/* Forma — departures board for creative workshops
   Type: mono stack reads as ticket-printer data, condensed uppercase sans reads as
   terminal signage, warm serif carries the printed boarding-pass copy. The split-flap
   tile (seam, bevel, flip) is the drawn identity, not a downloaded display face. */

:root {
  --casing: #14110d;
  --casing-2: #201b14;
  --casing-3: #2b2419;
  --flap: #f3ecdc;
  --flap-2: #e8dfc9;
  --ink: #1c1712;
  --ink-soft: #55493a;
  --amber: #e2a63b;
  --amber-strong: #f0b94f;
  --rust: #9c4a22;
  --line: rgba(243, 236, 220, 0.14);

  --cat-baking: #7d4f1f;
  --cat-ceramics: #7c4128;
  --cat-floristry: #2f5a34;
  --cat-painting: #2e3b6e;

  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --font-sign: "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Iowan Old Style", "Times New Roman", serif;

  --radius: 10px;
  --dur-1: 220ms;
  --dur-2: 420ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--casing-3), transparent 60%),
    var(--casing);
  color: var(--flap);
  font-family: var(--font-sign);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.visually-hidden,
.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: 1rem;
  top: -4rem;
  background: var(--amber);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  font-weight: 700;
  z-index: 100;
  transition: top var(--dur-1) var(--ease);
}
.skip-link:focus {
  top: 1rem;
}

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

::selection {
  background: var(--amber);
  color: var(--ink);
}

.pass-scroll::-webkit-scrollbar { width: 10px; }
.pass-scroll::-webkit-scrollbar-track { background: var(--flap-2); }
.pass-scroll::-webkit-scrollbar-thumb {
  background: var(--rust);
  border-radius: 999px;
  border: 2px solid var(--flap-2);
}

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

/* ---------- Header ---------- */

.terminal-header {
  background:
    linear-gradient(180deg, rgba(20, 17, 13, 0.94) 0%, rgba(20, 17, 13, 0.97) 70%, var(--casing) 100%),
    url("assets/studio.jpg") center 35% / cover no-repeat;
  padding: 2.5rem 1.5rem 1.75rem;
}

.header-content {
  max-width: 1180px;
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.5rem;
}

.brand { min-width: 0; }

.logotype {
  display: flex;
  gap: 0.4rem;
  margin: 0 0 0.6rem;
  padding: 0;
}

.flap-letter {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1;
  width: 1.35em;
  height: 1.5em;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--flap) 0%, var(--flap-2) 100%);
  color: var(--ink);
  border-radius: 6px;
  position: relative;
  box-shadow: 0 6px 14px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.5);
}
.flap-letter::after {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 50%;
  height: 2px;
  background: rgba(28, 23, 18, 0.35);
  transform: translateY(-1px);
}
.flap-letter::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(0,0,0,0.08), transparent 50%, rgba(0,0,0,0.12));
  pointer-events: none;
}

.tagline {
  margin: 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--amber-strong);
}

.clock-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  padding-bottom: 0.3rem;
}
.clock-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  color: #8f8065;
}
.clock-readout {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.lede {
  max-width: 62ch;
  margin: 1.5rem 0 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #d8cfba;
}

/* ---------- Controls ---------- */

.controls {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: end;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 220px;
  flex: 1 1 220px;
}

.control label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--amber-strong);
}

.control input,
.control select {
  background: var(--casing-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  color: var(--flap);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.control input::placeholder { color: #9c8a6a; }

.control select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--amber) 50%), linear-gradient(135deg, var(--amber) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--casing-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  color: var(--flap);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.saved-toggle .ticket-icon { width: 18px; height: 18px; }
.saved-toggle:hover { border-color: var(--amber); }
.saved-toggle[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- Board status ---------- */

.board-status {
  max-width: 1180px;
  margin: 1.5rem auto 0.5rem;
  padding: 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9a8c70;
}

/* ---------- Board ---------- */

main#board {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.board-head {
  display: grid;
  grid-template-columns: 52px 150px 1fr 140px 110px 90px 100px 32px;
  gap: 0.75rem;
  padding: 0 1.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #8f8065;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.75rem;
}

.board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.item-btn {
  width: 100%;
  display: grid;
  grid-template-columns: 52px 150px 1fr 140px 110px 90px 100px 32px;
  grid-template-areas: "thumb time departure terminal duration fare seats arrow";
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(180deg, var(--flap) 0%, var(--flap-2) 100%);
  color: var(--ink);
  border: none;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  cursor: pointer;
  text-align: left;
  box-shadow: 0 4px 10px rgba(0,0,0,0.35);
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.item-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.45);
}
.item-btn:active { transform: translateY(0); }

.cell.thumb {
  grid-area: thumb;
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  transform: rotate(-3deg);
  box-shadow: 0 3px 8px rgba(0,0,0,0.3), 0 0 0 3px var(--flap);
}
.cell.time { grid-area: time; }
.cell.departure { grid-area: departure; min-width: 0; }
.cell.terminal { grid-area: terminal; }
.cell.duration { grid-area: duration; font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-soft); }
.cell.fare { grid-area: fare; }
.cell.seats { grid-area: seats; font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-soft); }
.cell.arrow { grid-area: arrow; text-align: right; color: var(--rust); font-size: 1.2rem; }

.flap-group { display: inline-flex; gap: 1px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.flap-char {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0.72em;
  padding: 0.1em 0.05em;
  background: rgba(28, 23, 18, 0.06);
  border-radius: 2px;
  position: relative;
  font-size: 0.92rem;
  font-weight: 600;
}
.flap-char::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 50%;
  height: 1px;
  background: rgba(28, 23, 18, 0.25);
}

.flight-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--rust);
  margin-bottom: 0.15rem;
}

.title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2f5a34;
  background: rgba(47, 90, 52, 0.14);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #f5f1e6;
  background: var(--chip-color, #555);
  padding: 0.3rem 0.6rem;
  border-radius: 5px;
  white-space: nowrap;
}
.chip[data-category="Baking"] { --chip-color: var(--cat-baking); }
.chip[data-category="Ceramics"] { --chip-color: var(--cat-ceramics); }
.chip[data-category="Floristry"] { --chip-color: var(--cat-floristry); }
.chip[data-category="Painting"] { --chip-color: var(--cat-painting); }

/* Flap-in entrance for the board list */
.board-list.animate li {
  animation: flapIn var(--dur-2) var(--ease) both;
}
.board-list.animate li:nth-child(1) { animation-delay: 0ms; }
.board-list.animate li:nth-child(2) { animation-delay: 45ms; }
.board-list.animate li:nth-child(3) { animation-delay: 90ms; }
.board-list.animate li:nth-child(4) { animation-delay: 135ms; }
.board-list.animate li:nth-child(5) { animation-delay: 180ms; }
.board-list.animate li:nth-child(6) { animation-delay: 225ms; }

@keyframes flapIn {
  from { transform: rotateX(-90deg); opacity: 0; }
  to { transform: rotateX(0deg); opacity: 1; }
}

/* ---------- Empty state ---------- */

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--casing-2);
}
.empty-title {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--amber-strong);
  margin: 0 0 0.5rem;
}
.empty-copy {
  margin: 0 0 1.25rem;
  color: #c9bda2;
  font-family: var(--font-serif);
}
.empty-state button {
  background: var(--amber);
  color: var(--ink);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sign);
}
.empty-state button:hover { background: var(--amber-strong); }

/* ---------- Footer ---------- */

.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
  color: #9a8c70;
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

/* ---------- Detail dialog: boarding pass ---------- */

dialog#detail-dialog {
  border: none;
  padding: 0;
  border-radius: 16px;
  background: transparent;
  max-width: min(640px, 92vw);
  width: 100%;
  color: var(--ink);
  box-shadow: 0 30px 60px rgba(0,0,0,0.55);
}
dialog#detail-dialog::backdrop {
  background: rgba(10, 8, 6, 0.72);
  backdrop-filter: blur(2px);
}

.pass-scroll {
  max-height: 88vh;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 16px;
}

.pass {
  display: grid;
  grid-template-columns: 1fr auto;
  background: linear-gradient(180deg, var(--flap) 0%, var(--flap-2) 100%);
}

.pass-stub {
  padding: 1.75rem 1.75rem 2rem;
}

.close-btn {
  background: none;
  border: none;
  color: var(--rust);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.3rem 0;
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.close-btn:hover { text-decoration: underline; }

.pass-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}
.flight-code#detail-code { font-size: 0.8rem; }

.pass-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1.15;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.pass-instructor {
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pass-photo {
  display: block;
  width: 100%;
  max-height: 190px;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 0 1.25rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.pass-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 1.25rem;
  margin: 0 0 1.5rem;
  padding: 1rem 0;
  border-top: 1px dashed rgba(28,23,18,0.25);
  border-bottom: 1px dashed rgba(28,23,18,0.25);
}
.pass-meta-item dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 0.2rem;
}
.pass-meta-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.pass-body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.6;
  color: #33291d;
  margin: 0;
}

.pass-tab {
  background: var(--casing-3);
  color: var(--flap);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-left: 2px dashed rgba(243, 236, 220, 0.3);
  position: relative;
  min-width: 130px;
}
.pass-tab::before,
.pass-tab::after {
  content: "";
  position: absolute;
  left: -11px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--casing);
}
.pass-tab::before { top: -11px; }
.pass-tab::after { bottom: -11px; }

.pass-tab-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--amber-strong);
  margin: 0;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.pass-tab-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin: 0;
}
.barcode {
  width: 44px;
  height: 66px;
  color: var(--flap);
}

.board-btn {
  width: 100%;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 0.5rem;
  font-family: var(--font-sign);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  background: var(--amber);
  color: var(--ink);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.board-btn:hover { background: var(--amber-strong); }
.board-btn[aria-pressed="true"] {
  background: var(--casing-2);
  color: var(--amber-strong);
  border: 1px solid var(--amber-strong);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .board-head { display: none; }

  .item-btn {
    grid-template-columns: 48px 1fr 1fr;
    grid-template-areas:
      "thumb departure departure"
      "time time terminal"
      "duration duration fare"
      "seats seats arrow";
    row-gap: 0.6rem;
  }
  .cell.arrow { text-align: right; }
  .title { white-space: normal; }
}

@media (max-width: 640px) {
  .terminal-header { padding: 1.75rem 1.25rem 1.25rem; }
  .flap-letter { width: 1.2em; }
  .header-inner { align-items: flex-start; }
  .clock-panel { align-items: flex-start; }
  .controls { padding: 0 1.25rem; }
  main#board { padding: 0 1.25rem 2.5rem; }
  .pass { grid-template-columns: 1fr; }
  .pass-tab {
    flex-direction: row;
    border-left: none;
    border-top: 2px dashed rgba(243, 236, 220, 0.3);
    min-width: 0;
  }
  .pass-tab::before,
  .pass-tab::after {
    left: auto;
    top: -11px;
  }
  .pass-tab::before { left: -11px; }
  .pass-tab::after { right: -11px; bottom: auto; }
  .pass-tab-label { writing-mode: horizontal-tb; transform: none; }
  .pass-meta { grid-template-columns: repeat(2, 1fr); }
  dialog#detail-dialog { max-width: 94vw; }
  .pass-scroll { max-height: 92vh; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .board-list.animate li { animation: none; }
  .item-btn:hover { transform: none; }
}