/* ═══════════════════════════════════════════════════════════
   base.css — Reset, fonts, CSS variables, global layout
   ═══════════════════════════════════════════════════════════ */

/* ── LOCAL FONTS ─────────────────────────────────────────── */
@font-face {
  font-family: 'Press Start 2P';
  font-style:  normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/press-start-2p.woff2') format('woff2');
}
@font-face {
  font-family: 'VT323';
  font-style:  normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/vt323.woff2') format('woff2');
}

/* ── CSS VARIABLES ───────────────────────────────────────── */
:root {
  --bg:          #f5f5f5;   /* Chrome 404 page background */
  --surface:     #ffffff;
  --border:      #e0e0e0;
  --text:        #595959;   /* Chrome's body-text gray */
  --muted:       #9aa0a6;
  --accent:      #535353;   /* Chrome dino gray */
  --gold:        #ffd700;
  --danger:      #c0392b;
  --green:       #1e7e34;
  --blue:        #1a73e8;   /* Chrome brand blue */
  --shadow:      0 1px 4px rgba(0,0,0,0.10);

  /* Shared composite values — extracted to avoid repetition across sheets */
  --overlay-bg:    rgba(255, 255, 255, 0.93); /* semi-transparent game overlays */
  --separator:     rgba(224, 224, 224, 0.6);  /* stat-row / table row dividers  */
  --controls-overlay-bg: rgba(0, 0, 0, 0.45); /* fullscreen bottom controls bar */

  /* ── Chromatic Edition theme tokens ────────────────────── */
  /* Day palette (mirrors js/game/renderer.js day values) */
  --ce-day-bg:    var(--surface);  /* alias — keeps in sync with --surface */
  --ce-day-fg:    var(--accent);   /* alias — keeps in sync with --accent  */
  --ce-day-dim:   #d4d4d4;

  /* Night palette */
  --ce-night-bg:  #404040;
  --ce-night-fg:  #f0f0f0;
  --ce-night-dim: #606060;

  /* Speed-bar accent ramp (matches SPEED_BAR_LUTS in renderer.js) */
  --ce-blue:      var(--blue);     /* alias — keeps in sync with --blue    */
  --ce-orange:    #e67e22;
  --ce-red:       var(--danger);   /* alias — keeps in sync with --danger  */

  /* Leaderboard medal colours */
  --ce-gold:      var(--gold);     /* alias — keeps in sync with --gold    */
  --ce-silver:    #c0c0c0;
  --ce-bronze:    #cd7f32;
}

/* ── RESET ───────────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── TEXT SELECTION ──────────────────────────────────────── */
::selection {
  background: var(--ce-blue);
  color: #fff;
}

/* ── CUSTOM SCROLLBAR (Chromium / WebKit) ────────────────── */
::-webkit-scrollbar             { width: 6px; height: 6px; }
::-webkit-scrollbar-track       { background: transparent; }
::-webkit-scrollbar-thumb       { background: var(--ce-day-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ce-day-fg); }

/* ── BODY ────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Press Start 2P', monospace;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

/* ── HEADER ──────────────────────────────────────────────── */
header {
  width: 100%;
  max-width: 960px;
  padding: 14px 20px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: clamp(9px, 2.2vw, 13px);
  color: var(--accent);
  letter-spacing: 3px;
}

.score-display {
  font-size: clamp(8px, 2vw, 11px);
  color: var(--muted);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.score-display .score-val { color: var(--accent); }

/* "HI" prefix label — muted colour, slightly smaller than the score digits */
.hi-label {
  color: var(--muted);
  font-size: 0.8em;
  letter-spacing: 1px;
}

/* ── RESET HI BUTTON ─────────────────────────────────────── */
.reset-hi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  font-size: 8px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
  vertical-align: middle;
}
.reset-hi-btn:hover {
  opacity: 1;
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  max-width: 960px;
  width: 100%;
  padding: 12px 20px;
  text-align: center;
  font-size: clamp(5px, 1.1vw, 6px);
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: auto;
  letter-spacing: 2px;
}