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

:root,
[data-theme="dark"] {
  --bg: #0d0f14;
  --sidebar: #141820;
  --panel: #1a1f2b;
  --border: #2a3142;
  --text: #d8dce6;
  --muted: #8b93a7;
  --accent: #6ea8fe;
  --pos: #3c97ec;
  --neg: #ec903c;
  --viewport-overlay: rgba(13, 15, 20, 0.92);
  --label-shadow: #0d0f14;
  --scene-label: #b8bcc8;
}

[data-theme="light"] {
  --bg: #e8eaef;
  --sidebar: #f4f5f8;
  --panel: #ffffff;
  --border: #c8cdd8;
  --text: #1a1f2b;
  --muted: #5c6370;
  --accent: #2563eb;
  --pos: #1d6fd4;
  --neg: #d97706;
  --viewport-overlay: rgba(232, 234, 239, 0.94);
  --label-shadow: #e8eaef;
  --scene-label: #4a5060;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

#app {
  display: flex;
  height: 100vh;
}

#sidebar {
  width: 300px;
  min-width: 300px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-header {
  padding: 20px 18px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.sidebar-header h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-back {
  margin-top: 10px;
  font-size: 0.78rem;
}

.nav-link {
  color: var(--accent);
  text-decoration: none;
}

.nav-link:hover {
  text-decoration: underline;
}

.locale-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.locale-label--compact .locale-label-text {
  display: none;
}

.locale-select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.locale-select:hover,
.locale-select:focus {
  border-color: var(--accent);
  outline: none;
}

.header-controls-extra {
  flex-shrink: 0;
}

.hub-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.theme-toggle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-toggle-icon::before {
  content: "☀";
}

[data-theme="light"] .theme-toggle-icon::before {
  content: "☽";
}

.subtitle {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 4px;
}

.panel {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.panel h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 600;
}

.field {
  margin-bottom: 10px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label,
.field .field-label {
  display: block;
  margin-bottom: 4px;
  font-size: 0.85rem;
}

.field input[type="range"] {
  width: calc(100% - 44px);
  vertical-align: middle;
  accent-color: var(--accent);
}

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

.range-row input[type="range"] {
  flex: 1;
  min-width: 0;
  width: auto;
}

.range-row .val {
  flex-shrink: 0;
  width: auto;
  min-width: 4.5em;
  white-space: nowrap;
}

.range-with-hints {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 8px;
  row-gap: 2px;
  align-items: center;
}

.range-with-hints input[type="range"] {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  min-width: 0;
}

.range-with-hints > .val {
  grid-column: 2;
  grid-row: 1;
  flex-shrink: 0;
  width: auto;
  min-width: 4.5em;
  white-space: nowrap;
}

.range-with-hints .range-hints {
  grid-column: 1;
  grid-row: 2;
}

.checkbox-group {
  margin-bottom: 10px;
}

.checkbox-group .checkbox-row:last-child {
  padding-bottom: 0;
}

.field select {
  width: 100%;
  padding: 6px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.85rem;
}

.val {
  display: inline-block;
  width: 40px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-size: 0.85rem;
}

.range-hints {
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
  font-size: 0.72rem;
  color: var(--muted);
}

.radio-row,
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  cursor: pointer;
  font-size: 0.85rem;
}

.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

#viewport {
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  height: 100%;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

#viewport > canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.cft-splitting-panel {
  position: absolute;
  top: 12px;
  right: 16px;
  width: 400px;
  max-width: calc(100% - 32px);
  box-sizing: border-box;
  z-index: 8;
  pointer-events: none;
  overflow: hidden;
}

.cft-splitting-title {
  font: 600 11px system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
  padding-left: 2px;
}

#viewport .cft-splitting-canvas {
  position: relative;
  inset: auto;
  width: 100% !important;
  height: auto !important;
  max-width: 100%;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.cft-splitting-labels {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 4px;
  pointer-events: auto;
}

.cft-splitting-label-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text);
  font: 10px/1.2 system-ui, sans-serif;
  padding: 4px 0;
  cursor: pointer;
  border-radius: 4px;
}

.cft-splitting-label-btn sub {
  font-size: 0.85em;
}

.cft-splitting-label-btn:hover {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.cft-splitting-label-btn.is-selected {
  color: var(--accent);
  font-weight: 600;
}

.cft-splitting-caption {
  margin-top: 6px;
  font: 11px system-ui, sans-serif;
  color: var(--muted);
  text-align: left;
  padding-left: 2px;
}

.scene-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 4;
}

.scene-labels span {
  position: absolute;
  transform: translate(-50%, -50%);
  font: 600 13px "Segoe UI", system-ui, sans-serif;
  color: var(--scene-label);
  letter-spacing: 0.04em;
  text-shadow: 0 0 6px var(--label-shadow), 0 0 12px var(--label-shadow);
  white-space: nowrap;
}

.viewport-error {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--viewport-overlay);
  color: #f0a0a0;
  text-align: center;
  line-height: 1.6;
  font-size: 0.9rem;
}

.viewport-error.hidden {
  display: none !important;
}

.viewport-error code {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.35rem 0.6rem;
  background: var(--panel);
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.85rem;
}

.legend {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

.swatch.pos { background: var(--pos); }
.swatch.neg { background: var(--neg); }
.swatch.density { background: linear-gradient(90deg, #1a2040, #5b9bd5, #ffe080); }
.swatch.phase { background: linear-gradient(90deg, #ec903c, #40ec3c, #3c97ec, #e83cec, #ec903c); }

.hint {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

.hint .val {
  width: auto;
  text-align: inherit;
  display: inline;
}

.info-panel {
  margin-top: auto;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--accent);
}

/* —— Hub / index —— */

.hub-page {
  overflow: auto;
}

#hub {
  min-height: 100vh;
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hub-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.hub-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hub-section h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
  font-weight: 600;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.module-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--sidebar);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

a.module-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.module-card--soon {
  opacity: 0.72;
  cursor: default;
}

.module-card-tag {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
}

.module-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.module-card-status {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid transparent;
}

.module-card-status--flagship {
  color: #b45309;
  background: color-mix(in srgb, #b45309 14%, var(--sidebar));
  border-color: color-mix(in srgb, #b45309 40%, transparent);
  font-weight: 600;
}

.module-card-status--recommended {
  color: #2d8a4e;
  background: color-mix(in srgb, #2d8a4e 14%, var(--sidebar));
  border-color: color-mix(in srgb, #2d8a4e 35%, transparent);
}

.module-card-status--published,
.module-card-status--usable {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--sidebar));
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.module-card-status--asap,
.module-card-status--wip {
  color: var(--muted);
  background: color-mix(in srgb, var(--muted) 12%, var(--sidebar));
  border-color: color-mix(in srgb, var(--muted) 28%, transparent);
}

.module-card--wip,
.hub-row--asap,
.hub-row--wip {
  opacity: 0.82;
}

.module-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.module-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.module-card-cta {
  font-size: 0.82rem;
  color: var(--accent);
  margin-top: 4px;
}

.module-card--soon .module-card-cta {
  color: var(--muted);
}

.hub-footer {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.hub-footer code {
  padding: 0.15rem 0.35rem;
  background: var(--panel);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--accent);
}

.site-deploy-stamp {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.site-deploy-stamp--fixed {
  position: fixed;
  right: 12px;
  bottom: 8px;
  z-index: 5;
  margin: 0;
  padding: 2px 8px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  pointer-events: none;
}