:root {
  --sidebar-width: 220px;
  --nav-height: 48px;
}

[data-theme="dark"] {
  --bg-deep: #0d0d0d;
  --bg-panel: #1a1a1a;
  --bg-surface: #242424;
  --accent: #c8102e;
  --accent-dim: rgba(200, 16, 46, 0.15);
  --accent-hover-bg: rgba(200, 16, 46, 0.28);
  --accent-blue: #002d72;
  --text: #e8e8e8;
  --text-dim: #999999;
  --border: #333333;
  --overlay-bg: rgba(0, 0, 0, 0.85);
  --nav-bg: #1a1a1a;
  --nav-text: #e8e8e8;
  --dropdown-bg: #242424;
}

[data-theme="light"] {
  --bg-deep: #f0f0f0;
  --bg-panel: #ffffff;
  --bg-surface: #f5f5f5;
  --accent: #c8102e;
  --accent-dim: rgba(200, 16, 46, 0.1);
  --accent-hover-bg: rgba(200, 16, 46, 0.2);
  --accent-blue: #002d72;
  --text: #1a1a1a;
  --text-dim: #555555;
  --border: #dddddd;
  --overlay-bg: rgba(0, 0, 0, 0.7);
  --nav-bg: #c8102e;
  --nav-text: #ffffff;
  --dropdown-bg: #ffffff;
}

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

html,
body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 13px;
  overflow: hidden;
}

/* ── Drop Zone ─────────────────────────────────────── */

#drop-zone {
  position: fixed;
  top: var(--nav-height);
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
}

#drop-zone::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  transition: border-color 0.15s;
  pointer-events: none;
}

#drop-zone.dragover {
  background: var(--accent-dim);
}

#drop-zone.dragover::before {
  border-color: var(--accent);
}

.drop-icon {
  font-size: 48px;
  opacity: 0.4;
  line-height: 1;
}

.drop-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}

.drop-sub {
  font-size: 13px;
  color: var(--text-dim);
}

.drop-btn {
  margin-top: 8px;
  padding: 8px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background 0.15s;
}

.drop-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── Error / Warning Banners ─────────────────────────── */

.banner {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  padding: 10px 16px;
  font-size: 13px;
  z-index: 100;
  align-items: center;
  gap: 10px;
}

.banner.visible {
  display: flex;
}

.banner-error {
  background: rgba(248, 81, 73, 0.15);
  border-bottom: 1px solid #f85149;
  color: #ffa198;
}

.banner-warning {
  background: rgba(227, 179, 65, 0.1);
  border-bottom: 1px solid #e3b341;
  color: #e3b341;
}

.banner-close {
  margin-left: auto;
  cursor: pointer;
  font-size: 16px;
  opacity: 0.7;
  background: none;
  border: none;
  color: inherit;
  line-height: 1;
  padding: 0 4px;
}

.banner-close:hover {
  opacity: 1;
}

/* ── App Layout ──────────────────────────────────────── */

#app {
  display: none;
  flex-direction: column;
  height: calc(100vh - var(--nav-height));
  margin-top: var(--nav-height);
}

#app.visible {
  display: flex;
}

/* ── Header ──────────────────────────────────────────── */

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 44px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.header-accent {
  color: var(--accent);
}

header .spacer {
  flex: 1;
}

.btn-new {
  padding: 5px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s;
}

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

/* ── Metadata Panel ──────────────────────────────────── */

#metadata-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  padding: 8px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.meta-item {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-size: 12px;
}

.meta-label {
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.meta-value {
  color: var(--text);
  font-weight: 500;
}

/* ── Body Layout ─────────────────────────────────────── */

.body-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Channel Sidebar ─────────────────────────────────── */

#channel-panel {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.channel-panel-header {
  padding: 10px 12px 6px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  flex-shrink: 0;
}

.channel-filter-wrap {
  padding: 0 12px 8px;
  flex-shrink: 0;
}

#channel-filter {
  width: 100%;
  padding: 5px 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s;
}

#channel-filter::placeholder {
  color: var(--text-dim);
}

#channel-filter:focus {
  border-color: var(--accent);
}

.channel-actions {
  display: flex;
  gap: 6px;
  padding: 0 12px 8px;
  flex-shrink: 0;
}

.btn-small {
  padding: 3px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.btn-small:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

#channel-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 8px;
}

#channel-list::-webkit-scrollbar {
  width: 4px;
}
#channel-list::-webkit-scrollbar-track {
  background: transparent;
}
#channel-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 4px;
  margin: 0 4px;
  transition: background 0.1s;
}

.channel-item:hover {
  background: var(--bg-surface);
}

.channel-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.85;
}

.channel-item input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.channel-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.channel-name {
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-meta {
  font-size: 10px;
  color: var(--text-dim);
}

/* ── Chart Area ──────────────────────────────────────── */

#chart-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
}

#chart {
  flex: 1;
  min-height: 0;
}

/* ── X Axis Toolbar ──────────────────────────────────── */

#xaxis-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.xaxis-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.xaxis-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
}

.xaxis-btn {
  padding: 4px 12px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
}

.xaxis-btn + .xaxis-btn {
  border-left: 1px solid var(--border);
}

.xaxis-btn.active {
  background: var(--bg-surface);
  color: var(--accent);
}

.xaxis-btn:not(.active):hover {
  color: var(--text);
  background: var(--bg-surface);
}

#speed-source-wrap {
  display: none;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
}

#speed-source-wrap.visible {
  display: flex;
}

#speed-source-wrap label {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

#speed-channel-select {
  padding: 3px 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}

#speed-channel-select:focus {
  border-color: var(--accent);
}

.chart-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 13px;
  pointer-events: none;
}

/* ── Loading Overlay ─────────────────────────────────── */

#loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
  font-size: 14px;
  color: var(--text-dim);
}

#loading-overlay.visible {
  display: flex;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── Analysis button ─────────────────────────────────── */

.btn-analysis {
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 5px;
  color: var(--accent);
  font-size: 12px;
  cursor: pointer;
  margin-right: 6px;
  transition: background 0.15s;
}
.btn-analysis:hover {
  background: var(--accent-hover-bg);
}

/* ── Analysis overlay ────────────────────────────────── */

#analysis-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 200;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 16px;
}

.analysis-panel {
  width: min(980px, 96vw);
  max-height: 90vh;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Panel header ────────────────────────────────────── */

.analysis-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.analysis-title {
  font-size: 14px;
  font-weight: 600;
}

.analysis-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  transition:
    color 0.15s,
    background 0.15s;
}
.analysis-close:hover {
  color: var(--text);
  background: var(--bg-surface);
}

/* ── Two-column body ─────────────────────────────────── */

.analysis-body {
  display: flex;
  min-height: 0;
  overflow: hidden;
}

.analysis-col-left {
  width: 190px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.analysis-col-right {
  flex: 1;
  padding: 14px 16px;
  overflow-y: auto;
}

/* ── Section labels ──────────────────────────────────── */

.analysis-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

/* ── File list ───────────────────────────────────────── */

#analysis-file-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.analysis-file-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
}

.analysis-file-name {
  font-size: 11px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.analysis-file-pts {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 1px;
}

/* ── Analysis drop zone ──────────────────────────────── */

.analysis-drop-zone {
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--accent);
  transition:
    background 0.15s,
    border-color 0.15s;
  user-select: none;
}
.analysis-drop-zone:hover,
.analysis-drop-zone.dragover {
  background: var(--accent-dim);
  border-color: var(--accent);
}
.analysis-drop-sub {
  font-size: 10px;
  color: var(--text-dim);
}

.analysis-totals {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: 4px;
}

/* ── Mapping & filter grids ──────────────────────────── */

.analysis-mapping-grid,
.analysis-filter-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 7px 10px;
  align-items: center;
}

.analysis-mapping-grid label,
.analysis-filter-grid label {
  font-size: 12px;
  color: var(--text-dim);
}

.analysis-select {
  padding: 4px 6px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
.analysis-select:focus {
  border-color: var(--accent);
}

.analysis-filter-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-dim);
}
.analysis-filter-row input[type="number"] {
  width: 60px;
  padding: 3px 6px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  text-align: right;
  outline: none;
}
.analysis-filter-row input:focus {
  border-color: var(--accent);
}

/* ── Run button ──────────────────────────────────────── */

.btn-run-analysis {
  margin-top: 20px;
  padding: 8px 22px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-run-analysis:hover {
  background: var(--accent-hover-bg);
}

/* ── Results section ─────────────────────────────────── */

#analysis-results {
  border-top: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  max-height: 50vh;
}

.analysis-results-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 0;
}

.analysis-valid-pts {
  font-size: 11px;
  color: var(--text-dim);
}

.analysis-results-body {
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.analysis-wheel-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.analysis-wheel-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.analysis-wheel-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  min-width: 75px;
}

/* ── Suspension tabs ─────────────────────────────────── */

.analysis-susp-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.analysis-susp-tab {
  padding: 3px 9px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}
.analysis-susp-tab:hover {
  color: var(--text);
  border-color: var(--text-dim);
}
.analysis-susp-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── Heat maps ───────────────────────────────────────── */

.analysis-heatmap {
  width: 100%;
  height: 260px;
}

/* ── CSV / Apply buttons ─────────────────────────────── */

.btn-csv {
  padding: 4px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  margin-left: auto;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.btn-csv:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.analysis-apply-row {
  padding: 10px 16px 14px;
  border-top: 1px solid var(--border);
}

.btn-apply-corrections {
  padding: 8px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.btn-apply-corrections:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── Navigation Bar ──────────────────────────────────── */

.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: 1000;
  border-bottom: 3px solid var(--accent);
}

.nav-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--nav-text);
  letter-spacing: 0.05em;
  margin-right: 28px;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 3px;
  line-height: 1.1;
}

.nav-brand-logo {
  display: block;
  height: 13px;
  width: auto;
}

/* Light theme nav bar is red, so swap the red logo for the white version. */
.nav-brand-logo--white {
  display: none;
}
[data-theme="light"] .nav-brand-logo--red {
  display: none;
}
[data-theme="light"] .nav-brand-logo--white {
  display: block;
}

.nav-menu {
  display: flex;
  list-style: none;
  height: 100%;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s;
  gap: 5px;
}

.nav-link::after {
  content: "▾";
  font-size: 10px;
  opacity: 0.7;
}

.nav-item:hover > .nav-link {
  background: rgba(255, 255, 255, 0.15);
}

.nav-item.is-active-bike > .nav-link,
.nav-item.is-active > .nav-link {
  box-shadow: inset 0 -3px 0 var(--accent);
  font-weight: 700;
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 140px;
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 6px 6px;
  list-style: none;
  padding: 4px 0;
  z-index: 1001;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.nav-item:hover > .nav-dropdown {
  display: block;
}

.nav-dropdown li a {
  display: block;
  padding: 8px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition:
    background 0.1s,
    color 0.1s;
}

.nav-dropdown li a:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.theme-toggle {
  margin-left: auto;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  color: var(--nav-text);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  letter-spacing: 0.02em;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* ── Page Content (non-SPA pages) ────────────────────── */

.page-content {
  margin-top: var(--nav-height);
  padding: 28px 32px;
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  box-sizing: border-box;
}

.page-heading {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.page-heading span {
  color: var(--accent);
}

/* ── CSV Input ───────────────────────────────────────── */

.csv-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  max-width: 640px;
}

.csv-input-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.csv-paste-area {
  width: 100%;
  min-height: 100px;
  padding: 8px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: monospace;
  font-size: 12px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

.csv-paste-area::placeholder {
  color: var(--text-dim);
}

.csv-paste-area:focus {
  border-color: var(--accent);
}

.btn-load {
  align-self: flex-start;
  padding: 6px 18px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-load:hover {
  background: var(--accent-hover-bg);
}

/* ── Data Table ──────────────────────────────────────── */

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 12px;
}

.data-table {
  border-collapse: collapse;
  font-size: 12px;
  color: var(--text);
  min-width: max-content;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 6px 12px;
  white-space: nowrap;
}

.data-table thead th {
  background: var(--bg-surface);
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: center;
}

.data-table .corner-cell {
  color: var(--text-dim);
  font-size: 10px;
  text-align: center;
}

.data-table tbody th {
  background: var(--bg-surface);
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: right;
}

.data-table tbody td {
  background: var(--bg-panel);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table tbody tr:hover td {
  background: var(--accent-dim);
}

/* ── Paste Modal ─────────────────────────────────────── */

#paste-overlay,
.paste-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.paste-panel {
  width: min(560px, 96vw);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.paste-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.paste-body .csv-paste-area {
  min-height: 140px;
}

.paste-actions {
  display: flex;
  gap: 8px;
}

/* ── DataTable Header ────────────────────────────────── */

.datatable-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  padding: 6px 0 6px 10px;
  margin-bottom: 8px;
  border-left: 3px solid var(--accent);
  letter-spacing: 0.03em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.datatable-chevron {
  width: 16px;
  height: 16px;
  margin-right: 4px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.datatable-chevron::before {
  content: "▾";
  font-size: 14px;
  line-height: 1;
}

.datatable-container.is-collapsed .datatable-chevron {
  transform: rotate(-90deg);
}

.datatable-container.is-collapsed .table-wrapper,
.datatable-container.is-collapsed .table-toolbar {
  display: none;
}

.datatable-container.is-collapsed .datatable-header {
  margin-bottom: 0;
}

/* ── DataTable Container ─────────────────────────────── */

.datatable-container {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

/* ── Table Toolbar ───────────────────────────────────── */

.table-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.table-toolbar .btn-load,
.table-toolbar .btn-new {
  padding: 12px;
}

.dt-dp-label {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-size: 12px;
  color: var(--text-muted, #888);
}

.dt-dp-input {
  width: 42px;
  padding: 4px 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  text-align: center;
}

.table-empty-state {
  font-size: 13px;
  color: var(--text-dim);
  padding: 24px 0;
}

/* ── Breakpoint Modal ────────────────────────────────── */

.bp-current-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.bp-current-label {
  font-size: 12px;
  color: var(--text-dim);
  flex: 1;
}

.bp-copy-btn {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 11px;
}

.bp-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 32px;
  padding: 6px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.bp-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--accent-dim);
  border-radius: 3px;
  font-size: 12px;
  color: var(--text);
}

.bp-tag button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  font-size: 13px;
  line-height: 1;
}

.bp-tag button:hover {
  color: var(--accent);
}

.bp-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

.bp-manual-row {
  display: flex;
  gap: 8px;
}

.bp-manual-row input {
  flex: 1;
}

.bp-paste-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.bp-paste-row input[type="text"] {
  flex: 1;
  min-width: 0;
}

.bp-grid-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.bp-grid-row input[type="number"] {
  width: 80px;
}

.bp-grid-replace {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
}

/* ── Cell Selection ──────────────────────────────────── */

.dt-selected {
  background: var(--accent-dim) !important;
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

/* ── Page Tabs ───────────────────────────────────────── */

.page-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.page-tab {
  padding: 6px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}

.page-tab:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.page-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}