:root {
  color-scheme: light;
  --bg: #faf9f5;
  --surface: #ffffff;
  --ink: #1f1e1d;
  --ink-soft: #68655f;
  --ink-muted: #969188;
  --line: rgba(31, 30, 29, 0.09);
  --clay: #c96442;
  --clay-soft: rgba(201, 100, 66, 0.48);
  --green: #4f8f67;
  --serif: "Tiempos Text", "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Songti SC", "Noto Serif CJK SC", serif;

  font-family: var(--serif);
  font-feature-settings: "onum", "pnum";
  background: var(--bg);
  color: var(--ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
}

main {
  width: min(1480px, calc(100vw - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(10px, 1.6vh, 20px) 0;
  display: grid;
  align-content: center;
}

.panelStack {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(420px, 680px);
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
}

.countdownStack {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.countdownPanel,
.missingPanel {
  display: grid;
  grid-template-rows: auto auto auto auto;
  align-content: start;
  min-width: 0;
  min-height: clamp(280px, 34vh, 430px);
  gap: clamp(4px, 0.7vh, 8px);
  padding: clamp(10px, 1.5vw, 20px) clamp(18px, 2.6vw, 34px) clamp(10px, 1.5vw, 18px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow:
    0 1px 0 rgba(31, 30, 29, 0.02),
    0 12px 40px -16px rgba(31, 30, 29, 0.08);
}

.panelTop h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.panelTop,
.daysLine,
.subCountdown,
footer {
  min-width: 0;
}

.daysLine {
  display: flex;
  justify-content: center;
  align-items: baseline;
  align-self: start;
  gap: clamp(8px, 1.4vw, 16px);
  margin: 0 0 clamp(10px, 2vh, 22px);
}

.daysLine strong {
  color: var(--clay);
  font-size: clamp(104px, 18vw, 220px);
  font-weight: 800;
  font-variant-numeric: tabular-nums lining-nums;
  line-height: 0.82;
  letter-spacing: 0;
}

.daysLine span {
  color: var(--ink-soft);
  font-size: clamp(20px, 2.5vw, 32px);
  line-height: 1;
}

.subCountdown {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-items: center;
  width: 100%;
  gap: clamp(6px, 1vw, 12px);
}

.subCountdown div {
  display: flex;
  align-items: baseline;
  justify-content: center;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  gap: 6px;
}

.subCountdown strong {
  color: var(--ink);
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: 0;
}

.subCountdown span {
  color: var(--ink-muted);
  font-size: clamp(17px, 1.8vw, 24px);
}

.deadlineProgress {
  width: 100%;
  height: 2px;
  margin-top: clamp(10px, 1.4vh, 16px);
  border-radius: 1px;
  background: var(--line);
  overflow: hidden;
}

.deadlineProgress > div {
  height: 100%;
  width: 0;
  background: var(--clay);
  transition: width 240ms ease;
}

footer {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  column-gap: 18px;
  row-gap: 8px;
  margin-top: clamp(8px, 1vh, 12px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.deadlineTime {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: clamp(18px, 1.75vw, 28px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
}

.deadlineTime:only-child {
  margin-left: auto;
}

.deadlineTime + .deadlineTime {
  margin-left: auto;
  color: var(--clay);
}

.compactList {
  display: grid;
  gap: 6px;
}

.compactConference {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.42);
}

.compactConference span,
.compactConference strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(19px, 2vw, 30px);
  font-weight: 500;
  letter-spacing: 0;
}

.compactConference strong {
  color: var(--clay);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.calendarPanel {
  width: 100%;
  min-width: 0;
}

.calendarGrid {
  width: min(100%, 680px);
  min-width: 0;
  margin-left: auto;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 3px;
}

.calendarWeekday {
  display: grid;
  place-items: center;
  height: 24px;
  color: var(--ink-muted);
  font-size: clamp(14px, 1.45vw, 20px);
  font-weight: 600;
}

.calendarMonthBand {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 2px 4px;
  color: var(--ink-muted);
  font-size: clamp(12px, 1.25vw, 16px);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.calendarMonthBand::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.calendarCell {
  container-type: inline-size;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  min-width: 0;
  padding: 2px;
  border-radius: 6px;
  background: rgba(31, 30, 29, 0.065);
  color: transparent;
  overflow: hidden;
  font-weight: 700;
}

.calendarCell > span {
  max-width: 88%;
  color: inherit;
  font-size: clamp(9px, 27cqw, 36px);
  line-height: 0.82;
  letter-spacing: 0;
  white-space: nowrap;
  transform: none;
  overflow: hidden;
  text-overflow: clip;
}

.calendarCell.longLabel > span {
  max-width: 92%;
  font-size: clamp(8px, 20cqw, 24px);
}

.calendarCell.empty {
  visibility: hidden;
}

.calendarCell.today {
  background: var(--green);
  color: #fbfaf6;
}

.calendarCell.target {
  background: var(--clay);
  color: #fffaf4;
}

.calendarCell.abstractTarget {
  background: var(--clay-soft);
}

.missingPanel {
  align-content: center;
}

.missingPanel h1,
.missingPanel p {
  margin: 0;
}

.missingPanel h1 {
  font-size: clamp(36px, 7vw, 84px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

.missingPanel p {
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.55;
}

@media (max-width: 920px) {
  main {
    width: calc(100vw - 18px);
    padding: 10px 0 20px;
    align-content: start;
  }

  .panelStack {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .countdownPanel,
  .missingPanel {
    min-height: auto;
    padding: 16px 18px 14px;
    border-radius: 8px;
  }

  .panelTop h1 {
    font-size: clamp(34px, 9vw, 56px);
  }

  .daysLine strong {
    font-size: clamp(92px, 28vw, 170px);
  }

  .subCountdown strong {
    font-size: clamp(28px, 8vw, 44px);
  }

  .subCountdown span {
    font-size: clamp(15px, 4vw, 20px);
  }

  .deadlineTime {
    font-size: clamp(21px, 5.8vw, 32px);
  }

  .calendarGrid {
    width: 100%;
    margin-left: 0;
  }
}

@media (max-width: 520px) {
  main {
    width: min(372px, calc(100vw - 18px));
    margin: 0 0 0 9px;
  }
}

@media (max-width: 430px) {
  .countdownPanel,
  .missingPanel {
    padding: 12px 12px 10px;
  }

  .subCountdown {
    gap: 3px;
  }

  .subCountdown div {
    gap: 4px;
  }

  .subCountdown strong {
    font-size: clamp(24px, 7vw, 32px);
  }

  .subCountdown span {
    font-size: clamp(12px, 3.5vw, 15px);
  }

  .deadlineTime {
    font-size: clamp(19px, 5.2vw, 25px);
  }

  .calendarCell {
    border-radius: 5px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #1a1a19;
    --surface: #232220;
    --ink: #f4f1ea;
    --ink-soft: #b3afa5;
    --ink-muted: #807d75;
    --line: rgba(244, 241, 234, 0.08);
    --clay: #e0866a;
    --clay-soft: rgba(224, 134, 106, 0.48);
    --green: #6ca77c;
  }

  .countdownPanel,
  .missingPanel {
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.02),
      0 12px 40px -16px rgba(0, 0, 0, 0.5);
  }

  .compactConference {
    background: rgba(255, 255, 255, 0.04);
  }

  .calendarCell {
    background: rgba(244, 241, 234, 0.08);
  }
}