:root {
  color-scheme: dark;
  --bg: #101718;
  --surface: #182123;
  --line: #303b3d;
  --text: #f3f6f5;
  --muted: #a4b1b3;
  --accent: #cbf27b;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: var(--font);
  font-size: 100%;
  background: var(--bg);
  color: var(--text);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
a {
  color: inherit;
}
button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
.page-shell {
  max-width: 1400px;
  padding: 0 56px;
  margin: auto;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -100px;
  padding: 12px;
  background: var(--accent);
  color: var(--bg);
  z-index: 2;
}
.skip-link:focus {
  top: 16px;
}
.site-header {
  height: 104px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -1px;
}
.brand svg {
  width: 31px;
  height: 31px;
  stroke: var(--accent);
  stroke-width: 1.4;
}
.brand-dot {
  color: var(--accent);
}
.header-label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 2px;
}
.header-line {
  height: 12px;
  border-left: 1px solid #647274;
}
.intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 54px 0 48px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin: 0 0 18px;
}
h1 {
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 600;
  letter-spacing: 1px;
  line-height: 1.3;
  margin: 0;
}
.intro-description {
  color: var(--muted);
  font-size: 16px;
  margin: 16px 0 0;
  letter-spacing: 1px;
}
.local-clock {
  text-align: right;
  flex-shrink: 0;
}
.local-clock p {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 12px;
}
.local-clock p > span:last-child {
  margin-left: 12px;
  font: 12px var(--mono);
}
.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 100%;
  margin-right: 8px;
  vertical-align: 2px;
}
.local-time {
  font: 46px/1.1 var(--mono);
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
}
.local-time span {
  font-size: 26px;
  color: var(--accent);
  letter-spacing: -1px;
}
.local-date {
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
}
.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.section-heading {
  display: flex;
  align-items: center;
  gap: 13px;
}
.section-heading h2 {
  font-size: 17px;
  font-weight: 550;
  margin: 0;
}
.section-heading > span {
  font-size: 12px;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 13px;
}
.time-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}
.reference-note {
  font-size: 13px;
  color: var(--muted);
}
.format-toggle {
  padding: 4px;
  display: flex;
  background: #0b1112;
  border: 1px solid var(--line);
  border-radius: 9px;
}
.format-toggle button {
  border: 0;
  border-radius: 5px;
  min-height: 34px;
  padding: 4px 13px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}
.format-toggle button[aria-pressed="true"] {
  background: #344143;
  color: var(--text);
}
.format-toggle button:hover {
  color: var(--text);
}
.clock-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.clock-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 22px 22px 0;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.clock-card:hover {
  border-color: #687879;
}
.clock-card.is-night {
  background: #141c20;
}
.clock-card.reference-card {
  border-color: #748b4a;
  background: #222b20;
}
.clock-card.reference-card:hover {
  border-color: var(--accent);
}
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 22px;
}
.country {
  display: flex;
  align-items: center;
  gap: 8px;
}
.country-code {
  font: 12px/1.5 var(--mono);
  letter-spacing: 1px;
  border: 1px solid #485556;
  border-radius: 3px;
  padding: 0 4px;
}
.day-state {
  display: flex;
  gap: 5px;
  align-items: center;
  color: #dfd5ae;
}
.day-state svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}
.is-night .day-state {
  color: #acb8dc;
}
.city-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
}
h3 {
  font-size: 24px;
  line-height: 1.2;
  margin: 0;
  font-weight: 550;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.reference-badge {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1px;
  line-height: 1.6;
  background: #35472b;
  color: var(--accent);
  border-radius: 3px;
  padding: 1px 5px;
}
.city-english {
  font-size: 13px;
  letter-spacing: 0.2px;
  color: var(--muted);
  margin: 7px 0 0;
}
.analog {
  width: 62px;
  height: 62px;
  flex-shrink: 0;
  margin-left: 2px;
}
.dial {
  fill: transparent;
  stroke: #435053;
  stroke-width: 1;
}
.ticks {
  stroke: #81908f;
  stroke-width: 1;
}
.hour-hand,
.minute-hand {
  stroke: #d2dddc;
  stroke-width: 2.5;
  stroke-linecap: round;
}
.minute-hand {
  stroke-width: 1.5;
  stroke: var(--accent);
}
.pin {
  fill: var(--accent);
}
.digital-row {
  position: relative;
  display: flex;
  gap: 7px;
  align-items: baseline;
  margin-top: 22px;
  flex-wrap: wrap;
}
.digital-time {
  font: clamp(30px, 3vw, 43px)/1.2 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -1.8px;
  white-space: nowrap;
}
.seconds {
  font-size: 22px;
  color: #b0bfbe;
  letter-spacing: -1px;
}
.period {
  position: absolute;
  right: 0;
  top: -17px;
  font-size: 12px;
  color: var(--muted);
}
.period:empty {
  display: none;
}
.reference-card .hours-minutes {
  color: var(--accent);
}
.date-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
  margin-top: 8px;
  margin-bottom: 20px;
  min-height: 20px;
  font-size: 12px;
  color: var(--muted);
}
.date-difference {
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 3px;
  background: #2d383b;
  color: #c6d1d2;
}
.date-difference:empty {
  display: none;
}
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 14px 0;
  font-size: 12px;
  color: var(--muted);
}
.utc-offset {
  font: 12px var(--mono);
  color: #a7b6b7;
  white-space: nowrap;
}
.reference-card .difference {
  color: var(--accent);
}
.reading-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 0 44px;
  font-size: 12px;
  color: var(--muted);
}
.reading-note p {
  margin: 0;
}
.legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.legend > span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.legend i {
  height: 7px;
  width: 7px;
  border-radius: 50%;
  display: block;
}
.day-marker {
  background: #dfd5ae;
}
.night-marker {
  background: #acb8dc;
}
footer {
  padding: 25px 0 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: #89999a;
  font-size: 12px;
}
footer > span:first-child {
  font-weight: 600;
  color: #bdc7c6;
}
footer .footer-end {
  font: 12px var(--mono);
  letter-spacing: 1px;
}
.notice {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
@media (min-width: 1600px) {
  .intro {
    padding-top: 68px;
    padding-bottom: 60px;
  }
  .clock-card {
    padding-top: 25px;
  }
  .digital-row {
    margin-top: 25px;
  }
}
@media (max-width: 1180px) {
  .page-shell {
    padding: 0 32px;
  }
  .clock-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .digital-time {
    font-size: 42px;
  }
  .clock-card {
    padding-left: 21px;
    padding-right: 21px;
  }
}
@media (max-width: 860px) {
  .page-shell {
    padding: 0 24px;
  }
  .intro {
    padding: 40px 0;
  }
  .clock-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .local-time {
    font-size: 36px;
  }
  .local-time span {
    font-size: 23px;
  }
  .intro-description {
    font-size: 14px;
  }
  .reference-note {
    display: none;
  }
  .reading-note {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .header-label {
    font-size: 12px;
    letter-spacing: 1px;
  }
  .digital-time {
    font-size: 43px;
  }
}
@media (max-width: 580px) {
  .page-shell {
    padding: 0 18px;
  }
  .site-header {
    height: 80px;
  }
  .brand {
    font-size: 23px;
  }
  .brand svg {
    width: 27px;
    height: 27px;
  }
  .header-label {
    font-size: 12px;
    letter-spacing: 1px;
  }
  .header-line {
    display: none;
  }
  .header-label {
    max-width: 70px;
    flex-direction: column;
    gap: 4px;
    align-items: flex-end;
    white-space: nowrap;
  }
  .intro {
    display: block;
    padding: 34px 0 30px;
  }
  .eyebrow {
    font-size: 12px;
    margin-bottom: 14px;
  }
  h1 {
    font-size: 32px;
  }
  .intro-description {
    margin-top: 12px;
    letter-spacing: 0.3px;
  }
  .local-clock {
    text-align: left;
    margin-top: 28px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 10px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
  }
  .local-clock p {
    grid-column: 1/-1;
    margin: 0;
  }
  .local-time {
    font-size: 34px;
  }
  .local-date {
    margin: 0;
    font-size: 12px;
    align-self: center;
    max-width: 100px;
    line-height: 1.7;
    text-align: right;
  }
  .section-toolbar {
    gap: 10px;
    margin-bottom: 16px;
  }
  .section-heading {
    gap: 0;
    display: block;
  }
  .section-heading h2 {
    font-size: 16px;
  }
  .section-heading > span {
    display: block;
    margin-top: 5px;
    border: 0;
    padding: 0;
    font-size: 12px;
  }
  .format-toggle button {
    min-height: 34px;
    padding: 4px 11px;
    font-size: 12px;
  }
  .clock-grid {
    gap: 10px;
  }
  .clock-card {
    padding: 16px 14px 0;
    border-radius: 10px;
  }
  .card-top {
    margin-bottom: 17px;
    font-size: 12px;
    gap: 4px;
  }
  .country {
    gap: 5px;
  }
  .country-code {
    font-size: 12px;
    padding: 0 3px;
    letter-spacing: 0;
  }
  .day-state {
    gap: 3px;
    font-size: 12px;
  }
  .day-state svg {
    height: 12px;
    width: 12px;
  }
  h3 {
    font-size: 21px;
    gap: 5px;
  }
  .reference-badge {
    font-size: 12px;
    letter-spacing: 0;
    padding: 1px 3px;
  }
  .city-english {
    font-size: 12px;
    margin-top: 6px;
  }
  .analog {
    width: 39px;
    height: 39px;
  }
  .digital-row {
    margin-top: 21px;
    gap: 4px;
  }
  .digital-time {
    font-size: 31px;
    letter-spacing: -1.5px;
  }
  .seconds {
    font-size: 17px;
    letter-spacing: -0.7px;
  }
  .period {
    font-size: 12px;
  }
  .date-row {
    font-size: 12px;
    gap: 5px;
    min-height: 34px;
    margin-bottom: 12px;
    margin-top: 8px;
    align-content: flex-start;
  }
  .date-difference {
    font-size: 12px;
  }
  .card-bottom {
    padding: 12px 0;
    gap: 7px;
    align-items: flex-start;
    flex-direction: column;
    font-size: 12px;
  }
  .utc-offset {
    font-size: 12px;
  }
  .reading-note {
    font-size: 12px;
    margin: 20px 0 30px;
  }
  .legend {
    gap: 12px;
  }
  footer {
    flex-wrap: wrap;
    font-size: 12px;
    line-height: 1.6;
    padding: 22px 0;
  }
  footer .footer-end {
    width: 100%;
    font-size: 12px;
  }
}
@media (max-width: 370px) {
  .page-shell {
    padding: 0 12px;
  }
  .clock-card {
    padding-left: 11px;
    padding-right: 11px;
  }
  .analog {
    display: none;
  }
  .digital-time {
    font-size: 30px;
  }
  .seconds {
    font-size: 16px;
  }
  h1 {
    font-size: 29px;
  }
  .local-clock {
    padding: 15px;
  }
  .local-date {
    max-width: 82px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

@media (max-width: 580px) {
  .local-date {
    grid-column: 1/-1;
    text-align: left;
    max-width: none;
    font-size: 12px;
  }
  .card-top {
    flex-wrap: wrap;
    row-gap: 7px;
  }
  .city-line {
    gap: 4px;
  }
  .analog {
    width: 35px;
    height: 35px;
  }
  .date-row {
    min-height: 40px;
  }
  .card-bottom {
    min-height: 58px;
  }
  .period {
    font-size: 12px;
  }
  .reference-badge {
    font-size: 12px;
  }
  .legend {
    line-height: 1.6;
  }
}