/* ============================================
   SONG GENERATOR - Premium Glassmorphism Design
   Apple-Level Polish, Calm-App Feeling
   ============================================ */

/* ========== Header ========== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 32px;
  height: 72px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition-normal);
}

.top-bar .logo-btn {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.top-bar .logo-btn::before {
  content: '\1F3B5';
  font-size: 1.4rem;
}

.top-bar .logo-btn:hover {
  background: var(--glass-bg-light);
  transform: translateY(-1px);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info .user-name {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.user-info .admin-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg-light);
  transition: all var(--transition-fast);
}

.user-info .admin-link:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.header-credits {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-pill);
  color: var(--accent);
  box-shadow: var(--shadow-soft);
}

.header-credits svg {
  flex-shrink: 0;
  opacity: 0.85;
}

.header-credits .credits-count {
  font-weight: 700;
  font-size: 0.95rem;
}

.header-credits .credits-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.credits-buy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  background: var(--accent-gradient);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.credits-buy-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px var(--accent-glow);
}

.user-info .logout-btn {
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.user-info .logout-btn:hover {
  background: rgba(244, 63, 94, 0.12);
  color: var(--error);
}

/* Tab navigation */
.tab-nav {
  display: flex;
  gap: 6px;
  background: var(--glass-bg-light);
  padding: 6px;
  border-radius: var(--radius-pill);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: all var(--transition-normal);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--glass-bg-light);
}

.tab-btn.active {
  background: var(--glass-bg-strong);
  color: var(--accent);
  box-shadow: var(--shadow-soft);
}

/* ========== Two-column layout ========== */
.app-layout {
  display: flex;
  min-height: calc(100vh - 72px);
  position: relative;
  z-index: 1;
}

/* ========== Wizard Panel ========== */
.wizard-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.wizard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: var(--glass-bg-light);
}

.wizard-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.reset-wizard-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reset-wizard-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent);
}

/* ========== Progress Stepper - Floating Pills ========== */
.wizard-progress {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  padding: 28px 24px 32px;
  background: transparent;
  flex-wrap: wrap;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 22px 16px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 100px;
  box-shadow: var(--shadow-soft);
  animation: stepAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

/* Staggered stepper animation */
.progress-step:nth-child(1) { animation-delay: 0.1s; }
.progress-step:nth-child(2) { animation-delay: 0.15s; }
.progress-step:nth-child(3) { animation-delay: 0.2s; }
.progress-step:nth-child(4) { animation-delay: 0.25s; }
.progress-step:nth-child(5) { animation-delay: 0.3s; }
.progress-step:nth-child(6) { animation-delay: 0.35s; }

@keyframes stepAppear {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.progress-step .step-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--glass-bg-light);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.progress-step .step-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

/* User selection unter dem Step */
.progress-step .step-selection {
  font-size: 0.72rem;
  color: var(--text-soft);
  font-weight: 500;
  max-width: 90px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition-fast);
}

.progress-step.has-selection .step-selection {
  opacity: 1;
  transform: translateY(0);
}

/* Active Step - Glow Effect */
.progress-step.active {
  background: var(--glass-bg-strong);
  box-shadow: 
    var(--shadow-glow),
    0 0 0 1px rgba(168, 85, 247, 0.15);
  animation: activeStepPulse 2.5s ease-in-out infinite;
}

@keyframes activeStepPulse {
  0%, 100% {
    box-shadow: var(--shadow-glow), 0 0 0 1px rgba(168, 85, 247, 0.15);
  }
  50% {
    box-shadow: 0 10px 50px rgba(168, 85, 247, 0.2), 0 0 0 2px rgba(168, 85, 247, 0.2);
  }
}

.progress-step.active .step-num {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
  animation: numPulse 2s ease-in-out infinite;
}

@keyframes numPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.progress-step.active .step-label {
  color: var(--text-primary);
  font-weight: 600;
}

/* Completed Step */
.progress-step.completed {
  background: var(--glass-bg-strong);
  box-shadow: 
    var(--shadow-glow),
    0 0 0 1px rgba(168, 85, 247, 0.15);
}

.progress-step.completed .step-num {
  background: var(--accent);
  color: white;
}

.progress-step.completed .step-label {
  color: var(--text-primary);
  font-weight: 600;
}

/* ========== Wizard Steps Container ========== */
.wizard-steps {
  flex: 1;
  overflow-y: auto;
  padding: 40px 32px;
}

.wizard-step {
  display: none;
  animation: fadeInStep 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.wizard-step.active {
  display: block;
}

@keyframes fadeInStep {
  from { 
    opacity: 0; 
    transform: translateY(20px) scale(0.98); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

/* Details Examples - Rotating Placeholder */
.details-examples {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 16px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.example-label {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.example-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.wizard-step h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.wizard-step .step-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ========== Option Cards - Premium Glassmorphism ========== */
.option-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.option-card {
  padding: 22px 18px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: cardAppear 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

/* Staggered animation for cards */
.option-card:nth-child(1) { animation-delay: 0.05s; }
.option-card:nth-child(2) { animation-delay: 0.1s; }
.option-card:nth-child(3) { animation-delay: 0.15s; }
.option-card:nth-child(4) { animation-delay: 0.2s; }
.option-card:nth-child(5) { animation-delay: 0.25s; }
.option-card:nth-child(6) { animation-delay: 0.3s; }
.option-card:nth-child(7) { animation-delay: 0.35s; }
.option-card:nth-child(8) { animation-delay: 0.4s; }
.option-card:nth-child(9) { animation-delay: 0.45s; }
.option-card:nth-child(10) { animation-delay: 0.5s; }
.option-card:nth-child(11) { animation-delay: 0.55s; }
.option-card:nth-child(12) { animation-delay: 0.6s; }

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.option-card:hover {
  transform: scale(1.04) translateY(-2px);
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-medium);
}

.option-card:active {
  transform: scale(0.98);
}

.option-card.selected {
  background: var(--glass-bg-strong);
  box-shadow: 
    var(--shadow-glow),
    0 0 0 2px rgba(168, 85, 247, 0.25);
  color: var(--accent);
  animation: selectPulse 0.4s ease;
}

@keyframes selectPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.option-card.selected:hover {
  transform: scale(1.02);
}

/* Suggested card highlight */
.option-card.suggested {
  box-shadow: 
    var(--shadow-soft),
    0 0 0 2px rgba(168, 85, 247, 0.15);
  animation: suggestPulse 2s ease-in-out infinite;
}

@keyframes suggestPulse {
  0%, 100% { 
    box-shadow: var(--shadow-soft), 0 0 0 2px rgba(168, 85, 247, 0.15);
  }
  50% { 
    box-shadow: var(--shadow-medium), 0 0 0 3px rgba(168, 85, 247, 0.25);
  }
}

/* Custom input within steps */
.custom-input-area,
.name-input-area,
.details-input-area {
  margin-top: 12px;
}

.custom-input-area input,
.name-input-area input {
  width: 100%;
  padding: 16px 22px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft);
}

.custom-input-area input::placeholder,
.name-input-area input::placeholder,
.details-input-area textarea::placeholder {
  color: var(--text-muted);
}

.custom-input-area input:focus,
.name-input-area input:focus,
.details-input-area textarea:focus {
  background: var(--glass-bg-strong);
  box-shadow: 
    var(--shadow-medium),
    0 0 0 2px rgba(168, 85, 247, 0.15);
}

.details-input-area textarea {
  width: 100%;
  padding: 18px 22px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font);
  outline: none;
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft);
}

/* ========== Wizard Navigation ========== */
.wizard-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.wizard-panel[dir="rtl"],
.info-panel[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

.wizard-panel[dir="rtl"] .wizard-nav {
  flex-direction: row-reverse;
}

.wizard-panel[dir="rtl"] .option-card,
.wizard-panel[dir="rtl"] .step-selection {
  text-align: right;
}

.wizard-step-indicator {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.wizard-back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.wizard-back-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--text-primary);
}

.wizard-next-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.wizard-next-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.wizard-next-btn:hover:not(:disabled)::after {
  left: 100%;
}

.wizard-next-btn:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 36px var(--accent-glow);
}

.wizard-next-btn:active:not(:disabled) {
  transform: translateY(-1px) scale(0.98);
}

.wizard-next-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.wizard-next-btn:disabled::after {
  display: none;
}

/* Lyrics generating indicator */
.lyrics-generating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  background: var(--glass-bg-light);
}

.lyrics-generating span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========== Info Panel (Lyrics + Player) - Glassmorphism ========== */
.info-panel {
  width: 400px;
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  position: relative;
}

.fixed-panel-container {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 72px);
  overflow-y: auto;
}

.panel-card {
  padding: 28px;
}

.panel-card h3 {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 18px;
}

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

.lyrics-content {
  overflow-y: auto;
  flex: 1;
  max-height: 50vh;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-primary);
  opacity: 0.9;
  white-space: pre-wrap;
  padding-right: 8px;
}

.lyrics-content.has-lyrics {
  animation: lyricsAppear 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes lyricsAppear {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lyrics-content .placeholder {
  color: var(--text-muted);
  font-style: normal;
  line-height: 1.7;
  opacity: 0.7;
}

.lyrics-content .tag {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-top: 20px;
  margin-bottom: 8px;
  opacity: 0.85;
}

.lyrics-content .tag:first-child {
  margin-top: 0;
}

/* Lyrics Header & Actions */
.lyrics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.lyrics-header h3 {
  margin: 0;
}

.lyrics-actions {
  display: flex;
  gap: 6px;
}

.lyrics-action-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent);
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
}

.lyrics-action-btn:hover {
  background: rgba(168, 85, 247, 0.2);
  transform: scale(1.05);
}

.lyrics-save-btn { color: #22c55e; background: rgba(34, 197, 94, 0.1); }
.lyrics-save-btn:hover { background: rgba(34, 197, 94, 0.2); }
.lyrics-cancel-btn { color: #ef4444; background: rgba(239, 68, 68, 0.1); }
.lyrics-cancel-btn:hover { background: rgba(239, 68, 68, 0.2); }

/* Lyrics Textarea Editor */
.lyrics-editor {
  width: 100%;
  flex: 1;
  min-height: 200px;
  max-height: 50vh;
  padding: 12px;
  border: 1.5px solid rgba(168, 85, 247, 0.25);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.15);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}

.lyrics-editor:focus {
  border-color: var(--accent);
}

/* AI Prompt Box */
.lyrics-ai-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.lyrics-ai-input-row {
  display: flex;
  gap: 8px;
}

.lyrics-ai-input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid rgba(168, 85, 247, 0.15);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
}

.lyrics-ai-input:focus {
  border-color: var(--accent);
}

.lyrics-ai-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.lyrics-ai-btn {
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), #c084fc);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
}

.lyrics-ai-btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.lyrics-ai-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.lyrics-ai-status {
  font-size: 0.82rem;
  min-height: 1.2em;
}

.lyrics-ai-status.loading {
  color: var(--accent);
}

.lyrics-ai-status.success {
  color: #22c55e;
}

.lyrics-ai-status.error {
  color: #ef4444;
}

/* ========== Audio Player - Minimal & Soft ========== */
.player-card-sticky {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.generate-btn {
  width: 100%;
  padding: 18px 24px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 6px 24px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.generate-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.generate-btn:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.generate-btn:active:not(:disabled) {
  transform: translateY(-1px) scale(0.98);
}

.generate-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.generate-btn:disabled::before {
  animation: none;
}

.progress-bar {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  background: var(--glass-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(168, 85, 247, 0.12);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 5%;
  background: linear-gradient(90deg, var(--accent), #c084fc);
  border-radius: 3px;
  transition: width 0.6s ease;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.progress-percent {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(168, 85, 247, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex-shrink: 0;
}

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

/* Custom Audio Player Container */
#audio-player {
  display: none;
  width: 100%;
  border-radius: var(--radius);
  margin-top: 4px;
  background: var(--glass-bg);
  height: 48px;
}

#audio-player::-webkit-media-controls-panel {
  background: var(--glass-bg);
  border-radius: var(--radius);
}

#audio-player::-webkit-media-controls-play-button {
  border-radius: 50%;
}

/* ========== Home Page ========== */
.home-page {
  min-height: calc(100vh - 72px);
  overflow-y: auto;
  padding: 40px 32px 60px;
  position: relative;
  z-index: 1;
}

.home-container {
  max-width: 1200px;
  margin: 0 auto;
}

.welcome-section {
  text-align: center;
  margin-bottom: 48px;
}

.welcome-section h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.welcome-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 28px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-normal);
  animation: statCardAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.2s; }
.stat-card:nth-child(2) { animation-delay: 0.3s; }

@keyframes statCardAppear {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.stat-card:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-medium);
}

.stat-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.stat-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.songs-section {
  margin-top: 32px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.view-all-btn {
  padding: 10px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-all-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent);
}

.songs-grid,
.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.song-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-soft);
  animation: songCardAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.song-card.clickable {
  cursor: pointer;
}

/* Staggered song card animation */
.song-card:nth-child(1) { animation-delay: 0.1s; }
.song-card:nth-child(2) { animation-delay: 0.15s; }
.song-card:nth-child(3) { animation-delay: 0.2s; }
.song-card:nth-child(4) { animation-delay: 0.25s; }
.song-card:nth-child(5) { animation-delay: 0.3s; }
.song-card:nth-child(6) { animation-delay: 0.35s; }

@keyframes songCardAppear {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.song-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-float);
}

.song-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.song-icon {
  color: var(--accent);
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
}

.song-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.song-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.song-style {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.song-lyrics-preview {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.song-player audio {
  width: 100%;
  border-radius: var(--radius);
  height: 44px;
}

.song-generating {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--accent-soft);
  border-radius: var(--radius);
}

.song-generating .spinner {
  flex-shrink: 0;
}

.song-progress-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.song-progress-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.song-progress-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.song-failed {
  font-size: 0.9rem;
  color: var(--error);
  font-weight: 500;
}

.song-error {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Empty state */
.songs-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 20px;
  color: var(--text-muted);
  padding: 48px 24px;
  text-align: center;
}

.songs-empty svg {
  opacity: 0.35;
  color: var(--accent);
}

.songs-empty p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 340px;
  line-height: 1.6;
}

.create-first-btn {
  margin-top: 8px;
  padding: 16px 36px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.create-first-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px var(--accent-glow);
}

.songs-error {
  color: var(--error);
  text-align: center;
  padding: 48px 24px;
  font-weight: 500;
}

/* ========== All Songs Page ========== */
.all-songs-page {
  min-height: calc(100vh - 72px);
  overflow-y: auto;
  padding: 40px 32px 60px;
  position: relative;
  z-index: 1;
}

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-header p {
  font-size: 1rem;
  color: var(--text-secondary);
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.back-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent);
}

/* ========== Song Detail Page ========== */
.song-detail-page {
  min-height: calc(100vh - 72px);
  overflow-y: auto;
  padding: 40px 32px 60px;
  position: relative;
  z-index: 1;
}

.song-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 24px;
  align-items: start;
}

.song-detail-player audio {
  width: 100%;
  height: 44px;
  border-radius: var(--radius);
  background: var(--glass-bg);
}

.song-detail-status {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.song-detail-lyrics .lyrics-content {
  max-height: 60vh;
}

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

/* ========== Song Card Actions ========== */
.song-card-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.song-action-btn {
  flex: 1;
  padding: 10px 14px;
  background: var(--glass-bg);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.song-action-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent);
}

.song-action-btn.delete:hover {
  background: rgba(244, 63, 94, 0.12);
  color: var(--error);
}

.song-action-btn svg {
  width: 16px;
  height: 16px;
}

/* ========== Profile Page ========== */
.profile-page {
  min-height: calc(100vh - 72px);
  overflow-y: auto;
  padding: 40px 32px 60px;
  position: relative;
  z-index: 1;
}

.profile-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.profile-header {
  text-align: center;
  padding: 32px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.profile-avatar {
  width: 88px;
  height: 88px;
  background: var(--accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--accent);
}

.profile-header h1 {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.profile-header p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.profile-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.settings-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.settings-card form {
  padding: 24px 28px 28px;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
}

.setting-row:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.setting-info h3 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.setting-info p {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.edit-btn {
  padding: 10px 22px;
  background: var(--glass-bg-light);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.credits-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.credits-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.credits-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--accent-gradient);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px var(--accent-glow);
  white-space: nowrap;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.stat-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.stat-item h3 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.danger-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.danger-warning {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.danger-btn {
  padding: 14px 28px;
  background: transparent;
  border: 2px solid rgba(244, 63, 94, 0.4);
  color: var(--error);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.danger-btn:hover {
  background: var(--error);
  border-color: var(--error);
  color: white;
}

/* ========== Modals - Glassmorphism ========== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(61, 41, 82, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border-radius: var(--radius-xl);
  padding: 36px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-float);
  z-index: 1;
}

.modal-content h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.warning-text {
  color: var(--error);
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}

.modal-actions button {
  flex: 1;
}

.cancel-btn {
  padding: 14px 28px;
  background: var(--glass-bg);
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cancel-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--text-primary);
}

/* ========== Forms ========== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 20px;
  background: var(--glass-bg);
  border: none;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft);
}

.form-group input:focus,
.form-group textarea:focus {
  background: var(--glass-bg-strong);
  box-shadow: 
    var(--shadow-medium),
    0 0 0 2px rgba(168, 85, 247, 0.15);
}

.submit-btn {
  padding: 14px 28px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px var(--accent-glow);
  width: 100%;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.submit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  margin-top: 14px;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  text-align: center;
  display: none;
}

.form-message.error {
  display: block;
  background: rgba(244, 63, 94, 0.12);
  color: var(--error);
}

.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.12);
  color: var(--success);
}

/* ========== Loading Overlay ========== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(61, 41, 82, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.loading-spinner {
  width: 52px;
  height: 52px;
  border: 3px solid rgba(168, 85, 247, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.loading-overlay p {
  color: white;
  font-size: 1rem;
  font-weight: 500;
}

/* ========== Trial Mode Styles ========== */
.trial-header {
  background: var(--glass-bg);
}

.trial-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--accent-gradient);
  border-radius: var(--radius-pill);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 20px var(--accent-glow);
  animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 4px 20px var(--accent-glow);
  }
  50% {
    box-shadow: 0 6px 28px var(--accent-glow), 0 0 24px var(--accent-glow);
  }
}

.trial-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.login-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.login-link:hover {
  color: var(--accent);
}

.register-btn {
  padding: 10px 24px;
  background: var(--accent-gradient);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.trial-info-banner {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--accent-soft);
  padding: 24px 28px;
}

.trial-info-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.trial-info-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.trial-info-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.trial-cta {
  margin-top: 24px;
  padding: 28px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.trial-cta-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.trial-cta-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.trial-cta-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.trial-cta-content .cta-btn {
  display: inline-block;
  padding: 16px 36px;
  background: var(--accent-gradient);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.trial-cta-content .cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px var(--accent-glow);
}

.trial-cta-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Initial Loader / Splash Screen ===== */
.initial-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient);
  transition: opacity 0.4s ease;
}

.initial-loader.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  font-size: 1.8rem;
  font-weight: 600;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 28px;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  border: 3px solid rgba(168, 85, 247, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.loader-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== Lyrics Placeholder ===== */
.lyrics-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 28px;
  text-align: center;
  color: var(--text-muted);
}

.lyrics-placeholder svg {
  opacity: 0.4;
  margin-bottom: 18px;
  stroke: var(--accent);
}

.lyrics-placeholder p {
  font-size: 0.95rem;
  max-width: 280px;
  line-height: 1.7;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .info-panel {
    width: 360px;
  }
  
  .wizard-progress {
    gap: 12px;
    padding: 20px 16px 24px;
  }
  
  .progress-step {
    min-width: 85px;
    padding: 12px 16px 14px;
  }
}

@media (max-width: 860px) {
  .top-bar {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 20px;
  }

  .tab-nav {
    width: 100%;
    justify-content: center;
  }

  .user-info {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .top-bar {
    padding: 12px 16px;
    height: auto;
  }

  .tab-nav {
    padding: 4px;
  }

  .tab-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  .user-info .user-name {
    display: none;
  }

  .home-page, .profile-page, .all-songs-page {
    padding: 28px 20px 48px;
  }

  .welcome-section h1 {
    font-size: 1.6rem;
  }

  .welcome-section p {
    font-size: 1rem;
  }

  .stats-section {
    grid-template-columns: 1fr;
  }

  .app-layout {
    flex-direction: column;
  }

  .wizard-panel {
    min-height: 50vh;
  }

  .wizard-header {
    padding: 16px 20px;
  }

  .wizard-progress {
    padding: 20px 16px;
    gap: 10px;
  }
  
  .progress-step {
    min-width: 70px;
    padding: 10px 12px 12px;
  }
  
  .progress-step .step-num {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
  
  .progress-step .step-label {
    font-size: 0.72rem;
  }

  .wizard-steps {
    padding: 28px 20px;
  }

  .wizard-nav {
    padding: 20px;
  }

  .option-cards {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
  }
  
  .option-card {
    padding: 18px 14px;
    font-size: 0.9rem;
  }

  .info-panel {
    width: 100%;
    min-height: 45vh;
  }

  .panel-card, .player-card-sticky {
    padding: 24px 20px;
  }

  .songs-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .profile-container {
    padding: 0;
  }

  .credits-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .header-credits .credits-text {
    display: none;
  }

  .credits-buy-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .user-info {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Trial mode responsive */
@media (max-width: 768px) {
  .trial-badge {
    font-size: 0.8rem;
    padding: 8px 14px;
  }

  .trial-badge svg {
    width: 16px;
    height: 16px;
  }

  .trial-actions .login-link {
    display: none;
  }

  .trial-info-banner {
    padding: 20px;
  }
}

/* ========== Song Success Box & Custom Audio Player ========== */
.song-success-box {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 24px;
  animation: successAppear 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-glow);
}

@keyframes successAppear {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  50% {
    transform: translateY(-5px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.success-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.success-icon {
  font-size: 2.5rem;
  animation: celebrateBounce 0.6s ease 0.3s;
}

@keyframes celebrateBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3) rotate(10deg); }
}

.success-text h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.success-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Custom Audio Player */
.custom-audio-player {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--glass-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.play-pause-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-gradient);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px var(--accent-glow);
  flex-shrink: 0;
}

.play-pause-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.play-pause-btn:active {
  transform: scale(0.95);
}

.play-pause-btn .play-icon {
  margin-left: 3px;
}

.audio-progress-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.audio-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(168, 85, 247, 0.15);
  border-radius: 100px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.audio-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 100px;
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}

.audio-progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.audio-progress-bar:hover .audio-progress-fill::after {
  opacity: 1;
}

.audio-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Trial CTA - Updated */
.trial-cta {
  margin-top: 16px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius);
  text-align: center;
  animation: fadeInUp 0.5s ease 0.3s backwards;
}

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

.trial-cta h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.trial-cta p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.trial-cta .cta-btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent-gradient);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.trial-cta .cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}