/* ---------------------------------------------------------------
   Concourse: weekend events, presented as an airport departures
   board. Dark neutral chassis, single amber accent, monospace
   "split-flap" chrome around a plain-language body font.
   ----------------------------------------------------------------*/

:root {
  --bg: #121317;
  --panel: #1b1d22;
  --panel-raised: #23262c;
  --border: #34373d;
  --border-strong: #4a4e56;
  --amber: #ffb300;
  --amber-soft: #caa14a;
  --text: #f3f1ea;
  --text-dim: #a4a6ac;
  --text-faint: #8b8e94;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --font-board: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--amber);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--amber);
  color: #1a1400;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: top 0.2s var(--ease);
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

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

/* ---------------------------- header --------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 0.85rem 1.25rem;
  background: rgba(18, 19, 23, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand__mark {
  color: var(--amber);
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-board);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand__tag {
  font-family: var(--font-board);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.75rem;
  margin: 0;
}

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

.field label {
  font-family: var(--font-board);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.field input,
.field select {
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  min-height: 40px;
  font-family: var(--font-board);
  font-size: 0.9rem;
}

.field input::placeholder {
  color: var(--text-faint);
}

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

.field input:focus-visible,
.field select:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.4rem 0.9rem 0.4rem 0.4rem;
  cursor: pointer;
  min-height: 40px;
}

.toggle-switch__knob {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: var(--border-strong);
  position: relative;
  flex-shrink: 0;
  transition: background 0.2s var(--ease);
}

.toggle-switch__knob::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 999px;
  background: var(--text-faint);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.toggle-switch[aria-pressed="true"] .toggle-switch__knob {
  background: rgba(255, 179, 0, 0.25);
}

.toggle-switch[aria-pressed="true"] .toggle-switch__knob::after {
  background: var(--amber);
  transform: translateX(0.05rem) scale(1.05);
}

.toggle-switch__label {
  font-family: var(--font-board);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.toggle-switch:active {
  transform: scale(0.98);
}

/* ---------------------------- main board --------------------------- */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.board-status {
  font-family: var(--font-board);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  margin: 0 0 1.25rem;
}

.board-day {
  margin-bottom: 2.25rem;
}

.board-day__heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-board);
}

.board-day__name {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.board-day__date {
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--amber-soft);
}

.board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}

.board-row + .board-row {
  border-top: 1px dashed var(--border);
}

.board-row__open {
  width: 100%;
  display: grid;
  grid-template-columns: 4.5rem 1fr 8.5rem 4rem 6.5rem;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  border: 0;
  text-align: left;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: background-color 0.15s var(--ease);
}

.board-row__open:hover {
  background: var(--panel-raised);
}

.board-row__open:active {
  transform: translateY(1px);
}

.board-row__time {
  font-family: var(--font-board);
  font-size: 0.85rem;
  color: var(--amber);
  white-space: nowrap;
}

.board-row__main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.board-row__title {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-row__meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-row__cat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
  font-family: var(--font-board);
  font-size: 0.78rem;
  white-space: nowrap;
}

.board-row__cat-icon {
  color: var(--amber-soft);
  flex-shrink: 0;
  display: inline-flex;
}

.board-row__cat-icon svg {
  width: 16px;
  height: 16px;
}

.board-row__price {
  font-family: var(--font-board);
  font-size: 0.85rem;
  text-align: right;
  white-space: nowrap;
}

.board-row__format {
  font-family: var(--font-board);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  .field--search input {
    width: 100%;
    max-width: none;
  }

  .field--filter select {
    width: 100%;
  }

  .toggle-switch {
    justify-content: center;
  }
}

@media (max-width: 760px) {
  .board-row__open {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    padding: 0.9rem 1rem;
  }

  .board-row__time {
    order: 1;
  }

  .board-row__main {
    order: 2;
  }

  .board-row__cat {
    order: 3;
  }

  .board-row__price {
    order: 4;
    text-align: left;
  }

  .board-row__format {
    order: 5;
    text-align: left;
  }

  .board-row__title,
  .board-row__meta {
    white-space: normal;
  }
}

/* ---------------------------- empty state --------------------------- */

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-dim);
}

.empty-state svg {
  margin: 0 auto 1rem;
  color: var(--amber-soft);
}

.empty-state__title {
  font-family: var(--font-board);
  color: var(--text);
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.empty-state__body {
  margin: 0 0 1.25rem;
  max-width: 34ch;
  margin-inline: auto;
}

.empty-state button {
  background: var(--amber);
  color: #1a1400;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.2rem;
  font-weight: 700;
  cursor: pointer;
}

.empty-state button:hover {
  filter: brightness(1.08);
}

.empty-state button:active {
  transform: scale(0.98);
}

/* ---------------------------- footer --------------------------- */

.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--text-faint);
  font-size: 0.8rem;
}

/* ---------------------------- detail / boarding pass --------------------------- */

.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 10, 0.72);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 4vh 1rem;
  overflow-y: auto;
  z-index: 50;
}

.detail-overlay[hidden] {
  display: none;
}

.detail {
  position: relative;
  width: 100%;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: detail-in 0.25s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .detail {
    animation: none;
  }
}

@keyframes detail-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.detail__close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--panel-raised);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
}

.detail__close:hover {
  background: var(--border);
}

.ticket {
  display: grid;
  grid-template-columns: 1fr 13rem;
}

.ticket__main {
  padding: 2rem 1.75rem;
  min-width: 0;
}

.ticket__eyebrow {
  font-family: var(--font-board);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 0.5rem;
}

.ticket__title {
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 0 0 1.5rem;
  padding-right: 2rem;
}

.ticket__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.ticket__field-label {
  display: block;
  font-family: var(--font-board);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.2rem;
}

.ticket__field-value {
  font-family: var(--font-board);
  font-size: 0.92rem;
}

.ticket__stub {
  background: var(--panel-raised);
  border-left: 1px dashed var(--border-strong);
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.ticket__stub-icon {
  color: var(--amber);
}

.ticket__stub-icon svg {
  width: 34px;
  height: 34px;
}

.ticket__stub-id {
  font-family: var(--font-board);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  margin: 0;
}

.ticket__tear {
  position: relative;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--border-strong) 0,
    var(--border-strong) 6px,
    transparent 6px,
    transparent 12px
  );
}

.ticket__tear::before,
.ticket__tear::after {
  content: "";
  position: absolute;
  top: -9px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--bg);
}

.ticket__tear::before {
  left: -9px;
}

.ticket__tear::after {
  right: -9px;
}

.ticket__notes {
  padding: 1.5rem 1.75rem 2rem;
}

.ticket__notes h3 {
  font-family: var(--font-board);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 0.75rem;
}

.ticket__notes p {
  margin: 0 0 0.9rem;
  color: var(--text);
  max-width: 62ch;
}

.ticket__notes p:last-child {
  margin-bottom: 0;
}

.stamp-toggle {
  position: relative;
  width: 100%;
  background: transparent;
  border: 1.5px solid var(--amber-soft);
  border-radius: var(--radius-sm);
  color: var(--amber-soft);
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  font-family: var(--font-board);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  overflow: hidden;
}

.stamp-toggle:hover {
  background: rgba(255, 179, 0, 0.08);
}

.stamp-toggle:active {
  transform: scale(0.98);
}

.stamp-toggle[aria-pressed="true"] {
  border-color: var(--amber);
  color: var(--amber);
}

.stamp-toggle__stamp {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.15em;
  color: var(--amber);
  border: 2px solid var(--amber);
  border-radius: var(--radius-sm);
  background: rgba(255, 179, 0, 0.1);
  transform: rotate(-6deg) scale(1.3);
  opacity: 0;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
  pointer-events: none;
}

.stamp-toggle[aria-pressed="true"] .stamp-toggle__stamp {
  opacity: 1;
  transform: rotate(-6deg) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .stamp-toggle__stamp {
    transition: none;
  }
}

.stamp-toggle[aria-pressed="true"] .stamp-toggle__label {
  opacity: 0;
}

@media (max-width: 640px) {
  .ticket {
    grid-template-columns: 1fr;
  }

  .ticket__stub {
    border-left: 0;
    border-top: 1px dashed var(--border-strong);
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .ticket__stub-icon {
    display: none;
  }

  .stamp-toggle {
    width: auto;
    flex: 1;
    margin-left: 1rem;
  }

  .ticket__fields {
    grid-template-columns: 1fr 1fr;
  }
}