:root {
  --bg: #0a1122;
  --bg-raised: #121c33;
  --bg-raised-2: #182544;
  --track-color: #2b3a5e;
  --text: #f2f5fb;
  --text-dim: #a7b4cf;
  --text-dimmer: #7887a8;
  --accent: #ffcc33;
  --focus: #ffcc33;
  --border: #2b3a5e;

  --cat-art: #e4572e;
  --cat-film: #17bebb;
  --cat-food: #ffc914;
  --cat-literature: #9b6bd6;
  --cat-music: #ef476f;
  --cat-outdoors: #2ec27e;
  --cat-walks: #4d9de0;

  --font-display: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 10% 0%, rgba(255, 204, 51, 0.06), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(77, 157, 224, 0.08), transparent 50%);
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.4;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #1a1300;
  padding: 0.6em 1em;
  font-weight: 700;
  z-index: 100;
  border-radius: 0 0 6px 0;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

button {
  font-family: inherit;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 17, 34, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 3px solid var(--track-color);
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-name {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-tag {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: end;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.control label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.control input,
.control select {
  background: var(--bg-raised);
  border: 2px solid var(--track-color);
  color: var(--text);
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  font-size: 0.95rem;
  min-height: 40px;
}

.control input::placeholder {
  color: var(--text-dimmer);
}

.control-search input {
  width: 15rem;
  max-width: 60vw;
}

.saved-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-raised);
  border: 2px solid var(--track-color);
  color: var(--text);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  height: 40px;
}

.saved-toggle .ticket-icon {
  width: 20px;
  height: 20px;
  color: var(--text-dim);
}

.saved-toggle[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1300;
}

.saved-toggle[aria-pressed="true"] .ticket-icon {
  color: #1a1300;
}

.saved-count {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.saved-toggle[aria-pressed="true"] .saved-count {
  background: rgba(0, 0, 0, 0.2);
}

/* Legend */

.legend {
  padding: 0.75rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1.2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.legend-title {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--text-dimmer);
}

.legend ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  margin: 0;
  padding: 0;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.legend li[data-category="Art"] .swatch { background: var(--cat-art); }
.legend li[data-category="Film"] .swatch { background: var(--cat-film); }
.legend li[data-category="Food"] .swatch { background: var(--cat-food); }
.legend li[data-category="Literature"] .swatch { background: var(--cat-literature); }
.legend li[data-category="Music"] .swatch { background: var(--cat-music); }
.legend li[data-category="Outdoors"] .swatch { background: var(--cat-outdoors); }
.legend li[data-category="Walks"] .swatch { background: var(--cat-walks); }

.legend-note {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dot-sample {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  border: 2px solid var(--text-dim);
}

.dot-sample--free {
  background: transparent;
}

/* Main / tracks */

main {
  padding: 2.5rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.empty-state {
  background: var(--bg-raised);
  border: 2px dashed var(--track-color);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.empty-state button {
  margin-top: 0.75rem;
  display: inline-block;
  background: var(--accent);
  color: #1a1300;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}

.day-line {
  margin-bottom: 4.5rem;
}

.day-line h2 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 2.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.day-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: none;
  letter-spacing: 0;
}

.track {
  position: relative;
  height: 260px;
}

.track::before {
  content: "";
  position: absolute;
  background: var(--track-color);
  left: 0;
  right: 0;
  top: 50%;
  height: 8px;
  border-radius: 4px;
  transform: translateY(-50%);
}

.track-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dimmer);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.tick {
  position: absolute;
  left: calc(var(--pos) * 1%);
  top: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 20px;
  background: rgba(255, 255, 255, 0.18);
}

.tick-label {
  position: absolute;
  left: calc(var(--pos) * 1%);
  top: calc(50% + 16px);
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dimmer);
  white-space: nowrap;
}

.station {
  position: absolute;
  left: calc(var(--pos) * 1%);
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.station-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 10px;
}

.dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid var(--dot-color, var(--accent));
  background: var(--dot-color, var(--accent));
  box-shadow: 0 0 0 4px var(--bg);
  transition: transform 0.15s ease;
}

.station[data-free="true"] .dot {
  background: var(--bg);
}

.station[data-saved="true"] .dot {
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 7px var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  .station-btn:hover .dot,
  .station-btn:focus-visible .dot {
    transform: scale(1.25);
  }
}

.label {
  position: absolute;
  display: flex;
  flex-direction: column;
  width: 9.5rem;
  pointer-events: none;
}

.station--a .label {
  bottom: calc(100% + 6px);
  align-items: center;
  text-align: center;
  left: 50%;
  transform: translateX(-50%);
}

.station--b .label {
  top: calc(100% + 6px);
  align-items: center;
  text-align: center;
  left: 50%;
  transform: translateX(-50%);
}

.label-title {
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1.2;
}

.label-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Mobile: vertical line */

@media (max-width: 700px) {
  .track {
    height: calc(var(--station-count, 4) * 110px);
    margin: 0 auto;
    max-width: 20rem;
  }

  .track::before {
    left: 50%;
    right: auto;
    top: 0;
    bottom: 0;
    height: auto;
    width: 8px;
    transform: translateX(-50%);
  }

  .tick {
    top: calc(var(--pos) * 1%);
    left: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
  }

  .tick-label {
    top: calc(var(--pos) * 1%);
    left: calc(50% + 22px);
    transform: translateY(-50%);
  }

  .station {
    left: 50%;
    top: calc(var(--pos) * 1%);
  }

  .label {
    width: 8.5rem;
    top: 50%;
    transform: translateY(-50%);
  }

  .station--a .label {
    bottom: auto;
    right: calc(100% + 14px);
    left: auto;
    align-items: flex-end;
    text-align: right;
  }

  .station--b .label {
    top: 50%;
    left: calc(100% + 14px);
    align-items: flex-start;
    text-align: left;
  }
}

/* Category colors */

.station[data-category="Art"] { --dot-color: var(--cat-art); }
.station[data-category="Film"] { --dot-color: var(--cat-film); }
.station[data-category="Food"] { --dot-color: var(--cat-food); }
.station[data-category="Literature"] { --dot-color: var(--cat-literature); }
.station[data-category="Music"] { --dot-color: var(--cat-music); }
.station[data-category="Outdoors"] { --dot-color: var(--cat-outdoors); }
.station[data-category="Walks"] { --dot-color: var(--cat-walks); }

/* Detail dialog */

dialog#detail-dialog {
  border: none;
  border-radius: 14px;
  padding: 0;
  width: min(34rem, 92vw);
  max-height: min(85vh, 44rem);
  background: var(--bg-raised);
  color: var(--text);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

dialog#detail-dialog::backdrop {
  background: rgba(5, 9, 20, 0.75);
}

dialog#detail-dialog[open] {
  display: block;
}

.close-detail {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  background: var(--bg-raised-2);
  border: 2px solid var(--track-color);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-detail svg {
  width: 16px;
  height: 16px;
}

.detail-content {
  padding: 2.2rem 1.8rem 1.8rem;
  overflow-y: auto;
  max-height: min(85vh, 44rem);
}

.detail-line-tag {
  display: inline-block;
  margin: 0 0 0.6rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--dot-color, var(--accent));
  color: #0a1122;
  font-weight: 700;
}

.detail-content h2 {
  margin: 0 0 0.3rem;
  font-size: 1.5rem;
}

.detail-time {
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin: 0 0 1.3rem;
  font-size: 0.95rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.2rem;
  margin: 0 0 1.4rem;
  padding: 1rem;
  background: var(--bg-raised-2);
  border-radius: 10px;
}

.detail-grid dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dimmer);
  margin-bottom: 0.15rem;
}

.detail-grid dd {
  margin: 0;
  font-weight: 600;
}

.detail-body {
  color: var(--text-dim);
  margin-bottom: 1.6rem;
}

.detail-body p {
  margin: 0 0 0.9rem;
}

.save-item {
  width: 100%;
  border: 2px dashed var(--accent);
  background: transparent;
  color: var(--accent);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  letter-spacing: 0.02em;
}

.save-item[aria-pressed="true"] {
  background: var(--accent);
  color: #1a1300;
  border-style: solid;
}

/* Footer */

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--text-dimmer);
  font-size: 0.8rem;
}

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