/* ==========================================
   CellSplit | iOS 26 — Liquid Glass Design
   - Glassmorphism con backdrop-filter real
   - Pill shapes, formas suaves
   - Gradiente de fondo para profundidad
   - Light + Dark mode
========================================== */

:root {
  --tint: #007aff;
  --tint-weak: rgba(0, 122, 255, 0.15);
  --tint-glass: rgba(0, 122, 255, 0.08);

  --bg: #f2f2f7;
  --bg-elev: rgba(255, 255, 255, 0.76);
  --bg-glass: rgba(255, 255, 255, 0.60);
  --bg-field: rgba(118, 118, 128, 0.10);

  --label: #1c1c1e;
  --secondary: #6e6e73;
  --tertiary: #aeaeb2;

  --glass-border: rgba(255, 255, 255, 0.65);
  --separator: rgba(60, 60, 67, 0.18);
  --stroke-1: rgba(60, 60, 67, 0.20);
  --stroke-2: rgba(60, 60, 67, 0.13);
  --stroke-3: rgba(60, 60, 67, 0.09);

  --nav-bg: rgba(242, 242, 247, 0.86);
  --btn-bg: rgba(255, 255, 255, 0.88);
  --btn-bg-ghost-hover: rgba(118, 118, 128, 0.10);

  --ok: #30d158;
  --warn: #ff9f0a;
  --danger: #ff453a;
  --danger-bg: rgba(255, 69, 58, 0.12);
  --warn-bg: rgba(255, 159, 10, 0.12);
  --ok-bg: rgba(48, 209, 88, 0.12);

  --shadow-xs: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.05);
  --shadow: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 24px 72px rgba(0,0,0,0.14), 0 8px 24px rgba(0,0,0,0.08);

  --radius: 22px;
  --radius-sm: 16px;
  --radius-xs: 11px;
  --maxw: 620px;

  --blur-sm: blur(18px) saturate(160%);
  --blur: blur(32px) saturate(180%);
  --blur-heavy: blur(52px) saturate(210%);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-elev: rgba(28, 28, 30, 0.88);
    --bg-glass: rgba(28, 28, 30, 0.74);
    --bg-field: rgba(118, 118, 128, 0.22);

    --label: #ffffff;
    --secondary: #98989f;
    --tertiary: #6d6d72;

    --glass-border: rgba(255, 255, 255, 0.11);
    --separator: rgba(84, 84, 88, 0.50);
    --stroke-1: rgba(84, 84, 88, 0.46);
    --stroke-2: rgba(84, 84, 88, 0.32);
    --stroke-3: rgba(84, 84, 88, 0.22);

    --nav-bg: rgba(0, 0, 0, 0.86);
    --btn-bg: rgba(44, 44, 46, 0.92);
    --btn-bg-ghost-hover: rgba(118, 118, 128, 0.22);

    --danger-bg: rgba(255, 69, 58, 0.18);
    --warn-bg: rgba(255, 159, 10, 0.18);
    --ok-bg: rgba(48, 209, 88, 0.18);

    --shadow: 0 8px 32px rgba(0,0,0,0.58), 0 2px 8px rgba(0,0,0,0.36);
    --shadow-lg: 0 24px 72px rgba(0,0,0,0.72), 0 8px 24px rgba(0,0,0,0.48);

    --tint-weak: rgba(10, 132, 255, 0.18);
    --tint-glass: rgba(10, 132, 255, 0.10);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--label);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.38;
  padding: calc(12px + var(--safe-top)) 16px calc(28px + var(--safe-bot));
}

/* Mesh gradient — da profundidad real al glass */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 15% -5%, rgba(0, 122, 255, 0.10) 0%, transparent 65%),
    radial-gradient(ellipse 55% 50% at 88% 105%, rgba(88, 86, 214, 0.09) 0%, transparent 65%);
  pointer-events: none;
}

@media (prefers-color-scheme: dark) {
  body::before {
    background:
      radial-gradient(ellipse 80% 55% at 15% -5%, rgba(10, 132, 255, 0.14) 0%, transparent 65%),
      radial-gradient(ellipse 55% 50% at 88% 105%, rgba(94, 92, 230, 0.12) 0%, transparent 65%);
  }
}

.container { max-width: var(--maxw); margin: 0 auto; }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
}

.unit {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.92em;
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  margin-bottom: 16px;
  background: var(--nav-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--separator);
  padding-top: var(--safe-top, 0px);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 14px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.nav-row-brand {
  padding-top: 10px;
  padding-bottom: 8px;
}

.nav-row-tools {
  padding-top: 6px;
  padding-bottom: 10px;
  border-top: 1px solid var(--stroke-3);
  justify-content: flex-end;
  gap: 6px;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
  flex: 1;
}

.app-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--stroke-3);
  box-shadow: var(--shadow-sm);
  object-fit: contain;
  flex-shrink: 0;
}

.brand-text { min-width: 0; }

.app-title {
  margin: 0;
  font-size: 1.10rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.app-subtitle {
  margin-top: 2px;
  color: var(--secondary);
  font-size: 0.74rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 400px) {
  .app-icon { width: 30px; height: 30px; }
  .app-title { font-size: 0.96rem; }
}

/* ── Buttons ── */
.btn {
  border: 1px solid var(--glass-border);
  background: var(--btn-bg);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--label);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
  transition: transform 0.10s ease, opacity 0.14s ease, box-shadow 0.14s ease;
  text-decoration: none;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  user-select: none;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}

.btn:active { transform: scale(0.96); opacity: 0.86; }

.btn-primary {
  background: var(--tint);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 18px rgba(0, 122, 255, 0.40), 0 1px 4px rgba(0, 122, 255, 0.22);
  font-weight: 700;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.28);
}

.btn-danger {
  background: var(--danger-bg);
  border-color: rgba(255, 69, 58, 0.28);
  color: var(--danger);
  backdrop-filter: none;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--tint);
  font-weight: 600;
}

.btn-ghost:hover { background: var(--btn-bg-ghost-hover); }

.btn-install[hidden] { display: none !important; }

.icon { width: 16px; height: 16px; display: inline-block; }

/* ── Segmented control ── */
.seg {
  background: var(--bg-field);
  border: 1px solid var(--stroke-2);
  border-radius: 999px;
  padding: 3px;
  display: inline-flex;
  gap: 2px;
  align-items: stretch;
}

.seg button {
  border: 0;
  background: transparent;
  color: var(--secondary);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.83rem;
  transition: background 0.12s ease, color 0.12s ease, box-shadow 0.12s ease;
  white-space: nowrap;
}

.seg button[aria-selected="true"] {
  background: var(--bg-elev);
  color: var(--label);
  box-shadow: var(--shadow-sm);
}

.seg-small button { padding: 5px 10px; font-size: 0.79rem; }

/* ── Module tiles — tab bar style ── */
.tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin-bottom: 16px;
  background: var(--bg-field);
  border: 1px solid var(--stroke-2);
  border-radius: 18px;
  padding: 4px;
}

.tile {
  text-align: center;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  padding: 11px 10px;
  cursor: pointer;
  transition: background 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.tile:active { transform: scale(0.98); }

.tile.active {
  background: var(--bg-elev);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.tile-badge {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--bg-field);
  border: 1px solid var(--stroke-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-weight: 800;
  font-size: 0.78rem;
  flex-shrink: 0;
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.tile.active .tile-badge {
  background: var(--tint);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.32);
}

.tile-title {
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 0.90rem;
  margin: 0;
  color: var(--secondary);
  transition: color 0.14s ease;
}

.tile.active .tile-title { color: var(--label); font-weight: 800; }

.tile-sub {
  margin: 0;
  color: var(--tertiary);
  font-size: 0.73rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Panels + Cards ── */
.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--bg-elev);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  overflow: hidden;
}

.card.invalid {
  border-color: rgba(255, 69, 58, 0.52);
  box-shadow: 0 0 0 4px rgba(255, 69, 58, 0.12), var(--shadow);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.card-h {
  margin: 0;
  font-size: 1.10rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.card-desc {
  margin: 5px 0 0;
  color: var(--secondary);
  font-weight: 500;
  font-size: 0.88rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--bg-field);
  border: 1px solid var(--stroke-2);
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.76rem;
  white-space: nowrap;
}

.pill.ok  { color: var(--ok);   border-color: rgba(48, 209, 88, 0.38);  background: var(--ok-bg); }
.pill.warn{ color: var(--warn); border-color: rgba(255, 159, 10, 0.38); background: var(--warn-bg); }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--stroke-2);
  background: var(--bg-field);
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.78rem;
  white-space: nowrap;
}
.badge.ok  { color: var(--ok);     border-color: rgba(48,209,88,0.38);  background: var(--ok-bg); }
.badge.low { color: var(--warn);   border-color: rgba(255,159,10,0.38); background: var(--warn-bg); }
.badge.high{ color: var(--danger); border-color: rgba(255,69,58,0.38);  background: var(--danger-bg); }

/* ── Picker chips ── */
.picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.picker-opt {
  flex: 1 0 44px;
  border: 1px solid var(--stroke-1);
  background: var(--bg-field);
  color: var(--secondary);
  padding: 9px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease, transform 0.10s ease;
  text-align: center;
  white-space: nowrap;
}

.picker-opt:active { transform: scale(0.95); }

.picker-opt.active {
  background: var(--tint);
  border-color: transparent;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 3px 12px rgba(0, 122, 255, 0.36);
}

.picker-custom { margin-top: 8px; }
.picker-custom[hidden] { display: none; }

/* ── Info toggle ── */
.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--tint);
  cursor: pointer;
  padding: 2px;
  margin-left: 4px;
  vertical-align: middle;
  opacity: 0.85;
  transition: opacity 0.12s ease, transform 0.12s ease;
  border-radius: 50%;
}

.info-btn:hover { opacity: 1; transform: scale(1.12); }
.info-btn:active { transform: scale(0.90); }

.neubauer-detail {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke-3);
  background: var(--bg-field);
  color: var(--secondary);
  font-size: 0.83rem;
  font-weight: 500;
  line-height: 1.62;
}

.neubauer-detail[hidden] { display: none; }

/* ── Form ── */
.form { display: grid; gap: 14px; }
.field-group { display: grid; gap: 8px; }

label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--label);
  letter-spacing: -0.01em;
}

.hint {
  color: var(--tertiary);
  font-weight: 500;
  font-size: 0.79rem;
  margin-top: -3px;
}

input, select {
  width: 100%;
  background: var(--bg-field);
  border: 1px solid var(--stroke-1);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--label);
  outline: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

input::placeholder { color: var(--tertiary); font-weight: 500; }

input:focus, select:focus {
  border-color: rgba(0, 122, 255, 0.62);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.12);
  background: rgba(0, 122, 255, 0.04);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }

.btn-block {
  width: 100%;
  justify-content: center;
  padding: 15px;
  font-size: 1.02rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ── Results ── */
.result {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--bg-glass);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  overflow: hidden;
  display: none;
  box-shadow: var(--shadow-sm);
}

.result.visible { display: block; }

.result.error {
  border-color: rgba(255, 69, 58, 0.48);
  box-shadow: 0 0 0 4px rgba(255, 69, 58, 0.12);
}

.result-head {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--stroke-3);
  background: var(--bg-field);
}

.result-title {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 0.90rem;
  color: var(--label);
}

.result-list { padding: 0; margin: 0; list-style: none; }

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--stroke-3);
}

.row:last-child { border-bottom: none; }

.k { color: var(--secondary); font-weight: 600; font-size: 0.86rem; }
.v { color: var(--label); font-weight: 700; font-size: 1.05rem; text-align: right; word-break: break-word; }

@media (max-width: 560px) {
  .row { grid-template-columns: 1fr; }
  .v { text-align: left; }
}

/* ── Bottom Sheet ── */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.38);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 80;
  padding: 12px;
}

.sheet-backdrop.open { display: flex; }

.sheet {
  width: min(720px, 100%);
  max-height: 84vh;
  background: var(--bg-elev);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border-radius: 26px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--stroke-1);
  border-radius: 2px;
  margin: 10px auto 0;
}

.sheet-header {
  padding: 14px 18px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--stroke-3);
}

.sheet-title { margin: 0; font-weight: 800; letter-spacing: -0.02em; font-size: 1.05rem; }

.sheet-body { padding: 16px; overflow: auto; }

.section {
  border: 1px solid var(--stroke-2);
  border-radius: var(--radius-sm);
  background: var(--bg-field);
  padding: 14px;
  margin-bottom: 10px;
}

.section:last-child { margin-bottom: 0; }
.section h4 { margin: 0 0 6px 0; font-size: 0.95rem; font-weight: 800; letter-spacing: -0.01em; }
.section p { margin: 0; color: var(--secondary); font-weight: 500; line-height: 1.52; font-size: 0.88rem; }

.formula {
  margin-top: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(0, 122, 255, 0.24);
  background: rgba(0, 122, 255, 0.08);
  font-weight: 700;
  text-align: center;
  color: var(--label);
}

/* ── HostCell Suite Pill (header) ─────────── */
.hc-suite-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.42rem 0.78rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #F5F9FF 0%, #E8F0FE 100%);
  border: 1px solid #C5D9FB;
  box-shadow: 0 1px 3px rgba(60,64,67,0.12);
  text-decoration: none;
  transition: transform 110ms ease, box-shadow 130ms ease, background 130ms ease;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.hc-suite-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(60,64,67,0.15);
  background: linear-gradient(135deg, #EEF5FF 0%, #DCEBFF 100%);
}
.hc-suite-pill:active { transform: scale(0.95); opacity: 0.88; }
.hc-suite-label {
  font-size: 0.70rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #4285F4;
  white-space: nowrap;
  text-transform: uppercase;
  font-family: inherit;
}
@media (prefers-color-scheme: dark) {
  .hc-suite-pill {
    background: linear-gradient(135deg, rgba(66,133,244,0.14) 0%, rgba(66,133,244,0.22) 100%);
    border-color: rgba(66,133,244,0.36);
  }
  .hc-suite-pill:hover {
    background: linear-gradient(135deg, rgba(66,133,244,0.20) 0%, rgba(66,133,244,0.30) 100%);
  }
  .hc-suite-label { color: #7BAAF7; }
}
@media (max-width: 500px) {
  .hc-suite-pill { padding: 0.36rem 0.55rem; }
  .hc-suite-label { font-size: 0.63rem; letter-spacing: 0.02em; }
}

/* ── HostCell Footer ─────────────────────── */
footer.hc-footer {
  margin-top: 24px;
  padding: 14px 16px;
  padding-bottom: calc(14px + var(--safe-bot));
  border-top: 1px solid var(--separator);
  background: var(--nav-bg);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
}
.hc-footer-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hc-footer-suite {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.hc-footer-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #4285F4;
  white-space: nowrap;
}
.hc-footer-slogan {
  font-size: 0.66rem;
  color: var(--secondary);
  white-space: nowrap;
  font-style: italic;
}
.hc-footer-author {
  font-size: 0.77rem;
  color: var(--secondary);
  white-space: nowrap;
  margin-left: auto;
}
.hc-footer-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.40rem 0.88rem;
  border-radius: 999px;
  background: #1e2330;
  color: #FFFFFF;
  font-size: 0.77rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 130ms ease, transform 110ms ease, box-shadow 130ms ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.20);
  flex-shrink: 0;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.hc-footer-github:hover {
  background: #2d3348;
  transform: translateY(-1px);
  box-shadow: 0 3px 9px rgba(0,0,0,0.25);
}
.hc-footer-github:active { transform: scale(0.96); opacity: 0.88; }
.hc-footer-github svg { flex-shrink: 0; }

@media (max-width: 500px) {
  .hc-footer-inner { gap: 7px; }
  .hc-footer-author { margin-left: 0; }
  .hc-footer-github { margin-left: auto; }
}

/* ── Info badge (círculo azul con !) ── */
.btn-info-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--tint);
  color: #fff;
  border: none;
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.14s ease, transform 0.10s ease;
  font-family: inherit;
  user-select: none;
}
.btn-info-badge:active { opacity: 0.80; transform: scale(0.92); }

/* ── iOS install banner ── */
.ios-install-banner {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-elev);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 12px;
}
.ios-install-banner.visible { display: flex; }
.ios-install-banner strong { color: var(--label); }
.ios-install-banner svg { flex-shrink: 0; color: var(--tint); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}