:root {
  --bg-primary: #0f0f14;
  --bg-secondary: #1a1a24;
  --bg-card: #22222e;
  --bg-input: #2a2a38;
  --text-primary: #e8e8f0;
  --text-secondary: #9898a8;
  --text-muted: #686878;
  --accent: #6c5ce7;
  --accent-hover: #7c6df7;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #2ed573;
  --warning: #ffa502;
  --danger: #ff4757;
  --border: #2e2e3e;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Sticky header + tab nav wrapper */
.sticky-top {
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Header */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header h1 {
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-header .subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

#lang-toggle {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

#lang-toggle:hover {
  border-color: var(--accent);
}

/* Navigation */
.tab-nav {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  overflow-x: auto;
}

.tab-nav button {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 12px 20px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-nav button:hover {
  color: var(--text-primary);
}

.tab-nav button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Main content */
.tab-content {
  display: none;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.tab-content.active {
  display: block;
}

/* Section title */
.section-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Platform grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.platform-column {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.platform-header {
  padding: 14px 16px;
  font-weight: 600;
  font-size: 15px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.platform-header .badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--accent-glow);
  color: var(--accent);
}

.platform-error {
  padding: 16px;
  color: var(--danger);
  font-size: 13px;
  text-align: center;
}

.platform-loading {
  padding: 16px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

/* Song card */
.song-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  cursor: pointer;
}

.song-card:hover {
  background: var(--bg-card);
}

.song-card.selected {
  background: rgba(108, 92, 231, 0.1);
  border-left: 3px solid var(--accent);
}

.song-rank {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 28px;
  text-align: center;
}

.song-rank.top3 {
  color: var(--warning);
}

.song-cover {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: var(--bg-input);
  object-fit: cover;
  flex-shrink: 0;
}

.song-info {
  flex: 1;
  min-width: 0;
}

.song-title {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.song-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.song-meta {
  font-size: 11px;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-link {
  background: none;
  color: var(--accent);
  padding: 4px 8px;
  font-size: 12px;
}

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

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group select,
.form-group input,
.form-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Two-panel layout */
.two-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .two-panel { grid-template-columns: 1fr; }
}

.panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.panel-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Output areas */
.output-area {
  position: relative;
}

.output-area textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.6;
  resize: vertical;
  min-height: 200px;
}

.output-area textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.output-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.btn-copy-icon {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.btn-copy-icon:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}
.btn-copy-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}

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

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}

/* Analysis panel */
.analysis-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-top: 20px;
  display: none;
}

.analysis-panel.visible {
  display: block;
}

.analysis-panel h3 {
  font-size: 16px;
  margin-bottom: 16px;
}

.factor-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 10px;
}

.factor-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 4px;
}

.factor-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.factor-songs {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.insight-list {
  list-style: none;
  padding: 0;
}

.insight-list li {
  padding: 8px 12px;
  border-left: 3px solid var(--accent);
  margin-bottom: 8px;
  font-size: 13px;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* Stem options bar */
.stems-options {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.stems-options .form-group {
  flex: 1;
  max-width: 520px;
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.05);
}

.dropzone-text {
  font-size: 15px;
  margin-bottom: 8px;
}

.dropzone-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* Progress bar */
.progress-container {
  display: none;
  margin-top: 20px;
}

.progress-container.visible {
  display: block;
}

.progress-bar-bg {
  background: var(--bg-input);
  border-radius: 10px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--accent), #a29bfe);
  height: 100%;
  border-radius: 10px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: center;
}

/* Stem results */
.stem-results {
  display: none;
  margin-top: 20px;
}

.stem-results.visible {
  display: block;
}

.stem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.stem-name {
  font-weight: 600;
  min-width: 80px;
  text-transform: capitalize;
}

.stem-player {
  flex: 1;
}

.stem-player audio {
  width: 100%;
  height: 32px;
}

.stem-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.btn-track {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.btn-track:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.btn-mute.active {
  background: #c0392b;
  border-color: #c0392b;
  color: #fff;
}

.btn-solo.active {
  background: #f39c12;
  border-color: #f39c12;
  color: #fff;
}

.stem-actions-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

/* Context tag */
.context-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.context-tag {
  background: var(--accent-glow);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.context-tag .remove {
  cursor: pointer;
  font-weight: bold;
}

/* Tips list */
.tips-list {
  margin-top: 12px;
}

.tips-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  list-style: disc inside;
}

/* Loading / Error states */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.error-banner {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  display: none;
}

.error-banner.visible {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Selection bar */
.selection-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  margin-top: 16px;
  display: none;
  align-items: center;
  justify-content: space-between;
}

.selection-bar.visible {
  display: flex;
}

/* Combo multi-select dropdown (collapsed by default) */
.combo-multi {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 4px;
}
.combo-multi > summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-primary);
  user-select: none;
}
.combo-multi > summary::-webkit-details-marker { display: none; }
.combo-multi > summary::after {
  content: '▾';
  color: var(--text-muted);
  font-size: 12px;
  transition: transform .15s;
}
.combo-multi[open] > summary::after { transform: rotate(180deg); }
.combo-multi[open] > summary { border-bottom: 1px solid var(--border); }
.combo-multi .combo-summary-label {
  color: var(--text-muted);
  font-weight: 400;
}
.combo-multi .combo-summary-label.has-selection {
  color: var(--accent);
  font-weight: 500;
}
.combo-multi .combo-body {
  padding: 8px;
}

/* Chip multi-select */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
}
.chip-group .chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.4;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.chip-group .chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.chip-group .chip.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.chip-group .chip.selected::before {
  content: '✓ ';
  margin-right: 2px;
}
.chip-custom-input {
  width: 100%;
  margin-top: 8px;
  padding: 6px 8px;
  font-size: 12px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
}
.chip-custom-input::placeholder { color: var(--text-muted); }

/* ── Album Cover Generator ───────────────────────────────── */
.cover-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
}

.cover-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cover-preview-panel {
  position: sticky;
  top: 112px; /* below sticky header + tab nav */
}

.cover-canvas-outer {
  width: 100%;
  aspect-ratio: 1;
  background: #111;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.cover-canvas-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: repeating-conic-gradient(#1a1a24 0% 25%, #111 0% 50%) 0 0 / 20px 20px;
}

.cover-canvas-container.has-image {
  background: none;
}

.cover-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  pointer-events: none;
  user-select: none;
}

.cover-text-box {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: grab;
  padding: 3px 6px;
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 4px;
  min-width: 20px;
  transition: border-color 0.15s;
}
.cover-text-box:hover  { border-color: rgba(255,255,255,0.6); }
.cover-text-box:active { cursor: grabbing; }

#cover-box-title  { border-color: rgba(108,92,231,0.5); }
#cover-box-artist { border-color: rgba(253,121,168,0.4); }
#cover-box-lyrics { border-color: rgba(253,203,110,0.5); }

.cover-text-content {
  white-space: pre;
  pointer-events: none;
  user-select: none;
  line-height: 1.3;
  display: block;
}

.cover-box-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}

.cover-style-btns {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.cover-style-btns .btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.cover-style-btns select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 13px;
}

.cover-divider {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin: 8px 0;
}

.cover-save-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .cover-layout {
    grid-template-columns: 1fr;
  }
  .cover-preview-panel {
    position: static;
    order: -1;
  }
  .cover-canvas-outer {
    max-width: 420px;
    margin: 0 auto;
  }
}

/* Custom combobox — styled dropdown for input[list] fields */
.combo-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.combo-wrap input {
  flex: 1;
  min-width: 0;
  padding-right: 28px !important; /* room for the toggle button */
}
.combo-toggle-btn {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 28px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.combo-toggle-btn:hover {
  color: var(--accent);
  background: rgba(108, 92, 231, 0.08);
}
.combo-list.open ~ .combo-toggle-btn,
.combo-wrap:focus-within .combo-toggle-btn {
  color: var(--accent);
}
.combo-list {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 220px;
  overflow-y: auto;
  z-index: 400;
  display: none;
  box-shadow: var(--shadow);
}
.combo-list.open { display: block; }
.combo-list-opt {
  padding: 5px 12px;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.combo-list-opt:hover,
.combo-list-opt.active {
  background: var(--bg-input);
  color: var(--accent);
}
.combo-list-opt.selected-token {
  color: var(--accent);
  opacity: 0.7;
}
.combo-list-opt.selected-token::after {
  content: ' ✓';
  font-size: 11px;
}
.combo-list-opt.selected-token:hover {
  opacity: 1;
  text-decoration: line-through;
  color: var(--danger);
}
.combo-list-opt.selected-token:hover::after {
  content: ' ✕';
}

/* Responsive */
@media (max-width: 768px) {
  .app-header { padding: 10px 16px; }
  .tab-nav { padding: 0 8px; }
  .tab-nav button { padding: 10px 12px; font-size: 13px; }
  .tab-content { padding: 16px; }
  .platform-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ── Settings Modal ─────────────────────────────────────────────────────────── */
#settings-modal {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,.65);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.settings-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(920px, 100%);
  height: min(82vh, 680px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,.7);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.settings-title { font-weight: 600; font-size: 15px; }
.settings-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 6px;
  line-height: 1;
}
.settings-close:hover { color: var(--text-primary); background: var(--bg-input); }

/* body = sidebar + editor */
.settings-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ── */
.settings-sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 8px 0;
}
.settings-group { margin-bottom: 2px; }
.settings-group-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  padding: 10px 14px 4px;
}
.settings-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background .12s;
  gap: 6px;
}
.settings-list-item:hover { background: var(--bg-input); color: var(--text-primary); }
.settings-list-item.active { background: var(--accent); color: #fff; }
.settings-item-count {
  font-size: 11px;
  background: var(--bg-input);
  color: var(--text-muted);
  border-radius: 10px;
  padding: 1px 7px;
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.settings-list-item.active .settings-item-count {
  background: rgba(255,255,255,.2);
  color: #fff;
}

/* ── Editor panel ── */
.settings-editor-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.settings-editor-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 20px;
  text-align: center;
}
.settings-col-headers {
  display: flex;
  gap: 8px;
  padding: 10px 20px 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  align-items: center;
}
.settings-col-v { flex: 1; }
.settings-col-l { flex: 1; }

.settings-items {
  flex: 1;
  overflow-y: auto;
  padding: 8px 20px 4px;
}
.settings-item-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}
.settings-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
  min-width: 0;
}
.settings-input:focus { outline: none; border-color: var(--accent); }
.settings-del-btn {
  width: 28px; height: 28px;
  flex-shrink: 0;
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 5px;
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  transition: all .12s;
}
.settings-del-btn:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: rgba(255,71,87,.08);
}

.settings-add-row {
  padding: 10px 20px 12px;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.settings-chips-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Footer ── */
.settings-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Settings button in header ── */
#settings-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
#settings-btn:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 600px) {
  .settings-sidebar { width: 140px; }
  .settings-input-l { display: none; }
  .settings-col-l { display: none; }
}

/* ── User Management / Auth ──────────────────────────────────────────────── */

/* Points badge in header */
.points-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #2d2a4a, #3a3660);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  color: #a29bfe;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.points-badge:hover { background: linear-gradient(135deg, #3a3660, #4a439a); }
@keyframes pts-flash {
  0%   { box-shadow: 0 0 0 0 rgba(108,92,231,.8); }
  60%  { box-shadow: 0 0 0 8px rgba(108,92,231,0); }
  100% { box-shadow: 0 0 0 0 rgba(108,92,231,0); }
}
.points-badge.pts-flash { animation: pts-flash .6s ease-out; }

/* Username chip */
.user-name-chip {
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-name-chip:hover { color: var(--text-primary); }

/* Modal overlay */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

/* Modal box */
.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

.auth-close-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: all .15s;
}
.auth-close-btn:hover { color: var(--text-primary); background: var(--bg-input); }

/* Tab bar */
.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius);
}
.auth-tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 7px 10px;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
  white-space: nowrap;
}
.auth-tab-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.auth-tab-btn:not(.active):hover { color: var(--text-primary); }

/* Modal title */
.auth-modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

/* Bonus badge */
.auth-bonus-badge {
  background: linear-gradient(135deg, #1e1a3a, #2d2855);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  color: #a29bfe;
  font-size: 13px;
  line-height: 1.5;
}
.auth-bonus-badge small { color: var(--text-muted); }

/* Error message */
.auth-error {
  background: rgba(255, 71, 87, .12);
  border: 1px solid rgba(255, 71, 87, .4);
  border-radius: var(--radius);
  color: var(--danger);
  padding: 8px 12px;
  font-size: 13px;
  margin-bottom: 12px;
}

/* Switch link below form */
.auth-switch {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
}
.auth-switch a { color: var(--accent); text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }

/* Points history */
.pts-history {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 340px;
  overflow-y: auto;
}
.pts-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg-card);
  border-radius: var(--radius);
  font-size: 12px;
}
.pts-action { color: var(--text-primary); }
.pts-positive { color: var(--success); font-weight: 700; }
.pts-negative { color: var(--danger); font-weight: 700; }
.pts-balance { color: var(--text-muted); }
.pts-date { color: var(--text-muted); font-size: 11px; }

/* Small helper text below inputs */
.field-hint {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 480px) {
  .auth-modal { padding: 20px 16px; }
  .points-badge span { display: none; }
  .user-name-chip { max-width: 80px; }
}

/* ── Help Page ────────────────────────────────────────────────────────────── */
.help-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* Hero */
.help-hero {
  text-align: center;
  padding: 40px 24px 32px;
  margin-bottom: 8px;
}
.help-hero-icon { font-size: 48px; margin-bottom: 12px; }
.help-hero h2 {
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a29bfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}
.help-hero p { color: var(--text-secondary); font-size: 15px; }

/* Sections */
.help-section { margin-bottom: 40px; }
.help-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.help-section-intro {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* Quick-start steps */
.help-steps { display: flex; flex-direction: column; gap: 14px; }
.help-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  transition: border-color .2s;
}
.help-step:hover { border-color: var(--accent); }
.help-step-num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
}
.help-step strong { display: block; margin-bottom: 4px; color: var(--text-primary); }
.help-step p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin: 0; }

/* Points grid */
.help-pts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.help-pts-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 12px 14px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}
.help-pts-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.help-pts-free { border-color: rgba(46,213,115,.3); background: rgba(46,213,115,.05); }
.help-pts-icon { font-size: 24px; margin-bottom: 8px; }
.help-pts-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.3; }
.help-pts-cost { font-size: 20px; font-weight: 700; color: var(--danger); }
.help-pts-green { color: var(--success); }

/* Feature cards */
.help-features { display: flex; flex-direction: column; gap: 16px; }
.help-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: border-color .2s;
}
.help-feature-card:hover { border-color: var(--accent); }
.help-feature-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.help-feature-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .3px;
}
.trending-badge  { background: rgba(108,92,231,.2); color: #a29bfe; border: 1px solid rgba(108,92,231,.4); }
.suggest-badge   { background: rgba(255,165,2,.15);  color: #ffa502; border: 1px solid rgba(255,165,2,.3); }
.generate-badge  { background: rgba(46,213,115,.15); color: #2ed573; border: 1px solid rgba(46,213,115,.3); }
.stems-badge     { background: rgba(253,121,168,.15);color: #fd79a8; border: 1px solid rgba(253,121,168,.3); }
.cover-badge     { background: rgba(116,185,255,.15);color: #74b9ff; border: 1px solid rgba(116,185,255,.3); }

.help-feature-cost-tag {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: 10px;
}
.help-feature-card > p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}
.help-tips { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.help-tips li { font-size: 13px; color: var(--text-muted); }

/* FAQ */
.help-faq { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '＋';
  font-size: 16px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform .2s;
}
.faq-item[open] summary::after { content: '－'; }
.faq-item p {
  padding: 0 20px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* Footer */
.help-footer { text-align: center; padding-top: 24px; border-top: 1px solid var(--border); margin-top: 8px; }
.help-version-info { font-size: 12px; color: var(--text-muted); }

@media (max-width: 600px) {
  .help-pts-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .help-page { padding: 20px 16px 48px; }
}

/* ── Admin Panel ─────────────────────────────────────────────────────────── */
.admin-page { padding: 0 0 48px; }

/* Stats bar */
.admin-stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.admin-stat-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px 10px;
}
.admin-stat-val { font-size: 24px; font-weight: 700; color: var(--text-primary); }
.admin-stat-lbl { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .5px; }

/* Inner tab bar */
.admin-tabs-bar {
  display: flex;
  gap: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.admin-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.admin-tab:hover { color: var(--text-primary); }
.admin-tab-active { color: var(--accent) !important; border-bottom-color: var(--accent) !important; }

/* Toolbar */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.admin-search-box { flex: 1; max-width: 380px; }

/* Table */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
.admin-user-row { cursor: pointer; transition: background .15s; }
.admin-user-row:hover { background: var(--bg-card); }
.row-disabled td { opacity: .55; }
.admin-loading { text-align: center; color: var(--text-muted); padding: 28px !important; }
.admin-err-cell { text-align: center; color: var(--danger); padding: 20px !important; }
.admin-name { font-weight: 600; }
.role-badge {
  background: rgba(108,92,231,.25); color: #a29bfe;
  font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 10px;
  margin-left: 6px; letter-spacing: .3px;
}
.pts-num { font-weight: 700; color: var(--accent); }
.status-pill {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  padding: 2px 9px; border-radius: 10px;
}
.status-active  { background: rgba(46,213,115,.15); color: var(--success); }
.status-disabled { background: rgba(255,71,87,.15);  color: var(--danger); }
.text-muted { color: var(--text-muted); }

/* Pager */
.admin-pager {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
}
.pager-info { font-size: 12px; color: var(--text-muted); flex: 1; }

/* User detail panel */
.admin-user-panel {
  margin: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  animation: slideDown .2s ease;
}
@keyframes slideDown { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:none; } }
.user-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; flex-wrap: wrap; gap: 8px;
}
.user-panel-meta {
  display: flex; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-input);
  border-radius: var(--radius);
}
.user-panel-actions { display: flex; flex-direction: column; gap: 14px; margin-bottom: 16px; }

/* Cards within panel */
.admin-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.admin-card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
.admin-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.admin-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 7px 12px;
  font-size: 13px;
  flex: 1;
  min-width: 80px;
  transition: border-color .2s;
}
.admin-input:focus { outline: none; border-color: var(--accent); }
.quick-pts-btns { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }

/* Messages */
.admin-msg { font-size: 13px; margin-top: 8px; padding: 6px 10px; border-radius: 6px; }
.admin-msg-ok  { background: rgba(46,213,115,.12); color: var(--success); }
.admin-msg-err { background: rgba(255,71,87,.12);  color: var(--danger); }

/* Audit trail badges */
.audit-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 2px 9px; border-radius: 10px;
  white-space: nowrap;
}
.audit-badge-user_login    { background: rgba(116,185,255,.15); color: #74b9ff; }
.audit-badge-admin_refill  { background: rgba(46,213,115,.15);  color: var(--success); }
.audit-badge-admin_deduct  { background: rgba(255,71,87,.15);   color: var(--danger); }
.audit-badge-admin_disable { background: rgba(255,71,87,.15);   color: var(--danger); }
.audit-badge-admin_enable  { background: rgba(46,213,115,.15);  color: var(--success); }
.audit-badge-admin_note    { background: rgba(255,165,2,.15);   color: var(--warning); }
.audit-detail { max-width: 260px; word-break: break-word; font-size: 12px; color: var(--text-secondary); }

/* Danger / success button variants */
.btn-danger  { background: rgba(255,71,87,.15);  color: var(--danger);  border: 1px solid rgba(255,71,87,.4); }
.btn-success { background: rgba(46,213,115,.15); color: var(--success); border: 1px solid rgba(46,213,115,.4); }
.btn-danger:hover  { background: rgba(255,71,87,.3); }
.btn-success:hover { background: rgba(46,213,115,.3); }

@media (max-width: 640px) {
  .admin-stats-bar { grid-template-columns: repeat(3, 1fr); }
  .admin-user-panel { margin: 12px; }
}

/* ── Security / Change-Password panel ───────────────────────────────────── */
.security-info-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 20px;
}
.security-icon { font-size: 24px; }
.security-email-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .4px; }
.security-email-val   { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-top: 2px; word-break: break-all; }

/* Password input with show/hide toggle */
.pwd-input-wrap { position: relative; display: flex; }
.pwd-input-wrap input { flex: 1; padding-right: 38px; }
.pwd-eye-btn {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 36px;
  background: none; border: none; cursor: pointer;
  font-size: 15px; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: color .2s;
}
.pwd-eye-btn:hover { color: var(--text-primary); }

/* Success message box */
.auth-success {
  background: rgba(46,213,115,.1);
  border: 1px solid rgba(46,213,115,.3);
  color: var(--success);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}