/* Base Theme - Layout & Common Styles */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--ink);
  background: linear-gradient(135deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  transition: background 120s linear, color 60s linear;
  padding: 48px 20px 64px;
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(0px);
  opacity: 0.55;
  z-index: 0;
  animation: float 18s ease-in-out infinite;
}

body::before {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 107, 91, 0.45), rgba(255, 107, 91, 0));
  top: -120px;
  left: -120px;
}

body::after {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 70% 40%, rgba(44, 179, 165, 0.45), rgba(44, 179, 165, 0));
  bottom: -180px;
  right: -140px;
  animation-delay: -6s;
}

.grain {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(28, 35, 49, 0.05) 1px, transparent 1px);
  background-size: 4px 4px;
  mix-blend-mode: multiply;
  opacity: var(--grain-opacity);
  pointer-events: none;
  z-index: 1;
}

.page {
  width: min(var(--page-max), 100%);
  margin: 0 auto;
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 2;
}

.site-header {
  display: flex;
  justify-content: flex-end;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 32px;
}

.card {
  background: var(--card-bg, var(--paper));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  padding: clamp(32px, 5vw, 56px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
  animation: rise 0.8s ease-out both;
}

.card::before {
  content: "";
  position: absolute;
  top: 24px;
  right: 24px;
  width: 140px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 91, 0.7), transparent);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4vw, 3.6rem);
  margin: 0 0 12px;
}

.lead {
  margin: 0 0 20px;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.timer {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.unit {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  padding: 18px 16px 16px;
  text-align: center;
  animation: fade 0.7s ease-out both;
}

.unit:nth-child(1) {
  animation-delay: 0.1s;
}

.unit:nth-child(2) {
  animation-delay: 0.2s;
}

.unit:nth-child(3) {
  animation-delay: 0.3s;
}

.unit:nth-child(4) {
  animation-delay: 0.4s;
}

.value {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.label {
  display: block;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  margin-top: 6px;
}

.trail {
  margin: 22px 0 0;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.audio-block {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.audio-label {
  margin: 0;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--ink-soft);
}

.subtitle-track {
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.65);
  padding: 10px 0;
}

.subtitle-track span {
  display: inline-block;
  white-space: nowrap;
  padding-left: 100%;
  animation: subtitle-scroll 16s linear infinite;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.audio-player {
  width: 100%;
}

.side {
  display: grid;
  align-content: center;
  gap: 22px;
  padding: 24px 20px;
  animation: rise 0.8s ease-out both;
  animation-delay: 0.15s;
}

.stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(28, 35, 49, 0.2);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.6);
  width: fit-content;
}

.reflection {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}

.signature {
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

noscript {
  display: block;
  margin-top: 18px;
  color: var(--ink-soft);
}

/* Animations */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(20px);
  }
}

@keyframes rise {
  from {
    transform: translateY(18px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fade {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes subtitle-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

/* Mood chooser UI */
#mood-chooser {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  padding: 10px;
  border-radius: 12px;
  display: grid;
  gap: 6px;
  z-index: 9999;
  font-size: 0.85rem;
  min-width: 140px;
}

#mood-chooser label {
  display: none;
}

#mood-chooser select {
  width: 100%;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
}

.mood-actions {
  display: flex;
  gap: 6px;
}

#mood-chooser button {
  flex: 1 1 auto;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(0, 0, 0, 0.06);
  color: inherit;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 900px) {
  .site-header {
    justify-content: flex-start;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .timer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .side {
    padding: 8px 0;
  }
}

@media (max-width: 520px) {
  body {
    padding: 32px 16px 48px;
  }

  .timer {
    grid-template-columns: 1fr;
  }

  #mood-chooser {
    right: 12px;
    bottom: 12px;
    min-width: 120px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}