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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #111;
  background: #f8f9fa;
  min-width: 320px;
}

/* ── Header ── */
header {
  padding: 20px 32px;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

header h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
}

header h1 span { color: #6366f1; }

header p {
  color: #6b7280;
  font-size: 13px;
}

/* ── Main layout ── */
main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 32px 48px;
}

/* ── Toolbar ── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

#provider-filters { display: flex; gap: 6px; flex-wrap: wrap; }

.filter-btn {
  padding: 3px 11px;
  border: 1px solid #d1d5db;
  border-radius: 9999px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: #374151;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}

.filter-btn:hover { border-color: #6366f1; color: #6366f1; }
.filter-btn.active { background: #6366f1; border-color: #6366f1; color: #fff; }

.sort-hint { font-size: 11px; color: #9ca3af; margin-left: auto; }

.bench-toolbar { margin-top: 6px; margin-bottom: 0; }
.toolbar-label { font-size: 11px; font-weight: 600; color: #9ca3af; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; }

/* ── Table ── */
.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  padding: 9px 13px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

thead th:hover { color: #111; }
thead th.sort-asc::after  { content: " ↑"; color: #6366f1; }
thead th.sort-desc::after { content: " ↓"; color: #6366f1; }

tbody tr { border-bottom: 1px solid #f3f4f6; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #fafafa; }

td { padding: 9px 13px; white-space: nowrap; }

td.model-name { font-weight: 600; }
td.provider   { font-size: 12px; }
td.price      { font-family: ui-monospace, "Cascadia Code", monospace; }
td.context    { font-family: ui-monospace, "Cascadia Code", monospace; color: #6b7280; }

td.score {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-weight: 600;
  font-size: 12px;
  text-align: right;
}

td.score.null-score { color: #c0c4cc; font-weight: 400; }

/* score tiers — single green scale, darker = stronger */
td.tier-s  { background: #065f46; color: #ecfdf5; }   /* 90%+ */
td.tier-a  { background: #059669; color: #fff; }       /* 80–89% */
td.tier-b  { background: #6ee7b7; color: #064e3b; }   /* 70–79% */
td.tier-c  { background: #d1fae5; color: #065f46; }   /* <70% */

/* ── Chart ── */
.chart-section {
  margin-top: 28px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px 24px 24px;
}

.chart-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.chart-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

.chart-header select {
  padding: 3px 8px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 12px;
  background: #fff;
  color: #111;
  cursor: pointer;
}

.log-btn {
  padding: 3px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #fff;
  font-size: 12px;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
  margin-left: auto;
}

.log-btn:hover    { border-color: #059669; color: #059669; }
.log-btn.active   { background: #059669; border-color: #059669; color: #fff; }

/* ── Footer ── */
footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
  font-size: 11px;
  color: #9ca3af;
}

footer a { color: #6366f1; text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 640px) {
  header, main { padding-left: 16px; padding-right: 16px; }
  .sort-hint { display: none; }
}