/* ═══════════════════════════════════════════════════════
   base.css — CSS Variables, Reset, Typography
═══════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  /* Colors */
  --bg:         #070b16;
  --surface:    #121a2c;
  --surface2:   #1a2440;
  --surface3:   #243157;
  --border:     #31416b;
  --border2:    #41558a;

  /* Brand */
  --accent:     #65bcdb;
  --accent-dim: rgba(101, 188, 219, 0.18);
  --accent2:    #39d8ff;
  --accent2-dim:rgba(57, 216, 255, 0.18);

  /* Semantic */
  --free:       #39d8ff;
  --occupied:   #ff6b8f;
  --reserved:   #ffc86a;
  --unknown:    #90a3cf;

  /* Text */
  --text:       #edf3ff;
  --text-dim:   #c8d4f0;
  --muted:      #9aaad0;
  --muted2:     #6d7ca5;

  /* Typography */
  --font-ui:    'Syne', sans-serif;
  --font-mono:  'Space Mono', monospace;

  /* Spacing */
  --gap-xs:  4px;
  --gap-sm:  8px;
  --gap-md:  12px;
  --gap-lg:  20px;
  --gap-xl:  32px;

  /* Radii */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   14px;
  --r-xl:   20px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(6, 10, 24, 0.4);
  --shadow-md: 0 10px 30px rgba(4, 9, 24, 0.58);
  --shadow-glow: 0 0 20px rgba(101, 188, 219, 0.32);

  /* Transitions */
  --t-fast:   0.15s ease;
  --t-normal: 0.22s ease;
  --t-slow:   0.35s ease;

  /* Header */
  --header-h: 62px;

  /* Viewport minus header — use to align sidebar + map, cap lot list */
  --main-h: calc(100vh - var(--header-h));
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-ui);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(127,140,255,0.16), transparent 58%),
    radial-gradient(1000px 560px at 95% 0%, rgba(101,188,219,0.18), transparent 60%),
    var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
}

button {
  font-family: var(--font-ui);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select {
  font-family: var(--font-ui);
  color: var(--text);
}

img { display: block; max-width: 100%; }

/* ── Grid Background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(127, 140, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 188, 219, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--border2); }

/* ── Selection ── */
::selection {
  background: rgba(101, 188, 219, 0.24);
  color: var(--text);
}

/* ── Utility Classes ── */
.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }
.muted  { color: var(--muted); }
.hidden { display: none !important; }

.label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}