:root {
  --bg-1: #FFF6E9;
  --bg-2: #E0F7FA;
  --ink: #37474F;
  --ink-soft: #607D8B;
  --card: #FFFFFF;
  --accent: #FF7043;
  --accent-2: #4FC3F7;
  --shadow: 0 10px 30px rgba(55, 71, 79, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Baloo 2', 'Nunito', 'Trebuchet MS', 'Verdana', sans-serif;
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 100%);
  color: var(--ink);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.app-header h1 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--ink);
}

.app-header .subtitle {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: transform .15s ease, border-color .15s ease;
}
.icon-btn:hover { transform: translateY(-2px); border-color: var(--accent); }

main {
  padding: 12px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  width: 100%;
}

.clock-section {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  align-items: center;
}

.clock-face-wrap {
  position: relative;
  width: min(440px, 90vw);
}

.digital-time {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--ink);
  background: rgba(255,255,255,0.85);
  padding: 4px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  letter-spacing: 1px;
}

.active-zone-card {
  flex: 1;
  min-width: 240px;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #fff, #f4f9ff);
  border: 3px dashed #e0e0e0;
  text-align: center;
  min-height: 220px;
  justify-content: center;
}

.active-zone-card img {
  width: 88px;
  height: 88px;
}

.active-zone-card h2 {
  margin: 0;
  font-size: 1.5rem;
}

.active-zone-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.active-zone-card .zone-time {
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}

.timeline-section h2 {
  margin: 0 0 16px;
  font-size: 1.3rem;
}

.timeline-wrap {
  overflow-x: auto;
}

#timeline-svg {
  width: 100%;
  min-width: 900px;
  height: auto;
  display: block;
}

.schedule-section h2 {
  margin: 0 0 16px;
  font-size: 1.3rem;
}

.schedule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.schedule-item {
  display: grid;
  grid-template-columns: 8.5rem 40px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border-left: 8px solid var(--zone-color);
  background: #FAFAFA;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.schedule-item:hover { background: #F1F5F9; }

.schedule-item.is-active {
  background: color-mix(in srgb, var(--zone-color) 25%, #fff);
  transform: scale(1.01);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.schedule-time {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-size: 1.05rem;
}

.schedule-icon img {
  width: 36px;
  height: 36px;
  display: block;
}

.schedule-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.schedule-dur {
  color: var(--ink-soft);
  font-size: 0.95rem;
  white-space: nowrap;
}

.schedule-empty {
  color: var(--ink-soft);
}

.zone-tooltip {
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 20px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .app-header { padding: 16px; }
  main { padding: 8px 12px 40px; }
  .card { padding: 16px; }
  .schedule-item {
    grid-template-columns: 32px 1fr auto;
    grid-template-areas: "icon title dur" "icon time time";
    row-gap: 2px;
  }
  .schedule-icon { grid-area: icon; }
  .schedule-icon img { width: 30px; height: 30px; }
  .schedule-title { grid-area: title; }
  .schedule-dur { grid-area: dur; }
  .schedule-time { grid-area: time; font-size: 0.95rem; }
}