:root {
  --bg: #0b0b10;
  --surface: #16161d;
  --surface-2: #1e1e28;
  --border: #2a2a36;
  --text: #f2f2f5;
  --text-dim: #9797a6;
  --flame: #f5a623;
  --flame-glow: rgba(245, 166, 35, 0.35);
  --good: #34d19a;
  --good-dim: #1c7a5c;
  --bad: #ef5b5b;
  --bad-dim: #7a2c2c;
  --radius: 20px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  height: 100%;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 16px) 20px 12px;
}

.brand {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.notif-pill {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.notif-pill:active { transform: scale(0.96); }

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 20px 32px;
  gap: 24px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.streak-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 20px 18px;
  width: 100%;
}

#categories {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.streak-flame {
  font-size: 64px;
  line-height: 1;
  filter: grayscale(1) opacity(0.35);
  transition: filter 0.4s ease;
}

.streak-flame.active {
  filter: none;
  text-shadow: 0 0 40px var(--flame-glow);
  animation: flicker 2.4s ease-in-out infinite;
}

@keyframes flicker {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.05) rotate(-1deg); }
}

.streak-number {
  font-size: clamp(56px, 22vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.streak-label {
  color: var(--text-dim);
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.status-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.status-text {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.status-ok { color: var(--good); }
.status-bad { color: var(--bad); }

.install-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom) + 16px);
  max-width: 448px;
  margin: 0 auto;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 40px 16px 16px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.install-banner p { margin: 0; }

.install-dismiss {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 6px;
}

@keyframes pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

.pop { animation: pop 0.35s ease; }

/* Tarjetas de categorías secundarias */

.cat-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cat-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cat-emoji {
  font-size: 24px;
  line-height: 1;
}

.cat-name {
  font-weight: 800;
  font-size: 16px;
  flex: 1;
}

.cat-streak {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 800;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

.cat-status {
  margin: 0;
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 700;
}

.countdown-sm {
  font-size: 20px;
}

.cat-buttons {
  display: flex;
  gap: 10px;
}

.cat-btn {
  font-family: inherit;
  font-weight: 900;
  font-size: 18px;
  border: none;
  border-radius: 12px;
  width: 48px;
  height: 44px;
  cursor: pointer;
  color: #0b0b10;
  transition: transform 0.12s ease;
}

.cat-btn:active { transform: scale(0.92); }

.cat-btn-yes {
  background: var(--good);
  box-shadow: 0 3px 0 var(--good-dim);
}

.cat-btn-no {
  background: var(--bad);
  box-shadow: 0 3px 0 var(--bad-dim);
}

.cat-buttons--lg {
  justify-content: center;
  gap: 16px;
}

.cat-btn--lg {
  width: 72px;
  height: 60px;
  font-size: 26px;
  border-radius: 16px;
}

/* Calendario combinado */

.calendar {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.calendar-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 800;
  text-transform: capitalize;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 6px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-dim);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-day {
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 4px 2px;
}

.cal-day--empty {
  background: transparent;
  border-color: transparent;
}

.cal-day--today {
  border-color: var(--flame);
}

.cal-daynum {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-dim);
}

.cal-dots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.cal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
}

.cal-dot--yes { background: var(--good); }
.cal-dot--no { background: var(--bad); }

.calendar-legend {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
}