/* iRacing Calendar — "timing sheet" design system.
   Paper-and-ink program sheet, tabular-nums monospace for every time/date
   (the one recurring material in this subject), flag-green + amber accents
   used the way a race director's board would: sparingly, to mean something. */

:root {
  --paper: #f3f4f0;
  --surface: #ffffff;
  --surface-sunken: #eceee7;
  --ink: #1a1d1a;
  --ink-soft: #5b6058;
  --ink-faint: #8b9089;
  --line: #dedcd0;
  --line-strong: #c7c5b7;
  --green: #1f6f4a;
  --green-dark: #144d33;
  --green-wash: #e5f0ea;
  --amber: #b5760f;
  --amber-wash: #faf1de;
  --red: #a5391f;
  --red-wash: #f7e9e4;
  --radius: 10px;
  --radius-sm: 6px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Menlo", "Consolas", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 1px 2px rgba(20, 22, 18, 0.05), 0 4px 14px rgba(20, 22, 18, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16181b;
    --surface: #1e2124;
    --surface-sunken: #191b1e;
    --ink: #edefe9;
    --ink-soft: #a3a89e;
    --ink-faint: #71766c;
    --line: #303337;
    --line-strong: #40444a;
    --green: #3fae7f;
    --green-dark: #2c8562;
    --green-wash: #172b23;
    --amber: #e4a33d;
    --amber-wash: #2c2318;
    --red: #e2694c;
    --red-wash: #2e1e18;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 20px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

a { color: var(--green); }
a:hover { color: var(--green-dark); }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---- Masthead ---- */

.masthead {
  padding: 2.25rem 0 1.25rem;
}

.masthead .kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  display: block;
  margin-bottom: 0.4rem;
}

.masthead h1 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
}

.masthead p.lede {
  color: var(--ink-soft);
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
}

.masthead .manage-link { font-size: 0.85rem; margin-top: 0.6rem; }

/* ---- Sticky control bar: tabs + timezone, always reachable while scrolling ---- */

.control-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
}

.filter-wrap { position: relative; flex: 1 1 14rem; }

.filter-input { width: 100%; font-size: 0.88rem; padding-right: 2.1rem; }

.filter-clear {
  position: absolute;
  top: 50%;
  right: 0.4rem;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1.5rem;
  line-height: 1;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-faint);
  font-size: 1.15rem;
  cursor: pointer;
}

.filter-clear:hover { background: var(--surface-sunken); color: var(--ink); }
.filter-clear[hidden] { display: none; }

.no-matches { color: var(--ink-faint); font-size: 0.88rem; padding: 0.5rem 0.1rem; }
.no-matches[hidden] { display: none; }

/* ---- License filter chips (control bar) ---- */

.license-filter {
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  gap: 0.4rem;
}

.license-toggle {
  cursor: pointer;
  line-height: 0;
}

.license-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.license-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7rem;
  height: 1.7rem;
  padding: 0 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1;
  background: var(--badge-bg);
  color: var(--badge-fg);
  transition: opacity 0.15s ease, filter 0.15s ease;
}

.license-toggle input:not(:checked) + .license-chip {
  opacity: 0.3;
  filter: grayscale(0.5);
}

.license-toggle input:focus-visible + .license-chip {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---- License badge (series card) ---- */

.license-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4rem;
  height: 1.4rem;
  padding: 0 0.3rem;
  margin-right: 0.4rem;
  border-radius: 5px;
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.68rem;
  line-height: 1;
  vertical-align: middle;
  background: var(--badge-bg);
  color: var(--badge-fg);
}

.tabs {
  display: inline-flex;
  gap: 0.25rem;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem;
}

.tab-btn {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab-btn:hover { color: var(--ink); }

.tab-btn.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.tz-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.tz-picker label { display: flex; align-items: center; gap: 0.5rem; }

select, input[type="text"], input[type="email"] {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
}

#timezone-select { font-family: var(--mono); font-size: 0.8rem; max-width: 15rem; }

.tab-panel[hidden] { display: none; }

/* ---- Group sections ---- */

.group-section { margin-bottom: 2rem; }

.group-section .group-heading {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.75rem;
}

.group-heading h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

.group-heading .group-subtitle {
  font-size: 0.82rem;
  color: var(--ink-faint);
}

/* ---- Series card ---- */

.series-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin-bottom: 0.65rem;
  box-shadow: var(--shadow);
}

.series-card.is-checked { border-color: var(--green); }

.series-head {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.series-head input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.15rem;
  accent-color: var(--green);
  flex-shrink: 0;
}

.series-head label { cursor: pointer; }

.series-name { font-weight: 600; font-size: 0.98rem; }

.series-meta {
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-family: var(--mono);
  margin-left: 0.35rem;
}

.series-duration {
  display: inline;
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 400;
  font-family: var(--mono);
  margin: 0 0 0 0.35rem;
}

/* Collapsed schedule summary: the "W1 - 2026-06-27 - Qualcomm Base" line */

.schedule {
  margin: 0.55rem 0 0 1.75rem;
}

.schedule summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.schedule summary::-webkit-details-marker { display: none; }

.schedule summary .chevron {
  display: inline-block;
  transition: transform 0.15s ease;
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.schedule[open] summary .chevron { transform: rotate(90deg); }

.current-track {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--green-wash);
  color: var(--green-dark);
  border-radius: 999px;
  padding: 0.15rem 0.6rem 0.15rem 0.5rem;
}

.current-track .dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.current-track.is-final { background: var(--surface-sunken); color: var(--ink-faint); }
.current-track.is-final .dot { background: var(--ink-faint); }

.schedule-list {
  list-style: none;
  margin: 0.5rem 0 0.25rem;
  padding: 0;
  border-top: 1px solid var(--line);
  max-height: 15rem;
  overflow-y: auto;
}

.schedule-list li {
  display: grid;
  grid-template-columns: 3rem 6.5rem 1fr;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.3rem 0.15rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}

.schedule-list .week-num {
  font-family: var(--mono);
  color: var(--ink-faint);
}

.schedule-list .week-date {
  font-family: var(--mono);
  color: var(--ink-soft);
}

.schedule-list li.is-current { background: var(--green-wash); }
.schedule-list li.is-current .week-num { color: var(--green-dark); font-weight: 700; }

/* ---- Timeslot rows ---- */

.slots-container { margin: 0.5rem 0 0 1.75rem; }

.slot-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin: 0.3rem 0;
}

.slot-row select { font-family: var(--mono); font-size: 0.8rem; }

.local-badge {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--amber);
  background: var(--amber-wash);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  white-space: nowrap;
}

.local-badge:empty { display: none; }

.remove-slot, .add-slot {
  font-family: var(--sans);
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--ink-faint);
  background: none;
  border: none;
  padding: 0.1rem 0.2rem;
}

.remove-slot:hover { color: var(--red); }

.add-slot {
  color: var(--green);
  font-weight: 600;
  margin: 0.4rem 0 0.2rem 1.75rem;
  padding: 0;
}

.add-slot:hover { color: var(--green-dark); }

/* ---- Special events ---- */

.event-card { border-color: var(--line); }
.event-card .series-name { font-weight: 600; }
.event-past { text-decoration: line-through; opacity: 0.55; }

/* ---- Detail fieldset (timezone / your details on the form) ---- */

.detail-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.5rem 0 1rem;
}

.detail-block h2 {
  font-size: 0.9rem;
  margin: 0 0 0.7rem;
}

.detail-block p { margin: 0.5rem 0; }
.detail-block label { display: block; font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 0.2rem; }
.detail-block input[type="text"], .detail-block input[type="email"] { width: 100%; max-width: 22rem; }

.detail-block.top-details {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-top: 1.25rem;
}

.top-details .detail-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  flex: 1 1 22rem;
}

.top-details .detail-fields .field { margin: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.top-details .detail-fields input { width: 100%; min-width: 12rem; max-width: 16rem; }
.top-details button[type="submit"] { flex-shrink: 0; }

.field-error {
  font-size: 0.76rem;
  color: var(--red);
}

.field-error:empty { display: none; }

input.is-invalid { border-color: var(--red); }

.form-error {
  color: var(--red);
  background: var(--red-wash);
  border: 1px solid var(--red);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  font-size: 0.85rem;
  margin: 0.75rem 0 0;
}

.form-error[hidden] { display: none; }

button[type="submit"] {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.3rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

button[type="submit"]:hover { background: var(--green-dark); }

.danger-zone {
  margin-top: 2.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  background: var(--red-wash);
}

.danger-zone h2 { margin-top: 0; }

.btn-danger {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.3rem;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.btn-danger:hover { filter: brightness(0.88); }

code {
  font-family: var(--mono);
  background: var(--surface-sunken);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
}

.gmt-hint { color: var(--ink-faint); font-size: 0.85rem; }

@media (max-width: 560px) {
  .schedule-list li { grid-template-columns: 2.4rem 5.5rem 1fr; font-size: 0.78rem; }
  .masthead h1 { font-size: 1.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}