/* ── Design tokens ─────────────────────────────────────── */
:root {
  --bg-base: #0e1117;
  --bg-surface: #161b22;
  --bg-raised: #1c2333;
  --bg-hover: #232b3d;
  --border: #2a3346;
  --border-focus: #4f8ff7;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #4f8ff7;
  --accent-glow: rgba(79, 143, 247, 0.12);
  --accent-hover: #6ba3ff;
  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --numeric-color: lightyellow;
}

body.light-theme {
  --bg-base: #f6f8fa;
  --bg-surface: #ffffff;
  --bg-raised: #f0f3f6;
  --bg-hover: #eaeef2;
  --border: #d0d7de;
  --border-focus: #0969da;
  --text-primary: #24292f;
  --text-secondary: #57606a;
  --text-muted: #6e7781;
  --accent: #0969da;
  --accent-glow: rgba(9, 105, 218, 0.1);
  --accent-hover: #0550ae;
  --success: #1a7f37;
  --warning: #9a6700;
  --error: #cf222e;
  --shadow: 0 4px 20px rgba(140, 149, 159, 0.15);
  --numeric-color: #7f5d15;
}

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

html {
  font-size: 15px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

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

/* ── Animated background mesh ─────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(79, 143, 247, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(63, 185, 80, 0.06), transparent 60%);
  pointer-events: none;
}

body.light-theme::before {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(9, 105, 218, 0.05), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(26, 127, 55, 0.04), transparent 60%);
}

/* ── Layout ────────────────────────────────────────────── */
.app {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Header ────────────────────────────────────────────── */
.header {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header p {
  color: var(--text-secondary);
  margin-top: 0.4rem;
  font-size: 0.93rem;
}

/* ── Demo button ──────────────────────────────────────── */
#demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.8rem;
  padding: 0.4rem 1rem;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

#demo-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

#demo-btn:active {
  transform: translateY(0);
}

/* ── Demo video dialog ────────────────────────────────── */
#demo-dialog {
  border: none;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  padding: 0;
  width: min(90vw, 860px);
  max-height: 90vh;
  overflow: hidden;

  /* Exit state */
  opacity: 0;
  transform: scale(0.92) translateY(12px);

  transition-property: opacity, transform, display, overlay;
  transition-duration: 0.3s;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-behavior: allow-discrete;
}

#demo-dialog[open] {
  opacity: 1;
  transform: scale(1) translateY(0);

  @starting-style {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
  }
}

#demo-dialog::backdrop {
  background: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px);
  transition:
    background 0.3s ease-out,
    backdrop-filter 0.3s ease-out,
    display 0.3s allow-discrete,
    overlay 0.3s allow-discrete;
}

#demo-dialog[open]::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);

  @starting-style {
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
  }
}

.demo-dialog-inner {
  display: flex;
  flex-direction: column;
}

.demo-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
}

.demo-dialog-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#demo-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 1.3rem;
  line-height: 1;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

#demo-close-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border);
  color: var(--text-primary);
}

.demo-video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  background: #000;
}

.demo-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  #demo-dialog {
    transform: none;
    transition-duration: 0.1s;
  }

  #demo-dialog[open] {
    transform: none;
  }

  @starting-style {
    #demo-dialog[open] {
      transform: none;
    }
  }
}

/* ── Theme toggle ──────────────────────────────────────── */
.theme-toggle-wrap {
  position: absolute;
  top: 0;
  right: 0;
}

#theme-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  outline: none;
}

#theme-toggle:hover {
  background: var(--bg-hover);
  transform: scale(1.05);
}

#theme-toggle .sun-icon {
  display: none;
}

#theme-toggle .moon-icon {
  display: block;
  font-size: 1.2rem;
}

body.light-theme #theme-toggle .sun-icon {
  display: block;
  font-size: 1.2rem;
}

body.light-theme #theme-toggle .moon-icon {
  display: none;
}

/* ── URL / Preset bar ──────────────────────────────────── */
.url-bar-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.url-bar-container label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.url-input-group {
  display: flex;
  gap: 0.6rem;
}

.url-input-field {
  position: relative;
  flex: 1;
  min-width: 0;
}

.preset-wrapper select,
.url-input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.88rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.preset-wrapper select:focus,
.url-input-group input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#url-input {
  padding-right: 2.4rem;
}

#url-clear-btn {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

#url-clear-btn.visible {
  display: flex;
}

#url-clear-btn:hover {
  background: var(--border);
  color: var(--text-primary);
  transform: translateY(-50%);
  box-shadow: none;
}

.url-input-group button {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition);
}

.url-input-group button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(79, 143, 247, 0.3);
}

.url-input-group button:active {
  transform: translateY(0);
}

.url-input-group button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.payload-details {
  margin-top: 0.8rem;
}

.payload-details summary {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  display: inline-block;
  transition: color var(--transition);
}

.payload-details summary:hover {
  color: var(--text-primary);
}

.payload-details textarea {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.75rem;
  font-family: monospace;
  font-size: 0.82rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  resize: vertical;
  min-height: 100px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.payload-details textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── View Mode Bar ─────────────────────────────────────── */
.view-mode-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.35s ease-out;
  transition: background var(--transition), border-color var(--transition);
}

.view-mode-toggle {
  display: flex;
  background: var(--bg-raised);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.mode-btn {
  padding: 0.4rem 1rem;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.mode-btn.active {
  background: var(--bg-surface);
  color: var(--accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

body.light-theme .mode-btn.active {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.pivot-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pivot-select-wrap label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.pivot-select {
  padding: 0.35rem 0.6rem;
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.pivot-select:focus {
  border-color: var(--border-focus);
}

/* ── Dataset selector ──────────────────────────────────── */
#dataset-selector-container {
  margin-bottom: 1.5rem;
}

.dataset-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.35s ease-out;
}

.selector-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

.dataset-select {
  flex: 1;
  padding: 0.4rem 0.6rem;
  font-family: inherit;
  font-size: 0.84rem;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.dataset-select:focus {
  border-color: var(--border-focus);
}

/* ── Status / toast ────────────────────────────────────── */
.status {
  text-align: center;
  padding: 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.status.error {
  color: var(--error);
}

.status.success {
  color: var(--success);
}

/* ── Spinner ────────────────────────────────────────────── */
.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Metadata panel ────────────────────────────────────── */
.meta-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.4s ease-out;
  transition: background var(--transition), border-color var(--transition);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.meta-panel h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.meta-panel h2 .badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  background: var(--accent-glow);
  color: var(--accent);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.meta-item {
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  transition: background var(--transition);
}

.meta-item dt {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.meta-item dd {
  font-size: 0.88rem;
  color: var(--text-primary);
  word-break: break-word;
}

/* ── Dimensions chips ──────────────────────────────────── */
.dim-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.dim-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3em 0.7em;
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 999px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.dim-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dim-chip .count {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
}

/* ── Collection panel ──────────────────────────────────── */
.collection-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.4s ease-out;
  transition: background var(--transition), border-color var(--transition);
}

.collection-header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.collection-header h2 {
  font-size: 1.3rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.collection-header h2 .badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.15);
  color: #a78bfa;
}

.collection-meta {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.collection-meta code {
  background: var(--bg-raised);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 1rem;
}

.collection-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.collection-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow);
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card-badge {
  align-self: flex-start;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1em 0.5em;
  border-radius: 4px;
  background: var(--border);
  color: var(--text-secondary);
}

.card-badge.dataset {
  background: var(--accent-glow);
  color: var(--accent);
}

.card-badge.collection {
  background: rgba(167, 139, 250, 0.12);
  color: #a78bfa;
}

.card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.card-url {
  font-size: 0.72rem;
  color: var(--text-muted);
  word-break: break-all;
}

.card-btn {
  align-self: flex-end;
  padding: 0.4rem 1rem;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

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

/* ── Table controls ────────────────────────────────────── */
.table-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.table-controls .row-count {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.controls-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.constant-info-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  background: var(--bg-raised);
  padding: 0.4rem 0.8rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}

.toggles-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.constant-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.constant-chip {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  position: relative;
}

.constant-chip-dataset {
  background: var(--bg-raised);
  border: 1px solid var(--border);
}

.constant-chip-filtered {
  background: var(--bg-raised);
  border: 1px solid var(--accent);
  padding-right: 2rem;
}

.constant-chip-clear {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.1rem 0.3rem;
  font-size: 0.75rem;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}

.constant-chip-clear:hover {
  background: var(--accent);
  color: white;
}

.controls-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.table-controls .search-box {
  padding: 0.5rem 0.85rem;
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 220px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

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

.export-btn {
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.export-btn:hover {
  background: var(--bg-hover);
  border-color: var(--text-secondary);
}

/* ── Dimension Control Panel ───────────────────────────── */
.dim-control-panel {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.35s ease-out;
  transition: background var(--transition), border-color var(--transition);
}

.dim-control-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dim-name-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  width: 140px;
  flex-shrink: 0;
}

.dim-role-select {
  padding: 0.35rem 0.6rem;
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.dim-role-select:focus {
  border-color: var(--border-focus);
}

.dim-filter-wrapper {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.dim-filter-btn {
  width: 100%;
  text-align: left;
  padding: 0.45rem 0.8rem;
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.dim-filter-btn:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.dim-filter-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 10;
  max-height: 280px;
  overflow-y: auto;
  display: none;
  flex-direction: column;
}

.dim-filter-dropdown.open {
  display: flex;
}

.dim-filter-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
  user-select: none;
}

.dim-filter-option:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dim-filter-option input {
  accent-color: var(--accent);
  cursor: pointer;
}

.dim-filter-actions {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0.8rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 2;
}

.dim-filter-action-btn {
  font-size: 0.75rem;
  font-family: inherit;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}

.dim-filter-action-btn:hover {
  text-decoration: underline;
}

/* ── Data table ────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  animation: slideUp 0.45s ease-out;
  transition: border-color var(--transition);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

th {
  background: var(--bg-raised);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.8rem 1rem;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  border-bottom: 2px solid var(--border);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

th:hover {
  color: var(--accent-hover);
  background: var(--bg-hover);
}

th .sort-arrow {
  display: inline-block;
  margin-left: 0.3em;
  opacity: 0.35;
  transition: opacity var(--transition);
  font-size: 0.7em;
}

th.sorted-asc .sort-arrow,
th.sorted-desc .sort-arrow {
  opacity: 1;
  color: var(--accent);
}

td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition);
}

tr:hover td {
  background: var(--bg-hover);
}

th.numeric,
td.numeric {
  text-align: right;
}

td.numeric {
  font-variant-numeric: tabular-nums;
  color: var(--numeric-color);
}

td.null-value {
  color: var(--text-muted);
  font-style: italic;
}

/* ── Pagination ────────────────────────────────────────── */
.pagination-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
  animation: slideUp 0.3s ease-out;
}

.pag-btn {
  padding: 0.45rem 1rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), opacity var(--transition);
}

.pag-btn:hover:not(:disabled) {
  background: var(--bg-hover);
}

.pag-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pag-info {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.pag-size-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
}

.pag-size-wrapper label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pag-select {
  padding: 0.3rem 0.5rem;
  font-family: inherit;
  font-size: 0.8rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 640px) {
  .app {
    padding: 1.2rem 0.8rem 3rem;
  }

  .header h1 {
    font-size: 1.5rem;
  }

  .url-bar-container {
    grid-template-columns: 1fr;
  }

  .view-mode-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .view-mode-toggle {
    justify-content: center;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .controls-left {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }

  .controls-right {
    flex-direction: column;
    align-items: stretch;
  }

  .table-controls .search-box {
    min-width: auto;
  }

  .pag-size-wrapper {
    margin-left: 0;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .theme-toggle-wrap {
    top: 0.2rem;
    right: 0.2rem;
  }

  .dim-control-panel {
    padding: 0.8rem;
  }

  .dim-control-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .dim-name-label {
    width: auto;
  }

  .dim-filter-wrapper {
    min-width: 0;
  }

  .constant-info-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .url-input-group {
    flex-direction: column;
  }

  .url-input-group button {
    width: 100%;
  }
}