:root {
  color-scheme: dark;
  --bg: #07142a;
  --panel: #0f2446;
  --panel-soft: #14325f;
  --text: #ecf4ff;
  --muted: #95afcc;
  --accent: #4cc9ff;
  --ring: #88d8ff;
  --line: #2f4f7f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #12376d, var(--bg));
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 16px;
}

.title-block h1 {
  margin: 0;
  font-size: 28px;
}

.title-block p {
  margin: 6px 0 0;
  color: var(--muted);
}

.server-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  justify-content: flex-end;
  align-items: center;
  background: rgba(10, 26, 50, 0.65);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.server-controls label {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.server-controls select {
  min-width: 118px;
}

select,
button {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 10px;
}

.layout {
  display: block;
}

.globe-panel {
  background: rgba(10, 27, 52, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.server-time-readout {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.server-time-readout span {
  color: var(--muted);
}

.server-time-readout strong {
  color: var(--accent);
  font-size: 22px;
}

.server-offset-inline {
  margin-left: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.server-offset-inline label {
  color: var(--muted);
  font-size: 13px;
}

.server-offset-inline select {
  min-width: 130px;
}

.globe-stage {
  position: relative;
  width: 100%;
  min-height: 860px;
  border-radius: 12px;
  overflow: visible;
  background: radial-gradient(circle at center, #092857, #06183a 72%);
}

#globe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: block;
  cursor: pointer;
  touch-action: none;
}

.quick-presets {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quick-presets button {
  cursor: pointer;
}

.beijing-now {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.beijing-now span {
  color: var(--muted);
  font-size: 13px;
}

#beijing-now-btn {
  font-weight: 600;
  min-width: 110px;
}

.zones-ring {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.zone-card {
  position: absolute;
  width: 92px;
  height: 92px;
  border: 2px solid #6ca8ff;
  border-radius: 12px;
  padding: 5px 6px 4px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 3px;
  background: #2b3f77;
  transition: transform 120ms ease;
  pointer-events: none;
}

.zone-card:hover {
  transform: translateY(-1px);
}

.zone-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
  min-height: 0;
}

.zone-card .utc {
  color: #d8ecff;
  font-size: 9px;
  line-height: 1.2;
  flex-shrink: 0;
  max-width: 52%;
}

.zone-card .card-time-big {
  color: #f2fbff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  text-align: right;
  letter-spacing: -0.02em;
}

.zone-card .flag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  min-height: 0;
  align-content: stretch;
}

.zone-card .flag-cell {
  position: relative;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(230, 244, 255, 0.55);
  aspect-ratio: 3 / 2;
  min-height: 0;
}

.zone-card .flag-image-mini {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.zone-card .flag-fallback-mini {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  font-size: 9px;
  font-weight: 700;
  color: #e9f6ff;
  background: rgba(6, 24, 48, 0.75);
}

.zone-card .zone-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  min-height: 12px;
}

.zone-card[data-display-mode="names"] .zone-card-footer {
  justify-content: flex-end;
}

.zone-card .city-foot {
  color: #e9f6ff;
  font-size: 9px;
  font-weight: 600;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
  text-align: left;
}

.zone-card .day-tag {
  color: #e9f6ff;
  opacity: 0.85;
  font-size: 9px;
  line-height: 1;
  flex-shrink: 0;
}

.zone-card .names-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  min-height: 0;
  overflow: hidden;
}

.zone-card .city-line {
  font-size: 11px;
  font-weight: 600;
  line-height: 1.15;
  color: #f2fbff;
  text-align: center;
}

.zone-card .city-line.secondary {
  font-size: 10px;
  font-weight: 500;
  color: #d8ecff;
  opacity: 0.95;
}

.zone-card[data-display-mode="names"] .card-time-big {
  font-size: 14px;
}

@media (max-width: 1080px) {
  .globe-stage {
    min-height: 760px;
  }

  .zone-card {
    width: 84px;
    height: 84px;
    padding: 4px 5px 3px;
  }

  .zone-card .card-time-big {
    font-size: 13px;
  }

  .zone-card .flag-grid {
    gap: 2px;
  }

  .zone-card[data-display-mode="names"] .card-time-big {
    font-size: 12px;
  }

  .zone-card .city-line {
    font-size: 10px;
  }

  .zone-card .city-line.secondary {
    font-size: 9px;
  }
}

@media (max-width: 760px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .server-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .globe-stage {
    min-height: 680px;
  }

  .server-time-readout {
    align-items: flex-start;
    gap: 8px 12px;
  }

  .server-offset-inline {
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
  }

  .server-offset-inline select {
    min-width: 110px;
    max-width: 100%;
  }
}