/* Solo por Hoy Audios — mobile-first (paleta NA, modo claro) */

:root {
  --color-bg: #ffffff;
  --color-bg-soft: #eef1f9;
  --color-surface: #ffffff;
  --color-ink: #121a40;
  --color-ink-muted: #5a6480;
  --color-brand: #1a237e;
  --color-brand-soft: #283593;
  --color-brand-tint: #e8ecf8;
  --color-accent: #3949ab;
  --color-danger: #b54a3c;
  --color-danger-bg: #fceeed;
  --shadow-soft: 0 4px 20px rgba(26, 35, 126, 0.1);
  --shadow-player: 0 -8px 32px rgba(26, 35, 126, 0.16);
  --radius-lg: 1.25rem;
  --radius-md: 0.875rem;
  --radius-sm: 0.625rem;
  --app-bar-h: 5.25rem;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: #ffffff;
  touch-action: manipulation;
  padding-bottom: calc(1.5rem + var(--safe-bottom));
}

/* —— App bar —— */
.app-bar {
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-ink) 8%, transparent);
  z-index: 100;
}

.app-bar-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: var(--app-bar-h);
  padding: 0.75rem 0;
}

.app-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-brand);
  margin: 0;
  line-height: 1.2;
}

.app-subtitle {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  font-weight: 500;
  margin-top: 0.15rem;
}

.app-credit {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
  font-weight: 400;
  font-style: italic;
  opacity: 0.85;
  margin-top: 0.1rem;
}

.app-main {
  padding-top: 1.25rem;
  padding-bottom: 2rem;
  max-width: 42rem;
  margin: 0 auto;
}

/* —— Month navigation —— */
.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.month-label {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 1.85rem);
  font-weight: 600;
  margin: 0;
  text-align: center;
  flex: 1;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.month-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-brand);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
  touch-action: manipulation;
}

.month-nav-btn:hover {
  background: var(--color-brand-tint);
}

.month-nav-btn:active {
  transform: scale(0.94);
}

.month-chips {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0.25rem 0 1rem;
  margin: 0 -0.25rem;
  scrollbar-width: none;
}

.month-chips::-webkit-scrollbar {
  display: none;
}

.month-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border: none;
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-ink-muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(26, 35, 126, 0.08);
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
  touch-action: manipulation;
}

.month-chip:hover {
  color: var(--color-brand);
}

.month-chip:active {
  transform: scale(0.96);
}

.month-chip.is-active {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-brand) 35%, transparent);
}

/* —— Calendar grid —— */
.calendar-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}

.days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
}

.day-btn {
  aspect-ratio: 1;
  min-width: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: clamp(0.875rem, 3.2vw, 1rem);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.day-btn:hover {
  background: var(--color-brand-tint);
  color: var(--color-brand);
}

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

.day-btn.is-selected {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--color-brand) 40%, transparent);
}

.day-btn.is-today:not(.is-selected) {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

/* —— Player sheet —— */
.player-sheet[hidden] {
  display: none !important;
}

.player-sheet {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  pointer-events: none;
}

.player-sheet.is-open {
  pointer-events: auto;
}

.player-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 26, 22, 0.45);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.player-sheet.is-open .player-sheet-backdrop {
  opacity: 1;
}

.player-sheet-panel {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 0.5rem 1.25rem calc(1.5rem + var(--safe-bottom));
  box-shadow: var(--shadow-player);
  transform: translateY(110%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  max-width: 42rem;
  width: 100%;
  margin: 0 auto;
}

.player-sheet.is-open .player-sheet-panel {
  transform: translateY(0);
}

.player-handle {
  width: 2.5rem;
  height: 0.3rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-ink) 18%, transparent);
  margin: 0.35rem auto 1rem;
}

.player-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.player-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-brand-soft);
}

.player-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0.15rem 0 0;
  color: var(--color-ink);
}

.player-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--color-bg-soft);
  color: var(--color-ink-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease, color 0.2s ease;
  touch-action: manipulation;
}

.player-close:hover {
  background: var(--color-brand-tint);
  color: var(--color-brand);
}

.player-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  font-weight: 500;
  font-size: 0.9375rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.player-progress-wrap {
  margin-bottom: 1.25rem;
}

.player-scrub,
.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2.75rem;
  margin: 0;
  background: transparent;
  cursor: pointer;
  touch-action: none;
}

.player-scrub::-webkit-slider-runnable-track,
.volume-slider::-webkit-slider-runnable-track {
  height: 0.4rem;
  border-radius: 999px;
  background: var(--color-bg-soft);
}

.player-scrub::-moz-range-track,
.volume-slider::-moz-range-track {
  height: 0.4rem;
  border-radius: 999px;
  background: var(--color-bg-soft);
}

.player-scrub::-webkit-slider-thumb,
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid var(--color-surface);
  box-shadow: 0 2px 8px rgba(26, 35, 126, 0.28);
  margin-top: calc((0.4rem - 1.35rem) / 2);
}

.player-scrub::-moz-range-thumb,
.volume-slider::-moz-range-thumb {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid var(--color-surface);
  box-shadow: 0 2px 8px rgba(26, 35, 126, 0.28);
}

.player-scrub:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.player-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
  margin-top: -0.35rem;
  padding: 0 0.15rem;
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.player-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.15s ease, background 0.2s ease, opacity 0.2s ease;
}

.player-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.player-btn:not(:disabled):active {
  transform: scale(0.94);
}

.player-btn-primary {
  width: 4.25rem;
  height: 4.25rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--color-brand) 40%, transparent);
}

.player-btn-primary:not(:disabled):hover {
  background: var(--color-brand-soft);
}

.player-btn-secondary {
  width: 3rem;
  height: 3rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
  background: var(--color-bg-soft);
  color: var(--color-ink);
}

.player-btn-secondary:not(:disabled):hover {
  background: var(--color-brand-tint);
  color: var(--color-brand);
}

.player-volume {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-ink-muted);
  max-width: 16rem;
  margin: 0 auto;
}

.volume-slider {
  flex: 1;
  height: 2.25rem;
}

/* —— Desktop —— */
@media (min-width: 768px) {
  .app-main {
    padding-top: 1.75rem;
  }

  .calendar-panel {
    padding: 1.35rem;
  }

  .days-grid {
    gap: 0.55rem;
  }

  .day-btn {
    border-radius: var(--radius-md);
    font-size: 1.05rem;
  }

  .player-sheet-panel {
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    max-width: 28rem;
  }

  .player-sheet {
    padding: 0 1rem;
    align-items: flex-end;
  }
}