/* ============================================================
   CFA Level I — Hoja de estilos (estética profesional financiera)
   Paleta: azul marino (ink) + acento dorado. Serif en titulares.
   ============================================================ */

:root {
  --bg: #eceff4;
  --surface: #ffffff;
  --surface-2: #f4f6f9;
  --ink: #0d2140;          /* navy profundo (paneles oscuros) */
  --ink-2: #16305a;
  --text: #17233a;
  --muted: #626c7d;
  --faint: #949daf;
  --border: #e2e7ef;
  --border-strong: #d3dae4;
  --gold: #b8924f;
  --gold-2: #c9a86a;
  --gold-soft: #f3ecdd;
  --navy: #16305a;         /* botones primarios */
  --navy-dark: #0d2140;
  --good: #2f7d5b;
  --mid: #b8924f;
  --danger: #b3403a;
  --danger-soft: #f8e5e3;
  --shadow: 0 10px 34px rgba(13, 33, 64, 0.10);
  --shadow-sm: 0 2px 10px rgba(13, 33, 64, 0.06);
  --radius: 16px;
  --radius-sm: 11px;
  --maxw: 820px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090f1a;
    --surface: #121a2b;
    --surface-2: #0e1626;
    --ink: #0b1424;
    --ink-2: #16305a;
    --text: #e7ecf3;
    --muted: #9aa6b8;
    --faint: #66728a;
    --border: #223047;
    --border-strong: #2c3d57;
    --gold: #c9a86a;
    --gold-2: #d8bd85;
    --gold-soft: #221d12;
    --navy: #21406f;
    --navy-dark: #0b1424;
    --good: #46b483;
    --danger: #e06b64;
    --danger-soft: #2e1614;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 82px;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.icon { width: 1.05em; height: 1.05em; vertical-align: -0.16em; flex-shrink: 0; }
.muted { color: var(--muted); }

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 11px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { width: 34px; height: 34px; display: block; }
.brand__mark svg { width: 100%; height: 100%; }
.brand__mark svg rect:first-child { fill: var(--navy-dark); }
.brand__mark svg .b { fill: var(--gold-2); }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__text strong { font-size: 16px; letter-spacing: 0.12em; }
.brand__text span { font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--faint); }

.user-chip {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 12px 6px 7px; border: 1px solid var(--border); border-radius: 30px;
  background: var(--surface); transition: border-color .15s, background .15s, transform .1s;
}
.user-chip:hover { border-color: var(--tc, var(--navy)); background: var(--surface-2); }
.user-chip:active { transform: scale(0.97); }
.user-chip__avatar {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 14px; color: #fff;
  background: var(--tc, var(--navy)); letter-spacing: 0;
}
.user-chip__info { display: flex; flex-direction: column; line-height: 1.12; text-align: left; }
.user-chip__name { font-size: 13.5px; font-weight: 700; }
.user-chip__switch { font-size: 10.5px; color: var(--faint); }
.user-chip__ico { width: 15px; height: 15px; color: var(--faint); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 20px 18px 40px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 11px; font-size: 14.5px; font-weight: 650;
  letter-spacing: 0.01em; border: 1px solid transparent;
  transition: transform .12s, background .18s, box-shadow .18s, border-color .18s;
}
.btn .icon { width: 17px; height: 17px; }
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--navy); color: #fff; box-shadow: 0 6px 16px color-mix(in srgb, var(--navy) 30%, transparent); }
.btn--primary:hover { background: var(--navy-dark); }
.btn--gold { background: var(--gold); color: #241a08; box-shadow: 0 6px 16px color-mix(in srgb, var(--gold) 35%, transparent); }
.btn--gold:hover { background: var(--gold-2); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--surface-2); }
.btn--outline-light { background: transparent; color: #f3ede0; border-color: rgba(243,237,224,.4); }
.btn--outline-light:hover { background: rgba(255,255,255,.08); }
.btn--danger { background: var(--danger-soft); color: var(--danger); }
.btn--danger:hover { filter: brightness(0.98); }
.btn--block { display: flex; width: 100%; }

/* ---------- Cover (hero de Inicio) ---------- */
.cover {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-dark), var(--ink-2));
  border-radius: var(--radius); padding: 30px 26px; margin-bottom: 18px;
  box-shadow: var(--shadow); color: #eef2f8;
}
.cover__grid {
  position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(201,168,106,.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(201,168,106,.08) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(circle at 78% 12%, #000, transparent 62%);
          mask-image: radial-gradient(circle at 78% 12%, #000, transparent 62%);
}
.cover__content { position: relative; }
.cover__eyebrow { font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold-2); font-weight: 600; }
.cover__title { font-family: var(--font-serif); font-size: clamp(24px, 5.2vw, 33px); line-height: 1.15; margin: 10px 0 6px; letter-spacing: -0.01em; }
.cover__sub { color: #c3ccdb; font-size: 14.5px; max-width: 460px; }
.cover__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* ---------- Métricas ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 22px; }
.metrics--inline { margin-bottom: 18px; }
.metric {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 10px; text-align: center; box-shadow: var(--shadow-sm);
}
.metric__icon { color: var(--gold); display: grid; place-items: center; margin-bottom: 4px; }
.metric__icon .icon { width: 19px; height: 19px; }
.metric__num { font-size: clamp(19px, 4.4vw, 24px); font-weight: 750; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.metric__label { font-size: 10.5px; color: var(--faint); margin-top: 1px; text-transform: uppercase; letter-spacing: 0.04em; }
.metric--warn { border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.metric--warn .metric__icon { color: var(--danger); }
@media (max-width: 500px) { .metrics { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Bloques / secciones ---------- */
.block { margin-bottom: 8px; }
.block__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.block__head--sub { margin-top: 26px; }
.block__title { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.block__title--sm { font-size: 15.5px; }
.block__hint { font-size: 12px; color: var(--faint); }
.section-note { font-size: 12.5px; color: var(--faint); margin: 8px 0 14px; }

/* ---------- Lista de áreas (Inicio) ---------- */
.topic-list { display: grid; gap: 8px; }
.topic-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 13px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; text-align: left; transition: border-color .14s, transform .12s, box-shadow .14s;
}
.topic-row:hover { border-color: var(--tc); transform: translateX(2px); box-shadow: var(--shadow-sm); }
.topic-row__abbr {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 10px;
  display: grid; place-items: center; font-weight: 750; font-size: 12.5px; letter-spacing: 0.02em;
  color: var(--tc); background: color-mix(in srgb, var(--tc) 13%, transparent);
}
.topic-row__body { min-width: 0; }
.topic-row__top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.topic-row__name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topic-row__weight { font-size: 11px; color: var(--faint); font-variant-numeric: tabular-nums; flex-shrink: 0; }
.topic-row__meta { font-size: 11.5px; color: var(--faint); margin-top: 5px; display: block; }
.topic-row__chev { width: 18px; height: 18px; color: var(--faint); }

/* ---------- Barras de progreso ---------- */
.bar { display: block; height: 6px; background: var(--surface-2); border-radius: 20px; overflow: hidden; margin-top: 7px; }
.bar__fill { display: block; height: 100%; border-radius: 20px; background: var(--tc, var(--navy)); transition: width .5s ease; }
.bar__fill--good { background: var(--good); }
.bar__fill--mid  { background: var(--mid); }
.bar__fill--low  { background: var(--danger); }

/* ---------- Paneles ---------- */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); margin-bottom: 14px; }
.panel--center { text-align: center; }
.panel--warn { background: color-mix(in srgb, var(--gold-soft) 60%, var(--surface)); border-color: color-mix(in srgb, var(--gold) 28%, var(--border)); }
.panel__row { display: flex; align-items: center; margin-bottom: 14px; }
.panel__row--between { justify-content: space-between; }
.panel__label { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.mini-actions { display: inline-flex; gap: 14px; }
.link-btn { color: var(--navy); font-weight: 650; font-size: 12.5px; }
.link-btn:hover { color: var(--gold); }
@media (prefers-color-scheme: dark) { .link-btn { color: var(--gold-2); } }

/* ---------- Selección de áreas (checkboxes) ---------- */
.check-grid { display: grid; gap: 6px; margin-bottom: 18px; }
.check { display: flex; align-items: center; gap: 11px; cursor: pointer; padding: 8px 8px; border-radius: 10px; transition: background .15s; }
.check:hover { background: var(--surface-2); }
.check input { position: absolute; opacity: 0; }
.check__box { width: 21px; height: 21px; border-radius: 6px; border: 1.8px solid var(--border-strong); flex-shrink: 0; display: grid; place-items: center; transition: all .15s; }
.check__box .icon { width: 13px; height: 13px; color: #fff; opacity: 0; }
.check input:checked + .check__box { background: var(--tc, var(--navy)); border-color: var(--tc, var(--navy)); }
.check input:checked + .check__box .icon { opacity: 1; }
.check__abbr { font-size: 10.5px; font-weight: 750; color: var(--tc); background: color-mix(in srgb, var(--tc) 13%, transparent); padding: 3px 7px; border-radius: 6px; min-width: 38px; text-align: center; }
.check__label { font-size: 13.5px; }
.check__label em { color: var(--faint); font-style: normal; font-size: 11.5px; margin-left: 3px; }

.field { margin-bottom: 6px; }
.field__label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.segmented { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 18px; }
.segmented button { padding: 11px 6px; border-radius: 9px; border: 1px solid var(--border-strong); background: var(--surface); font-weight: 650; font-size: 13.5px; color: var(--muted); transition: all .15s; }
.segmented button.active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------- TEST ---------- */
.quiz__bar { height: 4px; background: var(--surface-2); border-radius: 20px; overflow: hidden; margin-bottom: 16px; }
.quiz__progress { height: 100%; }
.quiz__progress span { display: block; height: 100%; background: var(--gold); border-radius: 20px; transition: width .35s ease; }
.quiz__top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 650; color: var(--tc, var(--navy)); }
.chip__abbr { font-size: 10px; font-weight: 750; background: color-mix(in srgb, var(--tc) 14%, transparent); padding: 3px 6px; border-radius: 5px; }
.quiz__count { font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; text-align: right; }
.quiz__q { font-family: var(--font-serif); font-size: clamp(18px, 4.4vw, 22px); line-height: 1.4; margin: 16px 0 20px; letter-spacing: -0.005em; }

.options { display: grid; gap: 9px; }
.option { display: flex; align-items: center; gap: 12px; text-align: left; background: var(--surface); border: 1.5px solid var(--border); border-radius: 12px; padding: 13px 15px; font-size: 14.5px; transition: border-color .15s, background .15s, transform .1s; }
.option:not([disabled]):hover { border-color: var(--navy); background: var(--surface-2); }
.option:not([disabled]):active { transform: scale(0.995); }
.option__letter { width: 27px; height: 27px; flex-shrink: 0; display: grid; place-items: center; background: var(--surface-2); border-radius: 7px; font-weight: 700; font-size: 12.5px; color: var(--muted); }
.option__text { flex: 1; }
.option__mark { width: 18px; height: 18px; flex-shrink: 0; }
.option--correct { border-color: var(--good); background: color-mix(in srgb, var(--good) 10%, var(--surface)); }
.option--correct .option__letter { background: var(--good); color: #fff; }
.option--correct .option__mark { color: var(--good); }
.option--wrong { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, var(--surface)); }
.option--wrong .option__letter { background: var(--danger); color: #fff; }
.option--wrong .option__mark { color: var(--danger); }
.option--dim { opacity: 0.5; }

.feedback { margin-top: 16px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--gold); border-radius: 12px; padding: 15px 16px; animation: slideUp .25s ease; }
.feedback.hidden { display: none; }
.feedback__head { display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: 15px; margin-bottom: 6px; }
.feedback__ico { width: 17px; height: 17px; }
.feedback__head.ok { color: var(--good); }
.feedback__head.no { color: var(--danger); }
.feedback__exp { color: var(--muted); font-size: 13.5px; margin-bottom: 14px; }
@keyframes slideUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Resultados (anillo) ---------- */
.results { text-align: center; padding: 26px 10px; animation: slideUp .3s ease; }
.results__ring { --val: 0; width: 148px; height: 148px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--gold) calc(var(--val) * 1%), var(--surface-2) 0); }
.results__ring-inner { width: 116px; height: 116px; border-radius: 50%; background: var(--surface); border: 1px solid var(--border); display: grid; place-items: center; align-content: center; }
.results__ring-inner .icon { width: 42px; height: 42px; color: var(--good); }
.results__pct { font-size: 34px; font-weight: 780; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.results__frac { font-size: 13px; color: var(--faint); font-variant-numeric: tabular-nums; }
.results__msg { color: var(--muted); margin: 0 auto 22px; max-width: 380px; font-size: 14.5px; }
.results__actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* ---------- Fallos ---------- */
.empty { text-align: center; padding: 34px 16px; }
.empty__ico { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--good) 12%, transparent); color: var(--good); }
.empty__ico .icon { width: 28px; height: 28px; }
.empty__title { font-size: 17px; font-weight: 700; }
.empty__sub { color: var(--muted); font-size: 13.5px; max-width: 360px; margin: 6px auto 18px; }

.miss-list { display: grid; gap: 8px; }
.miss { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; text-align: left; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--tc); border-radius: var(--radius-sm); padding: 12px 14px; transition: transform .12s, box-shadow .14s; }
.miss:hover { transform: translateX(2px); box-shadow: var(--shadow-sm); }
.miss__abbr { width: 38px; height: 38px; flex-shrink: 0; border-radius: 9px; display: grid; place-items: center; font-weight: 750; font-size: 11.5px; color: var(--tc); background: color-mix(in srgb, var(--tc) 13%, transparent); }
.miss__body { min-width: 0; }
.miss__q { font-size: 13.5px; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.miss__meta { font-size: 11px; color: var(--faint); margin-top: 3px; display: block; }
.miss__chev { width: 18px; height: 18px; color: var(--faint); }

/* ---------- Flashcards ---------- */
.all-done { color: var(--good); font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 7px; margin: 10px 0 14px; }
.all-done .icon { width: 18px; height: 18px; }
.card-review { padding-top: 2px; }
.flashcard { perspective: 1500px; margin: 16px 0; cursor: pointer; min-height: 260px; }
.flashcard__inner { position: relative; width: 100%; min-height: 260px; transition: transform .55s cubic-bezier(.4,.2,.2,1); transform-style: preserve-3d; }
.flashcard.is-flipped .flashcard__inner { transform: rotateY(180deg); }
.flashcard__face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 30px 26px; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.flashcard__front { background: var(--surface); }
.flashcard__back { background: linear-gradient(155deg, var(--navy-dark), var(--ink-2)); color: #f1f4f9; transform: rotateY(180deg); border-color: transparent; }
.flashcard__hint { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 700; color: var(--faint); margin-bottom: 14px; }
.flashcard__back .flashcard__hint { color: var(--gold-2); }
.flashcard__face p { font-family: var(--font-serif); font-size: clamp(17px, 4.2vw, 21px); font-weight: 500; line-height: 1.45; }
.flashcard__tap { position: absolute; bottom: 16px; font-size: 11.5px; color: var(--faint); }

.rate { text-align: center; margin-top: 8px; animation: slideUp .25s ease; }
.rate__label { display: block; font-size: 12.5px; color: var(--faint); margin-bottom: 10px; }
.rate__btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.rate-btn { padding: 12px 6px; border-radius: 10px; font-weight: 700; font-size: 12.5px; border: 1.5px solid var(--border-strong); background: var(--surface); transition: transform .1s, background .15s; }
.rate-btn:active { transform: scale(0.96); }
.rate-btn:hover { background: var(--surface-2); }
.rate-btn--again { color: var(--danger); }
.rate-btn--hard  { color: #b07a2b; }
.rate-btn--good  { color: var(--navy); }
.rate-btn--easy  { color: var(--good); }
@media (prefers-color-scheme: dark) { .rate-btn--good { color: #6f9ae0; } }

/* ---------- Progreso ---------- */
.prog-table { display: grid; gap: 8px; }
.prog-row { display: grid; grid-template-columns: auto 1fr 96px 58px; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px 14px; }
.prog-row__abbr { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; font-weight: 750; font-size: 10.5px; color: var(--tc); background: color-mix(in srgb, var(--tc) 13%, transparent); }
.prog-row__name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prog-row__bar .bar { margin-top: 0; }
.prog-row__val { text-align: right; font-weight: 750; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.prog-row__sub { display: block; font-size: 10px; color: var(--faint); font-weight: 500; }
@media (max-width: 520px) {
  .prog-row { grid-template-columns: auto 1fr 52px; }
  .prog-row__bar { display: none; }
}

.weak-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.weak-chip { display: inline-flex; align-items: center; gap: 7px; background: var(--surface); border: 1px solid var(--border-strong); padding: 7px 12px 7px 8px; border-radius: 22px; font-size: 12.5px; font-weight: 600; transition: transform .1s, border-color .15s; }
.weak-chip:hover { border-color: var(--tc); transform: translateY(-1px); }
.weak-chip__abbr { font-size: 9.5px; font-weight: 750; color: var(--tc); background: color-mix(in srgb, var(--tc) 14%, transparent); padding: 3px 6px; border-radius: 5px; }
.danger-zone { margin-top: 32px; text-align: center; }

/* ---------- Portada / selección de perfil ---------- */
.portada { position: relative; overflow: hidden; min-height: 100vh; margin: 0; padding: 0; background: radial-gradient(120% 90% at 80% 0%, var(--ink-2), var(--navy-dark) 55%, #081527); color: #eef2f8; }
.portada__bg { position: absolute; inset: 0; opacity: .9; }
.portada__bg svg { width: 100%; height: 100%; }
.portada__inner { position: relative; max-width: 640px; margin: 0 auto; padding: clamp(48px, 9vh, 90px) 24px 60px; }
.brandmark { display: flex; align-items: center; gap: 12px; margin-bottom: 34px; }
.brandmark__mono { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(201,168,106,.14); color: var(--gold-2); border: 1px solid rgba(201,168,106,.3); }
.brandmark__mono .icon { width: 24px; height: 24px; }
.brandmark__word { font-family: var(--font-serif); font-size: 22px; font-weight: 700; letter-spacing: 0.18em; display: flex; align-items: baseline; gap: 10px; }
.brandmark__lvl { font-family: var(--font-sans); font-size: 10px; letter-spacing: 0.3em; color: var(--gold-2); font-weight: 600; }
.portada__title { font-family: var(--font-serif); font-size: clamp(30px, 7vw, 46px); line-height: 1.1; letter-spacing: -0.015em; max-width: 12ch; }
.portada__sub { color: #b9c3d4; font-size: clamp(14px, 3.6vw, 16px); margin: 16px 0 34px; max-width: 44ch; }

.profiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.profile {
  display: flex; flex-direction: column; align-items: center; gap: 7px; text-align: center;
  padding: 24px 12px 18px; border-radius: var(--radius);
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(4px); transition: transform .16s, border-color .16s, background .16s;
}
.profile:hover { transform: translateY(-4px); border-color: var(--tc); background: rgba(255,255,255,.08); }
.profile__avatar { width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; font-size: 24px; font-weight: 750; color: #fff; background: var(--tc); box-shadow: 0 6px 18px color-mix(in srgb, var(--tc) 45%, transparent); }
.profile__name { font-size: 16px; font-weight: 700; }
.profile__meta { font-size: 10.5px; color: #9aa6ba; line-height: 1.35; min-height: 26px; }
.profile__enter { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 650; color: var(--gold-2); margin-top: 2px; }
.profile__enter .icon { width: 14px; height: 14px; }
.portada__legal { margin-top: 40px; font-size: 10.5px; color: #7d8798; line-height: 1.5; text-align: center; }
@media (max-width: 480px) {
  .profiles { grid-template-columns: 1fr; gap: 10px; }
  .profile { flex-direction: row; justify-content: flex-start; text-align: left; padding: 14px 16px; gap: 14px; }
  .profile__avatar { width: 46px; height: 46px; font-size: 19px; }
  .profile__meta { min-height: 0; }
  .profile__enter { margin-left: auto; }
}

/* ---------- Navegación inferior ---------- */
.bottomnav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 30; display: flex; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: saturate(180%) blur(12px); border-top: 1px solid var(--border); padding: 7px 6px calc(7px + env(safe-area-inset-bottom, 0px)); }
.nav-btn { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 2px; border-radius: 11px; color: var(--faint); transition: color .15s, background .15s; }
.nav-btn__icon { width: 21px; height: 21px; }
.nav-btn__label { font-size: 10.5px; font-weight: 600; }
.nav-btn.active { color: var(--navy); background: color-mix(in srgb, var(--navy) 8%, transparent); }
.nav-btn.active .nav-btn__icon { transform: translateY(-1px); }
@media (prefers-color-scheme: dark) { .nav-btn.active { color: var(--gold-2); background: color-mix(in srgb, var(--gold) 12%, transparent); } }

/* ---------- Estados sin usuario (portada a pantalla completa) ---------- */
body.no-user { padding-bottom: 0; }
body.no-user .topbar, body.no-user .bottomnav, body.no-user .user-chip { display: none; }
body.no-user .container { padding: 0; max-width: none; }

/* ---------- Toast ---------- */
.toast { position: fixed; bottom: 92px; left: 50%; transform: translateX(-50%) translateY(12px); background: var(--navy-dark); color: #fff; padding: 11px 18px; border-radius: 10px; font-size: 13.5px; font-weight: 600; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 60; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.hidden { display: none; }