@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #0d0d0f;
  --surface: #16181d;
  --surface2: #1e2028;
  --surface3: #252830;
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(110,205,0,0.35);
  --accent: #6ecd00;
  --accent-dim: rgba(110,205,0,0.12);
  --accent-glow: rgba(110,205,0,0.25);
  --text: #f0f0f2;
  --text-muted: #6b7080;
  --text-sub: #9299a8;
  --danger: #f04555;
  --danger-dim: rgba(240,69,85,0.15);
  --warn: #f5a623;
  --warn-dim: rgba(245,166,35,0.15);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-pill: 20px;
  --transition: 0.18s ease;
}

body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== CONTAINER ===== */
.container {
  padding: 16px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* ===== HEADER ===== */
.header {
  text-align: center;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.header h2 {
  margin: 0 0 3px 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--accent), #a8ff3e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 14px;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.tab-btn:hover {
  color: var(--text);
  background: var(--surface2);
}

.tab-btn.active {
  color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--border-accent);
}

/* ===== TAB CONTENT ===== */
.tab-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
  height: 100%;
}

/* ===== CARD ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}

/* ===== DROPZONE ===== */
.dropzone {
  border: 1.5px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  cursor: pointer;
  background: var(--surface2);
  transition: all var(--transition);
  margin-bottom: 12px;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.dropzone p {
  margin: 0 0 4px 0;
  font-weight: 600;
  font-size: 12px;
  color: var(--text);
}

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

.dropzone-files {
  display: block;
  margin-top: 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== INPUTS ===== */
label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-sub);
  letter-spacing: 0.2px;
}

input[type="number"],
input[type="text"],
select,
.edit-input,
.edit-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
.edit-textarea:focus,
.edit-input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.edit-textarea {
  resize: vertical;
  min-height: 80px;
}

.input-group { margin-bottom: 0; }

.prompt-textarea {
  width: 100%;
  min-height: 150px;
  max-height: 240px;
  resize: vertical;
  padding: 10px;
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: inherit;
  line-height: 1.45;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.prompt-textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.sound-prompt-group {
  margin-bottom: 10px;
}

.sound-options-grid,
.sound-checkbox-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

/* ===== HEADER ROW ===== */
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.header-row h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.1px;
}

/* ===== TRACK LIST ===== */
.track-list {
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: 12px;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 32px 16px;
  font-style: italic;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* ===== ALBUM BLOCKS ===== */
.album-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.album-header-bar {
  background: var(--surface2);
  color: var(--accent);
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background var(--transition);
}

.album-header-bar:hover { background: var(--surface3); }

.album-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  flex: 1;
  padding-right: 10px;
}

.album-name-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;
  color: var(--text);
}

.album-track-count {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 10px;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  border: 1px solid var(--border-accent);
}

.settings-toggle-btn {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.album-settings-wrapper {
  display: none;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.album-settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px dashed var(--border);
}

.album-settings.full-width {
  grid-template-columns: 1fr;
  padding-top: 0;
  border-bottom: 0;
}

.setting-group { display: flex; flex-direction: column; }

.gender-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  width: 100%;
  padding: 3px;
  background: #101116;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.gender-option {
  min-width: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  padding: 7px 4px;
  transition: background var(--transition), color var(--transition);
}

.gender-option:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.gender-option.active {
  color: var(--text);
  background: #34353d;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  margin: 0;
  padding: 8px 10px;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.checkbox-line input[type="checkbox"] {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

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

.persona-wrap input[type="checkbox"] {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ===== TRACK ITEMS ===== */
.track-item {
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.track-item:last-child { border-bottom: none; }

.track-item.active { background: rgba(110,205,0,0.04); }

.track-header {
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background var(--transition);
}

.track-header:hover { background: var(--surface3); }

.track-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
  padding-right: 10px;
}

.track-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-vibe-preview {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.track-details {
  padding: 0 12px 12px 12px;
  background: var(--surface2);
}

.edit-group { margin-top: 10px; }

.edit-group label {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ===== STATUS BADGES ===== */
.status-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface3);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.status-badge.injecting {
  background: rgba(56,189,248,0.12);
  color: #38bdf8;
  border-color: rgba(56,189,248,0.25);
}

.status-badge.processing {
  background: var(--warn-dim);
  color: var(--warn);
  border-color: rgba(245,166,35,0.25);
}

.status-badge.cooldown {
  background: rgba(56,189,248,0.12);
  color: #7dd3fc;
  border-color: rgba(56,189,248,0.25);
}

.status-badge.done {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--border-accent);
}

.status-badge.failed {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(240,69,85,0.25);
}

/* ===== PROGRESS ===== */
.progress-container {
  margin-bottom: 12px;
  background: var(--surface);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-sub);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--surface3);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #a8ff3e);
  border-radius: 3px;
  transition: width 0.4s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ===== BUTTONS ===== */
.sticky-bottom { margin-top: auto; }

.btn-group { display: flex; gap: 6px; }

.btn {
  flex: 1;
  padding: 11px 4px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  letter-spacing: 0.1px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #86d600);
  color: #0d1a00;
  box-shadow: 0 2px 12px rgba(110,205,0,0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(110,205,0,0.45);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-primary:disabled {
  background: var(--surface3);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-warning {
  background: transparent;
  border: 1px solid var(--warn);
  color: var(--warn);
}

.btn-warning:hover:not(:disabled) {
  background: var(--warn-dim);
  box-shadow: 0 0 12px rgba(245,166,35,0.25);
}

.btn-warning:disabled {
  border-color: var(--surface3);
  color: var(--text-muted);
  cursor: not-allowed;
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-dim);
  box-shadow: 0 0 12px rgba(240,69,85,0.25);
}

.btn-danger:disabled {
  border-color: var(--surface3);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ===== CLEAR BUTTON ===== */
.btn-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-clear:hover:not(:disabled) {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-dim);
}

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

.btn-select-all {
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-select-all:hover {
  background: var(--accent-dim);
}

/* ===== DOWNLOADER ITEMS ===== */
.dl-item {
  display: flex;
  align-items: center;
  background: var(--surface);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.dl-item:hover {
  background: var(--surface2);
  border-color: rgba(255,255,255,0.12);
}

.dl-item:has(.dl-checkbox:checked) {
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

.dl-checkbox {
  margin-right: 12px;
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.dl-info { flex-grow: 1; overflow: hidden; }

.dl-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

/* ===== DOWNLOADER CONTROLS CARD ===== */
.dl-controls-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 10px;
}

.dl-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin: 6px 0 0 0;
  text-align: center;
}

.dl-folder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 12px;
}

/* ===== SCAN BUTTON ===== */
.scan-btn-wrap {
  margin-bottom: 12px;
}

/* ===== MISC ===== */
.divider {
  height: 1px;
  background: var(--border);
  margin: 10px 0;
}

/* ===== RUNNING BUTTON ANIMATION ===== */
@keyframes runningPulse {
  0% {
    box-shadow: 0 0 10px rgba(110,205,0,0.4);
    background-position: 0% 50%;
  }
  50% {
    box-shadow: 0 0 25px rgba(110,205,0,0.8);
    background-position: 100% 50%;
  }
  100% {
    box-shadow: 0 0 10px rgba(110,205,0,0.4);
    background-position: 0% 50%;
  }
}
.btn-primary.running {
  background: linear-gradient(270deg, var(--accent), #86d600, #a8ff3e, var(--accent)) !important;
  background-size: 300% 300% !important;
  animation: runningPulse 2s infinite ease-in-out !important;
  color: #0d1a00 !important;
  cursor: wait !important;
  transform: scale(0.98) !important;
}