); padding: 5px 12px; cursor: pointer; font-size: .82rem; font-weight: 600; }
.seg button + button { border-left: 1px solid var(--border-strong); }
.seg button.on { background: var(--accent); color: var(--accent-text); }

/* ---------- Código ---------- */
.code-block { border-radius: 12px; background: var(--code-bg); border: 1px solid var(--code-border); overflow: hidden; color: var(--code-text); }
.code-block-head { display: flex; align-items: center; gap: 8px; padding: 8px 10px 8px 14px; background: var(--code-bg-2); border-bottom: 1px solid var(--code-border); font-size: .76rem; color: var(--code-muted); font-weight: 600; }
.code-block-head .spacer { flex: 1; }
.code-block-head .btn { background: transparent; color: var(--code-text); border-color: var(--code-border); }
.code-block-head .btn:hover { border-color: var(--code-muted); }
.code-block-head .btn.run { background: #17b26a; border-color: #17b26a; color: #fff; }
.code-pre { margin: 0; padding: 14px 0; font-size: .9rem; line-height: 1.7; overflow-x: auto; }
.code-line { display: flex; padding: 0 16px 0 0; min-height: 1.7em; border-left: 3px solid transparent; transition: background .2s; }
.code-line .ln { width: 38px; text-align: right; padding-right: 14px; color: var(--code-muted); user-select: none; flex: none; }
.code-line .lc { white-space: pre; }
.code-line.next { background: rgba(var(--code-accent-rgb), .16); border-left-color: var(--code-accent); }
.code-line.prev { background: rgba(var(--code-accent-rgb), .05); }
.code-line.errline { background: rgba(255, 107, 112, .16); border-left-color: #ff6b70; }
.code-line .marker { width: 18px; flex: none; color: var(--code-accent); font-size: .75rem; display: grid; place-items: center; }
.tk-kw { color: var(--syn-kw); } .tk-str { color: var(--syn-str); } .tk-num { color: var(--syn-num); } .tk-fn { color: var(--syn-fn); } .tk-com { color: var(--syn-com); font-style: italic; } .tk-op { color: var(--syn-op); } .tk-blank { color: #ffcf5c; background: rgba(255, 207, 92, .14); border-radius: 4px; }

.console { background: var(--code-bg); color: var(--code-text); font-family: var(--mono); font-size: .88rem; border-radius: 12px; border: 1px solid var(--code-border); overflow: hidden; display: flex; flex-direction: column; }
.console-head { display: flex; align-items: center; gap: 8px; padding: 7px 12px; background: var(--code-bg-2); border-bottom: 1px solid var(--code-border); color: var(--code-muted); font-family: var(--font); font-size: .76rem; font-weight: 600; }
.console-head .spacer { flex: 1; }
.console-body { padding: 12px 14px; white-space: pre-wrap; word-break: break-word; min-height: 64px; max-height: 320px; overflow: auto; line-height: 1.6; }
.console-body .seg-in { color: #ffcf5c; }
.console-body .seg-err { color: #ff8a8e; }
.console-body .placeholder { color: var(--code-muted); font-style: italic; }
.console-input { display: flex; gap: 8px; padding: 8px 12px 12px; align-items: center; }
.console-input input { flex: 1; background: var(--code-bg-2); border: 1px solid #ffcf5c66; color: #ffe7a6; font-family: var(--mono); font-size: .9rem; padding: 7px 10px; border-radius: 8px; min-width: 0; }
.console-input input:focus { outline: none; border-color: #ffcf5c; box-shadow: 0 0 0 3px rgba(255, 207, 92, .15); }
.console-input .btn { background: #ffcf5c; border-color: #ffcf5c; color: #2a1d00; }

.error-card { border-radius: 12px; border: 1px solid color-mix(in srgb, var(--err) 35%, transparent); background: var(--err-soft); padding: 14px 16px; font-size: .92rem; animation: slideIn .3s var(--ease); }
.error-card.syntax { border-color: color-mix(in srgb, var(--warn) 40%, transparent); background: var(--warn-soft); }
.error-card h4 { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; font-size: .98rem; }
.error-card .orig { font-family: var(--mono); font-size: .78rem; color: var(--muted); margin-top: 8px; }
.error-card .sug { margin-top: 6px; }
.error-card .sug strong { color: var(--text); }

.editor-wrap { border-radius: 12px; overflow: hidden; border: 1px solid var(--code-border); background: var(--code-bg); }
.editor-toolbar { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--code-bg-2); border-bottom: 1px solid var(--code-border); flex-wrap: wrap; }
.editor-toolbar .label { color: var(--code-muted); font-size: .76rem; font-weight: 600; margin-right: auto; display: flex; gap: 8px; align-items: center; }
.editor-toolbar .btn { background: transparent; color: var(--code-text); border-color: var(--code-border); }
.editor-toolbar .btn:hover { border-color: var(--code-muted); }
.editor-toolbar .btn.run { background: #17b26a; border-color: #17b26a; color: #fff; }
.editor-toolbar .btn.check { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

.CodeMirror { height: auto; min-height: 140px; font-family: var(--mono); font-size: 14px; line-height: 1.7; background: var(--code-bg); color: var(--code-text); }
.CodeMirror-scroll { min-height: 140px; max-height: 460px; }
.cm-compact .CodeMirror, .cm-compact .CodeMirror-scroll { min-height: 0; }
.CodeMirror-gutters { background: var(--code-bg); border-right: 1px solid var(--code-border); }
.CodeMirror-linenumber { color: var(--code-muted); padding: 0 10px 0 6px; }
.CodeMirror-cursor { border-left: 2px solid var(--code-accent); }
.CodeMirror-selected, .CodeMirror-focused .CodeMirror-selected { background: rgba(var(--code-accent-rgb), .28) !important; }
.CodeMirror-activeline-background { background: rgba(255,255,255,.03); }
.CodeMirror-matchingbracket { color: #fff !important; background: rgba(var(--code-accent-rgb), .35); border-radius: 2px; }
.CodeMirror pre.CodeMirror-line { padding: 0 12px; }
.cm-keyword { color: var(--syn-kw) !important; } .cm-string { color: var(--syn-str) !important; } .cm-number { color: var(--syn-num) !important; } .cm-builtin { color: var(--syn-fn) !important; } .cm-comment { color: var(--syn-com) !important; font-style: italic; } .cm-operator { color: var(--syn-op) !important; } .cm-variable { color: var(--code-text) !important; } .cm-def { color: var(--syn-fn) !important; } .cm-atom { color: var(--syn-num) !important; } .cm-error { color: #ff8a8e !important; }
.cm-error-line { background: rgba(255, 107, 112, .14); }

/* ---------- Visualizador ---------- */
.tracer { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 12px; }
@media (max-width: 760px) { .tracer { grid-template-columns: 1fr; } }
.tracer-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.memory { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.memory-head { padding: 8px 12px; font-size: .76rem; font-weight: 700; color: var(--muted); background: var(--surface-2); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.memory-body { padding: 12px; display: flex; flex-direction: column; gap: 8px; min-height: 72px; }
.memory-frame-name { font-size: .72rem; font-weight: 700; color: var(--faint); text-transform: uppercase; letter-spacing: .06em; }
.var-row { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .88rem; animation: slideIn .3s var(--ease); }
.var-row .mem-value { transition: background .3s, border-color .3s; }
.var-row.changed .mem-value { background: var(--xp-soft); border-color: var(--xp); animation: flash .7s var(--ease); }
.var-row.new .mem-name { box-shadow: 0 0 0 2px var(--accent); }
@keyframes flash { 0% { transform: scale(1.08); } 100% { transform: scale(1); } }
.tracer-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 12px; border-top: 1px solid var(--code-border); background: var(--code-bg-2); }
.tracer-controls .btn { background: transparent; color: var(--code-text); border-color: var(--code-border); }
.tracer-controls .btn.primary { background: var(--code-accent); border-color: var(--code-accent); color: #0b0e1d; box-shadow: none; }
.tracer-controls .step-count { color: var(--code-muted); font-size: .8rem; font-weight: 600; margin-left: auto; font-family: var(--font); }
.tracer-controls input[type=range] { flex: 1 1 120px; accent-color: var(--code-accent); min-width: 100px; }
.narration { font-size: .9rem; padding: 12px 14px; border-radius: 12px; background: var(--accent-soft); color: var(--text); min-height: 48px; }
.narration code { background: var(--surface); }

/* ---------- Actividades ---------- */
.activity-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.activity-icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); flex: none; }
.activity-type { font-size: .74rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .07em; }
.activity-title { font-size: 1.3rem; font-weight: 800; margin: 0; }
.statement { font-size: .98rem; }
.statement > * + * { margin-top: 10px; }
.expected-output { font-family: var(--mono); background: var(--code-bg); color: var(--code-text); padding: 10px 14px; border-radius: 10px; white-space: pre; font-size: .88rem; overflow-x: auto; }
.difficulty { display: inline-flex; gap: 3px; align-items: center; }
.difficulty i { width: 7px; height: 14px; border-radius: 3px; background: var(--surface-3); display: inline-block; }
.difficulty i.on { background: var(--xp); }

.result { border-radius: 14px; padding: 16px 18px; animation: slideIn .3s var(--ease); border: 1px solid; }
.result.pass { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.result.fail { background: var(--err-soft); border-color: color-mix(in srgb, var(--err) 30%, transparent); }
.result.syntax, .result.incompleto { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.result.comprension, .result.planificacion { background: var(--info-soft); border-color: color-mix(in srgb, var(--info) 30%, transparent); }
.result-title { font-weight: 800; display: flex; align-items: center; gap: 8px; font-size: 1.02rem; margin-bottom: 4px; flex-wrap: wrap; }
.cases { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.case { display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 600; padding: 4px 10px; border-radius: 99px; background: var(--surface); border: 1px solid var(--border); }
.case.ok { color: var(--ok); }
.case.bad { color: var(--err); }
.diff { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
@media (max-width: 600px) { .diff { grid-template-columns: 1fr; } }
.diff > div { background: var(--surface); border-radius: 10px; padding: 10px 12px; border: 1px solid var(--border); min-width: 0; }
.diff .lbl { font-size: .72rem; text-transform: uppercase; font-weight: 700; letter-spacing: .06em; color: var(--muted); margin-bottom: 4px; }
.diff pre { margin: 0; white-space: pre-wrap; font-size: .85rem; word-break: break-word; }

.hints { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--surface); }
.hints-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--surface-2); flex-wrap: wrap; }
.hints-head strong { font-size: .95rem; }
.hint-ladder { display: flex; gap: 4px; margin-left: auto; }
.hint-ladder i { width: 22px; height: 6px; border-radius: 3px; background: var(--surface-3); }
.hint-ladder i.on { background: var(--xp); }
.hint { padding: 14px 16px; border-top: 1px solid var(--border); animation: slideIn .3s var(--ease); font-size: .93rem; }
.hint-level { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--xp-text); margin-bottom: 4px; }
.hint pre { background: var(--code-bg); color: var(--code-text); padding: 10px 12px; border-radius: 9px; font-size: .85rem; overflow-x: auto; margin: 8px 0 0; }
.hints-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.order-list { display: flex; flex-direction: column; gap: 8px; }
.order-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 12px; border-radius: 12px;
  border: 1.5px solid var(--border); background: var(--surface); transition: border-color .15s, box-shadow .15s, transform .15s;
  cursor: grab; user-select: none;
}
.order-item:active { cursor: grabbing; }
.order-item.dragging { opacity: .5; }
.order-item.drop-target { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.order-item.bad { border-color: var(--err); background: var(--err-soft); }
.order-item.good { border-color: var(--ok); background: var(--ok-soft); }
.order-num { width: 26px; height: 26px; border-radius: 8px; background: var(--surface-2); display: grid; place-items: center; font-weight: 800; font-size: .8rem; color: var(--muted); flex: none; }
.order-text { flex: 1; min-width: 0; font-size: .94rem; }
.order-text code { white-space: pre-wrap; background: transparent; border: 0; padding: 0; font-size: .88rem; }
.order-btns { display: flex; gap: 4px; }
.order-btns button { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; display: grid; place-items: center; color: var(--muted); }
.order-btns button:hover:not(:disabled) { color: var(--text); border-color: var(--border-strong); }
.order-btns button:disabled { opacity: .35; cursor: default; }
.grip { color: var(--faint); flex: none; }

.plan { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: linear-gradient(180deg, var(--accent-soft), var(--surface) 60%); }
.plan-steps { display: flex; gap: 6px; margin-bottom: 12px; }
.plan-steps i { flex: 1; height: 4px; border-radius: 3px; background: var(--surface-3); }
.plan-steps i.on { background: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border-radius: 99px; border: 1.5px solid var(--border-strong); background: var(--surface); cursor: pointer; font-size: .9rem; font-weight: 550; }
.chip.on { border-color: var(--accent); background: var(--accent); color: var(--accent-text); }
.chip.correct { border-color: var(--ok); background: var(--ok-soft); color: var(--ok); }
.chip.wrong { border-color: var(--err); background: var(--err-soft); color: var(--err); }
.plan-summary { font-family: var(--mono); font-size: .86rem; background: var(--code-bg); color: var(--syn-com); padding: 12px 14px; border-radius: 10px; white-space: pre-wrap; }

.thinking { display: flex; gap: 6px; flex-wrap: wrap; font-size: .76rem; font-weight: 650; color: var(--muted); }
.thinking span { padding: 3px 9px; border-radius: 99px; background: var(--surface-2); }
.thinking span.on { background: var(--accent); color: var(--accent-text); }

/* ---------- Desafíos / progreso ---------- */
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.challenge { display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: var(--text); transition: transform .15s var(--ease), border-color .15s; }
a.challenge:hover { transform: translateY(-2px); border-color: var(--accent); }
.challenge.locked { opacity: .7; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

.mastery-row { display: grid; grid-template-columns: minmax(0, 1fr) 140px auto; gap: 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.mastery-row:last-child { border-bottom: 0; }
@media (max-width: 560px) { .mastery-row { grid-template-columns: 1fr auto; } .mastery-row .progress { grid-column: 1 / -1; grid-row: 2; } }
.status-learned { background: var(--info-soft); color: var(--info); }
.legend { display: flex; gap: 10px; flex-wrap: wrap; }

.bars { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 170px 1fr 34px; gap: 10px; align-items: center; font-size: .88rem; }
@media (max-width: 520px) { .bar-row { grid-template-columns: 120px 1fr 28px; } }
.bar-track { height: 10px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.bar-track span { display: block; height: 100%; border-radius: inherit; }

.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.ach { text-align: center; padding: 16px 12px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface-2); }
.ach-icon { width: 48px; height: 48px; margin: 0 auto 8px; border-radius: 14px; display: grid; place-items: center; background: var(--surface-3); color: var(--faint); }
.ach.on { background: var(--surface); }
.ach.on .ach-icon { background: var(--xp-soft); color: var(--xp-text); }
.ach-name { font-weight: 700; font-size: .88rem; }
.ach-desc { font-size: .76rem; color: var(--muted); line-height: 1.4; margin-top: 2px; }

.history-item { display: flex; align-items: center; gap: 10px; font-size: .88rem; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.history-item:last-child { border-bottom: 0; }

/* ---------- Laboratorio ---------- */
.lab { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 960px) { .lab { grid-template-columns: minmax(0, 1fr); } }
.lab .CodeMirror-scroll { min-height: 340px; max-height: 62vh; }
.lab .CodeMirror { min-height: 340px; }
select.input { flex: none; min-width: 0; cursor: pointer; }

/* ---------- Toasts / modal ---------- */
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
@media (max-width: 900px) { .toasts { bottom: calc(84px + var(--sab)); left: 16px; right: 16px; align-items: center; } }
.toast { pointer-events: auto; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg); font-size: .92rem; animation: toastIn .45s var(--ease); max-width: 380px; }
.toast .t-icon { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--xp-soft); color: var(--xp-text); flex: none; }
.toast strong { display: block; }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) scale(.96); } to { opacity: 1; transform: none; } }
.xp-float { font-weight: 800; color: var(--xp-text); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(8, 10, 24, .55); backdrop-filter: blur(4px); z-index: 90; display: grid; place-items: center; padding: calc(16px + var(--sat)) calc(16px + var(--sar)) calc(16px + var(--sab)) calc(16px + var(--sal)); animation: fadeIn .2s; }
@keyframes fadeIn { from { opacity: 0; } }
.modal { background: var(--surface); border-radius: 20px; padding: 28px; max-width: 520px; width: 100%; box-shadow: var(--shadow-lg); animation: slideIn .35s var(--ease); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px - var(--sat) - var(--sab)); overflow: auto; }
.modal h2 { margin-bottom: 8px; }
.celebrate-badge { width: 76px; height: 76px; border-radius: 22px; margin: 0 auto 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--xp), #ffcf6b); color: #3a2500; animation: pop .5s var(--ease); }

.onboard-goals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.goal-opt { padding: 14px 10px; border-radius: 12px; border: 1.5px solid var(--border); background: var(--surface); cursor: pointer; text-align: center; }
.goal-opt strong { display: block; font-size: 1.1rem; }
.goal-opt.on { border-color: var(--accent); background: var(--accent-soft); }
.method { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .82rem; font-weight: 650; }
.method span { padding: 4px 10px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); }
.method i { color: var(--faint); font-style: normal; }

.empty { text-align: center; padding: 30px 16px; color: var(--muted); }
.empty .icon-wrap { width: 54px; height: 54px; border-radius: 16px; margin: 0 auto 10px; display: grid; place-items: center; background: var(--surface-2); color: var(--faint); }
.loading-line { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border-strong); border-top-color: var(--accent); animation: spin .7s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.quick-grid { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.quick-grid .btn { white-space: normal; text-align: center; }
.dash-grid > *, .lab > *, .step-card, .module-body { min-width: 0; }
@media (max-width: 520px) {
  .module-card { grid-template-columns: 40px minmax(0, 1fr); gap: 10px; }
  .module-badge { width: 40px; height: 40px; border-radius: 12px; font-size: 1rem; }
  .module-node::after { top: 40px; }
  .module-card.current .module-badge { box-shadow: 0 0 0 4px var(--accent-soft); }
  .module-body { padding: 14px; }
  .week-val { font-size: .6rem; }
}

/* ==========================================================================
   Paletas personalizables (día y noche). Por defecto: Kuromi (lila y negro).
   ========================================================================== */
:root {
  --accent: #4a57f0; --accent-hover: #4551df; --accent-soft: #eceeff; --accent-text: #ffffff;
  --hero-1: #4a57f0; --hero-2: #6a4dff; --hero-3: #8357ea; --accent-ink: #2b2fb0;
  --code-accent: #7c87ff; --code-accent-rgb: 124, 135, 255;
}
:root[data-theme="dark"] {
  --accent: #7c87ff; --accent-hover: #929bff; --accent-soft: #1e2350; --accent-text: #0b0e1d;
}
:root[data-palette="ocean"] {
  --accent: #0c71ab; --accent-hover: #0b689d; --accent-soft: #e3f2fb; --accent-text: #ffffff;
  --hero-1: #0c71ab; --hero-2: #0b6fa8; --hero-3: #0e808f; --accent-ink: #075683;
  --code-accent: #5cc0f5; --code-accent-rgb: 92, 192, 245;
}
:root[data-palette="ocean"][data-theme="dark"] {
  --accent: #4cb3ef; --accent-hover: #6fc3f4; --accent-soft: #0f2a3d; --accent-text: #0b0e1d;
}
:root[data-palette="emerald"] {
  --accent: #0c7b58; --accent-hover: #0b7151; --accent-soft: #e2f6ee; --accent-text: #ffffff;
  --hero-1: #0c7b58; --hero-2: #0c846f; --hero-3: #157f8f; --accent-ink: #0a6247;
  --code-accent: #4ade9f; --code-accent-rgb: 74, 222, 159;
}
:root[data-palette="emerald"][data-theme="dark"] {
  --accent: #34d399; --accent-hover: #5ee0b0; --accent-soft: #0d2e24; --accent-text: #0b0e1d;
}
:root[data-palette="violet"] {
  --accent: #7c3aed; --accent-hover: #6d28d9; --accent-soft: #f1eafe; --accent-text: #ffffff;
  --hero-1: #7c3aed; --hero-2: #9950de; --hero-3: #ab4dbe; --accent-ink: #4c1d95;
  --code-accent: #b197fc; --code-accent-rgb: 177, 151, 252;
}
:root[data-palette="violet"][data-theme="dark"] {
  --accent: #a78bfa; --accent-hover: #bba4fb; --accent-soft: #2a1f4d; --accent-text: #0b0e1d;
}
:root[data-palette="rose"] {
  --accent: #ca1a59; --accent-hover: #be1854; --accent-soft: #fde7ef; --accent-text: #ffffff;
  --hero-1: #ca1a59; --hero-2: #d13a6a; --hero-3: #bb564a; --accent-ink: #9d1243;
  --code-accent: #ff86a8; --code-accent-rgb: 255, 134, 168;
}
:root[data-palette="rose"][data-theme="dark"] {
  --accent: #fb7199; --accent-hover: #fd8fae; --accent-soft: #3a1424; --accent-text: #0b0e1d;
}
:root[data-palette="sunset"] {
  --accent: #b44f07; --accent-hover: #a24706; --accent-soft: #fff0e3; --accent-text: #ffffff;
  --hero-1: #b44f07; --hero-2: #bd5711; --hero-3: #d73753; --accent-ink: #9a3c05;
  --code-accent: #ffa45c; --code-accent-rgb: 255, 164, 92;
}
:root[data-palette="sunset"][data-theme="dark"] {
  --accent: #fb923c; --accent-hover: #fdaa62; --accent-soft: #3a2210; --accent-text: #0b0e1d;
}
:root[data-palette="graphite"] {
  --accent: #334155; --accent-hover: #1e293b; --accent-soft: #eceff3; --accent-text: #ffffff;
  --hero-1: #334155; --hero-2: #475569; --hero-3: #64748b; --accent-ink: #1e293b;
  --code-accent: #a5b4cb; --code-accent-rgb: 165, 180, 203;
}
:root[data-palette="graphite"][data-theme="dark"] {
  --accent: #cbd5e1; --accent-hover: #e2e8f0; --accent-soft: #1f2633; --accent-text: #0b0e1d;
}

:root[data-palette="kuromi"] {
  --accent: #7a4cc2; --accent-hover: #6a3db0; --accent-soft: #f1e8fc; --accent-text: #ffffff;
  --hero-1: #2b2433; --hero-2: #4b3470; --hero-3: #8a5cc9; --accent-ink: #3e2266;
  --code-accent: #c9a2f5; --code-accent-rgb: 201, 162, 245;
  --bg: #f7f3fc; --surface-2: #f2edf9; --surface-3: #e9e1f4; --border: #e6dff0; --border-strong: #d2c6e3;
  --text: #1d1824; --muted: #605870; --faint: #6c6478;
}
:root[data-palette="kuromi"][data-theme="dark"] {
  --accent: #c39cf2; --accent-hover: #d2b3f6; --accent-soft: #2d2240; --accent-text: #17121c;
  --bg: #121015; --surface: #1a171f; --surface-2: #221e29; --surface-3: #2b2633; --border: #2e2836; --border-strong: #40384b;
  --text: #ece8f2; --muted: #aaa1b8; --faint: #8a8197;
  --code-bg: #141118; --code-bg-2: #1b1720; --code-border: #2c2634;
}

/* ---------- Apariencia y pie ---------- */
.appearance-wrap { position: relative; }
.appearance {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60; width: 300px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 16px;
  box-shadow: var(--shadow-lg); animation: slideIn .2s var(--ease);
}
@media (max-width: 520px) { .appearance { position: fixed; left: calc(16px + var(--sal)); right: calc(16px + var(--sar)); top: calc(64px + var(--sat)); width: auto;
  max-height: calc(100dvh - 64px - var(--sat) - 96px - var(--sab)); overflow-y: auto; } }
.appearance-title { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 0 0 10px; }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px 4px; margin-bottom: 16px; }
.swatch { display: flex; flex-direction: column; align-items: center; gap: 5px; background: none; border: 0; padding: 4px 0; cursor: pointer; border-radius: 10px; }
.swatch:hover { background: var(--surface-2); }
.swatch-dot { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #fff; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); transition: transform .15s var(--ease); }
.swatch.on .swatch-dot { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent); }
.swatch:hover .swatch-dot { transform: scale(1.06); }
.swatch-name { font-size: .7rem; font-weight: 600; color: var(--muted); }
.swatch.on .swatch-name { color: var(--text); }
.mode-seg { display: flex; margin: 0; width: 100%; }
.mode-seg button { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 5px; padding: 7px 8px; color: var(--text); }
.mode-seg button.on { color: var(--accent-text); }
.site-footer { text-align: center; font-size: .8rem; color: var(--faint); padding: 0 16px 28px; margin-top: auto; }
.site-footer a { color: var(--muted); font-weight: 700; text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
@media (max-width: 900px) { .site-footer { padding-bottom: calc(90px + var(--sab)); } }

/* ---------- Perfil ---------- */
.profile-hero { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.avatar { width: 92px; height: 92px; flex: none; display: grid; place-items: center; border-radius: 26px; background: var(--accent-soft); }
.avatar img { width: 84px; height: 84px; object-fit: contain; filter: drop-shadow(0 6px 10px rgba(43, 36, 51, .22)); }
.avatar-btn { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; text-decoration: none; flex: none;
  background: var(--accent-soft); transition: box-shadow .15s, transform .15s var(--ease); }
.avatar-btn img { width: 32px; height: 32px; object-fit: contain; display: block; }
.avatar-btn.active, .avatar-btn:hover { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent); }
.avatar-btn:hover { transform: scale(1.06); }
.profile-bio { margin: 6px 0 0; font-size: .95rem; white-space: pre-line; overflow-wrap: anywhere; }
/* Selector de avatar: imagen y, debajo, el nombre del personaje */
.avatares { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 8px; margin: 4px 0 4px; }
.avatar-opt { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px 8px; border-radius: 14px; cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--border); color: var(--text); font: inherit; transition: border-color .15s, background .15s, transform .15s var(--ease); }
.avatar-opt img { width: 60px; height: 60px; object-fit: contain; }
.avatar-opt span { font-size: .78rem; font-weight: 650; text-align: center; line-height: 1.2; }
.avatar-opt:hover { border-color: var(--accent); transform: translateY(-2px); }
.avatar-opt.on { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent); }
.avatar-opt.on span { color: var(--accent); }
.datos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 6px 0 12px; }
.datos-grid .dato { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.datos-grid .input { width: 100%; }
.datos-grid label { font-size: .85rem; font-weight: 700; }
@media (max-width: 520px) { .datos-grid { grid-template-columns: 1fr; } }
textarea.input { width: 100%; resize: vertical; min-height: 64px; font: inherit; line-height: 1.45; }
@media (max-width: 520px) {
  .profile-hero { flex-direction: column; align-items: flex-start; gap: 14px; }
  .profile-hero > .btn { width: 100%; }
  .topbar { gap: 8px; }
  .topbar .brand { min-width: 0; flex: none; }
  .topbar .brand-name { display: none; }
}

/* ---------- Barrera de errores ---------- */
.crash { max-width: 620px; margin: 32px auto; text-align: center; padding: 32px 28px; }
.crash-icon { width: 58px; height: 58px; border-radius: 18px; margin: 0 auto 14px; display: grid; place-items: center; background: var(--warn-soft); color: var(--warn); }
.eb { display: contents; }

/* ---------- P2: mapa en móvil y modal ---------- */
.lesson-item > span:nth-child(2) { min-width: 0; }
@media (max-width: 600px) {
  .lesson-item { flex-wrap: wrap; }
  .lesson-item > span:nth-child(2) { flex: 1 1 calc(100% - 42px) !important; }
  .lesson-item > .tag, .lesson-item > .tiny { white-space: normal; margin-left: 42px; }
  .module-body > .row.between { flex-direction: column; align-items: flex-start; gap: 8px; }
  .module-body > .row.between .tag { white-space: normal; }
}
.modal:focus { outline: none; }
.thinking span.done { background: var(--accent-soft); color: var(--accent); }
.improve { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--surface); border: 1px dashed var(--border-strong); }

/* ---------- App instalable ---------- */
.engine-pill .dot.offline { background: var(--warn); }
.update-banner {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 20px; z-index: 95;
  display: flex; align-items: center; gap: 12px; padding: 10px 12px 10px 16px; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg); font-size: .92rem;
  animation: toastIn .4s var(--ease); max-width: calc(100vw - 32px);
}
@media (max-width: 900px) { .update-banner { bottom: calc(84px + var(--sab)); } }
.install-steps { margin: 8px 0 0; padding-left: 20px; }
.install-steps li + li { margin-top: 4px; }

/* ---------- Asistente ---------- */
.asis-fab-wrap { position: fixed; right: calc(20px + var(--sar)); bottom: calc(18px + var(--sab)); z-index: 40; }
.asis-fab {
  display: block; width: 80px; height: 100px; padding: 0; border: 0; background: none; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.asis-fab img {
  width: 100%; height: 100%; object-fit: contain; display: block; pointer-events: none;
  filter: drop-shadow(0 6px 10px rgba(43, 36, 51, .28)); transform-origin: 50% 90%; transition: transform .2s var(--ease);
}
.asis-fab:hover img, .asis-fab:focus-visible img { animation: vespa .6s ease-in-out infinite; }
.asis-fab:active img { transform: scale(.94); animation: none; }
@keyframes vespa {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  25% { transform: translate(-3px, -4px) rotate(-4deg); }
  50% { transform: translate(-6px, 0) rotate(0); }
  75% { transform: translate(-3px, -2px) rotate(-2deg); }
}
.asis-saludo {
  position: absolute; right: 64px; bottom: 78px; width: max-content; max-width: 210px;
  padding: 10px 14px; border-radius: 16px 16px 4px 16px; font-size: .88rem; line-height: 1.4;
  background: var(--surface); color: var(--text); border: 1.5px solid var(--accent); box-shadow: var(--shadow-lg);
  animation: saludo 3s var(--ease) forwards; pointer-events: none;
}
.asis-saludo b { color: var(--accent); }
@keyframes saludo {
  0% { opacity: 0; transform: translateY(8px) scale(.9); }
  10%, 88% { opacity: 1; transform: none; }
  100% { opacity: 0; transform: translateY(-4px); }
}
.asis-panel {
  position: fixed; right: calc(24px + var(--sar)); bottom: calc(24px + var(--sab)); z-index: 45;
  width: min(410px, calc(100vw - 48px)); height: min(640px, calc(100dvh - 48px - var(--sat) - var(--sab)));
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  animation: slideIn .2s var(--ease);
}
.asis-cabecera { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.asis-cabecera .spacer { flex: 1; }
.asis-cabecera .icon-btn { width: 32px; height: 32px; }
@media (max-width: 900px) {
  .asis-fab-wrap { bottom: calc(76px + var(--sab)); right: calc(10px + var(--sar)); }
  .asis-fab { width: 64px; height: 80px; }
  .asis-saludo { right: 52px; bottom: 64px; }
}
@media (max-width: 600px) {
  .asis-panel { inset: 0; width: auto; height: auto; border: 0; border-radius: 0; z-index: 60; padding: var(--sat) var(--sar) var(--sab) var(--sal); }
}

.asis-chat { display: flex; flex-direction: column; flex: 1 1 0; min-width: 0; min-height: 0; }
.asis-mensajes { flex: 1; min-height: 0; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; overscroll-behavior: contain; }
.asis-msg.yo {
  align-self: flex-end; max-width: 85%; padding: 9px 13px; border-radius: 14px 14px 4px 14px;
  background: var(--accent); color: var(--accent-text); white-space: pre-wrap; overflow-wrap: anywhere;
}
.asis-msg.ella { display: flex; gap: 10px; align-items: flex-start; }
.asis-avatar { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.asis-avatar.lg { width: 44px; height: 44px; margin: 0 auto 10px; }
.asis-avatar-img { flex: none; width: 30px; height: 30px; object-fit: contain; }
.asis-motera { display: block; width: 104px; height: auto; margin: 0 auto 10px; filter: drop-shadow(0 6px 10px rgba(43, 36, 51, .22)); animation: flotar 3s ease-in-out infinite; }
@keyframes flotar { 50% { transform: translateY(-5px); } }
.asis-vista-cabecera { display: flex; align-items: center; gap: 14px; margin: 14px 0 18px; }
.asis-vista-kuromi { width: 56px; height: auto; flex: none; filter: drop-shadow(0 4px 8px rgba(43, 36, 51, .22)); }
.asis-texto { flex: 1; min-width: 0; line-height: 1.6; overflow-wrap: anywhere; }
.asis-texto > :first-child { margin-top: 2px; }
.asis-texto p { margin: 0 0 .65em; }
.asis-texto ul, .asis-texto ol { margin: 0 0 .65em; padding-left: 1.3em; }
.asis-texto li + li { margin-top: 3px; }
.asis-texto > :last-child { margin-bottom: 0; }
.asis-code { margin: .3em 0 .8em; }
.asis-code .code-pre { font-size: .82rem; padding: 10px 0; }
.asis-code .code-line .ln { width: 30px; padding-right: 10px; }
.asis-pensando { display: flex; gap: 5px; padding: 9px 2px; }
.asis-pensando span { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); animation: pulse 1.1s infinite; }
.asis-pensando span:nth-child(2) { animation-delay: .18s; }
.asis-pensando span:nth-child(3) { animation-delay: .36s; }
.asis-error { display: flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: var(--err-soft); color: var(--err); font-size: .9rem; }
.asis-error svg { flex: none; margin-top: 2px; }
.asis-bienvenida { text-align: center; padding: 14px 6px; margin: auto 0; }
.asis-bienvenida p { max-width: 330px; margin: 6px auto 14px; }
.asis-sugerencias { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.asis-sugerencias .btn { white-space: normal; text-align: left; }
.asis-aviso { display: flex; gap: 12px; padding: 22px 18px; color: var(--muted); }
.asis-aviso b { color: var(--text); }
.asis-aviso p { margin: 4px 0 12px; }

.asis-entrada { border-top: 1px solid var(--border); padding: 10px 12px; }
.asis-contexto { display: flex; gap: 7px; align-items: flex-start; font-size: .78rem; color: var(--muted); margin-bottom: 8px; cursor: pointer; }
.asis-contexto input { margin: 2px 0 0; accent-color: var(--accent); }
.asis-caja { display: flex; gap: 8px; align-items: flex-end; }
.asis-texto-entrada {
  flex: 1; resize: none; font: inherit; line-height: 1.45; color: var(--text); background: var(--surface);
  padding: 9px 12px; border-radius: 12px; border: 1.5px solid var(--border-strong); max-height: 160px;
}
.asis-texto-entrada:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.asis-enviar { width: 40px; height: 40px; flex: none; }
.asis-enviar.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.asis-enviar:disabled { opacity: .45; cursor: not-allowed; }
.asis-pie { display: flex; justify-content: space-between; gap: 10px; margin-top: 6px; }
@media (pointer: coarse) { .asis-pie span:first-child { visibility: hidden; } }
.asis-preguntar { margin-top: 10px; }

.asis-vista-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 18px; align-items: start; }
.asis-principal { padding: 0; display: flex; height: calc(100dvh - 230px); min-height: 460px; overflow: hidden; }
.asis-historial { padding: 12px; position: sticky; top: 16px; }
.asis-historial ul { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px; max-height: calc(100dvh - 300px); overflow-y: auto; }
.asis-historial li { display: flex; align-items: center; gap: 2px; border-radius: 9px; min-width: 0; }
.asis-historial li.on { background: var(--accent-soft); }
.asis-conv { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; text-align: left; padding: 7px 9px; border: 0; background: none; color: var(--text); font: inherit; font-size: .88rem; cursor: pointer; border-radius: 9px; }
.asis-conv:hover { background: var(--surface-2); }
.asis-conv-titulo { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.asis-borrar { width: 28px; height: 28px; border-color: transparent; background: transparent; }
@media (max-width: 900px) {
  .asis-vista-grid { grid-template-columns: minmax(0, 1fr); }
  .asis-historial { position: static; }
  .asis-historial ul { max-height: 170px; }
  .asis-principal { height: calc(100dvh - 190px - var(--sat) - var(--sab)); min-height: 420px; }
}

/* ---------- Pantalla de carga (index.html + src/lib/splash.js) ---------- */
.splash {
  position: fixed; inset: 0; z-index: 200; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  padding: var(--sat) var(--sar) var(--sab) var(--sal); overflow: hidden; color: #efe4fb;
  background: radial-gradient(ellipse at 50% 38%, #4b3470 0%, #2b2433 55%, #17121c 100%);
}
.splash::before { /* estrellitas */
  content: ""; position: absolute; inset: 0; opacity: .7; pointer-events: none;
  background-image: radial-gradient(2px 2px at 18% 22%, #fff3b0, transparent), radial-gradient(2px 2px at 78% 18%, #e2cbfb, transparent),
    radial-gradient(1.5px 1.5px at 30% 70%, #fff3b0, transparent), radial-gradient(2px 2px at 86% 64%, #fff3b0, transparent),
    radial-gradient(1.5px 1.5px at 62% 32%, #e2cbfb, transparent), radial-gradient(1.5px 1.5px at 10% 52%, #e2cbfb, transparent);
  animation: titilar 2.4s ease-in-out infinite alternate;
}
@keyframes titilar { to { opacity: .35; } }
.splash-escena { position: relative; width: min(300px, 78vw); }
.splash-moto { position: relative; animation: ralenti .32s ease-in-out infinite; transform-origin: 50% 100%; }
.splash-moto img { display: block; width: 100%; height: auto; filter: drop-shadow(0 10px 14px rgba(0, 0, 0, .45)); }
@keyframes ralenti { 50% { transform: translateY(-3px) rotate(-.6deg); } }
.splash-humo { position: absolute; left: 8%; bottom: 14%; width: 22px; height: 22px; border-radius: 50%; background: rgba(226, 203, 251, .55); opacity: 0; animation: humo 1.2s ease-out infinite; }
.splash-humo.h2 { animation-delay: .4s; }
.splash-humo.h3 { animation-delay: .8s; }
@keyframes humo { 0% { opacity: .8; transform: translate(0, 0) scale(.4); } 100% { opacity: 0; transform: translate(-60px, -18px) scale(1.6); } }
.splash-suelo { height: 4px; margin-top: 2px; border-radius: 4px; opacity: .55;
  background: repeating-linear-gradient(90deg, #b98ce8 0 26px, transparent 26px 44px); background-size: 44px 4px; animation: carretera .35s linear infinite; }
@keyframes carretera { to { background-position: -44px 0; } }
.splash-nombre { margin-top: 18px; font-size: 2rem; font-weight: 850; letter-spacing: -.02em; color: #fff; }
.splash-texto { font-size: .95rem; color: #cdb6ea; }
.splash-puntos i { font-style: normal; animation: pulse 1s infinite; }
.splash-puntos i:nth-child(2) { animation-delay: .2s; }
.splash-puntos i:nth-child(3) { animation-delay: .4s; }
/* Al terminar de cargar: se va en moto hacia la derecha */
.splash.salir { animation: splashFuera .45s ease-in .7s forwards; }
.splash.salir .splash-moto { animation: arrancar .95s cubic-bezier(.55, 0, .75, .2) forwards; }
.splash.salir .splash-humo { animation-duration: .5s; }
.splash.salir .splash-nombre, .splash.salir .splash-texto { transition: opacity .3s; opacity: 0; }
@keyframes arrancar {
  0% { transform: none; }
  20% { transform: translateX(-14px) rotate(2deg); }
  45% { transform: translateX(10vw) rotate(-7deg); }
  100% { transform: translateX(110vw) rotate(-3deg); }
}
@keyframes splashFuera { to { opacity: 0; visibility: hidden; } }
@media (prefers-reduced-motion: reduce) {
  .splash *, .splash::before { animation: none !important; }
  .splash.salir { animation: splashFuera .3s forwards; }
  .asis-fab:hover img, .asis-motera, .bienvenida-kuromi { animation: none; }
}

/* ---------- Bienvenida: iniciar sesión o entrar como invitado ---------- */
.bienvenida {
  position: fixed; inset: 0; z-index: 90; overflow-y: auto; display: grid; place-items: center;
  padding: calc(20px + var(--sat)) calc(16px + var(--sar)) calc(20px + var(--sab)) calc(16px + var(--sal));
  background: radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--accent) 22%, var(--bg)) 0%, var(--bg) 70%);
}
.bienvenida-tarjeta {
  width: 100%; max-width: 420px; padding: 28px 26px 22px; border-radius: 22px; text-align: center;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.bienvenida-tarjeta h1 { font-size: 1.45rem; margin: 6px 0 6px; }
.bienvenida-tarjeta > p.muted { font-size: .92rem; }
.bienvenida-tarjeta form { text-align: left; }
.bienvenida-tarjeta form .row { justify-content: center; }
.bienvenida-kuromi { width: 112px; height: auto; display: block; margin: -4px auto 4px; animation: flotar 3s ease-in-out infinite; filter: drop-shadow(0 6px 10px rgba(43, 36, 51, .25)); }
.bienvenida-o { display: flex; align-items: center; gap: 10px; margin: 16px 0 12px; color: var(--faint); font-size: .82rem; }
.bienvenida-o::before, .bienvenida-o::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.bienvenida-invitado { width: 100%; justify-content: center; }

/* Bienvenida compacta: cabe en una pantalla sin desplazarse */
.bienvenida-tarjeta.compacta { padding: 20px 22px 16px; }
.bienvenida-cabecera { display: flex; align-items: center; gap: 14px; text-align: left; margin-bottom: 12px; }
.bienvenida-cabecera .bienvenida-kuromi { width: 72px; margin: 0; flex: none; }
.bienvenida-cabecera h1 { font-size: 1.3rem; margin: 0 0 2px; }
.bienvenida-cabecera p { font-size: .88rem; margin: 0; line-height: 1.4; }
.bienvenida-tarjeta.compacta form { gap: 6px !important; }
.bienvenida-tarjeta.compacta .bienvenida-o { margin: 10px 0 8px; }
@media (max-height: 640px) {
  .bienvenida-cabecera .bienvenida-kuromi { width: 52px; }
  .bienvenida-tarjeta.compacta .input { padding-top: 7px; padding-bottom: 7px; }
}
.enlace-btn { background: none; border: 0; padding: 2px 0; color: var(--accent); font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer; justify-self: center; }
.enlace-btn:hover { text-decoration: underline; }
.cuenta-mensaje { display: flex; gap: 12px; align-items: flex-start; text-align: left; padding: 14px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); }
.cuenta-mensaje > div { color: var(--text); }
.cuenta-mensaje p { margin: 4px 0 0; }