.world-clock-app,
.world-clock-saver {
  --wc-bg: var(--card);
  --wc-surface: var(--surface);
  --wc-fg: var(--fg);
  --wc-muted: var(--muted);
  --wc-border: var(--border);
  --wc-accent: var(--accent);
  --wc-shadow: var(--shadow);
  --wc-ring: rgba(11, 87, 208, 0.2);
  --wc-danger: #d93025;
  --wc-work: #0ea5e9;
  --wc-card: var(--wc-surface);
  --wc-saver-bg: radial-gradient(1200px circle at 10% 10%, rgba(11, 87, 208, 0.12), transparent 60%),
    radial-gradient(900px circle at 80% 20%, rgba(16, 185, 129, 0.12), transparent 55%),
    linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
  --wc-saver-card: color-mix(in srgb, var(--wc-surface) 92%, transparent);
}

.world-clock-app {
  display: grid;
  gap: 16px;
}

.world-clock-app[data-theme="light"],
.world-clock-saver[data-theme="light"] {
  --wc-bg: #f6f8fa;
  --wc-surface: #ffffff;
  --wc-fg: #111827;
  --wc-muted: #64748b;
  --wc-border: #d0d7de;
  --wc-accent: #0b57d0;
  --wc-shadow: 0 12px 32px rgba(12, 20, 33, 0.08);
  --wc-ring: rgba(11, 87, 208, 0.2);
}

.world-clock-app[data-theme="dark"],
.world-clock-saver[data-theme="dark"] {
  --wc-bg: #0b1220;
  --wc-surface: #0f1a2c;
  --wc-fg: #e6edf6;
  --wc-muted: #9aaecd;
  --wc-border: #1a2a41;
  --wc-accent: #93b8ff;
  --wc-shadow: 0 18px 40px rgba(3, 8, 20, 0.6);
  --wc-ring: rgba(147, 184, 255, 0.22);
  --wc-card: #0f1a2c;
  --wc-saver-bg: radial-gradient(1200px circle at 10% 10%, rgba(147, 184, 255, 0.08), transparent 60%),
    radial-gradient(900px circle at 80% 20%, rgba(16, 185, 129, 0.08), transparent 55%),
    linear-gradient(180deg, #060b16 0%, #0b1220 100%);
  --wc-saver-card: rgba(8, 14, 26, 0.88);
}

.world-clock-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.world-clock-head h2 {
  margin: 0 0 6px;
}

.world-clock-head-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.world-clock-head-actions .button.ghost {
  background: transparent;
}

.world-clock-settings {
  background: var(--wc-bg);
  border: 1px solid var(--wc-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--wc-shadow);
  display: grid;
  gap: 12px;
}

.world-clock-settings-title {
  font-weight: 700;
}

.world-clock-settings-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.world-clock-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.world-clock-field--full {
  grid-column: 1 / -1;
}

.world-clock-field span {
  color: var(--wc-muted);
  font-size: 0.9rem;
}

.world-clock-field input,
.world-clock-field select {
  border-radius: 10px;
  border: 1px solid var(--wc-border);
  background: var(--wc-surface);
  color: var(--wc-fg);
  padding: 8px 10px;
  font-size: 0.95rem;
}

.world-clock-field input:focus-visible,
.world-clock-field select:focus-visible {
  outline: 2px solid var(--wc-accent);
  outline-offset: 2px;
}

.world-clock-seg {
  display: flex;
  gap: 8px;
}

.world-clock-seg button {
  flex: 1;
  border-radius: 10px;
  border: 1px solid var(--wc-border);
  background: transparent;
  color: var(--wc-fg);
  padding: 8px 10px;
  cursor: pointer;
  font-weight: 600;
}

.world-clock-seg button.is-active {
  border-color: color-mix(in srgb, var(--wc-accent) 50%, transparent);
  background: color-mix(in srgb, var(--wc-accent) 18%, transparent);
}

.world-clock-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  position: relative;
}

.world-clock-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.world-clock-toggle-ui {
  width: 44px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--wc-border);
  background: color-mix(in srgb, var(--wc-surface) 70%, transparent);
  position: relative;
}

.world-clock-toggle-ui::after {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--wc-fg);
  position: absolute;
  top: 50%;
  left: 4px;
  transform: translateY(-50%);
  transition: left 0.18s ease;
  opacity: 0.9;
}

.world-clock-toggle input:checked + .world-clock-toggle-ui::after {
  left: 20px;
  background: var(--wc-accent);
}

.world-clock-toggle input:focus-visible + .world-clock-toggle-ui {
  outline: 2px solid var(--wc-accent);
  outline-offset: 2px;
}

.world-clock-work {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px dashed var(--wc-border);
  border-radius: 12px;
  padding: 10px 12px;
}

.world-clock-work-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.world-clock-work-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.world-clock-work-right label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--wc-muted);
  font-size: 0.85rem;
}

.world-clock-board {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.world-clock-saver {
  position: relative;
  display: grid;
  gap: 14px;
}

.world-clock-saver.is-saver,
.world-clock-app.is-saver .world-clock-saver,
.world-clock-saver:fullscreen,
.world-clock-saver:-webkit-full-screen {
  width: 100%;
  height: 100%;
  padding: clamp(16px, 3vw, 40px);
  padding-top: max(env(safe-area-inset-top), clamp(16px, 3vw, 40px));
  padding-right: max(env(safe-area-inset-right), clamp(16px, 3vw, 40px));
  padding-bottom: max(env(safe-area-inset-bottom), clamp(16px, 3vw, 40px));
  padding-left: max(env(safe-area-inset-left), clamp(16px, 3vw, 40px));
  background: var(--wc-saver-bg);
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 2vw, 20px);
}

@media (max-width: 980px) {
  .world-clock-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .world-clock-board {
    grid-template-columns: 1fr;
  }
}

.world-clock-card {
  background: var(--wc-card);
  border: 1px solid var(--wc-border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--wc-shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.world-clock-card.is-working {
  border-color: color-mix(in srgb, var(--wc-work) 55%, var(--wc-border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--wc-work) 25%, transparent), var(--wc-shadow);
}

.world-clock-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.world-clock-card-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
}

.world-clock-card-tz {
  color: var(--wc-muted);
  font-size: 0.8rem;
  margin-top: 2px;
}

.world-clock-card-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.world-clock-pill {
  border-radius: 999px;
  border: 1px solid var(--wc-border);
  padding: 4px 8px;
  font-size: 0.75rem;
  color: var(--wc-muted);
  background: color-mix(in srgb, var(--wc-surface) 80%, transparent);
  white-space: nowrap;
}

.world-clock-pill[data-phase="day"] {
  color: #0ea5e9;
  border-color: color-mix(in srgb, #0ea5e9 40%, var(--wc-border));
  background: color-mix(in srgb, #0ea5e9 12%, transparent);
}

.world-clock-pill[data-phase="night"] {
  color: #6366f1;
  border-color: color-mix(in srgb, #6366f1 40%, var(--wc-border));
  background: color-mix(in srgb, #6366f1 12%, transparent);
}

.world-clock-pill.is-work {
  color: #10b981;
  border-color: color-mix(in srgb, #10b981 40%, var(--wc-border));
  background: color-mix(in srgb, #10b981 12%, transparent);
}

.world-clock-card-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items: center;
}

@media (max-width: 640px) {
  .world-clock-card-body {
    grid-template-columns: 120px 1fr;
  }
}

.world-clock-clock {
  width: 100%;
  height: auto;
  display: block;
}

.world-clock-rim {
  fill: none;
  stroke: var(--wc-border);
  stroke-width: 3;
}

.world-clock-face {
  fill: color-mix(in srgb, var(--wc-surface) 92%, transparent);
  stroke: color-mix(in srgb, var(--wc-border) 40%, transparent);
  stroke-width: 1;
}

.world-clock-marks line {
  stroke: color-mix(in srgb, var(--wc-muted) 45%, transparent);
  stroke-width: 2;
  stroke-linecap: round;
}

.world-clock-marks line.minor {
  stroke-width: 1;
  opacity: 0.65;
}

.world-clock-nums text {
  fill: var(--wc-muted);
  font-size: 10px;
  font-weight: 700;
  dominant-baseline: middle;
}

.world-clock-hand {
  stroke: var(--wc-fg);
  stroke-linecap: round;
  transform-origin: 50px 50px;
}

.world-clock-hand.hour {
  stroke-width: 3.6;
}

.world-clock-hand.min {
  stroke-width: 2.4;
  opacity: 0.9;
}

.world-clock-hand.sec {
  stroke-width: 1.8;
  stroke: var(--wc-accent);
  opacity: 0.95;
}

.world-clock-pin {
  fill: var(--wc-fg);
  opacity: 0.85;
}

.world-clock-digital {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.world-clock-time {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: 0.4px;
  font-variant-numeric: tabular-nums;
}

.world-clock-date {
  color: var(--wc-muted);
  font-size: 0.85rem;
}

.world-clock-offset {
  color: var(--wc-muted);
  font-size: 0.75rem;
}

.world-clock-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.world-clock-icon-button {
  border-radius: 10px;
  border: 1px solid var(--wc-border);
  background: transparent;
  color: var(--wc-fg);
  padding: 6px 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
}

.world-clock-icon-button:focus-visible {
  outline: 2px solid var(--wc-accent);
  outline-offset: 2px;
}

.world-clock-empty {
  border: 1px dashed var(--wc-border);
  border-radius: 14px;
  padding: 14px;
  color: var(--wc-muted);
  text-align: center;
  display: none;
}

.world-clock-empty.show {
  display: block;
}

.world-clock-notice {
  border: 1px dashed var(--wc-border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--wc-muted);
  font-size: 0.9rem;
}

.world-clock-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(3, 6, 16, 0.7);
  padding: 16px;
  z-index: 40;
}

.world-clock-modal[aria-hidden="false"] {
  display: flex;
}

.world-clock-modal-card {
  width: min(860px, 100%);
  background: var(--wc-surface);
  border: 1px solid var(--wc-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--wc-shadow);
}

.world-clock-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.world-clock-modal-title {
  font-weight: 700;
  font-size: 1rem;
}

.world-clock-modal-body {
  margin-top: 12px;
  display: grid;
  gap: 12px;
}

.world-clock-modal-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.world-clock-modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.world-clock-modal-status {
  color: var(--wc-danger);
  font-size: 0.9rem;
  margin-left: auto;
}

.world-clock-preset-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.world-clock-preset-button {
  border: 1px solid var(--wc-border);
  border-radius: 999px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--wc-surface) 85%, transparent);
  color: var(--wc-fg);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}

.world-clock-preset-button:hover {
  border-color: color-mix(in srgb, var(--wc-accent) 40%, var(--wc-border));
}

.world-clock-share-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.world-clock-share-row input {
  border-radius: 10px;
  border: 1px solid var(--wc-border);
  background: var(--wc-surface);
  color: var(--wc-fg);
  padding: 8px 10px;
  font-size: 0.9rem;
  width: 100%;
}

.world-clock-share-row input:focus-visible {
  outline: 2px solid var(--wc-accent);
  outline-offset: 2px;
}

.world-clock-textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--wc-border);
  background: var(--wc-surface);
  color: var(--wc-fg);
  padding: 8px 10px;
  font-size: 0.9rem;
  min-height: 120px;
  resize: vertical;
}

.world-clock-textarea:focus-visible {
  outline: 2px solid var(--wc-accent);
  outline-offset: 2px;
}

.world-clock-toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(3, 6, 16, 0.82);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: none;
  z-index: 50;
}

.world-clock-toast.show {
  display: block;
}

.world-clock-fs-bar {
  position: sticky;
  top: 0;
  display: none;
  justify-content: flex-end;
  gap: 8px;
  padding: 6px 0;
  z-index: 10;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.world-clock-fs-bar .button {
  background: transparent;
  color: var(--wc-fg);
}

.world-clock-app.is-saver .world-clock-fs-bar,
.world-clock-saver:fullscreen .world-clock-fs-bar,
.world-clock-saver:-webkit-full-screen .world-clock-fs-bar,
.world-clock-saver.is-saver .world-clock-fs-bar {
  display: flex;
  position: fixed;
  top: clamp(16px, 3vw, 30px);
  right: clamp(16px, 3vw, 30px);
  z-index: 2000;
  border: 1px solid color-mix(in srgb, var(--wc-border) 70%, transparent);
  background: color-mix(in srgb, var(--wc-surface) 78%, transparent);
  border-radius: 999px;
  padding: 6px 10px;
}

.world-clock-app.is-saver[data-controls="hidden"] .world-clock-fs-bar,
.world-clock-saver[data-controls="hidden"] .world-clock-fs-bar,
.world-clock-saver:fullscreen[data-controls="hidden"] .world-clock-fs-bar,
.world-clock-saver:-webkit-full-screen[data-controls="hidden"] .world-clock-fs-bar {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

.world-clock-saver.is-saver .world-clock-board,
.world-clock-saver:fullscreen .world-clock-board,
.world-clock-saver:-webkit-full-screen .world-clock-board {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(12px, 2vw, 24px);
  align-content: center;
  flex: 1 1 auto;
  min-height: 0;
}

.world-clock-saver.is-saver[data-cols="1"] .world-clock-board,
.world-clock-saver:fullscreen[data-cols="1"] .world-clock-board,
.world-clock-saver:-webkit-full-screen[data-cols="1"] .world-clock-board {
  grid-template-columns: repeat(1, minmax(220px, 1fr));
}

.world-clock-saver.is-saver[data-cols="2"] .world-clock-board,
.world-clock-saver:fullscreen[data-cols="2"] .world-clock-board,
.world-clock-saver:-webkit-full-screen[data-cols="2"] .world-clock-board {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.world-clock-saver.is-saver[data-cols="3"] .world-clock-board,
.world-clock-saver:fullscreen[data-cols="3"] .world-clock-board,
.world-clock-saver:-webkit-full-screen[data-cols="3"] .world-clock-board {
  grid-template-columns: repeat(3, minmax(220px, 1fr));
}

.world-clock-saver.is-saver[data-cols="4"] .world-clock-board,
.world-clock-saver:fullscreen[data-cols="4"] .world-clock-board,
.world-clock-saver:-webkit-full-screen[data-cols="4"] .world-clock-board {
  grid-template-columns: repeat(4, minmax(220px, 1fr));
}

.world-clock-saver.is-saver .world-clock-card,
.world-clock-saver:fullscreen .world-clock-card,
.world-clock-saver:-webkit-full-screen .world-clock-card {
  background: var(--wc-saver-card);
  border-color: color-mix(in srgb, var(--wc-border) 70%, transparent);
  box-shadow: 0 16px 40px rgba(6, 12, 24, 0.35);
}

.world-clock-saver.is-saver .world-clock-card-actions,
.world-clock-saver:fullscreen .world-clock-card-actions,
.world-clock-saver:-webkit-full-screen .world-clock-card-actions {
  display: none;
}

.world-clock-saver.is-saver .world-clock-card-body,
.world-clock-saver:fullscreen .world-clock-card-body,
.world-clock-saver:-webkit-full-screen .world-clock-card-body {
  grid-template-columns: minmax(120px, 160px) 1fr;
  align-items: center;
}

.world-clock-saver.is-saver .world-clock-time,
.world-clock-saver:fullscreen .world-clock-time,
.world-clock-saver:-webkit-full-screen .world-clock-time {
  font-size: clamp(1.6rem, 2.2vw, 2.4rem);
}

.world-clock-saver.is-saver .world-clock-empty,
.world-clock-saver:fullscreen .world-clock-empty,
.world-clock-saver:-webkit-full-screen .world-clock-empty {
  background: color-mix(in srgb, var(--wc-saver-card) 90%, transparent);
}

.world-clock-board.is-dense .world-clock-time {
  font-size: 1.4rem;
}

.world-clock-board.is-dense .world-clock-card-body {
  grid-template-columns: 120px 1fr;
}

.world-clock-saver.is-saver .world-clock-card,
.world-clock-saver:fullscreen .world-clock-card,
.world-clock-saver:-webkit-full-screen .world-clock-card {
  animation: wc-saver-float 14s ease-in-out infinite;
}

.world-clock-saver.is-saver .world-clock-card:nth-child(2n),
.world-clock-saver:fullscreen .world-clock-card:nth-child(2n),
.world-clock-saver:-webkit-full-screen .world-clock-card:nth-child(2n) {
  animation-delay: 1.5s;
}

.world-clock-saver.is-saver .world-clock-card:nth-child(3n),
.world-clock-saver:fullscreen .world-clock-card:nth-child(3n),
.world-clock-saver:-webkit-full-screen .world-clock-card:nth-child(3n) {
  animation-delay: 3s;
}

@keyframes wc-saver-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .world-clock-app * {
    transition: none !important;
    animation: none !important;
  }
}