.calendar-page {
  --cal-surface: #0c1220;
  --cal-surface2: #111a2e;
  --cal-border: #1e2d4a;
  --cal-accent: #00e5ff;
  --cal-accent2: #ff6b35;
  --cal-accent3: #7c3aed;
  --cal-text: #e8edf5;
  --cal-text2: #a3b1c9;
  --cal-gold: #ffd166;
  --cal-green: #06ffa5;
  --cal-red: #ff4060;
  --cal-mono: 'JetBrains Mono', monospace;
  font-size: 15px;
}

.calendar-page [hidden] { display: none !important; }
.calendar-page button, .calendar-page input, .calendar-page select { font-family: inherit; font-size: 15px; }
.calendar-page button:focus-visible, .calendar-page input:focus-visible, .calendar-page select:focus-visible {
  outline: 2px solid var(--cal-accent); outline-offset: 2px;
}

.calendar-page .cal-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px; margin-bottom: 16px;
  border: 1px solid rgba(0, 229, 255, .35); border-radius: 100px; background: rgba(0, 229, 255, .06);
  color: var(--cal-accent); font-family: var(--cal-mono); font-size: 15px; letter-spacing: .5px;
}

/* Controls */
.calendar-page .cal-controls {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 18px; margin: 8px 0 14px;
  padding: 16px 18px; border: 1px solid var(--cal-border); border-radius: 16px; background: var(--cal-surface);
}
.calendar-page .cal-ctl { display: flex; flex-direction: column; gap: 6px; min-width: 0; flex: 1 1 200px; }
.calendar-page .cal-ctl label { color: var(--cal-text2); font-weight: 600; }
.calendar-page select, .calendar-page input[type="date"], .calendar-page input[type="number"], .calendar-page input[type="text"] {
  width: 100%; min-width: 0; padding: 9px 12px; border: 1px solid var(--cal-border); border-radius: 8px;
  background: var(--cal-surface2); color: var(--cal-text); color-scheme: dark;
}
.calendar-page .cal-check { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 8px; color: var(--cal-text); cursor: pointer; }
.calendar-page .cal-check input { width: 18px; height: 18px; accent-color: var(--cal-accent); }
.calendar-page .cal-now {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 20px;
  color: var(--cal-text); font-weight: 700;
}
.calendar-page .cal-offset { color: var(--cal-accent); font-family: var(--cal-mono); font-weight: 400; }

/* Layout */
.calendar-page .cal-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 20px; align-items: start; margin-bottom: 8px; }
.calendar-page .cal-main, .calendar-page .cal-side, .calendar-page .cal-tool {
  padding: 20px; border: 1px solid var(--cal-border); border-radius: 20px; background: var(--cal-surface); min-width: 0;
}

/* Navigation */
.calendar-page .cal-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.calendar-page .cal-nav select { width: auto; flex: 1 1 130px; }
.calendar-page .cal-nav input[type="number"] { width: 96px; flex: 0 0 96px; font-family: var(--cal-mono); }
.calendar-page .cal-nbtn {
  width: 40px; height: 40px; border: 1px solid var(--cal-border); border-radius: 10px; background: transparent;
  color: var(--cal-text); font-size: 18px; cursor: pointer; transition: border-color .2s, color .2s;
}
.calendar-page .cal-nbtn:hover { border-color: var(--cal-accent); color: var(--cal-accent); }
.calendar-page .cal-today {
  padding: 9px 16px; border: 1px solid var(--cal-accent); border-radius: 10px; background: rgba(0, 229, 255, .08);
  color: var(--cal-accent); font-weight: 700; cursor: pointer;
}
.calendar-page .cal-today:hover { background: rgba(0, 229, 255, .18); }
.calendar-page .cal-title { margin-bottom: 12px; font-size: 24px; font-weight: 800; letter-spacing: -.5px; color: var(--cal-text); }

/* Month table */
.calendar-page .cal-table-wrap { overflow-x: auto; }
.calendar-page .cal-table { width: 100%; border-collapse: separate; border-spacing: 4px; table-layout: fixed; }
.calendar-page .cal-table th { padding: 6px 0; color: var(--cal-text2); font-weight: 700; text-align: center; }
.calendar-page .cal-table th.is-we { color: #ff8a9c; }
.calendar-page .cal-table th.cal-wk { width: 44px; color: var(--cal-gold); font-family: var(--cal-mono); font-weight: 400; }
.calendar-page .cal-table td { padding: 0; }
.calendar-page .cal-short { display: none; }
.calendar-page .cal-day {
  position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: 56px;
  border: 1px solid transparent; border-radius: 12px; background: var(--cal-surface2);
  color: var(--cal-text); font-size: 16px; font-weight: 600; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.calendar-page .cal-day:hover { border-color: var(--cal-accent3); }
.calendar-page .cal-day.out { color: #6f7f9b; background: transparent; }
.calendar-page .cal-day.we { color: #ff8a9c; }
.calendar-page .cal-day.out.we { color: #7d5c68; }
.calendar-page .cal-day.today { border-color: var(--cal-accent); box-shadow: inset 0 0 0 1px var(--cal-accent); }
.calendar-page .cal-day.sel { background: var(--cal-accent3); border-color: var(--cal-accent3); color: #fff; }
.calendar-page .cal-day.sel.today { box-shadow: inset 0 0 0 2px var(--cal-accent); }
.calendar-page .cal-day.has-ev::after, .calendar-page .cal-day.has-obs::before {
  content: ''; position: absolute; bottom: 7px; width: 7px; height: 7px; border-radius: 50%;
}
.calendar-page .cal-day.has-ev::after { left: calc(50% - 9px); background: var(--cal-green); }
.calendar-page .cal-day.has-obs::before { left: calc(50% + 2px); background: var(--cal-gold); }
.calendar-page .cal-day.has-ev:not(.has-obs)::after { left: calc(50% - 3px); }
.calendar-page .cal-legend { margin-top: 14px; color: var(--cal-text2); line-height: 1.9; }
.calendar-page .cal-key { display: inline-block; width: 12px; height: 12px; margin: 0 6px 0 10px; vertical-align: middle; border-radius: 50%; }
.calendar-page .cal-key-today { border: 2px solid var(--cal-accent); }
.calendar-page .cal-key-ev { background: var(--cal-green); }
.calendar-page .cal-key-obs { background: var(--cal-gold); }

/* Side panel */
.calendar-page .cal-date { font-size: 22px; font-weight: 800; letter-spacing: -.5px; line-height: 1.25; color: var(--cal-text); }
.calendar-page .cal-rel { margin: 6px 0 14px; color: var(--cal-accent); font-weight: 700; }
.calendar-page .cal-meta { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin-bottom: 18px; }
.calendar-page .cal-meta dt { color: var(--cal-text2); }
.calendar-page .cal-meta dd { color: var(--cal-text); font-family: var(--cal-mono); text-align: right; }
.calendar-page .cal-side h3 { margin: 18px 0 8px; font-size: 16px; font-weight: 800; color: var(--cal-text); }
.calendar-page .cal-list { list-style: none; display: grid; gap: 6px; }
.calendar-page .cal-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px;
  border: 1px solid var(--cal-border); border-radius: 10px; background: var(--cal-surface2); color: var(--cal-text); overflow-wrap: anywhere;
}
.calendar-page .cal-list li.cal-none { color: var(--cal-text2); font-style: italic; border-style: dashed; }
.calendar-page .cal-del { border: 0; background: transparent; color: var(--cal-text2); cursor: pointer; padding: 2px 6px; }
.calendar-page .cal-del:hover { color: var(--cal-red); }
.calendar-page .cal-note { margin-top: 8px; color: var(--cal-text2); line-height: 1.6; }
.calendar-page .cal-add { display: flex; gap: 8px; margin: 10px 0; }
.calendar-page .cal-pill {
  padding: 9px 16px; border: 1px solid var(--cal-border); border-radius: 100px; background: transparent;
  color: var(--cal-text2); font-weight: 700; cursor: pointer; white-space: nowrap;
}
.calendar-page .cal-pill:hover:not(:disabled) { border-color: var(--cal-accent); color: var(--cal-accent); }
.calendar-page .cal-pill:disabled { opacity: .4; cursor: not-allowed; }
.calendar-page .cal-ics { width: 100%; border-radius: 10px; }

/* Calculators */
.calendar-page .cal-heading { margin: 48px 0 24px; text-align: center; }
.calendar-page .cal-heading h2 { margin-bottom: 8px; font-size: clamp(24px, 3.5vw, 30px); font-weight: 800; letter-spacing: -1px; }
.calendar-page .cal-heading p { max-width: 560px; margin: 0 auto; color: var(--cal-text2); line-height: 1.6; }
.calendar-page .cal-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-bottom: 48px; }
.calendar-page .cal-tool h3 { margin-bottom: 14px; font-size: 18px; font-weight: 800; color: var(--cal-text); }
.calendar-page .cal-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.calendar-page .cal-row .cal-ctl { flex: 1 1 140px; }
.calendar-page .cal-out {
  padding: 14px 16px; border: 1px solid var(--cal-border); border-radius: 12px; background: var(--cal-surface2);
  color: var(--cal-text2); line-height: 1.8;
}
.calendar-page .cal-out strong { color: var(--cal-accent); font-family: var(--cal-mono); }
.calendar-page .cal-out .cal-big { display: block; margin-bottom: 4px; color: var(--cal-text); font-size: 20px; font-weight: 800; }
.calendar-page .cal-out.is-err { color: #ff8095; border-color: rgba(255, 64, 96, .5); }

/* FAQ */
.calendar-page .cal-faq { margin-bottom: 48px; }
.calendar-page .cal-faq-item { margin-bottom: 10px; border: 1px solid var(--cal-border); border-radius: 14px; background: var(--cal-surface); }
.calendar-page .cal-faq-item[open] { border-color: var(--cal-accent); }
.calendar-page .cal-faq-item summary { padding: 16px 20px; font-weight: 700; color: var(--cal-text); cursor: pointer; list-style: none; }
.calendar-page .cal-faq-item summary::-webkit-details-marker { display: none; }
.calendar-page .cal-faq-item summary::after { content: '+'; float: right; color: var(--cal-accent); font-family: var(--cal-mono); }
.calendar-page .cal-faq-item[open] summary::after { content: '\2013'; }
.calendar-page .cal-faq-item p { padding: 0 20px 18px; color: var(--cal-text2); line-height: 1.7; }

.cal-toast {
  position: fixed; right: 24px; bottom: 24px; z-index: 9990; max-width: min(360px, calc(100vw - 48px));
  padding: 14px 18px; border: 1px solid rgba(0, 229, 255, .45); border-radius: 12px; background: #0c1220;
  color: #e8edf5; font-size: 15px; box-shadow: 0 8px 30px rgba(0, 0, 0, .5);
  transform: translateY(150%); opacity: 0; transition: transform .35s, opacity .35s; pointer-events: none;
}
.cal-toast.show { transform: translateY(0); opacity: 1; }

@media (max-width: 960px) {
  .calendar-page .cal-layout, .calendar-page .cal-tools { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .calendar-page .cal-main, .calendar-page .cal-side, .calendar-page .cal-tool { padding: 14px; }
  .calendar-page .cal-table { border-spacing: 2px; }
  .calendar-page .cal-long { display: none; }
  .calendar-page .cal-short { display: inline; }
  .calendar-page .cal-table th.cal-wk { width: 34px; }
  .calendar-page .cal-day { height: 44px; border-radius: 8px; }
  .calendar-page .cal-day.has-ev::after, .calendar-page .cal-day.has-obs::before { bottom: 4px; width: 6px; height: 6px; }
  .calendar-page .cal-nav input[type="number"] { flex: 1 1 96px; }
}
@media (prefers-reduced-motion: reduce) {
  .calendar-page *, .cal-toast { transition: none !important; animation: none !important; }
}