/* ===== Tokens ===== */
:root {
  --color-bg: #0a0c11;
  --color-panel: #12151d;
  --color-panel-2: #171b25;
  --color-tile: #0d1016;
  --color-border: #2a2f3c;
  --color-border-soft: #1e222c;
  --color-text: #eef0f4;
  --color-text-muted: #9aa3b5;
  --color-text-dim: #939bb0;
  --color-amber: #ffb400;
  --color-amber-2: #ff8a00;
  --color-focus: #5eead4;

  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", "DejaVu Sans Mono", "Courier New", monospace;
  --font-sans: -apple-system, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius-tile: 6px;
  --radius-panel: 14px;
  --radius-pill: 999px;

  --content-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse 1200px 600px at 50% -10%, #151a26 0%, transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -60px;
  background: var(--color-amber);
  color: #14110a;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 6px;
  z-index: 100;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 8px;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ===== Layout shell ===== */
.app {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-8);
}

/* ===== Header / split-flap logo ===== */
.board-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-soft);
  margin-bottom: var(--space-6);
}

.flap-logo {
  display: flex;
  gap: 6px;
  margin: 0 0 var(--space-3);
  perspective: 400px;
}

.flap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(34px, 5vw, 56px);
  height: clamp(46px, 6.6vw, 74px);
  background: linear-gradient(180deg, #14161d 0%, #0b0d12 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tile);
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 3px 8px rgba(0,0,0,0.5);
  overflow: hidden;
}

.flap::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px;
  background: rgba(0,0,0,0.65);
  transform: translateY(-0.5px);
}

.flap__face {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  color: var(--color-amber);
  text-shadow: 0 0 10px rgba(255,180,0,0.25);
  line-height: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .flap {
    animation: flap-in 0.5s cubic-bezier(.2,.8,.2,1) both;
    animation-delay: calc(var(--d) * 70ms);
  }
  @keyframes flap-in {
    0% { transform: rotateX(80deg); opacity: 0; }
    60% { transform: rotateX(-8deg); opacity: 1; }
    100% { transform: rotateX(0deg); opacity: 1; }
  }
}

.tagline {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 46ch;
}

.board-header__meta {
  display: flex;
  gap: var(--space-6);
}

.meta-readout {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 10ch;
}

.meta-readout__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.meta-readout__value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-amber);
  font-variant-numeric: tabular-nums;
}

/* ===== Control strip ===== */
.control-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: end;
  margin-bottom: var(--space-5);
}

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.control--search {
  flex: 1 1 260px;
  min-width: 220px;
}

#search-input, #category-select {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 1rem;
  font-family: var(--font-sans);
}

#search-input::placeholder {
  color: var(--color-text-dim);
}

.control--filter {
  min-width: 180px;
}

#category-select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-dim) 50%), linear-gradient(135deg, var(--color-text-dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.control--saved {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  padding: 11px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  height: fit-content;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.control--saved[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(255,180,0,0.18), rgba(255,180,0,0.06));
  border-color: var(--color-amber);
  color: var(--color-amber);
}

.control--saved:hover {
  border-color: var(--color-text-muted);
}

/* ===== Board panel / table ===== */
.board-panel {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: var(--space-2);
  box-shadow: 0 20px 60px -30px rgba(0,0,0,0.8);
}

.board-table-wrap {
  overflow-x: auto;
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.board-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.board-table tbody tr {
  border-bottom: 1px solid var(--color-border-soft);
  transition: background 0.12s ease;
}

.board-table tbody tr:last-child {
  border-bottom: none;
}

.board-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.board-table td, .board-table th[scope="row"] {
  padding: var(--space-4);
  font-size: 0.95rem;
  vertical-align: middle;
}

.cell-time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  white-space: nowrap;
}

.cell-day {
  display: block;
  font-size: 0.68rem;
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
}

th[scope="row"] {
  font-weight: 400;
}

.open-item {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 6px 0;
  border-radius: 4px;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.12s ease, color 0.12s ease;
}

.open-item:hover {
  text-decoration-color: var(--color-amber);
  color: var(--color-amber);
}

.saved-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-amber);
  margin-left: 8px;
  vertical-align: middle;
}

.line-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.line-badge__dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--line-color, var(--color-amber));
  box-shadow: 0 0 8px 0 var(--line-color, transparent);
  flex-shrink: 0;
}

.cell-gate {
  color: var(--color-text-muted);
}

.cell-gate .venue {
  color: var(--color-text);
  display: block;
}

.cell-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.cell-fare {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--color-amber);
  white-space: nowrap;
}

/* ===== Empty state ===== */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-5);
}

.empty-state__headline {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-amber);
  margin: 0 0 var(--space-2);
}

.empty-state__body {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}

.empty-state__reset {
  background: var(--color-amber);
  color: #14110a;
  border: none;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
}

.empty-state__reset:hover {
  background: var(--color-amber-2);
}

/* ===== Footer ===== */
.site-footer {
  margin-top: var(--space-7);
  color: var(--color-text-dim);
  font-size: 0.82rem;
  text-align: center;
}

/* ===== Dialog / boarding pass ===== */
.ticket-dialog {
  border: none;
  padding: 0;
  border-radius: 18px;
  background: transparent;
  color: var(--color-text);
  max-width: min(640px, 92vw);
  width: 100%;
  z-index: 50;
}

.ticket-dialog::backdrop {
  background: rgba(4,5,8,0.72);
}

.ticket {
  display: grid;
  grid-template-columns: 110px 1fr;
  background: var(--color-panel-2);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7);
}

.ticket__stub {
  background: var(--color-tile);
  border-right: 2px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-5) var(--space-2);
  gap: var(--space-3);
}

.ticket__badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--line-color, var(--color-amber));
  border: 2px solid var(--line-color, var(--color-amber));
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ticket__category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.ticket__stub-spacer {
  flex: 1;
}

.ticket__barcode {
  width: 24px;
  height: 90px;
  color: var(--color-text-dim);
}

.ticket__main {
  position: relative;
  padding: var(--space-6) var(--space-6) var(--space-5);
  min-width: 0;
}

.close-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1.2rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.ticket__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin: 0 0 var(--space-2);
}

.ticket__title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  padding-right: 40px;
}

.ticket__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-4);
  margin: 0 0 var(--space-5);
}

.ticket__meta-item dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 2px;
}

.ticket__meta-item dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.ticket__perforation {
  border-top: 1px dashed var(--color-border);
  margin: 0 0 var(--space-5);
}

.ticket__body {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 60ch;
}

.ticket__body p {
  margin: 0 0 var(--space-3);
}

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

.ticket__actions {
  margin-top: var(--space-5);
}

#save-toggle {
  background: var(--color-amber);
  color: #14110a;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  transition: background 0.15s ease, transform 0.1s ease;
}

#save-toggle:hover {
  background: var(--color-amber-2);
}

#save-toggle:active {
  transform: scale(0.98);
}

#save-toggle[aria-pressed="true"] {
  background: var(--color-panel);
  color: var(--color-amber);
  border: 1px solid var(--color-amber);
}

/* ===== Responsive: board becomes stacked ticket cards ===== */
@media (max-width: 760px) {
  .app {
    padding: var(--space-5) var(--space-4) var(--space-7);
  }

  .board-header {
    align-items: flex-start;
  }

  .board-header__meta {
    gap: var(--space-4);
  }

  .flap {
    width: clamp(26px, 8vw, 34px);
    height: clamp(38px, 11vw, 48px);
  }

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

  .control--saved {
    justify-content: center;
  }

  .board-table-wrap {
    overflow-x: visible;
  }

  .board-table {
    min-width: 0;
  }

  .board-table thead {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
  }

  .board-table, .board-table tbody, .board-table tr {
    display: block;
    width: 100%;
  }

  .board-table tbody tr {
    border: 1px solid var(--color-border-soft);
    border-radius: 12px;
    margin-bottom: var(--space-3);
    padding: var(--space-4);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 12px;
    background: rgba(255,255,255,0.015);
  }

  .board-table td, .board-table th[scope="row"] {
    padding: 2px 0;
    border: none;
  }

  .cell-time {
    grid-column: 1;
    grid-row: 1;
    font-size: 0.85rem;
  }

  th[scope="row"] {
    grid-column: 1 / -1;
    grid-row: 2;
    padding-top: 4px !important;
    padding-bottom: 6px !important;
  }

  .open-item {
    font-size: 1.05rem;
    display: block;
    width: 100%;
    white-space: normal;
  }

  .cell-line {
    grid-column: 1;
    grid-row: 3;
  }

  .cell-fare {
    grid-column: 2;
    grid-row: 3;
    justify-self: end;
  }

  .cell-gate, .cell-status {
    grid-column: 1 / -1;
  }

  .cell-gate::before, .cell-status::before {
    content: attr(data-label) ": ";
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

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

  .ticket__stub {
    flex-direction: row;
    border-right: none;
    border-bottom: 2px dashed var(--color-border);
    padding: var(--space-4) var(--space-5);
  }

  .ticket__category {
    writing-mode: horizontal-tb;
    transform: none;
  }

  .ticket__stub-spacer {
    display: none;
  }

  .ticket__barcode {
    display: none;
  }

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

  .ticket__main {
    padding: var(--space-5) var(--space-4) var(--space-4);
  }
}