/* ============================================================
   Aula ML — UI de la app de la alumna (primitivas del prototipo v2)
   Fase 5 · Bloque 1: shell, tabs, tarjetas, chips, subtabs, listas.
   Los tokens viven en theme.css (:root). Máx 480px centrado (móvil-first).
   ============================================================ */

/* ---- Shell ---- */
.app{max-width:480px;margin:0 auto;min-height:100dvh;background:var(--paper);position:relative;}
.view{padding:calc(var(--safe-top) + 22px) 20px calc(var(--safe-bottom) + 118px);min-height:100dvh;}

/* ---- Barra de tabs inferior (Hoy · Aula · Explorar · Perfil) ---- */
.tabbar{
  position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:40;
  width:100%;max-width:480px;
  display:flex;justify-content:space-around;align-items:flex-end;
  padding:10px 0 calc(var(--safe-bottom) + 16px);
  background:linear-gradient(to top, var(--paper) 80%, rgba(251,248,244,0));
}
.tab{
  display:flex;flex-direction:column;align-items:center;gap:4px;position:relative;
  padding:4px 14px;color:var(--mute);font-size:10.5px;font-weight:700;letter-spacing:.2px;
}
.tab.on{color:var(--teal);}
.tab.on::before{content:"";position:absolute;top:-8px;width:4px;height:4px;border-radius:50%;background:var(--rose);}

/* ---- Cabecera de pantalla (kicker + título serif) ---- */
.head{margin:6px 0 18px;}
.head__kicker{font-size:10.5px;font-weight:700;letter-spacing:1.4px;color:var(--rose-deep);text-transform:uppercase;margin:0 0 4px;}
.head__title{font-family:var(--serif);font-size:30px;font-weight:500;letter-spacing:-.3px;color:var(--ink);margin:0;line-height:1.1;}
.head__title em{color:var(--teal);}
.head__sub{font-size:13.5px;color:var(--mute);margin:6px 0 0;line-height:1.5;}

/* ---- Título de sección ---- */
.sect{display:flex;align-items:baseline;justify-content:space-between;margin:22px 0 12px;}
.sect__title{font-family:var(--serif);font-size:22px;font-weight:500;letter-spacing:-.3px;margin:0;color:var(--ink);}
.sect__kicker{font-size:10.5px;font-weight:700;letter-spacing:1.4px;color:var(--rose-deep);text-transform:uppercase;display:block;margin-bottom:4px;}
.sect__action{font-size:12px;font-weight:600;color:var(--teal);}

/* ---- Tarjetas ---- */
.card-ui{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-soft);}
.card-ui--teal{background:linear-gradient(135deg, var(--teal-soft), var(--teal) 70%);border:none;color:var(--cream);}
.card-ui--cream{background:var(--cream);border:1px solid var(--line);}
.card-ui + .card-ui{margin-top:12px;}

/* ---- Fila de lista (icono/cover · texto · acción) ---- */
.rowi{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.rowi:last-child{border-bottom:none;}
.rowi__body{flex:1;min-width:0;}
.rowi__title{font-size:14px;font-weight:700;color:var(--ink);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rowi__meta{font-size:12px;color:var(--mute);margin:3px 0 0;}
.rowi__ico{width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;background:var(--cream);color:var(--teal);}

/* ---- Portada de curso (letra caligráfica) ---- */
.cover{border-radius:12px;flex:none;display:grid;place-items:center;overflow:hidden;color:var(--rose);}
.cover span{font-family:var(--script);line-height:1;padding-bottom:4px;}

/* ---- Chips ---- */
.chip-ui{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:var(--r-pill);
  background:rgba(26,74,79,.08);color:var(--teal);font-size:11px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;}
.chip-ui--rose{background:rgba(217,150,122,.14);color:var(--rose-deep);}
.chip-ui--lock{background:var(--cream-deep);color:var(--mute);}

/* ---- CTA sobre fondo claro ---- */
.cta-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;
  background:var(--teal);color:#fff;font-size:15px;font-weight:600;letter-spacing:.2px;
  padding:15px 22px;border-radius:var(--r-pill);box-shadow:var(--shadow-cta);min-height:52px;
  transition:transform .12s ease, opacity .12s ease;
}
.cta-dark:active{transform:translateY(1px);opacity:.92;}
.cta-dark[disabled]{opacity:.5;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  color:var(--teal);border:1.5px solid currentColor;border-radius:var(--r-pill);
  padding:10px 18px;font-size:13.5px;font-weight:600;background:transparent;
}

/* ---- Subtabs (Cursos / Meditaciones / Lecturas…) ---- */
.subtabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:18px;}
.subtabs button{
  padding:10px 0;font-size:13.5px;font-weight:500;color:var(--mute);
  border-bottom:2px solid transparent;margin-bottom:-1px;letter-spacing:0;
}
.subtabs button.on{font-weight:700;color:var(--ink);border-bottom-color:var(--teal);}

/* ---- Anillo de progreso (SVG generado en JS) ---- */
.ring{position:relative;display:inline-grid;place-items:center;}
.ring svg{transform:rotate(-90deg);display:block;}
.ring__label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1;}
.ring__pct{font-weight:700;color:var(--ink);}
.ring__sub{font-size:10px;color:var(--mute);margin-top:2px;}

/* ---- Estados vacíos y esqueletos ---- */
.empty-ui{text-align:center;color:var(--mute);font-size:13.5px;padding:36px 12px;line-height:1.6;}
.skel{border-radius:12px;background:linear-gradient(90deg, var(--cream-deep) 25%, var(--cream) 50%, var(--cream-deep) 75%);
  background-size:200% 100%;animation:skel 1.2s infinite linear;}
@keyframes skel{from{background-position:200% 0}to{background-position:-200% 0}}

/* ---- Pantalla HOY ---- */
.hoy-top{display:flex;justify-content:space-between;align-items:center;margin:2px 0 20px;}
.hoy-top__fecha{font-size:11.5px;color:var(--mute);letter-spacing:.5px;margin:0 0 2px;}
.hoy-top__hola{font-family:var(--serif);font-size:28px;font-weight:500;letter-spacing:-.3px;margin:0;}
.hoy-top__hola em{color:var(--teal);}
.hoy-top__bell{width:42px;height:42px;border-radius:50%;background:var(--cream-deep);color:var(--teal);display:grid;place-items:center;}

.strip{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--cream-deep);
  border-radius:14px;margin-bottom:22px;text-align:left;}
.strip__ico{width:36px;height:36px;border-radius:10px;background:var(--rose);color:var(--teal);display:grid;place-items:center;flex:none;}
.strip__title{font-size:13.5px;font-weight:700;color:var(--ink);margin:0;}
.strip__sub{font-size:11.5px;color:var(--mute);margin:1px 0 0;}

.resume{width:100%;text-align:left;background:var(--teal);color:var(--cream);border-radius:22px;padding:20px;
  margin-bottom:26px;position:relative;overflow:hidden;display:block;}
.resume::before{content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(232,181,160,.12);}
.resume__chip{display:inline-flex;padding:4px 9px;border-radius:999px;background:rgba(232,181,160,.16);
  color:var(--rose);font-size:11px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;}
.resume__title{font-family:var(--serif);font-size:22px;font-weight:500;margin:12px 0 4px;line-height:1.15;letter-spacing:-.3px;color:var(--cream);position:relative;}
.resume__meta{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(247,241,234,.7);margin-top:8px;position:relative;}
.resume__foot{display:flex;align-items:center;gap:14px;margin-top:18px;position:relative;}
.resume__play{width:52px;height:52px;border-radius:50%;background:var(--rose);color:var(--teal);display:grid;place-items:center;flex:none;box-shadow:0 4px 14px rgba(0,0,0,.18);}
.resume__barra{flex:1;}
.resume__track{height:4px;background:rgba(247,241,234,.18);border-radius:2px;overflow:hidden;}
.resume__fill{height:100%;background:var(--rose);}
.resume__pct{font-size:11px;color:rgba(247,241,234,.6);margin-top:6px;}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px;}
.pcard{border-radius:16px;padding:16px;min-height:110px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;}
.pcard--rose{background:var(--rose);color:var(--teal);}
.pcard--cream{background:var(--cream-deep);color:var(--ink);}
.pcard__ico{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:var(--teal);}
.pcard--rose .pcard__ico{background:rgba(26,74,79,.12);}
.pcard--cream .pcard__ico{background:var(--paper);}
.pcard__title{font-family:var(--serif);font-size:17px;font-weight:500;line-height:1.1;}
.pcard__meta{font-size:11px;opacity:.7;margin-top:4px;}

.quote{padding:24px 22px;background:var(--paper);border:1px solid var(--line);border-radius:18px;}
.quote__ico{color:var(--rose);margin-bottom:10px;}
.quote__texto{font-family:var(--serif);font-size:18px;line-height:1.35;font-style:italic;color:var(--ink-soft);margin:0;letter-spacing:-.2px;}
.quote__firma{font-family:var(--script);font-size:22px;color:var(--teal);margin-top:12px;}

/* ---- PRÁCTICA (orbe de respiración / tapping) ---- */
.prac{position:fixed;inset:0;z-index:60;background:radial-gradient(120% 90% at 50% 0%, var(--teal-soft), var(--teal) 60%, var(--teal-deep));
  color:var(--cream);display:flex;flex-direction:column;max-width:480px;margin:0 auto;
  padding:calc(var(--safe-top) + 16px) 22px calc(var(--safe-bottom) + 22px);}
.prac__top{display:flex;align-items:center;justify-content:space-between;}
.prac__cerrar{width:38px;height:38px;border-radius:50%;background:rgba(247,241,234,.12);color:var(--cream);display:grid;place-items:center;}
.prac__body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;}
.prac__titulo{font-family:var(--serif);font-size:24px;font-weight:500;margin:0;}
.prac__meta{font-size:12.5px;color:rgba(247,241,234,.65);margin:0;}
.orbe{width:190px;height:190px;border-radius:50%;margin:26px 0 10px;
  background:radial-gradient(circle at 35% 30%, rgba(242,212,195,.95), var(--rose) 55%, var(--rose-deep));
  box-shadow:0 0 60px rgba(232,181,160,.35);transition:transform 3.8s ease-in-out;}
.orbe--in{transform:scale(1.22);}
.orbe--hold{transform:scale(1.22);}
.orbe--out{transform:scale(1);}
.prac__fase{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--rose);font-weight:700;min-height:18px;}
.prac__audio{width:100%;margin-top:14px;}
.prac__audio audio{width:100%;}
/* Silueta de puntos de tapping (reemplaza la antigua rejilla .tapuntos) */
.tapfig{width:100%;max-width:280px;margin:16px auto 4px;display:block;}
.tapfig svg{width:100%;height:auto;display:block;overflow:visible;}
.tap-sil{fill:rgba(247,241,234,.07);stroke:rgba(242,212,195,.55);stroke-width:2;}
.tap-hair{fill:rgba(247,241,234,.05);stroke:rgba(242,212,195,.35);stroke-width:1.5;}
.pt-dot{fill:rgba(232,181,160,.30);stroke:rgba(247,241,234,.35);stroke-width:1.5;transition:fill .35s ease, r .35s ease;}
.pt-halo{fill:none;stroke:var(--rose);stroke-width:2;opacity:0;transform-box:fill-box;transform-origin:center;transition:opacity .3s ease;}
.pt-num{fill:rgba(247,241,234,.55);font-size:9px;font-weight:700;text-anchor:middle;dominant-baseline:central;transition:fill .3s ease;}
.tap-pt.on .pt-dot{fill:var(--rose);stroke:var(--cream);stroke-width:2;r:8;}
.tap-pt.on .pt-num{fill:var(--teal-deep);}
.tap-pt.on .pt-halo{opacity:.9;animation:tapthrob 1.4s ease-out infinite;}
@keyframes tapthrob{0%{transform:scale(.7);opacity:.9;}70%{transform:scale(1.6);opacity:0;}100%{opacity:0;}}
/* Compat: estilos antiguos por si algún caché sirve el HTML previo */
.tapuntos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0 6px;width:100%;}
.tapunto{padding:12px 8px;border-radius:14px;background:rgba(247,241,234,.10);font-size:12px;font-weight:600;
  color:rgba(247,241,234,.75);text-align:center;transition:all .25s;}
.tapunto.on{background:var(--rose);color:var(--teal);transform:scale(1.05);}
/* Atenúa la silueta en las pausas de respiración / medición */
.tapfig{transition:opacity .45s ease;}
.prac.rest .tapfig{opacity:.4;}

/* ---- Medición de intensidad (USM 0–10) sobre la práctica ---- */
.usm{position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 0%,var(--teal-soft),var(--teal) 55%,var(--teal-deep));display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px 26px;gap:6px;z-index:70;}
.usm[hidden]{display:none;}
.usm__k{font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--rose-soft);}
.usm__q{font-family:var(--serif);font-size:26px;font-weight:500;line-height:1.15;margin:8px 0 4px;max-width:16ch;color:var(--cream);}
.usm__hint{font-size:12.5px;color:rgba(247,241,234,.6);margin-bottom:12px;}
.usm__scale{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:320px;}
.usm-chip{width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(247,241,234,.28);background:rgba(247,241,234,.06);color:var(--cream);font-size:16px;font-weight:700;font-family:inherit;transition:all .15s;}
.usm-chip.sel{background:var(--rose);color:var(--teal-deep);border-color:var(--cream);transform:scale(1.08);}
.usm__ends{display:flex;justify-content:space-between;width:100%;max-width:320px;font-size:10.5px;color:rgba(247,241,234,.5);margin-top:6px;letter-spacing:.4px;}
.usm__cta{margin-top:22px;background:var(--cream);color:var(--teal-deep);font-size:15px;font-weight:700;padding:14px 30px;border-radius:var(--r-pill);opacity:.4;pointer-events:none;transition:opacity .2s;}
.usm__cta.on{opacity:1;pointer-events:auto;}
.usm__result{margin-top:18px;background:rgba(247,241,234,.08);border:1px solid rgba(247,241,234,.15);border-radius:20px;padding:18px 22px;max-width:320px;}
.usm__result[hidden]{display:none;}
.usm__delta{font-family:var(--serif);font-size:30px;margin-bottom:6px;color:var(--cream);}
.usm__delta em{color:var(--rose-soft);font-style:normal;}
.usm__msg{font-size:13.5px;line-height:1.5;color:rgba(247,241,234,.85);}

/* ---- Lector PDF ---- */
.pdfbox{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;height:min(72vh,760px);}
.pdfbox iframe{width:100%;height:100%;border:0;}

/* ---- Perfil ---- */
.avatar{width:56px;height:56px;border-radius:50%;background:var(--teal);color:var(--rose);
  display:grid;place-items:center;font-family:var(--script);font-size:30px;flex:none;}

/* ---- Utilidades ---- */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.muted{color:var(--mute);}
.serif{font-family:var(--serif);}