/* Gym Tracker — paleta de CLAUDE.md §6.6. Modo claro por defecto.
   Estilo "planilla deportiva": Barlow Condensed para títulos y números, sistema para el texto.
   Escala de espacios: 4 · 8 · 12 · 16 · 24 · 32. */

@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-display: swap; src: url("../fonts/barlow-condensed-500.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url("../fonts/barlow-condensed-600.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-display: swap; src: url("../fonts/barlow-condensed-700.woff2") format("woff2"); }

:root {
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --surface-2: #F0F2F5;
  --text: #1A2433;
  --text-2: #68758A;
  --text-3: #A3ADBB;
  --border: #E1E5EB;
  --hairline: #EBEEF2;
  --primary: #1F3C56;
  --on-primary: #FFFFFF;
  --primary-soft: #E6EDF4;
  --lower: #2E6DA4;
  --upper: #5FA8D3;
  --danger: #C0392B;
  --ok: #2E8B57;
  --ok-soft: #E3F2EA;
  --shadow: 0 1px 2px rgba(26, 36, 51, .05);
  --shadow-up: 0 2px 10px rgba(26, 36, 51, .08);
  --glass: rgba(247, 248, 250, .86);
  color-scheme: light;

  --display: "Barlow Condensed", "Arial Narrow", -apple-system, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --tabbar-h: 58px;
}
:root[data-theme="dark"] {
  --bg: #10141C; --surface: #1A212E; --surface-2: #232C3B; --text: #E6EBF2; --text-2: #9AA7B8; --text-3: #5F6B7C;
  --border: #2C3646; --hairline: #252E3C; --primary: #7FB3DE; --on-primary: #10141C; --primary-soft: #1F2D40;
  --lower: #5B9BD5; --upper: #9CCDEB; --danger: #E57368; --ok: #4CB97E; --ok-soft: #1C3328;
  --shadow: none; --shadow-up: 0 2px 12px rgba(0, 0, 0, .4); --glass: rgba(16, 20, 28, .86);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --bg: #10141C; --surface: #1A212E; --surface-2: #232C3B; --text: #E6EBF2; --text-2: #9AA7B8; --text-3: #5F6B7C;
    --border: #2C3646; --hairline: #252E3C; --primary: #7FB3DE; --on-primary: #10141C; --primary-soft: #1F2D40;
    --lower: #5B9BD5; --upper: #9CCDEB; --danger: #E57368; --ok: #4CB97E; --ok-soft: #1C3328;
    --shadow: none; --shadow-up: 0 2px 12px rgba(0, 0, 0, .4); --glass: rgba(16, 20, 28, .86);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--body);
  padding-bottom: calc(var(--tabbar-h) + 24px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.num { font-family: var(--display); font-variant-numeric: tabular-nums; }
.muted { color: var(--text-2); }
.small { font-size: 12px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  padding: calc(8px + env(safe-area-inset-top)) 16px 8px;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(1.6) blur(14px); backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: flex; align-items: center; gap: 8px; margin-right: auto; }
.brand-mark {
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: 7px;
  background: var(--primary); color: var(--on-primary);
}
.brand-mark .ic { width: 16px; height: 16px; stroke-width: 2.2; }
.brand-title { font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: .04em; text-transform: uppercase; color: var(--primary); }
.chip {
  font-family: var(--display); font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 6px; background: var(--primary-soft); color: var(--primary);
}
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: 10px;
  background: transparent; color: var(--text-2);
}
.icon-btn .ic { width: 20px; height: 20px; }
.icon-btn:active { background: var(--surface-2); }

main { max-width: 600px; margin: 0 auto; padding: 16px; }

/* ---------- Barra de pestañas (abajo, estilo iOS) ---------- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: flex; justify-content: center; gap: 8px;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom)); padding: 6px 16px env(safe-area-inset-bottom);
  background: var(--glass);
  -webkit-backdrop-filter: saturate(1.6) blur(14px); backdrop-filter: saturate(1.6) blur(14px);
  border-top: 1px solid var(--hairline);
}
.tab {
  flex: 1; max-width: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border: 0; border-radius: 10px; background: transparent; color: var(--text-3);
  font-size: 11px; font-weight: 600; letter-spacing: .02em;
}
.tab .ic { width: 22px; height: 22px; }
.tab.active { color: var(--primary); }

/* ---------- Avisos en línea ---------- */
.banner {
  display: flex; align-items: center; gap: 10px;
  max-width: 568px; margin: 12px auto 0; padding: 10px 12px;
  background: var(--primary-soft); color: var(--primary); border-radius: var(--r); font-size: 13px; font-weight: 500;
}
.banner .ic { width: 16px; height: 16px; }
.banner span { flex: 1; }
.banner.inline { margin: 0 0 16px; }
.link-btn { border: 0; background: none; padding: 4px 2px; color: var(--lower); font-weight: 700; font-size: 13px; white-space: nowrap; }

/* ---------- Selector de semana ---------- */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; padding: 3px; background: var(--surface-2); border-radius: var(--r); }
.seg-btn {
  border: 0; border-radius: 9px; padding: 7px 4px; background: transparent;
  color: var(--text-2); font-weight: 600; font-size: 13px; line-height: 1.15;
}
.seg-btn.active { background: var(--surface); color: var(--primary); box-shadow: 0 1px 3px rgba(26, 36, 51, .12), inset 0 0 0 1px var(--hairline); }
.seg.small .seg-btn { padding: 6px 4px; font-size: 12px; }
.week-btn { display: flex; flex-direction: column; align-items: center; gap: 1px; min-height: 44px; justify-content: center; }
.week-btn .wk-num { font-family: var(--display); font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.week-btn .wk-sub { font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.week-btn.active .wk-sub { color: var(--upper); }

/* ---------- Selector de día ---------- */
.days { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 12px; }
.day-btn {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 0;
  padding: 8px 2px 10px; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--surface); color: var(--text); overflow: hidden;
}
.day-btn .day-name { font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.day-btn .day-key { font-family: var(--display); font-size: 24px; font-weight: 700; line-height: 1.05; }
.day-btn small { font-family: var(--display); font-size: 12px; font-weight: 500; color: var(--text-3); font-variant-numeric: tabular-nums; }
.day-btn .day-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--hairline); }
.day-btn .day-bar b { display: block; height: 100%; background: var(--ok); }
.day-btn .type-dot { position: absolute; top: 7px; right: 7px; width: 6px; height: 6px; border-radius: 50%; background: var(--lower); }
.day-btn.upper .type-dot { background: var(--upper); }
.day-btn.active { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.day-btn.active .day-name, .day-btn.active small { color: var(--on-primary); opacity: .75; }
.day-btn.active .day-bar { background: rgba(255, 255, 255, .18); }

/* ---------- Encabezado del día ---------- */
.hero { margin: 24px 0 16px; }
.hero-title { margin-top: 4px; font-family: var(--display); font-size: 32px; font-weight: 700; line-height: 1; letter-spacing: .01em; text-transform: uppercase; }
.hero-sub { margin-top: 4px; font-size: 15px; font-weight: 500; color: var(--text-2); }
.hero-meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.progress { flex: 1; height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.progress b { display: block; height: 100%; border-radius: 99px; background: var(--ok); transition: width .3s; }
.hero-count { font-family: var(--display); font-size: 15px; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
.tag {
  font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 5px; background: var(--primary-soft); color: var(--lower);
}
.tag.upper { color: var(--primary); }
.warmup {
  display: flex; gap: 10px; align-items: flex-start; margin-top: 16px; padding: 12px;
  border-radius: var(--r); background: var(--surface); border: 1px dashed var(--border); font-size: 13px; color: var(--text-2);
}
.warmup .ic { color: var(--lower); margin-top: 1px; }
.warmup b { display: block; color: var(--text); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 2px; }

/* ---------- Lista de ejercicios ---------- */
.ex-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow); overflow: hidden; transition: border-color .15s; }
.card.open { border-color: var(--lower); box-shadow: var(--shadow-up); }
.card-head { display: flex; align-items: center; gap: 12px; padding: 12px 12px 12px 14px; cursor: pointer; }
.ex-idx { flex: none; width: 22px; font-family: var(--display); font-size: 17px; font-weight: 600; color: var(--text-3); font-variant-numeric: tabular-nums; }
.card-info { flex: 1; min-width: 0; }
.pattern { font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--lower); }
.card.upper .pattern { color: var(--upper); }
.ex-name { margin-top: 1px; font-size: 15px; font-weight: 600; line-height: 1.3; }
.ex-name .edited { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.ex-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin-top: 6px; }
.ex-target {
  font-family: var(--display); font-size: 14px; font-weight: 600; letter-spacing: .02em;
  padding: 1px 7px; border-radius: 6px; background: var(--surface-2); color: var(--primary);
}
.ex-weight { font-size: 13px; color: var(--text-3); }
.ex-weight b { font-family: var(--display); font-size: 16px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.done-btn {
  flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--border); background: transparent; color: transparent;
}
.done-btn .ic { width: 16px; height: 16px; stroke-width: 2.6; }
.done-btn[aria-pressed="true"] { background: var(--ok); border-color: var(--ok); color: #fff; }
.card.done .ex-name { color: var(--text-2); }
.card.done .ex-idx { color: var(--ok); }

/* ---------- Tarjeta abierta ---------- */
.card-body { padding: 0 14px 14px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0 -14px; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--hairline); }
.stats.two { grid-template-columns: repeat(2, 1fr); }
.stat { display: flex; flex-direction: column; gap: 1px; padding: 10px 14px; background: var(--surface); min-width: 0; }
.stat-label { font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); display: flex; align-items: center; gap: 4px; }
.stat-label .ic { width: 12px; height: 12px; stroke-width: 2.2; }
.stat-val { font-family: var(--display); font-size: 22px; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-val small { font-size: 13px; font-weight: 600; color: var(--text-2); }
.stat-val.empty { color: var(--text-3); }
.stat-sub { font-size: 11px; color: var(--text-2); line-height: 1.3; }
.stat.sug .stat-val { color: var(--lower); }
.use-sug-btn {
  align-self: flex-start; margin-top: 4px; border: 0; border-radius: 6px; padding: 3px 8px;
  background: var(--primary-soft); color: var(--lower); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}

.tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tools .tool-btn { flex: 1 1 auto; justify-content: center; }
.tool-btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface);
  border-radius: 8px; padding: 6px 10px; font-size: 12px; font-weight: 600; color: var(--text-2);
}
.tool-btn .ic { width: 14px; height: 14px; }
.tool-btn.on { border-color: var(--lower); color: var(--lower); background: var(--primary-soft); }
.alt-box, .edit-box, .calc { margin-top: 8px; padding: 12px; border-radius: var(--r); background: var(--surface-2); }
.alt-box { font-size: 13px; }
.alt-box b { display: block; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); margin-bottom: 2px; }
.edit-box .hint { margin-top: 6px; font-size: 12px; color: var(--text-2); }
.row-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip-btn { border: 1px solid var(--border); background: var(--surface); border-radius: 8px; padding: 6px 12px; font-size: 13px; font-weight: 600; }
.chip-btn.solid { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }

.field { margin-top: 16px; }
.field-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.field-label { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.text-input, .num-input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); font-size: 16px; /* 16px evita el zoom de iOS */
}
.text-input:focus, .num-input:focus { outline: 2px solid var(--lower); outline-offset: -1px; border-color: transparent; }
textarea.text-input { resize: vertical; min-height: 48px; font-size: 16px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--text-2); }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--lower); }
.reps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: 6px; }
.rep-cell { position: relative; display: block; }
.rep-cell span { position: absolute; top: 5px; left: 0; right: 0; text-align: center; font-size: 9px; font-weight: 700; letter-spacing: .06em; color: var(--text-3); pointer-events: none; }
.rep-cell input, .reps-same-input { text-align: center; padding: 16px 4px 6px; font-family: var(--display); font-size: 20px; font-weight: 600; }
.reps-same-input { padding: 10px; }
.weight-row { display: flex; align-items: stretch; gap: 8px; }
.weight-box { position: relative; flex: 1; min-width: 0; }
.weight-box .num-input { padding-right: 40px; font-family: var(--display); font-size: 24px; font-weight: 700; padding-top: 6px; padding-bottom: 6px; }
.weight-box .unit { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-weight: 700; font-size: 13px; color: var(--text-3); pointer-events: none; }
.calc-toggle-btn { align-self: stretch; }
.perside-hint { margin-top: 6px; font-size: 12px; color: var(--text-2); }
.calc .seg { margin-bottom: 8px; background: var(--surface); }
.calc .seg-btn.active { background: var(--primary-soft); box-shadow: none; }
.calc .num-input { margin-bottom: 8px; font-family: var(--display); font-size: 20px; font-weight: 600; }
.calc-result { font-family: var(--display); font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--primary); }

.primary-btn, .secondary-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 12px; border-radius: var(--r);
  font-weight: 700; font-size: 14px; letter-spacing: .02em;
}
.primary-btn { margin-top: 16px; border: 0; background: var(--primary); color: var(--on-primary); }
.secondary-btn { border: 1px solid var(--border); background: var(--surface); color: var(--primary); }
.primary-btn:active, .secondary-btn:active { opacity: .85; }

/* ---------- Historial ---------- */
.page-head { margin: 8px 0 16px; }
.page-title { margin-top: 4px; font-family: var(--display); font-size: 30px; font-weight: 700; line-height: 1; text-transform: uppercase; }
.hist-select { margin-bottom: 16px; }
.search { position: relative; display: block; }
.search .ic { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-3); }
.search-input {
  width: 100%; padding: 11px 12px 11px 38px; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--surface); font-size: 16px; -webkit-appearance: none; appearance: none;
}
.search-input:focus { outline: 2px solid var(--lower); outline-offset: -1px; border-color: transparent; }
.hist-filters { margin: 8px 0 16px; }
.hist-ul { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.hist-ul li + li { border-top: 1px solid var(--hairline); }
.hist-item { display: flex; align-items: center; gap: 12px; width: 100%; padding: 12px 10px 12px 14px; border: 0; background: transparent; text-align: left; }
.hist-item:active { background: var(--surface-2); }
.hist-item > .ic { color: var(--text-3); width: 16px; height: 16px; }
.hl-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.hist-item.upper .pattern { color: var(--upper); }
.hist-item.core .pattern { color: var(--text-2); }
.hl-info .ex-name { font-size: 14px; }
.hl-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; }
.hl-max { font-size: 12px; color: var(--text-2); white-space: nowrap; }
.hl-max b { font-family: var(--display); font-size: 19px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.hl-date { font-size: 11px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.hl-none { font-size: 12px; color: var(--text-3); }

.back-btn { display: inline-flex; align-items: center; gap: 2px; margin: 0 0 4px -6px; padding: 6px 6px; border: 0; background: none; color: var(--lower); font-weight: 600; font-size: 14px; }
.page-title.detail { font-size: 26px; line-height: 1.1; text-transform: none; letter-spacing: 0; }
.pr-hero { display: flex; flex-direction: column; gap: 2px; padding: 16px; border-radius: var(--r-lg); background: var(--primary); color: var(--on-primary); }
.pr-hero .stat-label, .pr-hero .stat-sub { color: var(--on-primary); opacity: .75; }
.pr-hero-val { font-size: 44px; font-weight: 700; line-height: 1; margin-top: 4px; }
.pr-hero-val small { font-size: 18px; font-weight: 600; opacity: .75; }
.pr-hero-val span { font-size: 28px; font-weight: 600; }
.pr-hero-val.empty { opacity: .5; }
.section-title { margin: 24px 0 8px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.pr-list, .sess-list { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.pr-list li + li, .sess-list li + li { border-top: 1px solid var(--hairline); }
.pr-row { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 2px 12px; padding: 10px 14px; }
.pr-w { font-size: 13px; color: var(--text-2); white-space: nowrap; }
.pr-w b { font-size: 18px; color: var(--text); }
.pr-meta { font-size: 12px; color: var(--text-3); min-width: 0; }
.pr-delta { font-size: 11px; font-weight: 700; color: var(--ok); white-space: nowrap; }
.pr-row.current .pr-delta { color: var(--lower); }
.sess-row { padding: 10px 14px; }
.sess-top { display: grid; grid-template-columns: 40px 1fr auto auto 16px; align-items: baseline; gap: 10px; }
.sess-date { font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.sess-where { font-size: 11px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sess-w { font-size: 12px; color: var(--text-2); white-space: nowrap; }
.sess-w b { font-size: 16px; color: var(--text); }
.sess-r { font-size: 14px; color: var(--text-2); }
.sess-row .ok { color: var(--ok); }
.sess-row .ok .ic { width: 14px; height: 14px; stroke-width: 2.6; }
.sess-note { display: flex; gap: 6px; margin-top: 6px; padding: 6px 8px; border-radius: 8px; background: var(--surface-2); font-size: 12.5px; color: var(--text-2); }
.sess-note .ic { width: 14px; height: 14px; color: var(--lower); margin-top: 1px; }

/* ---------- Glosario ---------- */
.glossary { margin: 16px 0 0; display: flex; flex-direction: column; gap: 8px; }
.gl-item { padding: 12px 14px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); }
.gl-item dt { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--primary); }
.gl-item dd { margin: 2px 0 0; font-size: 13.5px; color: var(--text-2); }

/* ---------- Ajustes (hoja inferior) ---------- */
#sheet { position: fixed; inset: 0; z-index: 30; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(10, 16, 26, .4); }
.sheet-panel {
  position: absolute; left: 0; right: 0; bottom: 0; max-height: 90vh; overflow-y: auto;
  max-width: 600px; margin: 0 auto; background: var(--bg);
  border-radius: 20px 20px 0 0; padding: 8px 16px calc(24px + env(safe-area-inset-bottom));
}
.sheet-grabber { width: 36px; height: 5px; border-radius: 99px; background: var(--border); margin: 0 auto 8px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; }
.sheet-head h2 { font-family: var(--display); font-size: 26px; font-weight: 700; text-transform: uppercase; }
.group { margin-top: 24px; }
.group > .eyebrow { display: block; margin: 0 4px 8px; }
.group-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.list-row {
  display: flex; align-items: center; gap: 12px; width: 100%; padding: 12px 14px; border: 0; border-top: 1px solid var(--hairline);
  background: transparent; text-align: left; font-size: 14px; font-weight: 500; color: var(--text);
}
.list-row:first-child { border-top: 0; }
.list-row .ic { color: var(--lower); }
.list-row .grow { flex: 1; min-width: 0; }
.list-row .sub { display: block; font-size: 12px; font-weight: 400; color: var(--text-2); }
.list-row .badge { font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ok); }
.list-row.active .ic { color: var(--ok); }
.list-row:active { background: var(--surface-2); }
.group .note { margin: 8px 4px 0; font-size: 12px; color: var(--text-2); }
.file-btn { position: relative; cursor: pointer; }
.visually-hidden { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; pointer-events: none; }

/* ---------- Varios ---------- */
.empty { text-align: center; color: var(--text-2); padding: 48px 16px; }
.empty .empty-ic { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--primary-soft); color: var(--lower); margin-bottom: 16px; }
.empty .empty-ic .ic { width: 28px; height: 28px; }
.empty h2 { font-family: var(--display); font-size: 24px; font-weight: 700; text-transform: uppercase; color: var(--text); margin-bottom: 8px; }
.empty p { margin-bottom: 16px; }
.toast {
  position: fixed; left: 50%; bottom: calc(var(--tabbar-h) + 16px + env(safe-area-inset-bottom)); z-index: 50;
  transform: translate(-50%, 12px); opacity: 0; pointer-events: none;
  max-width: calc(100% - 32px); padding: 10px 16px; border-radius: 12px;
  background: var(--text); color: var(--bg); font-weight: 600; font-size: 13px; box-shadow: var(--shadow-up);
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); color: #fff; }

/* ---------- Máximo y sugerencia en la tarjeta ---------- */
.ex-idx .ic { width: 16px; height: 16px; stroke-width: 2.6; color: var(--ok); }
.ex-max { display: inline-flex; align-items: center; gap: 3px; font-family: var(--display); font-size: 14px; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
.ex-max .ic { width: 13px; height: 13px; color: #C9A227; }
.ex-line { margin-top: 6px; }
.ex-sug { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 500; color: var(--text-2); }
.ex-sug .ic { width: 14px; height: 14px; stroke-width: 2.2; }
.ex-sug b { font-family: var(--display); font-size: 16px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.ex-sug em, .stat-val em { font-style: normal; font-family: var(--display); font-weight: 700; font-size: 13px; padding: 0 4px; border-radius: 4px; }
.ex-sug.up .ic, .ex-sug.up em, .stat.sug.up em { color: var(--ok); background: var(--ok-soft); }
.ex-sug.up .ic { background: none; }
.ex-sug.down .ic, .ex-sug.down em, .stat.sug.deload em { color: var(--lower); background: var(--primary-soft); }
.ex-sug.down .ic { background: none; }
.ex-sug.flat .ic, .ex-sug.cal .ic { color: var(--text-3); }
.stat-goal { margin-top: 2px; font-size: 11px; font-weight: 700; color: var(--text); line-height: 1.3; }
.why { display: flex; gap: 8px; align-items: flex-start; margin-top: 12px; padding: 10px 12px; border-radius: var(--r); background: var(--primary-soft); color: var(--primary); font-size: 12.5px; line-height: 1.4; }
.why .ic { width: 15px; height: 15px; margin-top: 1px; color: var(--lower); }