/* ============ Palette (light default) ============ */
:root {
  color-scheme: light;

  --surface-1: #fcfcfb;
  --surface-2: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);

  --series-blue: #2a78d6;
  --series-orange: #eb6834;
  --series-aqua: #1baf7a;

  --delta-good: #006300;
  --delta-bad: #d03b3b;
  --status-warning: #fab219;
  --status-critical: #d03b3b;

  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --surface-2: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.1);

    --series-blue: #3987e5;
    --series-orange: #d95926;
    --series-aqua: #199e70;

    --delta-good: #0ca30c;
    --delta-bad: #e66767;
    --status-warning: #fab219;
    --status-critical: #d03b3b;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --surface-2: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.1);

  --series-blue: #3987e5;
  --series-orange: #d95926;
  --series-aqua: #199e70;

  --delta-good: #0ca30c;
  --delta-bad: #e66767;
}

/* ============ Base ============ */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--text-primary);
}

h1, h2, h3 { font-weight: 600; margin: 0 0 12px; }
h3 { font-size: 0.95rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.02em; }

/* ============ Header / Nav ============ */
.app-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header__title {
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
}
.app-header__mark { color: var(--series-blue); }

.tabs { display: flex; gap: 4px; flex: 1; }

.tab {
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
}
.tab:hover { background: var(--surface-2); }
.tab.active { background: var(--series-blue); color: #fff; }

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
}

/* ============ Layout ============ */
.app-main { max-width: 1100px; margin: 0 auto; padding: 20px; }

.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}

/* ============ Forms ============ */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field--checkbox { flex-direction: row; align-items: center; gap: 8px; }

label { font-size: 0.85rem; color: var(--text-secondary); }

input[type="number"], input[type="search"], input[type="text"] {
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 8px 10px;
  border: 1px solid var(--baseline);
  border-radius: 8px;
  background: var(--surface-1);
  color: var(--text-primary);
}

.risk-params { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.risk-params[hidden] { display: none; }
.risk-params label { margin: 0; }
.risk-params input { width: 90px; }

.btn {
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--baseline);
  background: var(--surface-1);
  color: var(--text-primary);
  cursor: pointer;
}
.btn--primary { background: var(--series-blue); border-color: var(--series-blue); color: #fff; }
.btn:hover { opacity: 0.9; }

.status { min-height: 1.2em; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 8px; }
.status.error { color: var(--delta-bad); }

/* ============ Stat tile / KPI row ============ */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-tile__label { font-size: 0.8rem; color: var(--text-secondary); }
.stat-tile__value { font-size: 1.6rem; font-weight: 600; margin-top: 2px; }
.stat-tile__delta { font-size: 0.85rem; margin-top: 4px; }
.stat-tile__delta.good { color: var(--delta-good); }
.stat-tile__delta.bad { color: var(--delta-bad); }

/* ============ Squad grid ============ */
.squad-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.squad-position { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.squad-position h4 { margin: 0 0 8px; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; }
.squad-player { display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px solid var(--gridline); font-size: 0.9rem; }
.squad-player:first-of-type { border-top: none; }
.squad-player__name { color: var(--text-primary); }
.squad-player__meta { color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.captain-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--series-blue);
  color: #fff;
  vertical-align: middle;
}

.chip-values {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.optimizer-results h3 {
  margin: 20px 0 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.optimizer-results h3:first-of-type { margin-top: 0; }

/* ============ Player explorer ============ */
.explorer-search { position: relative; }
.search-results {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 220px;
  overflow-y: auto;
  background: var(--surface-1);
}
.search-results li {
  padding: 8px 10px;
  cursor: pointer;
  font-size: 0.9rem;
  border-top: 1px solid var(--gridline);
}
.search-results li:first-child { border-top: none; }
.search-results li:hover { background: var(--surface-2); }

.empty-state { color: var(--text-muted); font-size: 0.9rem; padding: 24px 0; text-align: center; }

.player-header { display: flex; justify-content: space-between; align-items: center; }
.player-header h2 { font-size: 1.3rem; }
.player-header__meta { color: var(--text-secondary); font-size: 0.9rem; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 680px) { .detail-grid { grid-template-columns: 1fr; } }

.similar-controls { display: flex; gap: 16px; margin-bottom: 10px; font-size: 0.85rem; }
.similar-controls label { display: flex; align-items: center; gap: 6px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th { text-align: left; color: var(--text-muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; padding: 4px 8px; border-bottom: 1px solid var(--gridline); }
.data-table td { padding: 6px 8px; border-bottom: 1px solid var(--gridline); font-variant-numeric: tabular-nums; }
.data-table tr:last-child td { border-bottom: none; }

/* ============ Sparkline ============ */
.sparkline { display: block; }
.sparkline path.fill { fill: var(--series-blue); opacity: 0.1; }
.sparkline path.line { fill: none; stroke: var(--series-blue); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sparkline circle { fill: var(--series-blue); stroke: var(--surface-1); stroke-width: 2; }

/* ============ Ticker ============ */
.ticker-controls { display: flex; align-items: center; gap: 10px; }
.ticker-controls input { width: 80px; }

.ticker-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.ticker-card {
  flex: 0 0 200px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.ticker-card__name { font-weight: 600; font-size: 0.95rem; }
.ticker-card__row { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }
.ticker-card__row .good { color: var(--delta-good); }
.ticker-card__row .bad { color: var(--delta-bad); }

/* ============ Risk badge ============ */
.risk-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}
.risk-badge.low { background: color-mix(in srgb, var(--delta-good) 15%, transparent); color: var(--delta-good); }
.risk-badge.medium { background: color-mix(in srgb, var(--status-warning) 20%, transparent); color: #a06600; }
.risk-badge.high { background: color-mix(in srgb, var(--status-critical) 15%, transparent); color: var(--status-critical); }