:root {
  color-scheme: light;
  --font-family-base: "Inter", "HarmonyOS Sans", "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --color-bg: #f8f9fb;
  --color-panel: #ffffff;
  --color-border: #dbe1eb;
  --color-accent: #335dff;
  --color-text: #1f2937;
  --color-muted: #61708a;
  --shadow-soft: 0 6px 24px rgba(15, 23, 42, 0.05);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100%;
}

body {
  line-height: 1.6;
}

.page-header {
  padding: 32px 24px 16px;
  text-align: center;
  position: relative;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
}

.subtitle {
  margin: 12px auto 0;
  max-width: 640px;
  color: var(--color-muted);
  font-size: 16px;
}

.locale-switcher {
  position: absolute;
  top: 20px;
  right: 24px;
}

.locale-button {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background-color: var(--color-panel);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.locale-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.locale-button:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(51, 93, 255, 0.2);
}

.locale-button:active {
  background-color: rgba(51, 93, 255, 0.08);
}

main {
  padding: 0 24px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 200px;
}

.control label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
}

.control select,
.control input[type="search"] {
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-panel);
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.control select:focus,
.control input[type="search"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(51, 93, 255, 0.15);
}

.control select:disabled,
.control input[type="search"]:disabled {
  background-color: #edf1f7;
  cursor: not-allowed;
}

.dataset-meta {
  margin-bottom: 16px;
  padding: 16px 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  display: none;
}

.dataset-meta.active {
  display: block;
}

.dataset-meta strong {
  font-weight: 600;
}

.dataset-meta span {
  margin-right: 18px;
  color: var(--color-muted);
}

.table-wrapper {
  position: relative;
}

.table-container {
  background: var(--color-panel);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.table-container table {
  width: 100%;
  border-collapse: collapse;
}

.table-container thead {
  background: #eef2ff;
}

.table-container th,
.table-container td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.table-container th {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  position: relative;
}

.table-container th .sort-indicator {
  margin-left: 8px;
  font-size: 12px;
  color: var(--color-muted);
}

.table-container tbody tr:nth-child(even) {
  background-color: #f7f9ff;
}

.table-container tbody tr:hover {
  background-color: rgba(51, 93, 255, 0.08);
}

.table-container td.think-model {
  font-weight: 600;
  color: var(--color-accent);
}

.think-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background-color: rgba(51, 93, 255, 0.12);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}

.placeholder {
  padding: 48px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 15px;
}

.page-footer {
  padding: 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 13px;
}

@media (max-width: 768px) {
  .controls {
    flex-direction: column;
  }

  .control {
    width: 100%;
  }

  .table-container {
    overflow-x: auto;
  }

  .table-container table {
    min-width: 720px;
  }
}