/* ========== VARIABLES ========== */
:root {
  --bg: #0f0f13;
  --bg2: #1a1a24;
  --bg3: #252535;
  --text: #e8e8f0;
  --text2: #a0a0b8;
  --primary: #7c5cff;
  --primary-hover: #9b7fff;
  --accent: #ff5caa;
  --success: #4ade80;
  --danger: #f87171;
  --border: #2a2a3a;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

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

/* ========== APP ========== */
.app {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* ========== HEADER ========== */
header {
  text-align: center;
  padding: 30px 0 20px;
}
header h1 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.subtitle {
  color: var(--text2);
  margin-top: 4px;
  font-size: 0.95rem;
}

/* ========== TABS ========== */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 4px;
  margin: 20px 0;
  overflow-x: auto;
}
.tab {
  flex: 1;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--text2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
}
.tab:hover { color: var(--text); background: var(--bg3); }
.tab.active {
  background: var(--primary);
  color: white;
}

/* ========== TAB CONTENT ========== */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-content.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CARD ========== */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

/* ========== FORM ========== */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.9rem;
}
.form-group small {
  display: block;
  color: var(--text2);
  font-size: 0.8rem;
  margin-top: 4px;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="email"],
select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border 0.2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
}

textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}
textarea:focus {
  border-color: var(--primary);
}

.char-count {
  text-align: right;
  color: var(--text2);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* ========== BUTTONS ========== */
.btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.btn:hover {
  background: var(--border);
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-hover);
}
.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}
.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  width: 100%;
  justify-content: center;
}

/* ========== UPLOAD ZONE ========== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--primary);
  background: rgba(124, 92, 255, 0.05);
}
.upload-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* ========== VOICE GRID ========== */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}
.voice-card {
  background: var(--bg3);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.voice-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.voice-card.selected {
  border-color: var(--primary);
  background: rgba(124, 92, 255, 0.1);
}
.voice-avatar {
  font-size: 2rem;
  margin-bottom: 6px;
}
.voice-name {
  font-size: 0.8rem;
  color: var(--text2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== VOICE LIST ========== */
.voice-list { }
.voice-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: var(--bg3);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: all 0.2s;
}
.voice-item:hover {
  background: var(--border);
}
.voice-item .voice-icon {
  font-size: 1.8rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
  border-radius: 50%;
  flex-shrink: 0;
}
.voice-item .voice-info {
  flex: 1;
  min-width: 0;
}
.voice-item .voice-info h3 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.voice-item .voice-info p {
  font-size: 0.8rem;
  color: var(--text2);
}
.voice-item .voice-actions {
  display: flex;
  gap: 6px;
}

/* ========== RECORDER ========== */
.recorder {
  text-align: center;
  padding: 10px 0;
}
.btn-record {
  padding: 14px 28px;
  border: 2px solid var(--danger);
  background: transparent;
  color: var(--danger);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-record:hover {
  background: var(--danger);
  color: white;
}
.btn-record.recording {
  background: var(--danger);
  color: white;
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248,113,113,0.5); }
  50% { box-shadow: 0 0 0 12px rgba(248,113,113,0); }
}
#recordTimer {
  margin-top: 12px;
  font-size: 1.2rem;
  font-family: monospace;
}
#recordPreview {
  margin-top: 16px;
}

/* ========== OPTIONS ROW ========== */
.options-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.options-row .form-group {
  flex: 1;
  min-width: 150px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
  height: 6px;
}

/* ========== RESULT ========== */
.result-card {
  border-color: var(--success);
  background: rgba(74, 222, 128, 0.05);
}
.result-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.meta {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text2);
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text2);
}

/* ========== GUIDE ========== */
.guide h3 {
  color: var(--primary);
  font-size: 0.95rem;
  margin: 16px 0 8px;
}
.guide h3:first-child { margin-top: 0; }
.guide ol {
  padding-left: 20px;
  color: var(--text2);
  font-size: 0.9rem;
}
.guide li { margin-bottom: 4px; }
.guide code {
  background: var(--bg3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}
.guide a {
  color: var(--primary);
  text-decoration: none;
}
.guide a:hover { text-decoration: underline; }

/* ========== HINT ========== */
.hint {
  color: var(--text2);
  font-size: 0.85rem;
}

/* ========== LOADING ========== */
.loading {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== UTILS ========== */
.hidden { display: none !important; }

/* ========== AUDIO PLAYER ========== */
audio {
  width: 100%;
  margin-top: 10px;
  border-radius: 8px;
}

/* ========== STATUS ========== */
#configStatus {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}
#configStatus.success {
  background: rgba(74, 222, 128, 0.1);
  color: var(--success);
  border: 1px solid var(--success);
}
#configStatus.error {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 600px) {
  .app { padding: 12px; }
  header h1 { font-size: 1.5rem; }
  .tabs { flex-wrap: nowrap; }
  .tab { font-size: 0.75rem; padding: 8px; }
  .card { padding: 16px; }
  .voice-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .options-row { flex-direction: column; }
}