:root {
  --navbar-text-color: #f0f0f0;
  --navbar-list-item-hover: rgba(255, 255, 255, 0.2);
  --navbar-background-color: #111111;
  --navbar-background-color-hover: #202020;
  --navbar-button-text-color: #111111;
  --bg-body: #0a0f1e;
  --bg-surface: #0f1419;
  --bg-surface-soft: #0f1520;
  --bg-surface-alt: #0a0f1e;
  --bg-elevated: #141929;

  --border-subtle: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.35);

  --accent: rgb(177, 231, 79);
  --accent-soft: rgba(177, 231, 79, 0.18);
  --accent-soft-strong: rgba(177, 231, 79, 0.28);
  --accent-muted: rgba(177, 231, 79, 0.08);

  --text-primary: #f9fafb;
  --text-secondary: #cbd5f5;
  --text-muted: #9ca3af;
  --text-soft: #6b7280;
  --text-invert: #020617;

  --danger: #f97373;
  --danger-soft: rgba(248, 113, 113, 0.16);
  --success: #4ade80;
  --success-soft: rgba(74, 222, 128, 0.1);

  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;

  --card-bg: radial-gradient(circle at top left, rgba(177, 231, 79, 0.06), transparent 55%),
    linear-gradient(to bottom right, #0a0f1e, #0a0f1e 40%, #0f1419 100%);

  --panel-bg: rgb(15, 23, 42);

  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.65);

  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;

  --scrollbar-background-color: #111111;
  --scrollbar-thumb-color: #212121;
  --scrollbar-border-color: #111111;

  --dataset-key-column-width: 150px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top right, rgba(177, 231, 79, 0.06), transparent 55%),
    radial-gradient(circle at bottom left, #0f141f, #0a0f1a 65%);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
}

#app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Main layout */
.main {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 90rem;
  max-height: 100dvh;
  padding: 2.5rem 1.5rem 3rem;
  margin: 0 auto;
}

.main--full-screen {
  max-width: none;
  padding: 0;
  width: 100%;
  height: 100dvh;
}

.page-header {
  margin-bottom: 2rem;
}

.page-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.page-header h1 {
  margin: 0;
  font-size: 2.25rem;
  letter-spacing: -0.03em;
}

.page-header p {
  margin: 0.75rem 0 0;
  max-width: 42rem;
  color: var(--text-secondary);
}

/* Cards  */

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
  padding: 1.75rem 1.6rem;
}

.card--table {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.card-header p {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Loading and status */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-primary);
  opacity: 0.7;
}
.loading-status {
  display: none;
  margin-top: 20px;
  padding: 15px;
  background-color: rgba(249, 168, 37, 0.1);
  border: 1px solid rgba(249, 168, 37, 0.3);
  border-radius: 5px;
  color: #ffb74d;
}
.loading-status.show {
  display: block;
}
.error-message {
  color: #ef5350;
}

/* Table */
.table-wrapper {
  flex: 0 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.table-wrapper--dense {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.4);
}

.overflow-wrapper {
  overflow: auto;
}

table {
  width: 100%;
  font-size: 0.92rem;
  border-spacing: 0;
}

thead {
  position: sticky;
  top: 0;
}

th,
td {
  padding: 0.75rem 0.75rem;
  text-align: left;
  white-space: nowrap;
}

th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-soft);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--panel-bg);
}

th:first-child {
  border-top-left-radius: var(--radius-lg);
}

th:last-child {
  border-top-right-radius: var(--radius-lg);
}

th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: color 0.18s ease;
}

th.sortable:hover {
  color: var(--text-secondary);
}

th.sortable::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.4rem;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  opacity: 0.3;
}

th.sortable:not(.sorted-asc):not(.sorted-desc)::after {
  border-top: 5px solid currentColor;
}

th.sortable.sorted-asc::after {
  border-bottom: 5px solid currentColor;
  opacity: 0.9;
}

th.sortable.sorted-desc::after {
  border-top: 5px solid currentColor;
  opacity: 0.9;
}

tbody tr:nth-child(every) {
  /* noop, just to avoid accidental dense styling */
}

tbody tr {
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--accent-muted);
}

tbody tr.lb-row--baseline {
  background: linear-gradient(to right, rgba(147, 197, 253, 0.06), rgba(147, 197, 253, 0.03));
}

tbody tr.lb-row--baseline:hover {
  background: linear-gradient(to right, rgba(147, 197, 253, 0.12), rgba(147, 197, 253, 0.08));
}

.col-rank {
  width: 48px;
}

.col-actions {
  width: 100px;
}

/* Badges */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid;
}

.badge--success {
  background: rgba(74, 222, 128, 0.15);
  color: #86efac;
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.badge--warning {
  background: rgba(251, 191, 36, 0.15);
  color: #fcd34d;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge--danger {
  background: rgba(248, 113, 113, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.86rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease, transform 0.08s ease;
}

.btn-small {
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-invert);
  border-color: transparent;
  box-shadow: 0 0 0 1px rgba(17, 24, 39, 0.9), 0 10px 24px rgba(177, 231, 79, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(177, 231, 79, 0.5);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.95);
  color: var(--text-secondary);
  border-color: rgba(148, 163, 184, 0.45);
}

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

/* Controls bar */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 160px;
}

.control-group--grow {
  flex: 1 1 200px;
}

.control-group--compact {
  width: 180px;
}

.control-group label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
}

select {
  appearance: none;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.16), transparent 55%),
    rgba(15, 23, 42, 0.98);
  color: var(--text-primary);
  padding: 0.45rem 1rem;
  padding-right: 2rem;
  font-size: 0.9rem;
  line-height: 1.4;
  outline: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

select:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

/* Episode viewer header */
.header {
  color: var(--navbar-text-color);
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}
.header h1 {
  margin: 0;
  font-size: 24px;
  border-bottom: none;
  padding-bottom: 0;
}

.episode-path {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.episode-path-label {
  color: var(--text-primary);
  opacity: 0.75;
  font-size: 14px;
}
.episode-path-value {
  background-color: var(--navbar-list-item-hover);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 14px;
  color: var(--text-primary);
}
.episode-size {
  color: var(--text-primary);
  opacity: 0.7;
  font-size: 14px;
}

/* Breadcrumbs */
.breadcrumbs {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}
.breadcrumb-link {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.breadcrumb-link:hover {
  opacity: 0.8;
}
.breadcrumb-separator {
  color: var(--text-primary);
  opacity: 0.4;
  font-size: 24px;
  font-weight: 300;
  margin: 0 5px;
}
.breadcrumb-current {
  color: var(--text-primary);
}
.breadcrumb-text {
  color: var(--text-primary);
}

/* Navigation buttons */
.nav-buttons {
  display: flex;
  gap: 10px;
}
.episode-form {
  display: inline;
  margin: 0;
  vertical-align: middle;
}
.episode-input {
  background-color: var(--navbar-list-item-hover);
  border: 1px solid var(--color-border-light);
  color: var(--text-primary);
  font-size: 18px;
  font-family: inherit;
  text-align: center;
  width: auto;
  padding: 4px 6px;
  margin: 0 3px;
  height: 32px;
  border-radius: 4px;
  transition: all 0.2s;
  vertical-align: middle;
  box-sizing: border-box;
}
.episode-input:focus {
  outline: none;
  border-color: var(--accent);
  background-color: var(--navbar-background-color-hover);
}
.task-description {
  color: var(--text-primary);
  opacity: 0.8;
  margin-left: 10px;
}

/* Buttons */
.back-button {
  background-color: var(--navbar-list-item-hover);
  color: var(--text-primary);
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: background-color 0.2s;
  width: 80px;
}
.back-button:hover {
  background-color: var(--navbar-background-color-hover);
}
.dataset-button {
  background-color: var(--accent);
  color: var(--bg-body);
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: background-color 0.2s, opacity 0.2s;
  font-weight: 500;
}
.dataset-button:hover {
  opacity: 0.85;
}

/* Viewer container */
#viewer-container {
  flex: 1;
  width: 100%;
  position: relative;
  background-color: var(--bg-body);
}
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 1000;
}
#viewer-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Full height layout for episode viewer */
/* body.episode-viewer {
  height: 100vh;
  display: flex;
  flex-direction: column;
} */

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-background-color);
  border: 1px solid var(--scrollbar-border-color);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb-color);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--navbar-background-color-hover);
}

::-webkit-scrollbar-corner {
  background: var(--scrollbar-background-color);
}

.episode-container {
  width: 100%;
  display: flex;
  flex-grow: 1;
}

.episode-info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--panel-bg);
  z-index: 1;
}

.sidebar {
  display: flex;
  flex-direction: column;
  width: 0px;
  visibility: hidden;
  border-left: 1px solid var(--border-subtle);
  box-sizing: border-box;
  transition: 0.15s ease;
  position: relative;
  overflow: hidden;
}

.sidebar.isResizing {
  transition: none;
}

.sidebar.expanded {
  visibility: visible;
}

.resizer {
  width: 10px;
  cursor: ew-resize;
  background-color: transparent;
  position: absolute;
  top: 0;
  bottom: 0;
  transform: translate(-50%, 0);
  z-index: 1;
}

.resizer::before {
  content: '';
  display: block;
  width: 3px;
  height: 100%;
  margin: 0 auto;
}

.resizer:hover::before {
  background-color: #fff;
}

.key-column-resizer {
  transform: translate(var(--dataset-key-column-width), 0);
}

.key-column-resizer::before {
  background-color: var(--border-subtle);
  width: 1px;
}

.sidebar-content {
  padding: 0px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  flex-grow: 1;
}

.sidebar-content-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
}

.sidebar-content table {
  width: 100%;
  border: none;
}

.sidebar-content table table {
  display: none;
  width: auto;
  margin-top: 10px;
  border: 1px solid var(--border-subtle);
}

.dataset-key-column {
  width: var(--dataset-key-column-width);
}

table.root-table > tbody > tr > td {
  max-width: 0;
}

table.root-table > tbody > tr > td:first-child {
  max-width: var(--dataset-key-column-width);
  min-width: var(--dataset-key-column-width);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.expand-button {
  all: unset;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 5px;
  cursor: pointer;
  color: var(--accent);
  transition: 0.15s;
  font-size: 10px;
}

.expand-button[data-expanded='true'] {
  transform: rotate(90deg);
}

/* Utils */

.hidden {
  display: none;
}