/* WCS Signage Board — dark kiosk theme, Westside Community Schools brand palette.
   Red #C8102E · Black #231F20 · Greys #A7A9AC / #E6E7E8.
   Red is lightened to #EA4B5F on the dark background for contrast. */

:root {
  --wcs-red: #c8102e;
  --wcs-red-bright: #ea4b5f;
  --wcs-black: #231f20;
  --grey-mid: #a7a9ac;
  --grey-light: #e6e7e8;

  --bg: #16151a;
  --bg-panel: #211f24;
  --bg-panel-2: #2a272e;
  --border: #3a3740;
  --text: #f3f2f4;
  --text-dim: #b7b4bd;
  --text-faint: #8a8792;

  --accent-cyber: #ea4b5f;   /* brand red family */
  --accent-k12: #4ea1ff;     /* blue */
  --accent-sys: #46c98b;     /* green */

  --status-good: #46c98b;
  --gap: clamp(10px, 1.1vw, 20px);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Top bar ---- */
.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: clamp(10px, 1.2vh, 18px) clamp(16px, 1.6vw, 30px);
  background: linear-gradient(180deg, var(--wcs-black), #1b191d);
  border-bottom: 3px solid var(--wcs-red);
}

.brand { display: flex; align-items: center; gap: clamp(10px, 1vw, 18px); }

.brand-badge {
  display: grid;
  place-items: center;
  width: clamp(44px, 4vw, 64px);
  height: clamp(44px, 4vw, 64px);
  background: var(--wcs-red);
  color: #fff;
  font-weight: 800;
  font-size: clamp(26px, 2.6vw, 40px);
  line-height: 1;
  border-radius: 10px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.12);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-title { font-size: clamp(20px, 1.9vw, 30px); font-weight: 700; letter-spacing: 0.2px; }
.brand-sub { font-size: clamp(12px, 1.1vw, 17px); color: var(--grey-mid); text-transform: uppercase; letter-spacing: 2px; }

.topbar-right { display: flex; align-items: center; gap: clamp(16px, 2vw, 40px); }

.clock { text-align: right; line-height: 1.05; }
#clock-time { font-size: clamp(26px, 2.8vw, 46px); font-weight: 700; font-variant-numeric: tabular-nums; }
.clock-date { display: block; font-size: clamp(11px, 1vw, 16px); color: var(--grey-mid); letter-spacing: 1px; }

.updated {
  font-size: clamp(11px, 0.95vw, 15px);
  color: var(--text-faint);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
}
.updated.stale { color: #ffcf6b; border-color: #6b5a2b; }

/* ---- Board layout ---- */
.board {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(360px, 34%) 1fr;
  gap: var(--gap);
  padding: var(--gap);
  min-height: 0;
}

.panel-head { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; }
.panel-head h2 { margin: 0; font-size: clamp(15px, 1.3vw, 22px); font-weight: 700; letter-spacing: 0.5px; }
.panel-head .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--status-good);
  box-shadow: 0 0 0 4px rgba(70, 201, 139, 0.18);
}

/* ---- Status panel ---- */
.status-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(10px, 1vw, 18px);
  min-height: 0;
}

.status-frame-wrap {
  position: relative;
  flex: 1 1 auto;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  min-height: 0;
}
#status-frame { width: 100%; height: 100%; border: 0; display: block; }

.frame-fallback {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: var(--bg-panel-2); color: var(--text-dim);
  font-size: clamp(14px, 1.2vw, 20px);
}
/* The [hidden] attribute must win over display:grid above. */
.frame-fallback[hidden] { display: none; }

/* ---- News columns ---- */
.news {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: var(--gap);
  min-height: 0;
}

.news-loading {
  grid-column: 1 / -1;
  display: grid; place-items: center;
  color: var(--text-faint); font-size: clamp(14px, 1.3vw, 22px);
}

.col {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 0;
}

.col-head {
  flex: 0 0 auto;
  padding: clamp(10px, 1vh, 16px) clamp(12px, 1vw, 20px);
  border-bottom: 1px solid var(--border);
  border-top: 4px solid var(--col-accent, var(--wcs-red));
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
}
.col-title {
  margin: 0;
  font-size: clamp(15px, 1.35vw, 24px);
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--col-accent, var(--text));
}

.col-scroll { position: relative; flex: 1 1 auto; overflow: hidden; min-height: 0; }
.col-scroll::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 48px;
  background: linear-gradient(transparent, var(--bg-panel));
  pointer-events: none;
}

.col-track { list-style: none; margin: 0; padding: 0; will-change: transform; }
.col-track.scrolling { animation: scroll-up var(--scroll-dur, 60s) linear infinite; }
@keyframes scroll-up { from { transform: translateY(0); } to { transform: translateY(-50%); } }

.item {
  padding: clamp(10px, 1.1vh, 16px) clamp(12px, 1vw, 20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.item-title {
  font-size: clamp(14px, 1.15vw, 20px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}
.item-meta {
  margin-top: 5px;
  display: flex; gap: 10px; align-items: baseline;
  font-size: clamp(11px, 0.9vw, 15px);
  color: var(--text-faint);
}
.item-source { color: var(--col-accent, var(--grey-mid)); font-weight: 600; }
.item-age::before { content: "•"; margin-right: 8px; color: var(--text-faint); }

@media (prefers-reduced-motion: reduce) {
  .col-track.scrolling { animation: none; }
}

/* Small build marker so the running code version can be confirmed on a
   keyboard-less display at a glance. Bump the number in index.html on changes. */
#build-tag {
  position: fixed;
  right: 6px;
  bottom: 4px;
  font-size: 11px;
  color: var(--text-faint);
  opacity: 0.5;
  pointer-events: none;
  z-index: 9999;
}

/* On-screen diagnostics box (bottom-left). Temporary debugging aid. */
#diag {
  position: fixed;
  left: 6px;
  bottom: 18px;
  max-width: 48%;
  max-height: 40%;
  overflow: hidden;
  font: 12px/1.4 ui-monospace, Menlo, Consolas, monospace;
  color: #7cfc9b;
  background: rgba(0, 0, 0, 0.78);
  padding: 6px 8px;
  border-radius: 6px;
  white-space: pre-wrap;
  z-index: 9998;
  pointer-events: none;
}
#diag:empty { display: none; }