/* =============================================================================
   main.css — Simulador FAU 571. Estética sóbria, responsiva e acessível.
   ========================================================================== */

:root {
  --bg: #0b0e13;
  --panel: #11161d;
  --panel-2: #161d26;
  --border: #232c38;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #e0552b;      /* rota real / âmbar-avermelhado */
  --planned: #78aadc;     /* rota planejada */
  --crash: #ff4d4d;
  --aircraft: #ffd166;
  --warn: #ff5c5c;
  --focus: #6fb4ff;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.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;
}

/* ---- cabeçalho ----------------------------------------------------------- */
.topbar {
  padding: 16px 16px 8px;
  max-width: 1100px;
  margin: 0 auto;
}
.topbar h1 { font-size: 1.15rem; margin: 0 0 2px; }
.subtitle { margin: 0; color: var(--muted); font-size: 0.85rem; }
.subtitle strong { color: var(--accent); }

/* ---- layout -------------------------------------------------------------- */
.layout {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px 28px;
}

@media (min-width: 880px) {
  .layout {
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    grid-template-areas:
      "map      hud"
      "map      controls"
      "profile  profile";
    align-items: start;
  }
  .panel--map { grid-area: map; }
  .panel--profile { grid-area: profile; }
  .panel--hud { grid-area: hud; }
  .panel--controls { grid-area: controls; }
}

/* ---- painéis ------------------------------------------------------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.panel__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px; gap: 8px;
}
.panel h2 { font-size: 0.95rem; margin: 0; }
.badge {
  font-size: 0.7rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 2px 8px; background: var(--panel-2);
  cursor: help;
}

canvas {
  display: block; width: 100%; border-radius: 8px;
  background: #0e1217;
}
#map { height: 340px; }
#profile { height: 200px; }
@media (min-width: 880px) { #map { height: 460px; } }

/* ---- legenda / dicas ----------------------------------------------------- */
.legend {
  list-style: none; display: flex; flex-wrap: wrap; gap: 12px;
  margin: 8px 0 0; padding: 0; font-size: 0.78rem; color: var(--muted);
}
.legend li { display: flex; align-items: center; gap: 6px; }
.swatch { width: 16px; height: 3px; border-radius: 2px; display: inline-block; }
.swatch--planned { background: var(--planned); height: 0; border-top: 2px dashed var(--planned); }
.swatch--actual { background: var(--accent); }
.swatch--ghost { width: 9px; height: 9px; border-radius: 50%; background: transparent;
  border: 2px solid var(--planned); }
.swatch--crash { width: 10px; height: 10px; border-radius: 0; background: transparent;
  box-shadow: inset 0 0 0 2px var(--crash); transform: rotate(45deg); }
.hint, .note, .kbd-help { color: var(--muted); font-size: 0.78rem; margin: 8px 0 0; }
.note strong { color: var(--text); }

/* ---- HUD ----------------------------------------------------------------- */
.hud {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0;
}
.hud > div {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px;
}
.hud dt { color: var(--muted); font-size: 0.72rem; margin: 0; }
.hud dd { margin: 2px 0 0; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.hud__gpws { grid-column: 1 / -1; }
#hudGpws.warn { color: var(--warn); font-weight: 600; }

/* ---- controles ----------------------------------------------------------- */
.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
button {
  font: inherit; color: var(--text); cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px;
}
button:hover { border-color: #33414f; }
#btnPlay { min-width: 130px; }
.speeds { display: inline-flex; gap: 4px; }
.speed-btn { padding: 6px 10px; }
.speed-btn.active { background: var(--accent); border-color: var(--accent); color: #1a0d06; font-weight: 600; }
.clock { color: var(--muted); font-variant-numeric: tabular-nums; margin-left: auto; }

.scrub { display: block; margin-top: 12px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.caption {
  min-height: 1.4em; margin: 10px 0 0; font-size: 0.88rem;
  color: var(--text);
}
kbd {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px; font-size: 0.72rem;
}

/* ---- rodapé -------------------------------------------------------------- */
.footer {
  max-width: 1100px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted);
  font-size: 0.82rem;
}
.footer summary { cursor: pointer; color: var(--text); }
.credit { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--border); }
.credit strong { color: var(--text); }
.footer ul { margin: 8px 0 0; padding-left: 18px; }
.footer li { margin-bottom: 6px; }
.footer em { color: var(--text); font-style: normal; border-bottom: 1px dotted var(--muted); }

/* ---- foco visível -------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---- movimento reduzido -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}