/* GliderTrack board, using AeroLedger's tokens and component styling.
   Launch warnings stay amber and red on the dark board. */

:root {
  --bg: #0c1118;
  --bg-elev: #151c27;
  --bg-soft: #1c2634;
  --border: #2a3648;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --accent: #3d8bfd;
  --accent-2: #5eead4;
  --danger: #f87171;
  --ok: #4ade80;
  --warn: #fbbf24;
  --radius: 12px;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --tap: 2.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2a44 0%, transparent 50%),
    radial-gradient(900px 500px at 100% 0%, #12352f 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.45;
}

body {
  overflow: hidden;
}

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

button {
  cursor: pointer;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#app,
.shell {
  height: 100%;
}

.shell {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.hidden {
  display: none !important;
}

.muted,
.hint {
  color: var(--muted);
}

.hint {
  font-size: 0.85rem;
  margin: 0.25rem 0 0;
}

h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

/* Top bar — same structure as AeroLedger */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 17, 24, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-shrink: 0;
}

.brand {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  margin: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: white;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1rem;
}

.user-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  max-width: 22rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-left: auto;
}

.topbar-actions .btn-chip {
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 9px;
  padding: 0.5rem 0.9rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.btn:hover {
  filter: brightness(1.08);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  border-color: transparent;
  color: #fff;
}

.btn-danger {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.35);
  background: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  letter-spacing: 0.02em;
}

.badge-ok {
  background: rgba(74, 222, 128, 0.18);
  color: #86efac;
  border-color: rgba(74, 222, 128, 0.35);
}

.badge-warn {
  background: rgba(217, 119, 6, 0.2);
  color: var(--warn);
  border-color: rgba(217, 119, 6, 0.45);
}

.badge-bad {
  background: rgba(248, 113, 113, 0.16);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.45);
}

.settings-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.chip.active {
  background: var(--bg-soft);
  color: var(--text);
  border-color: var(--border);
}

.banners {
  flex-shrink: 0;
}

.banner {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  margin: 0.75rem 1rem 0;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
}

.banner.error {
  border-color: rgba(248, 113, 113, 0.45);
  color: var(--danger);
}

.banner.note {
  border-color: rgba(74, 222, 128, 0.35);
  color: var(--ok);
}

.main {
  flex: 1;
  min-height: 0;
  padding: 0.75rem 1rem 1rem;
  display: flex;
  flex-direction: column;
}

.main.scroll {
  overflow: auto;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.page-head h2 {
  margin: 0 0 0.25rem;
}

.page-head p {
  margin: 0;
}

.date-start {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.date-start label,
.date-start input[type="date"] {
  width: auto;
}

.date-start p {
  margin: 0 0 0.45rem;
}

.day-view {
  flex: 1;
  min-height: 0;
}

.day-view > .page-head,
.day-view > .row {
  flex-shrink: 0;
}

.invite-form {
  width: 100%;
  align-self: stretch;
}

.invite-form .row input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.settings-panel-narrow {
  width: 100%;
  max-width: 520px;
}

.card h2 {
  margin-top: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--muted);
}

input,
select,
textarea {
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  width: 100%;
  min-width: 0;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  min-width: 0;
  accent-color: var(--accent);
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 2px solid rgba(61, 139, 253, 0.35);
  border-color: var(--accent);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.65;
}

textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.row input {
  width: auto;
  flex: 1;
  min-width: 12rem;
}

label.check,
label.pick,
.foot label {
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-size: 0.95rem;
  min-height: var(--tap);
}

.pick input,
.check input {
  width: 1.15rem;
  height: 1.15rem;
}

.pick.disabled {
  opacity: 0.7;
}

/* Three stacked tables fill the tablet */
.board {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: 0.5rem;
}

.panes {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pane {
  flex: 1 1 0;
  min-height: 6.5rem;
  display: flex;
  flex-direction: column;
  padding: 0;
  min-width: 0;
  overflow: hidden;
}

.pane-title {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.pane-title span:last-child {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.pane-body {
  overflow: auto;
  flex: 1;
}

.table-card {
  overflow-x: auto;
  padding: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 880px;
}

.data-table th,
.data-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #101720;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.data-table.settings {
  min-width: 640px;
}

.data-table.settings td,
.data-table.settings th {
  white-space: normal;
}

tr.warn td {
  background: rgba(217, 119, 6, 0.22);
}

tr.over td {
  background: rgba(248, 113, 113, 0.22);
}

.flag {
  font-weight: 800;
  margin-left: 0.45rem;
}

tr.warn .flag {
  color: var(--warn);
}

tr.over .flag {
  color: var(--danger);
}

.sw,
.time {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.pane select,
.foot input {
  width: auto;
  min-height: var(--tap);
  background: var(--bg);
}

.pane input.clock {
  width: 6.2rem;
  min-height: var(--tap);
  background: var(--bg);
}

select.seat,
select.launch {
  min-width: 9.5rem;
  max-width: 16rem;
}

input.clock,
input.place,
input[type="date"] {
  width: 6.2rem;
  max-width: 16rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

input.place {
  width: 7.5rem;
  font-weight: 600;
}

.student-bang {
  position: relative;
  margin-left: 0.3rem;
  padding: 0 0.35rem;
  border: 0;
  background: transparent;
  color: #f87171;
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
}

.student-bang.open::after {
  content: "Two students selected";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 0.35rem;
  padding: 0.2rem 0.45rem;
  border-radius: 0.35rem;
  background: #3f1212;
  color: #fecaca;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 5;
}

input[type="date"] {
  width: 100%;
  font-weight: 600;
}

button.fly,
button.land {
  min-height: var(--tap);
  min-width: 5.5rem;
}

.fly-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(28rem, 100%);
}

.login-card form .btn {
  width: 100%;
}

.storage-path {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  background: rgba(12, 17, 24, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.foot label {
  min-height: 0;
  color: var(--text);
  font-weight: 600;
}

.foot input {
  width: 6.2rem;
}

.empty {
  margin: 0;
  padding: 0.85rem 1rem;
  color: var(--muted);
}

.card > .empty {
  padding: 0.25rem 0;
}

.split,
.suggest-cols,
.club-layout {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.club-layout > * {
  flex: 1;
  min-width: 0;
}

.btn-toggle {
  align-self: flex-start;
}

.btn-toggle[aria-pressed="true"] {
  background: rgba(217, 119, 6, 0.22);
  border-color: rgba(217, 119, 6, 0.55);
  color: var(--warn);
}

.split > section,
.suggest-cols > section {
  flex: 1;
  min-width: 0;
}

.name-btn {
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.35rem 0;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font-weight: 600;
  min-height: var(--tap);
}

.name-btn:hover {
  border-color: var(--accent);
  background: rgba(61, 139, 253, 0.12);
}

/* Dialogs follow AeroLedger modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 14, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}

.modal-stack {
  z-index: 130;
}

.modal-panel {
  width: 100%;
  max-width: 440px;
  max-height: 92vh;
  overflow: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.modal-wide {
  max-width: 860px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
}

.modal-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.modal-body {
  padding: 1rem;
}

.modal-body p {
  margin: 0 0 0.85rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

@media (max-width: 900px) {
  .split,
  .suggest-cols,
  .club-layout {
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    margin-left: 0;
  }

  .user-name {
    max-width: 12rem;
  }
}

.day-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 1rem 0;
}

.day-actions .btn-chip {
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.status-line {
  margin: 0.45rem 1rem 0;
}

.status-line.status-tight {
  margin: 0 0 0.5rem;
}

.status-line.error {
  color: var(--danger);
}

.status-line.note {
  color: var(--ok);
}

.hint.ok-text,
.ok-text {
  color: var(--ok);
}

.req-star {
  color: var(--danger);
}

.label-with-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.badge-ac-multi {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 999px;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
}

.ac-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 0.75rem;
}

.form-msg {
  color: var(--danger);
  min-height: 1.1em;
  margin: 0.6rem 0 0;
}

.admin-actions {
  white-space: nowrap;
}

.data-table tr.aircraft-group-header {
  cursor: pointer;
  user-select: none;
}

.data-table tr.aircraft-group-header td {
  background: rgba(0, 0, 0, 0.28);
  border-bottom: 1px solid var(--border);
}

.data-table tr.aircraft-group-header:hover td {
  background: rgba(0, 0, 0, 0.38);
}

.data-table tr.aircraft-group-header .group-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.data-table tr.aircraft-group-header .group-arrow {
  display: inline-block;
  width: 0.85rem;
  color: var(--muted);
  font-size: 0.75rem;
  transition: transform 0.15s ease;
}

.data-table tr.aircraft-group-header.expanded .group-arrow {
  transform: rotate(90deg);
}

.data-table tr.aircraft-group-header .group-count {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.85rem;
}

.data-table tr.aircraft-group-row.group-last td {
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
}

@media (max-width: 900px) {
  .ac-grid {
    grid-template-columns: 1fr;
  }
}