:root {
  --bg: #0b1220;
  --card: #182338;
  --card-2: #1f2c45;
  --ink: #eef2ff;
  --ink-soft: #a7b2cc;
  --teal: #14b8a6;
  --teal-deep: #0f766e;
  --green: #34d399;
  --coral: #fb7185;
  --amber: #fbbf24;
  --line: #26324c;
  --radius: 22px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; overscroll-behavior: none; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(120% 80% at 50% 0%, #16233c 0%, var(--bg) 55%) fixed;
  color: var(--ink); 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: radial-gradient(100% 80% at 50% 10%, #16324b, #0b1220); padding: 24px; }
.gate-card { text-align: center; width: 100%; max-width: 340px; }
.logo-big { font-size: 54px; font-weight: 800; letter-spacing: -1px;
  background: linear-gradient(120deg, var(--teal), var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.gate-sub { color: var(--ink-soft); margin: 6px 0 28px; }
.gate input { width: 100%; padding: 16px; border-radius: 16px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font-size: 17px; text-align: center; margin-bottom: 12px; }
.gate-err { color: var(--coral); min-height: 20px; font-size: 14px; margin-top: 10px; }

/* ---------- LAYOUT ---------- */
.app { max-width: 480px; margin: 0 auto; }
.view { padding: 26px 20px calc(24px + env(safe-area-inset-bottom)); animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.hi { color: var(--ink-soft); font-size: 15px; margin: 4px 0 2px; }
.h1 { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; margin: 0 0 6px; }
.lead { color: var(--ink-soft); font-size: 15.5px; line-height: 1.5; margin: 0 0 22px; }
.section-t { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--ink-soft); margin: 26px 4px 12px; }

/* ---------- BOTONES ---------- */
.btn-primary { width: 100%; padding: 18px; border: none; border-radius: 18px;
  background: linear-gradient(120deg, var(--teal), var(--teal-deep)); color: #fff; font-size: 18px; font-weight: 700; cursor: pointer;
  box-shadow: 0 10px 24px rgba(20, 184, 166, 0.28); transition: transform .12s ease, filter .12s; }
.btn-primary:active { transform: scale(0.98); filter: brightness(1.05); }
.btn-primary:disabled { opacity: .5; }
.btn-ghost { width: 100%; padding: 15px; border: 1px solid var(--line); border-radius: 16px;
  background: var(--card); color: var(--ink); font-size: 16px; font-weight: 600; cursor: pointer; }
.btn-ghost:active { background: var(--card-2); }

/* ---------- SELECTOR DE EJERCICIO ---------- */
.ex-list { display: grid; gap: 12px; }
.ex-opt { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: 18px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); transition: all .15s; }
.ex-opt .ex-emoji { font-size: 30px; width: 40px; text-align: center; flex-shrink: 0; }
.ex-opt .ex-n { font-size: 17px; font-weight: 700; }
.ex-opt .ex-d { font-size: 13px; color: var(--ink-soft); margin-top: 2px; }
.ex-opt.sel { border-color: var(--teal); background: linear-gradient(160deg, #123b3a, var(--card)); box-shadow: 0 0 0 2px rgba(20,184,166,.3) inset; }
.ex-opt.soon { opacity: .5; }
.ex-opt .badge { margin-left: auto; font-size: 11px; color: var(--amber); border: 1px solid #4a3a12; border-radius: 999px; padding: 3px 9px; }

/* ---------- OBJETIVO ---------- */
.goal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.goal { border: 1px solid var(--line); background: var(--card); border-radius: 14px; padding: 14px 4px; text-align: center; cursor: pointer; font-weight: 700; font-size: 16px; }
.goal small { display: block; font-size: 11px; color: var(--ink-soft); font-weight: 500; margin-top: 2px; }
.goal.sel { border-color: var(--teal); background: #123b3a; }

.priv-note { color: var(--ink-soft); font-size: 13px; line-height: 1.5; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 14px 16px; margin-top: 18px; display: flex; gap: 10px; }
.priv-note b { color: var(--ink); }

/* ---------- CÁMARA ---------- */
.cam-screen { position: fixed; inset: 0; z-index: 40; background: #000; 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); }         /* espejo selfie */
.cam-stage video.rear { transform: none; }
.cam-stage canvas { pointer-events: none; }

/* HUD superior */
.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,.55), rgba(0,0,0,0)); z-index: 3; }
.hud-count { text-align: left; }
.hud-count .n { font-size: 60px; font-weight: 800; line-height: .95; color: var(--green); font-variant-numeric: tabular-nums; text-shadow: 0 2px 12px rgba(0,0,0,.6); }
.hud-count .n.pop { animation: pop .3s ease; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.3); } 100% { transform: scale(1); } }
.hud-count .lab { font-size: 12px; color: #cbd5e1; text-transform: uppercase; letter-spacing: 1.5px; }
.hud-count .goal-of { color: var(--ink-soft); font-weight: 600; }
.icon-btn { width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(0,0,0,.5); backdrop-filter: blur(6px);
  color: #fff; font-size: 20px; cursor: pointer; display: grid; place-items: center; }
.cam-tools { display: flex; gap: 10px; }

/* Mensaje central */
.cam-msg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 3;
  background: rgba(0,0,0,.62); color: #fff; padding: 14px 20px; border-radius: 18px; font-size: 16px; font-weight: 600;
  text-align: center; max-width: 80%; line-height: 1.4; }
.cam-count-big { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 3;
  font-size: 160px; font-weight: 800; color: rgba(255,255,255,.15); pointer-events: none; }

/* Barra inferior */
.cam-bar { position: relative; z-index: 3; background: rgba(11,18,32,.92); backdrop-filter: blur(14px); border-top: 1px solid var(--line);
  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: 15px; font-weight: 700; }
.cam-bar .ex-sub { font-size: 12.5px; color: var(--ink-soft); }
.pill-btn { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px;
  padding: 11px 18px; font-size: 15px; font-weight: 700; cursor: pointer; }
.pill-btn.warn { border-color: #7c3a12; color: #fed7aa; }

.cam-priv-tag { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); z-index: 3;
  font-size: 11px; color: rgba(255,255,255,.7); background: rgba(0,0,0,.4); padding: 4px 12px; border-radius: 999px; white-space: nowrap; }

/* Progreso de reps (aro) */
.ring { position: absolute; top: calc(16px + env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); z-index: 3; }

/* Resumen final */
.finish { text-align: center; padding-top: 30px; }
.finish .emoji { font-size: 60px; }
.finish .big-num { font-size: 72px; font-weight: 800; color: var(--green); line-height: 1; margin: 8px 0; }
.finish .cap { color: var(--ink-soft); font-size: 16px; margin-bottom: 26px; }
.cam-error { background: #3b1d1d; color: #fecaca; border-radius: 14px; padding: 16px; font-size: 15px; text-align: center; line-height: 1.5; }
.mt { margin-top: 14px; }

/* ---------- INSTRUMENTO (panel técnico) ---------- */
.hud-right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.telemetry { font: 600 11px ui-monospace, Menlo, monospace; color: #9fb3c8; background: rgba(0,0,0,.5); padding: 4px 9px; border-radius: 8px; letter-spacing: .3px; }
.sub-parc { font-size: 11px; color: var(--amber); margin-top: 4px; font-weight: 600; }

.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(15,23,42,.72); backdrop-filter: blur(10px); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
}
.dp-cell { padding: 10px 8px; text-align: center; }
.dp-lab { font-size: 10px; text-transform: uppercase; letter-spacing: .8px; color: var(--ink-soft); }
.dp-val { font: 800 24px ui-monospace, Menlo, monospace; color: #eafff9; margin-top: 2px; }
.dp-val .u { font-size: 12px; color: var(--ink-soft); margin-left: 1px; font-weight: 600; }
.dp-phase { grid-column: 1 / 3; padding: 8px; font: 700 12px ui-monospace, monospace; letter-spacing: 1px; color: var(--teal); border-top: 1px solid var(--line); text-align: center; }
.dp-quality { grid-column: 3 / 5; padding: 8px; font: 700 12px ui-monospace, monospace; letter-spacing: .5px; border-top: 1px solid var(--line); text-align: center; color: var(--ink-soft); }
.dp-quality.q-ok { color: var(--green); }
.dp-quality.q-warn { color: var(--amber); }
.dp-quality.q-parc { color: var(--coral); }

/* ---------- GUÍA DE PROFUNDIDAD ---------- */
.depth { position: absolute; right: 12px; top: 90px; bottom: 120px; z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.depth-track { position: relative; flex: 1; width: 14px; background: rgba(0,0,0,.45); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.depth-fill { position: absolute; left: 0; right: 0; bottom: 0; height: 0%; background: linear-gradient(180deg, var(--amber), #f97316); transition: height .06s linear; }
.depth-fill.ok { background: linear-gradient(180deg, var(--green), var(--teal)); }
.depth-target { position: absolute; left: -4px; right: -4px; height: 2px; background: #fff; box-shadow: 0 0 6px rgba(255,255,255,.8); }
.depth-lab { font: 700 9px ui-monospace, monospace; color: #cbd5e1; letter-spacing: 1px; }

/* ---------- SELECTOR PRECISIÓN ---------- */
.toggle-row { display: flex; gap: 8px; }
.toggle { flex: 1; border: 1px solid var(--line); background: var(--card); border-radius: 14px; padding: 12px; text-align: center; cursor: pointer; }
.toggle .tt { font-size: 15px; font-weight: 700; }
.toggle .td { font-size: 11px; color: var(--ink-soft); margin-top: 2px; }
.toggle.sel { border-color: var(--teal); background: #123b3a; }

/* ---------- INFORME ---------- */
.rep-log { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-top: 12px; }
.rep-log-h, .rep-log-r { display: grid; grid-template-columns: 30px 1fr 1fr 1fr 1fr; gap: 4px; padding: 9px 12px; font: 600 12.5px ui-monospace, Menlo, monospace; }
.rep-log-h { background: var(--card-2); color: var(--ink-soft); text-transform: uppercase; font-size: 10.5px; letter-spacing: .5px; }
.rep-log-r { border-top: 1px solid var(--line); color: #eafff9; }
.rep-log-r.parc { color: var(--coral); }
.rep-log-r span:first-child { color: var(--ink-soft); }
.report { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--card); }
.rep-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink-soft); }
.rep-row:last-child { border-bottom: none; }
.rep-row b { color: #eafff9; font: 800 18px ui-monospace, Menlo, monospace; }
.tech-foot { font: 500 12.5px ui-monospace, Menlo, monospace; color: var(--ink-soft); line-height: 1.5; margin: 20px 4px 0; }