/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #242836;
  --border: #2a2e3d;
  --text: #e4e6ed;
  --text-muted: #8b8fa3;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);

  /* Score colors */
  --score-3: #34d399;
  --score-3-bg: rgba(52, 211, 153, 0.12);
  --score-2: #60a5fa;
  --score-2-bg: rgba(96, 165, 250, 0.12);
  --score-1: #93c5fd;
  --score-1-bg: rgba(147, 197, 253, 0.12);
  --score-0: #fb923c;
  --score-0-bg: rgba(251, 146, 60, 0.12);
  --score-fail: #f87171;
  --score-fail-bg: rgba(248, 113, 113, 0.12);

  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== Layout ===== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ===== Header ===== */
header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

header h1 span {
  color: var(--accent);
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

#subtitleText strong {
  color: var(--accent);
}

#subtitleText p {
  margin-bottom: 0.5em;
}

#subtitleText p:last-child {
  margin-bottom: 0;
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1.2rem;
  flex: 1;
  min-width: 120px;
  text-align: center;
  transition: border-color var(--transition);
}

.stat-card[data-filter] {
  cursor: pointer;
}

.stat-card[data-filter]:hover {
  border-color: var(--accent);
}

.stat-card:not([data-filter]):hover {
  border-color: var(--accent);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

/* ===== Controls ===== */
.controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box svg {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-btn.active[data-filter="3"] {
  background: var(--score-3);
  border-color: var(--score-3);
  color: #000;
}

.filter-btn.active[data-filter="2"] {
  background: var(--score-2);
  border-color: var(--score-2);
  color: #000;
}

.filter-btn.active[data-filter="1"] {
  background: var(--score-1);
  border-color: var(--score-1);
  color: #000;
}

.filter-btn.active[data-filter="0"] {
  background: var(--score-0);
  border-color: var(--score-0);
  color: #000;
}

.filter-btn.active[data-filter="fail"] {
  background: var(--score-fail);
  border-color: var(--score-fail);
  color: #000;
}

.text-empty {
  color: var(--text-muted);
  opacity: 0.4;
}

/* ===== Results ===== */
.results-info {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.result-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.result-row:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.result-model {
  font-weight: 600;
  font-size: 0.9rem;
}

.result-model .result-notes {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-left: 0.3em;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
}

.result-details {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.result-test {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

.result-notes {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Score Badge */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.score-badge.score-3 {
  background: var(--score-3-bg);
  color: var(--score-3);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.score-badge.score-2 {
  background: var(--score-2-bg);
  color: var(--score-2);
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.score-badge.score-1 {
  background: var(--score-1-bg);
  color: var(--score-1);
  border: 1px solid rgba(147, 197, 253, 0.3);
}

.score-badge.score-0 {
  background: var(--score-0-bg);
  color: var(--score-0);
  border: 1px solid rgba(251, 146, 60, 0.3);
}

.score-badge.score-fail {
  background: var(--score-fail-bg);
  color: var(--score-fail);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state p {
  font-size: 0.95rem;
}

/* ===== Loading ===== */
.loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.loading .spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Error ===== */
.error-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--score-fail);
}

.error-state p {
  margin-bottom: 0.5rem;
}

.error-state code {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }

  header h1 {
    font-size: 1.4rem;
  }

  .stats-bar {
    gap: 0.5rem;
  }

  .stat-card {
    min-width: 80px;
    padding: 0.6rem 0.8rem;
  }

  .stat-value {
    font-size: 1.2rem;
  }

  .result-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .result-model {
    font-size: 0.85rem;
  }

  .controls {
    flex-direction: column;
  }

  .search-box {
    width: 100%;
  }
}