/* Open Festival Planner — demo page styles.
   Palette roles follow the validated reference palette: single categorical
   accent (blue) for selected marks, neutral ink for rejected ghosts, status
   colors reserved for validation state, text always in ink tokens. */

:root {
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-1-ink: #ffffff;
  --status-good: #006300;
  --status-good-mark: #0ca30c;
  --status-critical: #d03b3b;
  --status-critical-text: #d03b3b;
  --status-serious: #a34e12;
  --focus-ring: #2a78d6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0d0d0d;
    --surface-1: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-1-ink: #0b0b0b; /* dark ink on the dark-mode blue: white would be 3.6:1 */
    --status-good: #0ca30c;
    --status-good-mark: #0ca30c;
    --status-critical: #d03b3b;
    --status-critical-text: #e66767; /* #d03b3b is 3.6:1 on the dark surface — too low for text */
    --status-serious: #ec835a;
    --focus-ring: #3987e5;
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page { max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px; }

a { color: var(--series-1); text-decoration: none; }
a:hover { text-decoration: underline; }

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

:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

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

.site-header { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 20px; }
.site-header h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: -0.02em; }
.tagline { margin: 0; max-width: 62ch; color: var(--text-secondary); }
.header-links { display: flex; align-items: center; gap: 12px; }
.header-links a { font-weight: 600; white-space: nowrap; }

.site-footer { margin-top: 28px; color: var(--text-muted); font-size: 13px; }
.site-footer p { max-width: 90ch; }

/* ---------- layout ---------- */

.layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

h2 { margin: 0 0 12px; font-size: 17px; }
h3 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
h4 { margin: 0; font-size: 13px; color: var(--text-secondary); }

/* ---------- controls ---------- */

.controls .field { margin-bottom: 16px; }
.field-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.hint { font-weight: 400; color: var(--text-muted); font-size: 12px; }

.segmented { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.segmented label { flex: 1; position: relative; }
.segmented input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segmented span {
  display: block; text-align: center; padding: 7px 4px; font-size: 13px;
  color: var(--text-secondary); cursor: pointer; border-right: 1px solid var(--border);
}
.segmented label:last-child span { border-right: none; }
.segmented input:checked + span { background: var(--series-1); color: var(--series-1-ink); font-weight: 600; }
.segmented input:focus-visible + span { outline: 2px solid var(--focus-ring); outline-offset: -2px; }

.festival-profile { margin-top: 8px; font-size: 12.5px; color: var(--text-muted); }
.festival-profile strong { color: var(--text-secondary); font-weight: 600; }

select, input[type="number"], textarea {
  width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--page);
}
input[type="number"] { font-variant-numeric: tabular-nums; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 11px;
  background: var(--page); color: var(--text-secondary); font-size: 12.5px; cursor: pointer;
}
.chip[aria-pressed="true"] {
  background: var(--series-1); border-color: var(--series-1);
  color: var(--series-1-ink); font-weight: 600;
}

.toggles { display: grid; gap: 6px; }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
.toggle input { width: 15px; height: 15px; accent-color: var(--series-1); }

textarea { font-family: ui-monospace, Consolas, monospace; font-size: 12px; resize: vertical; }
.custom-json-actions { margin-top: 6px; }
.error { color: var(--status-critical-text); font-size: 12.5px; }

.ghost-btn {
  border: 1px solid var(--border); background: transparent; border-radius: 8px;
  padding: 5px 12px; font-size: 12.5px; color: var(--text-secondary); cursor: pointer;
}
.ghost-btn:hover { background: var(--page); color: var(--text-primary); }

.how-it-works { font-size: 13px; color: var(--text-secondary); }
.how-it-works summary { cursor: pointer; font-weight: 600; }
.how-it-works p { margin: 8px 0 0; }

/* ---------- results ---------- */

.results { display: grid; gap: 14px; }
.results-header { display: flex; align-items: center; gap: 12px; }
.results-header h2 { margin: 0; }

.status-pill {
  font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-secondary);
}
.status-pill.good { color: var(--status-good); border-color: currentColor; }
.status-pill.bad { color: var(--status-critical-text); border-color: currentColor; }
.status-pill.warn { color: var(--status-serious); border-color: currentColor; }

.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 640px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.tile .tile-value { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.2; }
.tile .tile-label { font-size: 12px; color: var(--text-muted); }

/* ---------- timeline viz ---------- */

.viz-header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--text-secondary); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 14px; height: 10px; border-radius: 3px; display: inline-block; }
.swatch-selected { background: var(--series-1); }
.swatch-rejected { border: 1.5px dashed var(--text-muted); background: transparent; }

.timeline { margin-top: 4px; }
.tl-axis { display: grid; grid-template-columns: 112px 1fr; margin-bottom: 2px; }
.tl-axis .tl-track { position: relative; height: 18px; }
.tl-tick {
  position: absolute; top: 0; transform: translateX(-50%);
  font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) { .tl-tick-minor { display: none; } }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.tl-row { display: grid; grid-template-columns: 112px 1fr; align-items: stretch; }
.tl-date {
  font-size: 12.5px; color: var(--text-secondary); padding: 12px 10px 0 0;
  white-space: nowrap; font-variant-numeric: tabular-nums;
}
.tl-track { position: relative; height: 44px; border-left: 1px solid var(--baseline); }
.tl-grid { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--grid); }
.tl-mark {
  position: absolute; top: 7px; height: 30px; border-radius: 4px; border: 0; padding: 0 6px;
  display: block; line-height: 30px; text-align: left; overflow: hidden; cursor: default;
  box-shadow: 0 0 0 2px var(--surface-1); /* 2px surface ring between adjacent marks */
  font-size: 11px; white-space: nowrap; text-overflow: ellipsis;
}
.tl-mark.selected { background: var(--series-1); color: var(--series-1-ink); }
.tl-mark.rejected {
  background: transparent; border: 1.5px dashed var(--text-muted);
  color: var(--text-muted); top: 9px; height: 26px; line-height: 23px;
}
.tl-mark:hover, .tl-mark:focus-visible { filter: brightness(1.08); }
.tl-empty { padding: 10px 0; color: var(--text-muted); font-size: 13px; }

.tooltip {
  position: fixed; z-index: 10; max-width: 300px; pointer-events: none;
  background: var(--surface-1); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
  font-size: 12.5px; line-height: 1.45; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.tooltip .tt-title { font-weight: 650; }
.tooltip .tt-meta { color: var(--text-secondary); }
.tooltip .tt-muted { color: var(--text-muted); }

/* ---------- itinerary cards ---------- */

.day-group { margin-bottom: 14px; }
.day-group:last-child { margin-bottom: 0; }
.day-heading { font-size: 13px; font-weight: 650; color: var(--text-secondary); margin: 0 0 8px; font-variant-numeric: tabular-nums; }
.card {
  display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; gap: 4px 14px;
  padding: 10px 12px; border: 1px solid var(--border); border-left: 3px solid var(--series-1);
  border-radius: 8px; margin-bottom: 8px; background: var(--page);
}
.card-time { font-variant-numeric: tabular-nums; color: var(--text-secondary); font-size: 13px; white-space: nowrap; }
.card-venue { grid-column: 1; font-size: 11.5px; color: var(--text-muted); }
.card-main { grid-column: 2; grid-row: 1 / span 2; }
.card-title { font-weight: 650; }
.card-sub { font-size: 12.5px; color: var(--text-secondary); }
.card-badges { grid-column: 3; grid-row: 1 / span 2; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-secondary); white-space: nowrap;
}
.badge-score { font-weight: 650; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.empty-note { color: var(--text-muted); font-size: 13.5px; margin: 0; }

/* ---------- rejected table ---------- */

.count-badge { font-size: 12px; color: var(--text-muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
.table-wrap { overflow-x: auto; }
.rejected-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.rejected-table th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted); font-weight: 600; padding: 6px 10px 6px 0; border-bottom: 1px solid var(--baseline);
}
.rejected-table td { padding: 7px 10px 7px 0; border-bottom: 1px solid var(--grid); vertical-align: top; }
.rejected-table td:first-child { font-variant-numeric: tabular-nums; color: var(--text-secondary); white-space: nowrap; }
.reason-tag { font-size: 12px; color: var(--text-secondary); }
.rejected-table td.details-cell { color: var(--text-muted); font-size: 12.5px; }

/* ---------- validation ---------- */

.validation { display: flex; flex-wrap: wrap; gap: 8px; }
.check {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px;
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 11px; color: var(--text-secondary);
}
.check .mark-icon { font-weight: 700; }
.check.ok .mark-icon { color: var(--status-good-mark); }
.check.fail { color: var(--status-critical-text); border-color: currentColor; }
.check.fail .mark-icon { color: var(--status-critical-text); }
.warnings { margin: 10px 0 0; padding-left: 18px; color: var(--status-serious); font-size: 12.5px; }
.warnings:empty { display: none; margin: 0; }

/* ---------- JSON panel ---------- */

.json-panel summary { cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--text-secondary); }
.json-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
@media (max-width: 900px) { .json-cols { grid-template-columns: 1fr; } }
.json-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.json-panel pre {
  margin: 0; padding: 10px; background: var(--page); border: 1px solid var(--border);
  border-radius: 8px; font-size: 11.5px; line-height: 1.5; overflow: auto; max-height: 420px;
  font-family: ui-monospace, Consolas, monospace;
}

@media (prefers-reduced-motion: no-preference) {
  .chip, .segmented span, .ghost-btn { transition: background-color 120ms ease, color 120ms ease; }
}