/* Concourse — a team task inbox styled as an airport departures board. */

:root {
  --board-bg: #0e1117;
  --board-bg-alt: #171b24;
  --board-panel: #12151d;
  --board-line: rgba(236, 231, 218, 0.14);
  --board-line-strong: rgba(236, 231, 218, 0.24);
  --cream: #ece7da;
  --cream-bright: #f7f4ea;
  --cream-dim: #a9a495;
  --ink: #14161c;

  --amber: #eab054;
  --amber-strong: #f0b64c;

  --status-todo-onDark: #86acdf;
  --status-todo-onLight: #2f5590;
  --status-progress-onDark: #f0b64c;
  --status-progress-onLight: #8a5a10;
  --status-blocked-onDark: #f0776c;
  --status-blocked-onLight: #a3271f;
  --status-done-onDark: #74cb84;
  --status-done-onLight: #1f6b2c;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(120% 140% at 50% -10%, #1a2130 0%, var(--board-bg) 46%, #0a0c11 100%);
  color: var(--cream);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

/* scrollbars */
.board-rows {
  scrollbar-color: var(--amber-strong) var(--board-bg-alt);
  scrollbar-width: thin;
}
.board-rows::-webkit-scrollbar {
  width: 10px;
}
.board-rows::-webkit-scrollbar-track {
  background: var(--board-bg-alt);
}
.board-rows::-webkit-scrollbar-thumb {
  background: var(--amber-strong);
  border-radius: 6px;
  border: 2px solid var(--board-bg-alt);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--amber);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 100;
  transition: top 160ms ease;
  text-decoration: none;
}
.skip-link:focus {
  top: 12px;
}

.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;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 28px 20px 20px;
  max-width: 1180px;
  margin: 0 auto;
}

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

.board-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--board-line);
  margin-bottom: 18px;
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.wordmark {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  font-weight: 400;
  flex-wrap: wrap;
}

.wordmark .flap-tile {
  width: 30px;
  height: 40px;
  font-size: 22px;
}

.flap-wrap {
  display: contents;
}

.tagline {
  margin: 0;
  color: var(--cream-dim);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-family: var(--font-mono);
  color: var(--cream-dim);
}

.clock-time {
  font-size: 26px;
  font-weight: 600;
  color: var(--cream-bright);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.clock-date {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Flap tiles (shared: wordmark + detail status display) ---------- */

.flap-tile {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1b1e26 0%, #101218 100%);
  color: var(--cream-bright);
  border-radius: 3px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 -1px 0 rgba(0, 0, 0, 0.5) inset,
    0 2px 3px rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1;
  overflow: hidden;
  perspective: 80px;
}

.flap-tile::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(0, 0, 0, 0.55);
  transform: translateY(-0.5px);
}

.flap-tile .flap-letter {
  display: inline-block;
  transform-origin: 50% 50%;
}

@media (prefers-reduced-motion: no-preference) {
  .flap-tile.is-flipping .flap-letter {
    animation: flap-turn 120ms ease-in;
  }
}

@keyframes flap-turn {
  0% {
    transform: rotateX(0deg);
    opacity: 1;
  }
  45% {
    transform: rotateX(85deg);
    opacity: 0.4;
  }
  55% {
    transform: rotateX(-85deg);
    opacity: 0.4;
  }
  100% {
    transform: rotateX(0deg);
    opacity: 1;
  }
}

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

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px 18px;
  margin-bottom: 18px;
}

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

.field label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
  font-weight: 600;
}

.field-search {
  flex: 1 1 240px;
  min-width: 200px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--cream-dim);
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  background: var(--board-panel);
  border: 1px solid var(--board-line-strong);
  border-radius: var(--radius-md);
  color: var(--cream-bright);
  font-size: 15px;
  font-family: var(--font-sans);
  caret-color: var(--amber);
}

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

.field-filter {
  flex: 0 0 auto;
}

#filter-select {
  appearance: none;
  padding: 10px 34px 10px 12px;
  background-color: var(--board-panel);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23a9a495' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'><polyline points='5,7.5 10,12.5 15,7.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  border: 1px solid var(--board-line-strong);
  border-radius: var(--radius-md);
  color: var(--cream-bright);
  font-size: 15px;
  font-family: var(--font-sans);
  min-width: 168px;
}

#filter-select option {
  background: var(--board-panel);
  color: var(--cream-bright);
}

.results-count {
  margin: 0 0 0 auto;
  font-size: 13px;
  color: var(--cream-dim);
  font-variant-numeric: tabular-nums;
  align-self: center;
}

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

.board {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--board-panel);
  border: 1px solid var(--board-line-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), 0 2px 0 rgba(255, 255, 255, 0.03) inset;
  overflow: hidden;
}

.board-columns {
  display: none;
  padding: 12px 20px;
  background: var(--board-bg-alt);
  border-bottom: 1px solid var(--board-line);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
  font-weight: 600;
}

.board-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

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

.row-btn {
  all: unset;
  box-sizing: border-box;
  display: grid;
  width: 100%;
  cursor: pointer;
  padding: 14px 20px;
  gap: 6px 14px;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "status remarks"
    "flight flight"
    "meta meta";
  transition: background-color 150ms ease;
}

.row-btn:hover,
.row-btn:focus-visible {
  background: rgba(234, 176, 84, 0.08);
}

.row-btn:focus-visible {
  outline-offset: -2px;
}

.cell {
  min-width: 0;
}

.cell-status {
  grid-area: status;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.status-dot[data-status="todo"] {
  background: var(--status-todo-onDark);
}
.status-dot[data-status="in-progress"] {
  background: var(--status-progress-onDark);
}
.status-dot[data-status="blocked"] {
  background: var(--status-blocked-onDark);
}
.status-dot[data-status="done"] {
  background: var(--status-done-onDark);
}

.status-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 150ms ease;
}
.status-label[data-status="todo"] {
  color: var(--status-todo-onDark);
}
.status-label[data-status="in-progress"] {
  color: var(--status-progress-onDark);
}
.status-label[data-status="blocked"] {
  color: var(--status-blocked-onDark);
}
.status-label[data-status="done"] {
  color: var(--status-done-onDark);
}

.cell-remarks {
  grid-area: remarks;
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--cream-dim);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.cell-remarks svg {
  width: 15px;
  height: 15px;
}

.cell-flight {
  grid-area: flight;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.flight-title {
  font-size: 16px;
  font-weight: 650;
  color: var(--cream-bright);
  line-height: 1.3;
}

.flight-tags {
  font-size: 12px;
  color: var(--cream-dim);
}

.cell-meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  text-align: left;
  font-size: 13px;
  color: var(--cream-dim);
}

.cell-meta .meta-item {
  display: inline-flex;
  gap: 5px;
  align-items: baseline;
}

.cell-meta .meta-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-dim);
  opacity: 0.75;
}

.cell-meta .meta-value {
  color: var(--cream);
}

.today-chip {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(234, 176, 84, 0.18);
  color: var(--amber-strong);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  vertical-align: middle;
}

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

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
  padding: 60px 24px;
  flex: 1;
  color: var(--cream-dim);
}

.empty-state svg {
  color: var(--cream-dim);
}

.empty-state p {
  margin: 0;
  font-size: 15px;
  max-width: 46ch;
}

.empty-state strong {
  color: var(--cream-bright);
}

.empty-state button {
  margin-top: 4px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--amber-strong);
  background: transparent;
  color: var(--amber-strong);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
  font-family: var(--font-sans);
}

.empty-state button:hover {
  background: var(--amber-strong);
  color: var(--ink);
}

/* ---------- Legend ---------- */

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-top: 16px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--cream-dim);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-item .status-dot {
  width: 8px;
  height: 8px;
}

/* ---------- Detail dialog (boarding pass) ---------- */

dialog#detail-dialog {
  border: none;
  padding: 0;
  border-radius: var(--radius-lg);
  width: min(560px, calc(100vw - 32px));
  max-height: min(760px, calc(100vh - 48px));
  background: transparent;
  color: var(--ink);
  overflow: visible;
}

dialog#detail-dialog::backdrop {
  background: rgba(6, 7, 10, 0.72);
  backdrop-filter: blur(2px);
}

.ticket {
  display: flex;
  flex-direction: column;
  background: var(--cream-bright);
  border-radius: var(--radius-lg);
  max-height: min(760px, calc(100vh - 48px));
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}

.ticket-scroll {
  overflow-y: auto;
  padding: 26px 28px 28px;
}

.ticket-close {
  all: unset;
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #4a463c;
  cursor: pointer;
  transition: background-color 150ms ease;
}
.ticket-close:hover {
  background: rgba(20, 22, 28, 0.08);
}
.ticket-close svg {
  width: 16px;
  height: 16px;
}

#detail-title {
  margin: 0 40px 18px 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}

.ticket-flap-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.flap-display {
  display: flex;
  gap: 3px;
}

.flap-display .flap-tile {
  width: 24px;
  height: 32px;
  font-size: 16px;
}

.status-caption {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.status-caption-text[data-status="todo"] {
  color: var(--status-todo-onLight);
}
.status-caption-text[data-status="in-progress"] {
  color: var(--status-progress-onLight);
}
.status-caption-text[data-status="blocked"] {
  color: var(--status-blocked-onLight);
}
.status-caption-text[data-status="done"] {
  color: var(--status-done-onLight);
}

.ticket-divider {
  border: none;
  border-top: 2px dashed #d8d2c0;
  margin: 0 0 20px;
  position: relative;
}

.ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
  margin-bottom: 20px;
}

.ticket-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ticket-field .ticket-label {
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #6b6552;
  font-weight: 700;
}

.ticket-field .ticket-value {
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
}

.ticket-notes {
  margin-bottom: 22px;
}

.ticket-notes h3 {
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #6b6552;
  margin: 0 0 8px;
  font-weight: 700;
}

.ticket-notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #2b2820;
  white-space: pre-wrap;
}

.status-form {
  border-top: 1px solid #e4dfcd;
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-form label {
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #6b6552;
  font-weight: 700;
}

#status-control {
  padding: 10px 34px 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid #c9c2ac;
  background-color: #fff;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%234a463c' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'><polyline points='5,7.5 10,12.5 15,7.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  appearance: none;
  font-size: 15px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 600;
  max-width: 240px;
}

.status-feedback {
  min-height: 18px;
  margin: 0;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Responsive: desktop table layout ---------- */

@media (min-width: 820px) {
  .board-columns {
    display: grid;
    grid-template-columns: 140px 1.7fr 130px 140px 120px 110px 90px;
    gap: 0 16px;
  }

  .row-btn {
    grid-template-columns: 140px 1.7fr 130px 140px 120px 110px 90px;
    grid-template-areas: "status flight route crew departs priority remarks";
    align-items: center;
    padding: 13px 20px;
  }

  .cell-flight {
    gap: 3px;
  }

  .cell-meta {
    display: contents;
  }

  .cell-meta .meta-item {
    display: block;
  }

  .cell-meta .meta-label {
    display: none;
  }

  .cell-route {
    grid-area: route;
  }
  .cell-crew {
    grid-area: crew;
  }
  .cell-departs {
    grid-area: departs;
  }
  .cell-priority {
    grid-area: priority;
  }

  .cell-route,
  .cell-crew,
  .cell-departs,
  .cell-priority {
    font-size: 13px;
    color: var(--cream-dim);
    text-align: left;
  }

  .cell-route .meta-value,
  .cell-crew .meta-value,
  .cell-departs .meta-value,
  .cell-priority .meta-value {
    color: var(--cream);
  }

  .cell-remarks {
    justify-self: end;
  }

  .ticket-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 819px) {
  .cell-route .meta-label,
  .cell-crew .meta-label,
  .cell-departs .meta-label,
  .cell-priority .meta-label {
    display: inline;
  }
}

@media (max-width: 560px) {
  .page {
    padding: 18px 14px 16px;
  }

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

  .clock {
    align-items: flex-start;
  }

  .wordmark .flap-tile {
    width: 22px;
    height: 30px;
    font-size: 16px;
  }

  .results-count {
    margin-left: 0;
    width: 100%;
  }

  .ticket-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #detail-title {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}