/* ============================================================
   BRÍO — sistema de diseño 2026
   Blanco y negro puros. Tipografía display serif de gran cuerpo.
   Inspiración: estatuaria griega clásica en clave moderna.
   ============================================================ */

:root {
  --negro: #000000;
  --blanco: #ffffff;
  --gris: #9a9a9a;         /* secundario */
  --gris-3: #555555;       /* terciario */
  --superficie: #0e0e0e;   /* tarjetas */
  --linea: #262626;
  --serif: "Helvetica Neue", -apple-system, Helvetica, Arial, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --radius: 4px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; overscroll-behavior: none; }
body {
  font-family: var(--sans);
  background: var(--negro);
  color: var(--blanco);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }


/* ---------- GATE ---------- */
.gate { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; background: var(--negro); padding: 24px; }
.gate-card { text-align: center; width: 100%; max-width: 340px; }
.logo-big { font-family: var(--serif); font-weight: 800; font-size: 54px; letter-spacing: 2px; color: var(--blanco); }
.gate-sub { color: var(--gris); margin: 8px 0 36px; font-size: 14px; letter-spacing: 3px; text-transform: uppercase; }
.gate input {
  width: 100%; padding: 16px; border-radius: var(--radius); border: 1px solid var(--linea);
  background: var(--negro); color: var(--blanco); font-size: 17px; text-align: center; margin-bottom: 12px;
}
.gate input:focus { outline: none; border-color: var(--blanco); }
.gate-err { color: var(--gris); min-height: 20px; font-size: 14px; margin-top: 10px; }

/* ---------- LAYOUT ---------- */
.app { max-width: 480px; margin: 0 auto; padding-bottom: 96px; }
.view { padding: calc(22px + env(safe-area-inset-top, 0px)) 22px calc(24px + env(safe-area-inset-bottom, 0px)); animation: fade .3s ease; }
@media (display-mode: standalone) {
  .view { padding-top: max(calc(22px + env(safe-area-inset-top, 0px)), 66px); }
}
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.hi { color: var(--gris); font-size: 12px; margin: 4px 0 6px; letter-spacing: 2.5px; text-transform: uppercase; }
.h1 { font-family: var(--serif); font-weight: 800; font-size: 34px; line-height: 1.1; letter-spacing: -0.8px; margin: 0 0 10px; }
.lead { color: var(--gris); font-size: 15.5px; line-height: 1.55; margin: 0 0 22px; }
.section-t { font-size: 11px; text-transform: uppercase; letter-spacing: 2.5px; color: var(--gris-3); margin: 30px 2px 12px; }
.tech-foot { font-size: 12.5px; color: var(--gris-3); line-height: 1.55; margin: 20px 2px 0; }

/* ---------- BOTONES ---------- */
.btn-primary {
  width: 100%; padding: 18px; border: 1px solid var(--blanco); border-radius: var(--radius);
  background: var(--blanco); color: var(--negro); font-size: 15px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer; transition: transform .1s;
}
.btn-primary:active { transform: scale(0.985); }
.btn-ghost {
  width: 100%; padding: 15px; border: 1px solid var(--linea); border-radius: var(--radius);
  background: transparent; color: var(--blanco); font-size: 14px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
}
.btn-ghost:active { border-color: var(--blanco); }
.mt { margin-top: 12px; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 20;
  max-width: 480px; margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr);
  background: rgba(0,0,0,0.92); backdrop-filter: blur(16px); border-top: 1px solid var(--linea);
  padding: 10px 6px calc(10px + env(safe-area-inset-bottom));
}
.nav-btn { background: none; border: none; color: var(--gris-3); font-size: 10px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 2px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 5px; }
.nav-btn .ico { width: 22px; height: 22px; }
.nav-btn .ico svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.5; }
.nav-btn.active { color: var(--blanco); }

/* ---------- HOY ---------- */
.dose-hero {
  margin-top: 16px; border: 1px solid var(--blanco); border-radius: var(--radius); padding: 26px 22px; cursor: pointer;
  background: var(--blanco); color: var(--negro);
  display: flex; align-items: center; justify-content: space-between; transition: transform .1s;
}
.dose-hero:active { transform: scale(.985); }
.dose-hero .big { font-family: var(--serif); font-weight: 700; font-size: 34px; letter-spacing: -0.5px; }
.dose-hero .cap { font-size: 13px; color: #444; margin-top: 6px; line-height: 1.45; }
.dose-hero .check { width: 48px; height: 48px; flex-shrink: 0; margin-left: 16px; border-radius: 50%; background: var(--negro); color: var(--blanco); display: grid; place-items: center; font-size: 17px; }
.done-card { border: 1px solid var(--linea); background: var(--superficie); color: var(--gris); border-radius: var(--radius); padding: 20px; font-size: 15px; line-height: 1.6; }
.done-card b { color: var(--blanco); }
.nudge { margin-top: 14px; border: 1px dashed var(--linea); border-radius: var(--radius); padding: 14px 16px; display: flex; gap: 12px; align-items: center; }
.nudge .n-ico { font-size: 20px; filter: grayscale(1); }
.nudge .n-t { font-size: 14px; line-height: 1.45; color: var(--gris); }
.nudge .n-t b { color: var(--blanco); }

.plan-list { display: grid; gap: 8px; }
.plan-row { display: flex; align-items: center; gap: 14px; background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radius); padding: 8px 14px 8px 8px; }
.pr-demo { width: 56px; height: 56px; flex-shrink: 0; }
.pr-demo svg, .ex-demo svg, .demo-vect svg { width: 100%; height: 100%; display: block; }
.pr-n { font-size: 15px; font-weight: 600; letter-spacing: .2px; }
.pr-d { font-size: 12px; color: var(--gris); margin-top: 2px; }

/* Ritual de la noche */
.rit-card { border: 1px solid var(--linea); border-radius: var(--radius); padding: 8px; background: var(--superficie); }
.rit-item { display: flex; align-items: center; gap: 14px; padding: 13px 10px; cursor: pointer; font-size: 15px; color: var(--gris); }
.rit-item.on { color: var(--blanco); }
.rit-check { width: 24px; height: 24px; flex-shrink: 0; border-radius: 2px; border: 1px solid var(--gris-3); display: grid; place-items: center; font-size: 14px; color: var(--negro); font-weight: 800; }
.rit-item.on .rit-check { background: var(--blanco); border-color: var(--blanco); }
.rit-foot { font-size: 12px; color: var(--gris-3); padding: 10px 10px 6px; line-height: 1.5; border-top: 1px solid var(--linea); margin-top: 4px; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--linea); background: transparent; color: var(--gris); border-radius: 999px; padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer; }
.chip.sel { border-color: var(--blanco); background: var(--blanco); color: var(--negro); }
.chip.locked { opacity: .45; }

/* Tarjeta del entrenador */
.coach-card { margin-top: 18px; border: 1px solid var(--blanco); border-radius: var(--radius); padding: 18px 20px; }
.cc-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.cc-badge { font-size: 10px; font-weight: 700; letter-spacing: 2px; color: var(--negro); background: var(--blanco); border-radius: 2px; padding: 4px 9px; }
.cc-delta { font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--gris); text-transform: uppercase; }
.cc-msg { font-family: var(--serif); font-size: 17px; line-height: 1.5; color: var(--blanco); }

/* ---------- PLAYER ---------- */
.player-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.player-top .close { background: none; border: none; color: var(--gris); font-size: 24px; cursor: pointer; min-width: 48px; min-height: 48px; margin: -10px -14px -10px 0; display: grid; place-items: center; }
.phase-tag { font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--gris); font-weight: 600; }
.progress-bar { height: 2px; background: var(--linea); overflow: hidden; margin: 8px 0 20px; }
.progress-bar span { display: block; height: 100%; background: var(--blanco); transition: width .3s; }
.player { text-align: center; }
.demo { width: 100%; aspect-ratio: 1/1; border-radius: var(--radius); overflow: hidden; margin: 0 auto 18px; max-width: 340px; }
.ex-name { font-family: var(--serif); font-weight: 700; font-size: 32px; margin: 2px 0 6px; letter-spacing: -0.5px; }
.ex-dose { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--gris); font-weight: 600; margin-bottom: 12px; }
.ex-cue { font-size: 15px; color: var(--gris); line-height: 1.55; max-width: 360px; margin: 0 auto 16px; }
.timer { font-family: var(--serif); font-size: 72px; font-weight: 700; font-variant-numeric: tabular-nums; margin: 4px 0 16px; line-height: 1; }
.btn-cam-mini { width: 100%; padding: 16px; border: 1px solid var(--blanco); border-radius: var(--radius); cursor: pointer; background: var(--blanco); color: var(--negro); font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; }
.finish { text-align: center; padding-top: 28px; }
.finish .emoji { font-size: 44px; filter: grayscale(1); }
.finish .cap { color: var(--gris); font-size: 15.5px; line-height: 1.65; margin-bottom: 24px; }
.finish .big-num { font-family: var(--serif); font-size: 84px; font-weight: 700; line-height: 1; margin: 8px 0; }

/* ---------- SELECTOR (Medir) ---------- */
.ex-list { display: grid; gap: 8px; }
.ex-opt { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: var(--radius); cursor: pointer; border: 1px solid var(--linea); background: var(--superficie); }
.ex-opt .ex-emoji { font-size: 26px; width: 40px; text-align: center; flex-shrink: 0; filter: grayscale(1); }
.ex-opt .ex-n { font-size: 16px; font-weight: 600; }
.ex-opt .ex-d { font-size: 12.5px; color: var(--gris); margin-top: 2px; }
.ex-opt.sel { border-color: var(--blanco); }
.ex-opt.soon { opacity: .4; }
.ex-mid { flex: 1; min-width: 0; }
.ex-demo { width: 46px; height: 46px; flex-shrink: 0; }
.grupo-t { font-size: 11px; text-transform: uppercase; letter-spacing: 2.5px; color: var(--gris-3); font-weight: 700; margin: 22px 2px 10px; }
.grupo-t:first-child { margin-top: 6px; }
.orient { margin-left: auto; flex-shrink: 0; font-size: 10px; font-weight: 700; letter-spacing: 1px; border-radius: 2px; padding: 4px 8px; white-space: nowrap; text-transform: uppercase; }
.orient-frente { color: var(--blanco); border: 1px solid var(--gris-3); }
.orient-lado { color: var(--negro); background: var(--blanco); }
.ex-opt .badge { margin-left: auto; font-size: 10px; letter-spacing: 1px; color: var(--gris-3); border: 1px solid var(--linea); border-radius: 2px; padding: 3px 8px; text-transform: uppercase; }

.goal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.goal { border: 1px solid var(--linea); background: transparent; border-radius: var(--radius); padding: 14px 4px; text-align: center; cursor: pointer; font-family: var(--serif); font-weight: 700; font-size: 20px; }
.goal small { display: block; font-family: var(--sans); font-size: 10px; color: var(--gris); font-weight: 500; margin-top: 3px; letter-spacing: 1px; text-transform: uppercase; }
.goal.sel { border-color: var(--blanco); background: var(--blanco); color: var(--negro); }
.goal.sel small { color: #444; }
.toggle-row { display: flex; gap: 8px; }
.toggle { flex: 1; border: 1px solid var(--linea); background: transparent; border-radius: var(--radius); padding: 12px; text-align: center; cursor: pointer; }
.toggle .tt { font-size: 14px; font-weight: 700; letter-spacing: .5px; }
.toggle .td { font-size: 10.5px; color: var(--gris); margin-top: 2px; }
.toggle.sel { border-color: var(--blanco); background: var(--blanco); color: var(--negro); }
.toggle.sel .td { color: #444; }
.priv-note { color: var(--gris); font-size: 13px; line-height: 1.5; border: 1px solid var(--linea); border-radius: var(--radius); padding: 14px 16px; margin-top: 18px; display: flex; gap: 10px; }
.priv-note b { color: var(--blanco); }

/* ---------- CÁMARA ---------- */
.cam-screen { position: fixed; inset: 0; z-index: 40; background: var(--negro); display: flex; flex-direction: column; }
.cam-stage { position: relative; flex: 1; overflow: hidden; }
.cam-stage video, .cam-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cam-stage video { transform: scaleX(-1); }
.cam-stage video.rear { transform: none; }
.cam-stage canvas { pointer-events: none; }
.cam-hud-top { position: absolute; top: 0; left: 0; right: 0; padding: calc(12px + env(safe-area-inset-top)) 16px 12px; display: flex; justify-content: space-between; align-items: flex-start; background: linear-gradient(180deg, rgba(0,0,0,.7), rgba(0,0,0,0)); z-index: 3; }
.hud-count .n { font-family: var(--serif); font-size: 72px; font-weight: 700; line-height: .9; color: var(--blanco); font-variant-numeric: tabular-nums; }
.hud-count .n.pop { animation: pop .3s ease; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.22); } 100% { transform: scale(1); } }
.hud-count .lab { font-size: 10px; color: var(--gris); text-transform: uppercase; letter-spacing: 2.5px; margin-top: 4px; }
.hud-count .goal-of { color: var(--gris-3); }
.sub-parc { font-size: 11px; color: var(--gris); margin-top: 4px; }
.icon-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--linea); background: rgba(0,0,0,.6); backdrop-filter: blur(6px); color: var(--blanco); font-size: 18px; cursor: pointer; display: grid; place-items: center; }
.cam-tools { display: flex; gap: 10px; }
.hud-right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.telemetry { font: 600 10.5px ui-monospace, Menlo, monospace; color: var(--gris); background: rgba(0,0,0,.55); padding: 4px 9px; border-radius: 2px; letter-spacing: .4px; }
.cam-msg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 3; background: rgba(0,0,0,.75); border: 1px solid var(--linea); color: var(--blanco); padding: 14px 20px; border-radius: var(--radius); font-size: 15px; font-weight: 600; text-align: center; max-width: 80%; line-height: 1.4; }
.cam-bar { position: relative; z-index: 3; background: rgba(0,0,0,.94); backdrop-filter: blur(14px); border-top: 1px solid var(--linea); padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); display: flex; gap: 12px; align-items: center; }
.cam-bar .fill { flex: 1; }
.cam-bar .ex-title { font-size: 14px; font-weight: 700; letter-spacing: .5px; }
.cam-bar .ex-sub { font-size: 12px; color: var(--gris); }
.pill-btn { border: 1px solid var(--linea); background: transparent; color: var(--blanco); border-radius: 999px; padding: 11px 18px; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; }
.pill-btn.warn { border-color: var(--blanco); }
.data-panel { position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 3; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(0,0,0,.8); backdrop-filter: blur(10px); border: 1px solid var(--linea); border-radius: var(--radius); overflow: hidden; }
.dp-cell { padding: 10px 8px; text-align: center; }
.dp-lab { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--gris-3); }
.dp-val { font-family: var(--serif); font-weight: 700; font-size: 24px; color: var(--blanco); margin-top: 2px; }
.dp-val .u { font-size: 12px; color: var(--gris-3); margin-left: 1px; }
.dp-phase { grid-column: 1 / 3; padding: 8px; font: 700 11px ui-monospace, monospace; letter-spacing: 1.5px; color: var(--gris); border-top: 1px solid var(--linea); text-align: center; }
.dp-quality { grid-column: 3 / 5; padding: 8px; font: 700 11px ui-monospace, monospace; letter-spacing: .5px; border-top: 1px solid var(--linea); text-align: center; color: var(--gris); }
.dp-quality.q-ok { color: var(--blanco); }
.dp-quality.q-warn { color: var(--gris); }
.dp-quality.q-parc { color: var(--gris-3); }
.depth { position: absolute; right: 12px; top: 110px; bottom: 130px; z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.depth-track { position: relative; flex: 1; width: 10px; background: rgba(0,0,0,.5); border: 1px solid var(--linea); border-radius: 999px; overflow: hidden; }
.depth-fill { position: absolute; left: 0; right: 0; bottom: 0; height: 0%; background: var(--gris-3); transition: height .06s linear; }
.depth-fill.ok { background: var(--blanco); }
.depth-target { position: absolute; left: -4px; right: -4px; height: 2px; background: var(--blanco); }
.depth-lab { font: 700 8px ui-monospace, monospace; color: var(--gris-3); letter-spacing: 1px; }
.cam-error { border: 1px solid var(--linea); background: var(--negro); color: var(--blanco); border-radius: var(--radius); padding: 16px; font-size: 15px; text-align: center; line-height: 1.5; }

/* ---------- INFORMES ---------- */
.report { border: 1px solid var(--linea); border-radius: var(--radius); overflow: hidden; background: var(--superficie); }
.rep-row { display: flex; justify-content: space-between; align-items: center; padding: 15px 16px; border-bottom: 1px solid var(--linea); font-size: 14px; color: var(--gris); }
.rep-row:last-child { border-bottom: none; }
.rep-row b { font-family: var(--serif); color: var(--blanco); font-size: 20px; font-weight: 700; }
.rep-log { border: 1px solid var(--linea); border-radius: var(--radius); overflow: hidden; margin-top: 12px; }
.rep-log-h, .rep-log-r { display: grid; grid-template-columns: 30px 1fr 1fr 1fr 1fr; gap: 4px; padding: 10px 12px; font: 600 12.5px ui-monospace, Menlo, monospace; }
.rep-log-h { background: var(--negro); color: var(--gris-3); text-transform: uppercase; font-size: 10px; letter-spacing: .5px; }
.rep-log-r { border-top: 1px solid var(--linea); color: var(--blanco); }
.rep-log-r.parc { color: var(--gris-3); }
.rep-log-r span:first-child { color: var(--gris-3); }

/* ---------- DATOS (lectura fisiológica en B/N) ---------- */
.metric-hero { text-align: center; padding: 10px 0 6px; }
.metric-hero .mh-num { font-family: var(--serif); font-weight: 700; font-size: 96px; line-height: .95; letter-spacing: -2px; }
.metric-hero .mh-num .u { font-size: 30px; letter-spacing: 0; color: var(--gris-3); }
.metric-hero .mh-lab { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--gris); margin-top: 10px; }
.metric-hero .mh-sub { font-size: 13px; color: var(--gris-3); margin-top: 6px; }
.ring-wrap { position: relative; width: 210px; height: 210px; margin: 8px auto 2px; }
.ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-center .rc-num { font-family: var(--serif); font-weight: 700; font-size: 64px; line-height: 1; }
.ring-center .rc-lab { font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--gris); margin-top: 6px; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { border: 1px solid var(--linea); background: var(--superficie); border-radius: var(--radius); padding: 16px 8px; text-align: center; }
.stat .num { font-family: var(--serif); font-size: 30px; font-weight: 700; }
.stat .num .u { font-size: 14px; color: var(--gris-3); }
.stat .lab { font-size: 10px; color: var(--gris); margin-top: 4px; letter-spacing: 1.5px; text-transform: uppercase; }
.spark-card { border: 1px solid var(--linea); background: var(--superficie); border-radius: var(--radius); padding: 14px 16px 10px; margin-top: 8px; }
.spark-top { display: flex; justify-content: space-between; align-items: baseline; }
.spark-lab { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gris); }
.spark-val { font-family: var(--serif); font-size: 24px; font-weight: 700; }
.spark-val .u { font-size: 13px; color: var(--gris-3); }
.spark-svg { width: 100%; height: 44px; margin-top: 6px; display: block; }
.acwr-bar { position: relative; height: 8px; border-radius: 999px; background: var(--linea); margin: 18px 4px 6px; }
.acwr-zona { position: absolute; top: 0; bottom: 0; background: #333; border-radius: 999px; }
.acwr-dot { position: absolute; top: 50%; width: 16px; height: 16px; border-radius: 50%; background: var(--blanco); transform: translate(-50%, -50%); box-shadow: 0 0 0 4px rgba(255,255,255,.15); }
.acwr-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--gris-3); letter-spacing: 1px; margin: 0 4px; }
.cadena { display: flex; gap: 6px; flex-wrap: wrap; }
.cd { width: 20px; height: 20px; border-radius: 50%; }
.cd-on { background: var(--blanco); }
.cd-min { background: transparent; border: 1.5px solid var(--blanco); }
.cd-off { background: transparent; border: 1.5px solid var(--linea); }
.cd-pre { background: transparent; border: 1.5px dashed var(--linea); opacity: .5; }
.road { position: relative; height: 8px; background: var(--linea); border-radius: 999px; overflow: visible; }
.road-fill { height: 100%; border-radius: 999px; background: var(--blanco); }
.road-mark { position: absolute; top: -4px; width: 2px; height: 16px; background: var(--gris-3); }

/* ---------- DESCANSO entre series ---------- */
.rest-clock { font-family: var(--serif); font-weight: 800; font-size: 96px; text-align: center; margin: 26px 0 4px; letter-spacing: -3px; font-variant-numeric: tabular-nums; }
.rest-clock.done { color: var(--gris-3); }

/* ---------- CHAT con el entrenador ---------- */
.chat-modal { position: fixed; inset: 0; z-index: 50; background: var(--negro); display: flex; flex-direction: column; max-width: 480px; margin: 0 auto; }
.chat-head { display: flex; justify-content: space-between; align-items: center; padding: calc(14px + env(safe-area-inset-top, 0px)) 16px 12px; border-bottom: 1px solid var(--linea); }
@media (display-mode: standalone) { .chat-head { padding-top: max(calc(14px + env(safe-area-inset-top, 0px)), 58px); } }
.chat-head .close { min-width: 48px; min-height: 48px; background: none; border: none; color: var(--blanco); font-size: 20px; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { max-width: 84%; padding: 12px 14px; border-radius: 14px; font-size: 15px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.chat-msg.mia { align-self: flex-end; background: var(--blanco); color: var(--negro); border-bottom-right-radius: 4px; }
.chat-msg.suya { align-self: flex-start; border: 1px solid var(--linea); border-bottom-left-radius: 4px; }
.chat-input { display: flex; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--linea); }
.chat-input textarea { flex: 1; background: transparent; border: 1px solid var(--linea); border-radius: 12px; color: var(--blanco); padding: 12px; font-size: 15px; font-family: inherit; resize: none; }
.chat-input textarea:focus { outline: none; border-color: var(--blanco); }
.chat-input button { border: 1px solid var(--blanco); background: var(--blanco); color: var(--negro); border-radius: 12px; padding: 0 18px; font-weight: 700; font-size: 14px; }
.cc-chat { margin-top: 12px; background: none; border: 1px solid var(--linea); color: var(--gris); border-radius: 10px; padding: 9px 12px; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer; }
.cc-chat:active { border-color: var(--blanco); color: var(--blanco); }

/* ---------- CUERPO · carrusel a pantalla completa ----------
   Solo deslizan las imágenes; fecha, cifras y puntos son capa fija.
   Alto exacto de pantalla menos la barra de navegación: cero scroll vertical. */
.bc-wrap { position: relative; margin: calc(-22px - env(safe-area-inset-top, 0px)) -22px calc(-120px - env(safe-area-inset-bottom, 0px)); height: calc(100dvh - 67px - env(safe-area-inset-bottom, 0px)); overflow: hidden; }
@media (display-mode: standalone) { .bc-wrap { margin-top: calc(-1 * max(calc(22px + env(safe-area-inset-top, 0px)), 66px)); } }
.bc-carousel { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; height: 100%; }
.bc-carousel::-webkit-scrollbar { display: none; }
.bc-slide { flex: 0 0 100%; scroll-snap-align: center; scroll-snap-stop: always; display: flex; align-items: center; justify-content: center; background: var(--negro); padding: 64px 0 96px; }
.bc-slide img { width: 100%; height: 100%; object-fit: contain; }
.bc-top { position: absolute; top: calc(14px + env(safe-area-inset-top, 0px)); left: 0; right: 0; text-align: center; pointer-events: none; z-index: 2; }
@media (display-mode: standalone) { .bc-top { top: max(calc(14px + env(safe-area-inset-top, 0px)), 58px); } }
.bc-fecha { font-family: var(--serif); font-weight: 800; font-size: 26px; letter-spacing: -0.5px; }
.bc-tag { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: var(--gris); margin-top: 4px; }
.bc-add { position: absolute; right: 16px; top: calc(14px + env(safe-area-inset-top, 0px)); z-index: 3; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--linea); background: rgba(0,0,0,.5); color: var(--gris); font-size: 22px; line-height: 1; }
@media (display-mode: standalone) { .bc-add { top: max(calc(14px + env(safe-area-inset-top, 0px)), 58px); } }
.bc-panel { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; pointer-events: none; padding: 12px 0 8px; background: linear-gradient(transparent, rgba(0,0,0,.72) 40%); }
.bc-stats { display: flex; justify-content: center; gap: 34px; }
.bc-stat { text-align: center; min-width: 64px; }
.bc-stat .v { font-family: var(--serif); font-weight: 800; font-size: 24px; }
.bc-stat .v .u { font-size: 12px; color: var(--gris); }
.bc-stat .l { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--gris-3); margin-top: 2px; }
.bc-dots { display: flex; justify-content: center; gap: 8px; padding-top: 10px; }
.bc-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--linea); transition: background .2s; }
.bc-dot.on { background: var(--blanco); }
.bc-modal { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.82); display: flex; align-items: center; justify-content: center; padding: 22px; }
.bc-modal-card { background: var(--negro); border: 1px solid var(--linea); border-radius: var(--radius); padding: 20px; max-width: 420px; width: 100%; max-height: 80dvh; overflow-y: auto; }

/* ---------- CUERPO (legado) ---------- */
.body-stage { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--negro); border: 1px solid var(--linea); }
.body-stage img { width: 100%; display: block; }
.body-date { position: absolute; top: 14px; left: 16px; font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--gris); }
.body-sigma { position: absolute; bottom: 12px; right: 16px; font-family: var(--serif); font-size: 20px; color: var(--gris-3); }
.body-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.body-timeline { display: flex; gap: 10px; overflow-x: auto; padding: 4px 0; }
.bt-item { flex: 0 0 84px; border: 1px solid var(--linea); border-radius: var(--radius); overflow: hidden; cursor: pointer; background: var(--negro); }
.bt-item.sel { border-color: var(--blanco); }
.bt-item img { width: 100%; height: 112px; object-fit: cover; display: block; }
.bt-item .bt-f { font-size: 9px; letter-spacing: 1px; color: var(--gris); text-align: center; padding: 6px 2px; text-transform: uppercase; }
.bt-add { flex: 0 0 84px; height: 141px; border: 1px dashed var(--linea); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: var(--gris-3); font-size: 24px; }
.bt-add small { font-size: 9px; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- APPLE HEALTH / AJUSTES ---------- */
.card { border: 1px solid var(--linea); background: var(--superficie); border-radius: var(--radius); padding: 18px; }
.copy-row { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border: 1px solid var(--linea); border-radius: var(--radius); margin-top: 8px; cursor: pointer; background: var(--negro); }
.copy-row:active { border-color: var(--blanco); }
.cr-lab { font-size: 10px; text-transform: uppercase; letter-spacing: .8px; color: var(--gris-3); flex-shrink: 0; width: 92px; }
.cr-val { flex: 1; min-width: 0; font: 600 12.5px ui-monospace, Menlo, monospace; color: var(--gris); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cr-btn { flex-shrink: 0; font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--blanco); text-transform: uppercase; }
.salud-estado { margin-top: 12px; padding: 12px 14px; border-radius: var(--radius); background: var(--negro); border: 1px solid var(--linea); font-size: 13.5px; color: var(--gris); line-height: 1.5; }
.salud-estado .ok { color: var(--blanco); font-weight: 700; }

/* ---------- MARCA STHEN ---------- */
.logo-sigma { font-family: var(--serif); font-weight: 700; font-size: 96px; line-height: 1; color: var(--blanco); }

/* ---------- Σ SCORE ---------- */
.score-hero { text-align: center; padding: 6px 0 4px; }
.sh-num { font-family: var(--serif); font-weight: 800; font-size: 104px; line-height: .95; letter-spacing: -4px; }
.sh-lab { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--gris); margin-top: 8px; }
.sh-delta { font-size: 13px; color: var(--gris-3); margin-top: 4px; font-variant-numeric: tabular-nums; }
.sh-bar { position: relative; height: 10px; border-radius: 999px; background: var(--linea); margin: 16px 6px 6px; overflow: visible; }
.sh-fill { height: 100%; border-radius: 999px; background: var(--blanco); transition: width .4s; }
.sh-mark { position: absolute; top: -4px; width: 2px; height: 18px; background: var(--gris-3); }
.sh-ends { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: 1.5px; color: var(--gris-3); margin: 0 6px; text-transform: uppercase; }

/* ---------- DEMOS 3D (fundido entre fotogramas) ---------- */
.demo3d { position: relative; width: 100%; height: 100%; border-radius: var(--radius); overflow: hidden; background: var(--negro); }
.demo3d img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.demo3d