/* ================================================================
   StatLine — Sports Analytics
   Single stylesheet. Organized top-to-bottom:
     1. Design tokens (CSS variables)
     2. Base / reset
     3. Layout primitives (container, header, footer, nav)
     4. Buttons, forms, inputs
     5. Cards + data table
     6. Section-specific styles (home, teams, players, leaders, compare, favorites)
     7. Utility + responsive
   ================================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Colors: dark navy analytics theme */
  --bg:            #0a0e1a;
  --bg-elev-1:    #111827;
  --bg-elev-2:    #141b2e;
  --bg-elev-3:    #1a2238;
  --border:       #1f2937;
  --border-hi:    #2a3752;
  --text:         #e5e7eb;
  --text-dim:     #9ca3af;
  --text-muted:   #6b7280;

  --accent:       #f97316;   /* primary action / brand */
  --accent-hot:   #fb923c;
  --accent-soft:  rgba(249, 115, 22, 0.12);

  --blue:         #3b82f6;
  --green:        #10b981;
  --red:          #ef4444;
  --yellow:       #facc15;

  /* Typography scale */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Spacing / radius / shadow */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow:    0 4px 16px rgba(0,0,0,.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.45);

  --container: 1200px;
}

/* ---------- 2. Base / reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(59,130,246,.08), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(249,115,22,.06), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }

p  { margin: 0 0 1em; }
a  { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

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

::selection { background: var(--accent); color: #0a0e1a; }

/* Accessibility helpers */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #0a0e1a;
  padding: 8px 12px;
  z-index: 1000;
  font-weight: 700;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.hidden { display: none !important; }

.muted { color: var(--text-dim); }
.small { font-size: .85rem; }
.accent { color: var(--accent); }

/* ---------- 3. Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
}

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px; padding-bottom: 14px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand:hover { color: var(--text); }
.brand-logo {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
  color: #0a0e1a;
  font-weight: 800; font-size: 14px; letter-spacing: .5px;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(249,115,22,.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 1.05rem; letter-spacing: .2px; }
.brand-tag  { font-size: .75rem; color: var(--text-dim); letter-spacing: .12em; text-transform: uppercase; }

.primary-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex-wrap: wrap; }
.primary-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: .95rem;
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}
.primary-nav a:hover { background: var(--bg-elev-2); color: var(--text); }
.primary-nav a.active {
  color: var(--text);
  background: var(--bg-elev-3);
  box-shadow: inset 0 0 0 1px var(--border-hi);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px; height: 40px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px;
}

/* ---- Sport picker (header dropdown) ---- */
.sport-picker {
  display: inline-flex; align-items: center;
  margin-left: 4px;
}
.sport-picker select {
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  background-image:
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1)),
    linear-gradient(45deg, transparent 50%, var(--text-dim) 50%),
    linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);
  background-position: 0 0, calc(100% - 14px) 50%, calc(100% - 9px) 50%;
  background-size: auto, 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  border: 1px solid var(--border-hi);
  color: var(--text);
  font: inherit; font-weight: 700; letter-spacing: .02em;
  padding: 8px 30px 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.sport-picker select:hover { border-color: var(--accent); }
.sport-picker select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---- Sport chips (per-sport pills used next to names) ---- */
.sport-chip {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  border-radius: 999px;
  border: 1px solid var(--border-hi);
  background: var(--bg-elev-2);
  color: var(--text-dim);
  vertical-align: middle;
  line-height: 1.2;
  text-transform: uppercase;
}
.sport-chip.sport-nba { color: #fb923c; border-color: rgba(249,115,22,.35); background: rgba(249,115,22,.10); }
.sport-chip.sport-nfl { color: #60a5fa; border-color: rgba(59,130,246,.35); background: rgba(59,130,246,.10); }
.sport-chip.sport-mlb { color: #34d399; border-color: rgba(16,185,129,.35); background: rgba(16,185,129,.10); }
.sport-chip.sport-nhl { color: #f472b6; border-color: rgba(236,72,153,.35); background: rgba(236,72,153,.10); }
.sport-chip.sport-epl { color: #facc15; border-color: rgba(250,204,21,.35); background: rgba(250,204,21,.10); }

/* ---- Footer ---- */
.site-footer {
  margin-top: 64px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: rgba(10, 14, 26, 0.6);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  flex-wrap: wrap;
}

/* ---------- 4. Buttons, forms, inputs ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  font: inherit; font-weight: 600;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ea580c);
  color: #0a0e1a;
  box-shadow: 0 4px 16px rgba(249,115,22,.28);
}
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hi); background: var(--bg-elev-2); }
.btn-sm { padding: 6px 10px; font-size: .85rem; }

input[type="search"],
input[type="text"],
input[type="number"],
select {
  background: var(--bg-elev-1);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  min-height: 40px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
  min-width: 0;
}
input[type="search"]:focus,
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--bg-elev-2);
}
input::placeholder { color: var(--text-muted); }
select { appearance: none; -webkit-appearance: none; padding-right: 32px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-dim) 50%),
    linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);
  background-position: calc(100% - 16px) 17px, calc(100% - 11px) 17px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

/* favorite (star) button */
.fav-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-weight: 600;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.fav-btn:hover { color: var(--yellow); border-color: var(--border-hi); }
.fav-btn[aria-pressed="true"] { color: var(--yellow); border-color: var(--yellow); background: rgba(250, 204, 21, 0.08); }

/* ---------- 5. Cards + data table ---------- */
.card {
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: var(--border-hi); }
.card-title {
  font-size: .8rem;
  color: var(--text-dim);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

/* Reusable stats card component */
.stat-card {
  display: flex; flex-direction: column;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  gap: 4px;
  position: relative;
  transition: border-color .15s ease, transform .15s ease;
}
.stat-card:hover { border-color: var(--border-hi); transform: translateY(-1px); }
.stat-card .stat-label {
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}
.stat-card .stat-sub { font-size: .8rem; color: var(--text-dim); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

/* ---- Data table ---- */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  background: var(--bg-elev-1);
  box-shadow: var(--shadow-sm);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}
.data-table thead th {
  text-align: left;
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky; top: 0;
}
.data-table.sortable thead th[data-key] {
  cursor: pointer;
  user-select: none;
}
.data-table.sortable thead th[data-key]:hover { color: var(--text); }
.data-table.sortable thead th[data-sort="asc"]::after  { content: " ▲"; color: var(--accent); }
.data-table.sortable thead th[data-sort="desc"]::after { content: " ▼"; color: var(--accent); }
.data-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background .12s ease; }
.data-table tbody tr:hover { background: var(--bg-elev-2); }
.data-table tbody tr[role="button"] { cursor: pointer; }

.data-table .num  { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }
.data-table .rank { color: var(--text-muted); font-family: var(--font-mono); width: 36px; }
.data-table .team-cell { font-weight: 600; }
.data-table .team-chip {
  display: inline-block; margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-elev-3);
  color: var(--text-dim);
  font-size: .7rem;
  letter-spacing: .08em;
}

/* ---------- 6. Section styles ---------- */

/* Home / hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: center;
  padding: 40px 0 24px;
}
.hero .eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .72rem;
  margin: 0 0 12px;
}
.hero h1 { margin-bottom: 12px; }
.hero .lede { color: var(--text-dim); max-width: 60ch; }

.global-search {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 8px;
  max-width: 640px;
}
.global-search input[type="search"] { height: 48px; padding: 12px 16px; }
.search-results {
  position: absolute; top: 54px; left: 0; right: 0;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: 340px;
  overflow: auto;
  margin: 0; padding: 4px;
  list-style: none;
  z-index: 20;
  display: none;
}
.search-results.open { display: block; }
.search-results li {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.search-results li:hover,
.search-results li[aria-selected="true"] { background: var(--bg-elev-3); }
.search-results .result-kind { color: var(--text-dim); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }

.hero-card { padding: 24px; }
.quick-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.quick-stat { background: var(--bg-elev-1); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.quick-stat-value { display: block; font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700; color: var(--accent); }
.quick-stat-label { color: var(--text-dim); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0 8px;
}
.quick-link {
  display: flex; flex-direction: column; gap: 6px;
  color: var(--text);
}
.quick-link h3 { margin: 0; }
.quick-link p  { color: var(--text-dim); margin: 0; font-size: .95rem; }
.quick-link-cta { margin-top: 10px; color: var(--accent); font-weight: 600; font-size: .9rem; }
.quick-link:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--border-hi); }

/* Recent games */
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 16px;
  flex-wrap: wrap;
  margin: 32px 0 16px;
}
.section-head .controls {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.game-card {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.game-card .game-meta { color: var(--text-dim); font-size: .75rem; display: flex; justify-content: space-between; }
.game-card .row { display: flex; justify-content: space-between; align-items: center; }
.game-card .row .team { font-weight: 600; }
.game-card .row.winner .team { color: var(--green); }
.game-card .score {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* Team detail */
.team-detail {
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.team-detail .detail-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.team-detail .team-badge {
  display: inline-flex; align-items: center; gap: 14px;
}
.team-detail .team-mark {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800; color: #0a0e1a;
}
.team-detail h2 { margin: 0; }
.team-detail .meta { color: var(--text-dim); font-size: .9rem; }
.team-detail .stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

/* Player detail */
.player-detail {
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.player-detail .detail-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.player-detail .player-id {
  display: flex; gap: 16px; align-items: center;
}
.player-detail .avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  color: #0a0e1a;
  font-weight: 800;
  display: grid; place-items: center;
  font-size: 1.1rem;
}
.player-detail .meta { color: var(--text-dim); font-size: .9rem; }
.player-detail .stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

/* Leaders */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.leader-card { padding: 18px; }
.leader-card h3 { margin: 0 0 10px; font-size: 1rem; color: var(--accent); letter-spacing: .04em; text-transform: uppercase; }
.leader-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.leader-row {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  align-items: center;
  cursor: pointer;
  transition: background .12s ease;
}
.leader-row:hover { background: var(--bg-elev-3); }
.leader-row .rank { color: var(--text-muted); font-family: var(--font-mono); }
.leader-row .name { font-weight: 600; }
.leader-row .team { color: var(--text-dim); font-size: .8rem; }
.leader-row .val { font-family: var(--font-mono); font-weight: 700; color: var(--accent); }

/* Compare */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.compare-slot label { display: block; color: var(--text-dim); font-size: .8rem; margin-bottom: 6px; letter-spacing: .1em; text-transform: uppercase; }
.compare-slot select { width: 100%; }
.compare-card { margin-top: 16px; }
.compare-card .player-id { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.compare-card .avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  color: #0a0e1a;
  font-weight: 800;
  display: grid; place-items: center;
  font-size: .95rem;
}
.compare-card .meta { color: var(--text-dim); font-size: .85rem; }

.compare-table .better { color: var(--green); font-weight: 700; }
.compare-table .worse  { color: var(--text-muted); }
.compare-table .tied   { color: var(--text-dim); }

/* Favorites */
.favorites-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.favorites-grid .subhead {
  font-size: .85rem; color: var(--text-dim);
  letter-spacing: .14em; text-transform: uppercase;
  margin: 0 0 10px;
}
.fav-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px; cursor: pointer;
}
.fav-card:hover { transform: translateY(-1px); }

/* ---------- 7. Utility + Responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .favorites-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-elev-1);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
  }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 2px; }
  .primary-nav a { display: block; padding: 10px 12px; }
  .nav-toggle { display: inline-block; }

  .quick-stats { grid-template-columns: repeat(3, 1fr); }
  .section-head { align-items: flex-start; }
  .section-head .controls { width: 100%; }
  .section-head .controls > * { flex: 1 1 auto; }
  .data-table { font-size: .88rem; }
  .data-table thead th,
  .data-table tbody td { padding: 10px 10px; }
}

@media (max-width: 480px) {
  .quick-links { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .brand-tag { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}