/* MyCourtLab design tokens + shared components (see docs/UX_AUDIT.md).
   ONE source of truth for the web. Pages link this BEFORE their page styles. */

:root {
  /* color tokens */
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --surface-2: #F3F4F6;
  --text: #111827;
  --dim: #6B7280;
  --line: #E5E7EB;
  --accent: #15803D;        /* Court Green */
  --accent-dark: #166534;
  --accent-tint: #DCFCE7;
  --lime: #84CC16;          /* brand secondary — the ball */
  --lime-ink: #1A2E05;      /* readable text on lime */
  --ink: #14241A;           /* brand near-black (greenish) */
  --danger: #DC2626;
  --danger-tint: #FEE2E2;
  --team-a: #2563EB;
  --team-b: #EA580C;

  /* legacy aliases so existing page CSS keeps working (old dark names) */
  --card: var(--surface);
  --card2: var(--surface-2);
  --yellow: var(--accent);
  --green: var(--accent);
  --red: var(--danger);
  --blue: var(--team-a);

  /* shape + elevation */
  --r-card: 16px;
  --r-input: 12px;
  --shadow-1: 0 1px 2px rgba(17,24,39,.05), 0 1px 3px rgba(17,24,39,.06);
  --shadow-2: 0 4px 12px rgba(17,24,39,.08), 0 1px 3px rgba(17,24,39,.05);
  --shadow-3: 0 12px 32px rgba(17,24,39,.12);

  /* type — Space Grotesk (brand) + Space Mono (labels/taglines), 4 sizes */
  --font: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --fs-display: 28px;  /* 800 */
  --fs-title: 20px;    /* 700 */
  --fs-body: 15px;     /* 400 */
  --fs-caption: 12.5px;/* 500 */
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { color-scheme: light; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.45;
  padding-bottom: 48px;
}

/* ---------- shared components ---------- */

.card {
  background: var(--surface);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-1);
  padding: 16px;
  margin-bottom: 12px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; text-decoration: none;
  font-family: var(--font); font-size: 14px; font-weight: 700;
  border-radius: 999px; padding: 0 20px; min-height: 48px;
  transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
  background: var(--surface-2); color: var(--text);
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-1); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--accent-tint); border-color: var(--accent-tint); }
.btn-danger { background: transparent; color: var(--danger); border: 1.5px solid var(--line); }
.btn-danger:hover { background: var(--danger-tint); border-color: var(--danger-tint); }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 13px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface-2); color: var(--dim);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600;
  border: none; cursor: pointer; font-family: var(--font);
}
.chip.on { background: var(--accent-tint); color: var(--accent-dark); }

.input {
  background: var(--surface);
  border: 1.5px solid var(--line);
  color: var(--text);
  border-radius: var(--r-input);
  padding: 12px 14px; font-size: 15px; font-family: var(--font);
  width: 100%; outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }

.label { display: block; color: var(--dim); font-size: var(--fs-caption); font-weight: 600; margin: 10px 0 4px; }

h1.brand { font-size: 22px; font-weight: 800; letter-spacing: -.2px; color: var(--text); }
h1.brand .dot { color: var(--accent); }
h2.section { font-family: var(--font-mono); font-size: var(--fs-caption); color: var(--dim); font-weight: 700; margin: 20px 0 8px; text-transform: uppercase; letter-spacing: 1px; }

/* brand logo (drops the text wordmark for the real lockup) */
.brand-logo { height: 30px; width: auto; display: block; }

.dim { color: var(--dim); font-size: 13px; }
.err { color: var(--danger); padding: 24px; text-align: center; }

/* skeleton loading */
@keyframes skel { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
.skel {
  border-radius: var(--r-card); height: 64px; margin-bottom: 12px;
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: skel 1.4s ease infinite;
  box-shadow: var(--shadow-1);
}

/* dropdown menu (account / group ⋯) */
.menu-wrap { position: relative; display: inline-block; }
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40;
  background: var(--surface); border-radius: 14px; box-shadow: var(--shadow-3);
  min-width: 200px; padding: 6px; display: none;
}
.menu.open { display: block; }
.menu button, .menu a {
  display: block; width: 100%; text-align: left; background: none; border: none;
  font-family: var(--font); font-size: 14px; font-weight: 600; color: var(--text);
  padding: 12px 14px; border-radius: 10px; cursor: pointer; text-decoration: none;
}
.menu button:hover, .menu a:hover { background: var(--surface-2); }
.menu .danger { color: var(--danger); }
.menu .sep { height: 1px; background: var(--line); margin: 6px 8px; }

/* modal scaffold */
.modal-scrim {
  position: fixed; inset: 0; background: rgba(17,24,39,.45); z-index: 50;
  display: none; align-items: center; justify-content: center; padding: 18px;
}
.modal-scrim.open { display: flex; }
.modal-box {
  background: var(--surface); border-radius: 20px; box-shadow: var(--shadow-3);
  padding: 22px; max-width: 460px; width: 100%; max-height: 88vh; overflow: auto;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}