/* ═══════════════════════════════════════════════════════════════
   shared.css — The Dink Society
   Night-match sports club identity
   Palette: Charcoal + Electric Lime + Teal
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens ───────────────────────────────────────────── */
:root {
  /* Surfaces */
  --color-bg: #0e0e0e;
  --color-surface: #161616;
  --color-surface-2: #1e1e1e;
  --color-surface-3: #262626;
  --color-surface-4: #2e2e2e;

  /* Borders */
  --color-border: rgba(255,255,255,0.08);
  --color-border-strong: rgba(255,255,255,0.14);
  --color-divider: rgba(255,255,255,0.06);

  /* Text */
  --color-text: #f0f0ec;
  --color-text-muted: #9a9e97;
  --color-text-faint: #5e625c;
  --color-text-inverse: #0e0e0e;

  /* Primary — Electric Lime */
  --color-lime: #b8ff2c;
  --color-lime-hover: #c8ff58;
  --color-lime-active: #94d10b;
  --color-lime-dim: rgba(184,255,44,0.12);
  --color-lime-ghost: rgba(184,255,44,0.06);

  /* Secondary — Teal */
  --color-teal: #17d7b0;
  --color-teal-hover: #37e4c0;
  --color-teal-dim: rgba(23,215,176,0.12);

  /* Utility */
  --color-red: #ff5c47;
  --color-red-dim: rgba(255,92,71,0.12);
  --color-gold: #f0c040;
  --color-gold-dim: rgba(240,192,64,0.12);

  /* Legacy aliases (so old JS that references these doesn't break) */
  --cream: var(--color-bg);
  --gold: var(--color-lime);
  --gold-deep: var(--color-lime-active);
  --teal-900: var(--color-text);
  --sage: var(--color-surface-2);
  --sage-700: var(--color-surface-3);
  --ds-teal: var(--color-surface-3);
  --ds-gold: var(--color-lime);
  --ds-cream: var(--color-text);
  --ds-black: var(--color-bg);

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: clamp(2rem, 1.2rem + 2vw, 3rem);
  --text-hero: clamp(2.8rem, 1rem + 5vw, 5.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Layout */
  --max-w: 1200px;
  --gutter: 20px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Effects */
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Dark theme (explicit) ────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg: #0e0e0e;
  --color-surface: #161616;
  --color-surface-2: #1e1e1e;
  --color-surface-3: #262626;
  --color-surface-4: #2e2e2e;
  --color-border: rgba(255,255,255,0.08);
  --color-border-strong: rgba(255,255,255,0.14);
  --color-divider: rgba(255,255,255,0.06);
  --color-text: #f0f0ec;
  --color-text-muted: #9a9e97;
  --color-text-faint: #5e625c;
  --color-text-inverse: #0e0e0e;
  --color-lime: #b8ff2c;
  --color-lime-hover: #c8ff58;
  --color-lime-active: #94d10b;
  --color-lime-dim: rgba(184,255,44,0.12);
  --color-lime-ghost: rgba(184,255,44,0.06);
  --color-teal: #17d7b0;
  --color-teal-hover: #37e4c0;
  --color-teal-dim: rgba(23,215,176,0.12);
  --color-red: #ff5c47;
  --color-red-dim: rgba(255,92,71,0.12);
  --color-gold: #f0c040;
  --color-gold-dim: rgba(240,192,64,0.12);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
}

/* ── Light theme ─────────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg: #f5f6f2;
  --color-surface: #ffffff;
  --color-surface-2: #eef0ea;
  --color-surface-3: #e2e5dd;
  --color-surface-4: #d6dad0;

  --color-border: rgba(12, 18, 14, 0.10);
  --color-border-strong: rgba(12, 18, 14, 0.16);
  --color-divider: rgba(12, 18, 14, 0.08);

  --color-text: #111410;
  --color-text-muted: #5e665d;
  --color-text-faint: #8b948a;
  --color-text-inverse: #f4f5f1;

  --color-lime: #7acc00;
  --color-lime-hover: #6eb800;
  --color-lime-active: #5a9900;
  --color-lime-dim: rgba(122,204,0,0.10);
  --color-lime-ghost: rgba(122,204,0,0.05);

  --color-teal: #0ea88d;
  --color-teal-hover: #0c9078;
  --color-teal-dim: rgba(14,168,141,0.10);

  --color-red: #d84b3a;
  --color-red-dim: rgba(216,75,58,0.10);
  --color-gold: #c9972e;
  --color-gold-dim: rgba(201,151,46,0.10);

  --shadow: 0 8px 32px rgba(18,18,18,0.08);
  --shadow-sm: 0 2px 8px rgba(18,18,18,0.06);
}

/* Auto-detect system preference when no data-theme is set */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f6f2;
    --color-surface: #ffffff;
    --color-surface-2: #eef0ea;
    --color-surface-3: #e2e5dd;
    --color-surface-4: #d6dad0;
    --color-border: rgba(12, 18, 14, 0.10);
    --color-border-strong: rgba(12, 18, 14, 0.16);
    --color-divider: rgba(12, 18, 14, 0.08);
    --color-text: #111410;
    --color-text-muted: #5e665d;
    --color-text-faint: #8b948a;
    --color-text-inverse: #f4f5f1;
    --color-lime: #7acc00;
    --color-lime-hover: #6eb800;
    --color-lime-active: #5a9900;
    --color-lime-dim: rgba(122,204,0,0.10);
    --color-lime-ghost: rgba(122,204,0,0.05);
    --color-teal: #0ea88d;
    --color-teal-hover: #0c9078;
    --color-teal-dim: rgba(14,168,141,0.10);
    --color-red: #d84b3a;
    --color-red-dim: rgba(216,75,58,0.10);
    --color-gold: #c9972e;
    --color-gold-dim: rgba(201,151,46,0.10);
    --shadow: 0 8px 32px rgba(18,18,18,0.08);
    --shadow-sm: 0 2px 8px rgba(18,18,18,0.06);
  }
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  min-height: 100dvh;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; border: none; background: none; color: inherit; }
p { max-width: 64ch; }
h1, h2, h3, h4 { line-height: 1.05; font-weight: 800; }
::selection { background: var(--color-lime-dim); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-lime); outline-offset: 3px; border-radius: 4px; }

/* ── Container ───────────────────────────────────────────────── */
.container { width: min(calc(100% - 2rem), var(--max-w)); margin: 0 auto; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: 0 var(--space-5); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 700; transition: all var(--transition);
  border: 1px solid transparent; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lime { background: var(--color-lime); color: var(--color-text-inverse); }
.btn-lime:hover { background: var(--color-lime-hover); }
.btn-teal { background: var(--color-teal); color: var(--color-text-inverse); }
.btn-outline { border-color: var(--color-border-strong); color: var(--color-text); }
.btn-outline:hover { background: var(--color-surface-2); }
.btn-ghost { color: var(--color-text-muted); background: var(--color-surface-2); }
.btn-sm { min-height: 36px; padding: 0 var(--space-4); font-size: var(--text-xs); }
.btn-danger { color: var(--color-red); border-color: rgba(255,92,71,0.3); }

/* ── Chips / badges ──────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; height: 26px; padding: 0 var(--space-3);
  border-radius: var(--radius-full); font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.chip-lime { background: var(--color-lime-dim); color: var(--color-lime); border: 1px solid rgba(184,255,44,0.18); }
.chip-teal { background: var(--color-teal-dim); color: var(--color-teal); border: 1px solid rgba(23,215,176,0.18); }
.chip-gold { background: var(--color-gold-dim); color: var(--color-gold); border: 1px solid rgba(240,192,64,0.18); }
.chip-red { background: var(--color-red-dim); color: var(--color-red); border: 1px solid rgba(255,92,71,0.18); }

/* ── Cards ───────────────────────────────────────────────────── */
.ds-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow);
}
.ds-card-sm { padding: var(--space-4); border-radius: var(--radius-md); }
.ds-card-flush { padding: 0; overflow: hidden; }

/* ── Data tables ─────────────────────────────────────────────── */
.ds-table {
  width: 100%; border-collapse: collapse; font-size: var(--text-sm);
}
.ds-table th {
  padding: var(--space-3) var(--space-4); text-align: left;
  font-size: var(--text-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-text-faint);
  border-bottom: 1px solid var(--color-border-strong);
  background: var(--color-surface);
}
.ds-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.ds-table tr:hover td { background: var(--color-surface-2); }

/* ── Form inputs ─────────────────────────────────────────────── */
.ds-input, .ds-select {
  min-height: 44px; padding: 0 var(--space-4); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface-2);
  color: var(--color-text); font: inherit; font-size: var(--text-sm);
  transition: border-color var(--transition); width: 100%;
}
.ds-input:focus, .ds-select:focus { outline: none; border-color: var(--color-lime); }
.ds-input::placeholder { color: var(--color-text-faint); }
.ds-input.is-invalid { border-color: var(--color-red); }

.ds-label {
  display: block; font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-text-muted); margin-bottom: var(--space-2);
}

.ds-textarea {
  min-height: 80px; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface-2); color: var(--color-text);
  font: inherit; font-size: var(--text-sm); resize: vertical; width: 100%;
}
.ds-textarea:focus { outline: none; border-color: var(--color-lime); }

/* ── Status messages ─────────────────────────────────────────── */
.ds-status {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 600; margin-top: var(--space-3);
}
.ds-status.is-info { background: var(--color-teal-dim); color: var(--color-teal); }
.ds-status.is-error { background: var(--color-red-dim); color: var(--color-red); }
.ds-status.is-success { background: var(--color-lime-dim); color: var(--color-lime); }
.ds-status:empty { display: none; }

/* ── Section / Page hero ─────────────────────────────────────── */
.ds-hero {
  padding: clamp(var(--space-8), 6vw, var(--space-16)) 0 var(--space-8);
}
.ds-hero .eyebrow {
  font-size: var(--text-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--color-teal); margin-bottom: var(--space-3);
  display: flex; align-items: center; gap: var(--space-2);
}
.ds-hero .eyebrow::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-teal); box-shadow: 0 0 0 4px var(--color-teal-dim);
}
.ds-hero h1 {
  font-size: var(--text-hero); text-transform: uppercase;
  letter-spacing: -0.01em;
}
.ds-hero .subtitle {
  color: var(--color-text-muted); font-size: var(--text-lg);
  margin-top: var(--space-4); max-width: 52ch;
}

.ds-section { padding: clamp(var(--space-8), 5vw, var(--space-16)) 0; }
.ds-section-title {
  font-size: var(--text-3xl); text-transform: uppercase; margin-bottom: var(--space-6);
}
.ds-divider { height: 1px; background: var(--color-divider); margin: var(--space-6) 0; }

/* ── Empty state ─────────────────────────────────────────────── */
.ds-empty {
  text-align: center; padding: var(--space-10) var(--space-6);
  color: var(--color-text-faint); font-size: var(--text-sm);
}

/* ── Footer ──────────────────────────────────────────────────── */
.ds-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-10);
  color: var(--color-text-faint); font-size: var(--text-sm);
}
.ds-footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-4);
}
.ds-footer-brand {
  display: flex; align-items: center; gap: var(--space-3);
}
.ds-footer-brand strong {
  font-size: var(--text-sm); font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.ds-footer-links { display: flex; gap: var(--space-4); }
.ds-footer-links a:hover { color: var(--color-text); }

/* Footer sponsor — K'CHN */
.ds-footer-sponsor {
  display: flex; align-items: center; gap: var(--space-2);
  flex-wrap: wrap;
}
.ds-footer-sponsor__label {
  font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-text-faint); font-weight: 700;
}
.kchn-logo {
  display: inline-flex; align-items: center; background: #000;
  border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; padding: 3px 9px;
}
.kchn-logo span {
  font-size: 13px; font-weight: 900; color: #f0d020;
  letter-spacing: 0.06em; font-style: italic;
}
.ds-footer-meta {
  text-align: center; margin-top: var(--space-4);
  font-size: 0.65rem; color: var(--color-text-faint);
}
.ds-footer-meta a { color: var(--color-text-faint); }
.ds-footer-meta a:hover { color: var(--color-text); }

/* ── Utility grids ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .ds-hero h1 { font-size: clamp(2rem, 8vw, 3.5rem); }
}
@media (max-width: 600px) {
  .ds-card { padding: var(--space-4); }
  .ds-hero { padding: var(--space-6) 0 var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}