:root {
  --arc-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --arc-ink: #171719;
  --arc-muted: #717177;
  --arc-line: rgba(20, 20, 22, 0.1);
  --arc-blue: #007aff;
}

.arc-trigger,
.arc-calendar,
.arc-calendar button,
.arc-calendar a {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  letter-spacing: 0;
}

.arc-trigger {
  position: fixed;
  z-index: 900;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 44px;
  height: 44px;
  padding: 0 15px 0 13px;
  color: #111113;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 22px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16), inset 0 1px rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  touch-action: manipulation;
  transition: transform 140ms var(--arc-ease-out), background-color 180ms ease;
}

.arc-trigger:active,
.arc-calendar button:active,
.arc-calendar a:active {
  transform: scale(0.97);
}

.arc-trigger:focus-visible,
.arc-calendar button:focus-visible,
.arc-calendar a:focus-visible {
  outline: 3px solid var(--arc-blue);
  outline-offset: 3px;
}

.arc-trigger-icon {
  position: relative;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  border: 1.8px solid currentColor;
  border-radius: 4px;
}

.arc-trigger-icon::before {
  content: "";
  position: absolute;
  left: -1.8px;
  right: -1.8px;
  top: 4px;
  border-top: 1.8px solid currentColor;
}

.arc-trigger-icon::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 3px;
  width: 7px;
  height: 4px;
  border-left: 1.8px solid currentColor;
  border-right: 1.8px solid currentColor;
}

.arc-calendar {
  position: fixed;
  z-index: 1000;
  inset: max(68px, calc(env(safe-area-inset-top) + 56px)) max(12px, env(safe-area-inset-right)) auto auto;
  width: min(390px, calc(100vw - 24px));
  max-height: min(680px, calc(100dvh - 84px));
  margin: 0;
  padding: 0;
  overflow: hidden auto;
  color: var(--arc-ink);
  background: rgba(249, 249, 251, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28), inset 0 1px rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  opacity: 1;
  transform: translateY(0) scale(1);
  transform-origin: calc(100% - 50px) -28px;
  transition: opacity 220ms var(--arc-ease-out), transform 220ms var(--arc-ease-out);
}

.arc-calendar::backdrop {
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

@starting-style {
  .arc-calendar[open] {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
}

.arc-calendar-inner {
  padding: 22px;
}

.arc-calendar-head,
.arc-month-nav,
.arc-entry-link {
  display: flex;
  align-items: center;
}

.arc-calendar-head {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.arc-kicker,
.arc-calendar-title,
.arc-month-label,
.arc-entry-link strong,
.arc-entry-link span {
  margin: 0;
}

.arc-kicker {
  color: var(--arc-muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.3;
}

.arc-calendar-title {
  margin-top: 2px;
  font-size: 24px;
  font-weight: 720;
  line-height: 1.08;
}

.arc-close,
.arc-month-button {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  padding: 0;
  color: #252529;
  background: rgba(118, 118, 128, 0.12);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  transition: transform 140ms var(--arc-ease-out), background-color 160ms ease;
}

.arc-month-button:disabled {
  opacity: 0.28;
  cursor: default;
}

.arc-month-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--arc-line);
}

.arc-month-label {
  font-size: 17px;
  font-weight: 680;
}

.arc-month-nav {
  gap: 5px;
}

.arc-month-button {
  width: 30px;
  height: 30px;
  font-size: 21px;
}

.arc-weekdays,
.arc-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.arc-weekdays {
  margin-bottom: 4px;
  color: var(--arc-muted);
  text-align: center;
  font-size: 11px;
  font-weight: 650;
}

.arc-weekdays span {
  padding: 6px 0;
}

.arc-days {
  gap: 3px;
}

.arc-day,
.arc-day-empty {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-width: 0;
  color: #b1b1b6;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.arc-day.has-entry {
  color: #171719;
  background: rgba(118, 118, 128, 0.1);
  border-radius: 9px;
  text-decoration: none;
  font-weight: 680;
  cursor: pointer;
  transition: transform 140ms var(--arc-ease-out), background-color 160ms ease;
}

.arc-day.has-entry::after {
  content: "";
  position: absolute;
  bottom: 4px;
  width: 4px;
  height: 4px;
  background: var(--arc-blue);
  border-radius: 50%;
}

.arc-day.has-entry[aria-current="page"] {
  color: white;
  background: var(--arc-blue);
}

.arc-day.has-entry[aria-current="page"]::after {
  background: white;
}

.arc-month-entries {
  margin-top: 18px;
  border-top: 1px solid var(--arc-line);
}

.arc-entry-link {
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding: 12px 2px;
  color: var(--arc-ink);
  border-bottom: 1px solid var(--arc-line);
  text-decoration: none;
  transition: transform 140ms var(--arc-ease-out), opacity 160ms ease;
}

.arc-entry-copy {
  min-width: 0;
}

.arc-entry-link strong,
.arc-entry-link span {
  display: block;
}

.arc-entry-link strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 680;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arc-entry-link span {
  margin-top: 2px;
  overflow: hidden;
  color: var(--arc-muted);
  font-size: 12px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arc-entry-arrow {
  color: var(--arc-muted);
  font-size: 21px;
}

.arc-empty-month {
  margin: 18px 0 2px;
  color: var(--arc-muted);
  font-size: 13px;
  line-height: 1.5;
}

@media (hover: hover) and (pointer: fine) {
  .arc-trigger:hover {
    background: rgba(255, 255, 255, 0.92);
  }

  .arc-close:hover,
  .arc-month-button:not(:disabled):hover,
  .arc-day.has-entry:hover {
    background-color: rgba(118, 118, 128, 0.18);
  }

  .arc-day.has-entry[aria-current="page"]:hover {
    background-color: #006ee6;
  }

  .arc-entry-link:hover {
    opacity: 0.68;
  }
}

@media (max-width: 560px) {
  .arc-trigger-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .arc-trigger {
    width: 44px;
    padding: 0;
  }

  .arc-calendar {
    inset: auto 0 0 0;
    width: 100%;
    max-width: none;
    max-height: min(690px, calc(100dvh - 24px));
    border-radius: 22px 22px 0 0;
    transform-origin: 50% 100%;
  }

  @starting-style {
    .arc-calendar[open] {
      opacity: 0;
      transform: translateY(18px) scale(0.98);
    }
  }

  .arc-calendar-inner {
    padding: 20px 18px calc(20px + env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .arc-trigger,
  .arc-calendar,
  .arc-calendar button,
  .arc-calendar a {
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .arc-trigger,
  .arc-calendar {
    background: #f9f9fb;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  .arc-trigger,
  .arc-calendar {
    border: 2px solid #111113;
  }
}

body[data-archive-date="2026-06-27"] .page {
  padding-top: 70px;
}