/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Consistent Black & White Theme Colors */
  --primary-color: #2c2c2c;
  --secondary-color: #4a4a4a;
  --accent-color: #1a1a1a;
  --background-color: #ffffff;
  --surface-color: #f8f9fa;
  --text-primary: #2c2c2c;
  --text-secondary: #6b6b6b;
  --text-light: #8e8e93;
  --border-color: #e0e0e0;
  --hover-color: #f0f0f0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Notification colors - consistent with theme */
  --success-color: #22c55e;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;

  /* Spotify-like spacing */
  --navbar-height: 64px;
  --border-radius: 8px;
  --transition-speed: 0.2s;
}

/* Dark theme variables (optional) */
[data-theme="dark"] {
  --primary-color: #e0e0e0;
  --secondary-color: #b3b3b3;
  --accent-color: #ffffff;
  --background-color: #121212;
  --surface-color: #1e1e1e;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-light: #8e8e93;
  --border-color: #404040;
  --hover-color: #2a2a2a;
  --shadow-color: rgba(255, 255, 255, 0.1);
  
  /* Dark theme notification colors */
  --success-color: #10b981;
  --error-color: #f87171;
  --warning-color: #fbbf24;
  --info-color: #60a5fa;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-speed),
    color var(--transition-speed);
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  backdrop-filter: blur(10px);
  transition: all var(--transition-speed);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-brand .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}

.logo-icon {
  color: var(--primary-color);
  transition: color var(--transition-speed);
}

.logo-text {
  transition: color var(--transition-speed);
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-speed);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -16px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all var(--transition-speed);
}

.theme-toggle:hover {
  background-color: var(--hover-color);
  color: var(--text-primary);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-speed);
}

.user-menu:hover {
  background-color: var(--hover-color);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

.username {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
}

/* Main Content */
.main-content {
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
}

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 80px 24px;
  background: linear-gradient(
    135deg,
    var(--surface-color) 0%,
    var(--background-color) 100%
  );
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 600px;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
  line-height: 1.2;
  transition: color var(--transition-speed);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.5;
  transition: color var(--transition-speed);
}

.action-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition-speed);
  text-decoration: none;
  font-family: inherit;
}

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

.btn-primary:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-color);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

/* Quotes Section (Static with Dots) */
.quotes-section {
  padding: 60px 0;
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.quotes-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  padding: 0 24px;
}

.quote-card {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.quote-card.active {
  display: block;
  opacity: 1;
}

.quote-text {
  font-size: 1.5rem;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.4;
}

.quote-author {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.quote-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.dot.active,
.dot:hover {
  background-color: var(--primary-color);
}

/* Content Sections */
.content-section {
  padding: 80px 0;
}

.content-section.alt-bg {
  background-color: var(--surface-color);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  transition: all var(--transition-speed);
  position: relative;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px var(--shadow-color);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.step-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin: 20px 0;
}

.step-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  transition: all var(--transition-speed);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px var(--shadow-color);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Use Cases Grid */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.use-case-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  transition: all var(--transition-speed);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px var(--shadow-color);
}

.use-case-image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 12px;
  background-color: var(--surface-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
}

.use-case-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.use-case-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.use-case-content ul {
  list-style: none;
  padding: 0;
}

.use-case-content li {
  color: var(--text-secondary);
  margin-bottom: 6px;
  position: relative;
  padding-left: 20px;
}

.use-case-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 600;
}

/* Call to Action */
.cta-section {
  text-align: center;
  padding: 60px 32px;
  border-radius: 12px;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
}

.cta-section h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
}

/* Form Pages Styling */
.form-container {
  max-width: 500px;
  margin: 80px auto;
  padding: 40px;
  background-color: var(--background-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 25px var(--shadow-color);
}

.form-header {
  text-align: center;
  margin-bottom: 40px;
}

.form-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.form-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.room-form {
  margin-bottom: 30px;
}

.room-form .form-group {
  margin-bottom: 24px;
}

.room-form select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  background-color: var(--background-color);
  color: var(--text-primary);
  transition: all var(--transition-speed);
  font-family: inherit;
}

.room-form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 74, 74, 0.1);
}

.form-note {
  text-align: center;
  padding: 16px;
  background-color: var(--surface-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.form-note p {
  color: var(--text-secondary);
  margin: 0;
}

.form-note i {
  color: var(--primary-color);
  margin-right: 8px;
}

/* Music Room Styling */
.room-code-display {
  background-color: var(--surface-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.room-stats {
  display: flex;
  gap: 24px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-item i {
  color: var(--primary-color);
}

.room-actions {
  display: flex;
  gap: 12px;
}

/* Music Section */
.music-section {
  margin-bottom: 120px; /* Space for footer player */
  padding: 0 24px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  margin-bottom: 24px;
  padding: 0 8px;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-header h2 i {
  color: var(--primary-color);
}

.music-queue {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background-color: var(--surface-color);
}

.empty-icon {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.empty-state h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Queue List - Make it scrollable */
.queue-list {
  max-height: 60vh;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Custom scrollbar */
.queue-list::-webkit-scrollbar {
  width: 8px;
}

.queue-list::-webkit-scrollbar-track {
  background: var(--surface-color);
  border-radius: 4px;
}

.queue-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.queue-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

.queue-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed);
  cursor: pointer;
}

.queue-item:hover {
  background-color: var(--surface-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.queue-item.playing {
  border-color: var(--primary-color);
  background-color: var(--surface-color);
}

.queue-item-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.song-icon {
  width: 48px;
  height: 48px;
  background-color: var(--surface-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary-color);
}

.queue-item.playing .song-icon {
  background-color: var(--primary-color);
  color: white;
}

.song-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.song-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.song-info small {
  font-size: 0.8rem;
  color: var(--text-light);
}

.song-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  font-size: 14px;
}

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

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

.delete-btn {
  background-color: var(--surface-color);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.delete-btn:hover {
  background-color: #e53e3e;
  color: white;
  border-color: #e53e3e;
}

/* Music Player Footer */
.music-player-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
  z-index: 999;
}

.global-progress-bar {
  width: 100%;
  height: 4px;
  background-color: var(--surface-color);
  cursor: pointer;
}

.global-progress-track {
  width: 100%;
  height: 100%;
  position: relative;
}

.global-progress-fill {
  height: 100%;
  background-color: var(--primary-color);
  width: 0%;
  transition: width 0.1s ease;
  border-radius: 0;
}

.global-progress-track:hover .global-progress-fill {
  background-color: var(--accent-color);
}

.player-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.now-playing {
  display: flex;
  align-items: center;
  gap: 12px;
}

.now-playing-icon {
  width: 48px;
  height: 48px;
  background-color: var(--surface-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.now-playing-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.now-playing-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.control-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background-color: var(--surface-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: 1px solid var(--border-color);
}

.control-btn:hover {
  background-color: var(--hover-color);
}

.play-pause-btn {
  width: 48px;
  height: 48px;
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.play-pause-btn:hover {
  background-color: var(--accent-color);
}

.player-time-volume {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.time-display {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 80px;
}

.time-separator {
  margin: 0 4px;
}

.volume-control {
  display: flex;
  align-items: center;
}

/* Old progress styling - keep for backward compatibility */
.player-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-track {
  flex: 1;
  height: 4px;
  background-color: var(--surface-color);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s ease;
}

/* Upload and Invite Modals */
.upload-form .form-group {
  margin-bottom: 20px;
}

.upload-form input[type="file"] {
  padding: 12px;
  border: 2px dashed var(--border-color);
  background-color: var(--surface-color);
}

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

.room-code-share {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
  padding: 16px;
  background-color: var(--surface-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.room-code-share span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 2px;
}

.invite-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
}

/* Upload Page Styling */
.upload-page {
  min-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px 24px;
}

.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.upload-card {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 8px 25px var(--shadow-color);
}

.upload-icon {
  text-align: center;
  margin-bottom: 32px;
}

.upload-icon i {
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.8;
}

.upload-form {
  margin-bottom: 32px;
}

.upload-form .form-group {
  margin-bottom: 24px;
}

.upload-form input[type="file"] {
  padding: 16px;
  border: 2px dashed var(--border-color);
  background-color: var(--surface-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.upload-form input[type="file"]:hover {
  border-color: var(--primary-color);
  background-color: var(--hover-color);
}

.upload-form input[type="file"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.optional {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 400;
}

.error-message {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #fee;
  border: 1px solid #fcc;
  color: #c33;
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 24px;
  font-weight: 500;
}

.error-message i {
  font-size: 1.1rem;
}

.upload-alternatives {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.divider {
  position: relative;
  margin: 24px 0;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
}

.divider span {
  background-color: var(--background-color);
  color: var(--text-secondary);
  padding: 0 16px;
  font-size: 0.9rem;
  position: relative;
}

.upload-alternatives p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.current-room-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background-color: var(--surface-color);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.current-room-info i {
  color: var(--primary-color);
}

.current-room-info strong {
  color: var(--primary-color);
  font-weight: 600;
}

.btn-full {
  width: 100%;
}

/* Responsive design for upload page */
@media (max-width: 768px) {
  .upload-page {
    padding: 40px 16px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .upload-card {
    padding: 24px;
  }

  .upload-icon i {
    font-size: 3rem;
  }
}

/* Success Page Styling */
.success-page {
  min-height: calc(100vh - 200px);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 24px;
}

.success-card {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 25px var(--shadow-color);
}

.success-icon {
  margin-bottom: 24px;
}

.success-icon i {
  font-size: 4rem;
  color: #22c55e;
  animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.success-card h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #22c55e;
  margin-bottom: 20px;
}

.music-animation {
  margin: 20px 0;
  animation: float 3s ease-in-out infinite;
}

.music-animation i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin: 0 8px;
  animation: bounce 1s ease-in-out infinite;
}

.music-animation i:nth-child(2) {
  animation-delay: 0.2s;
}

.music-animation i:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.success-message {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 24px 0;
  line-height: 1.6;
}

.success-details {
  background-color: var(--surface-color);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  padding: 20px;
  margin: 24px 0;
  text-align: left;
}

.success-details h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.success-details ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.success-details li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.success-details li:last-child {
  margin-bottom: 0;
}

.success-details li i {
  color: #22c55e;
  margin-top: 2px;
  flex-shrink: 0;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 32px 0 24px;
}

.action-buttons .btn {
  width: 100%;
}

.additional-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
  padding: 16px;
  background-color: var(--surface-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.additional-info i {
  color: var(--primary-color);
}

/* Responsive design for success page */
@media (max-width: 768px) {
  .success-page {
    padding: 40px 16px;
  }

  .success-card {
    padding: 24px;
  }

  .success-card h1 {
    font-size: 1.5rem;
  }

  .success-icon i {
    font-size: 3rem;
  }

  .action-buttons {
    flex-direction: column;
  }
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

/* When modal is shown via JavaScript */
.modal[style*="flex"] {
  display: flex !important;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--background-color);
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px var(--shadow-color);
  animation: modalSlideIn 0.3s ease-out;
  border: 1px solid var(--border-color);
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition-speed);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  background-color: var(--hover-color);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  background-color: var(--background-color);
  color: var(--text-primary);
  transition: all var(--transition-speed);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 74, 74, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-container {
    padding: 0 16px;
  }

  .hero-section {
    padding: 60px 16px;
    min-height: 60vh;
  }

  .action-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
  }

  .section-container {
    padding: 0 16px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .use-case-card {
    flex-direction: column;
    text-align: center;
  }

  .use-case-image {
    align-self: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .logo-text {
    font-size: 16px;
  }

  .quote-text {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .modal-content {
    width: 95%;
    margin: 16px;
  }

  .modal-header,
  .modal-body {
    padding: 16px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .nav-container {
    padding: 0 12px;
  }

  .content-section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .step-card,
  .feature-card {
    padding: 24px 16px;
  }

  .use-case-card {
    padding: 24px 16px;
  }

  .cta-section {
    padding: 40px 16px;
  }

  .cta-section h3 {
    font-size: 1.5rem;
  }
}

/* Loading States */
.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary:disabled:hover,
.btn-secondary:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .quote-track {
    animation: none;
  }

  * {
    transition: none;
  }

  .modal-content {
    animation: none;
  }
}

/* Focus styles for accessibility */
.nav-link:focus,
.theme-toggle:focus,
.btn-primary:focus,
.btn-secondary:focus,
.close-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Volume Control Styles */
.volume-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.volume-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
}

.volume-btn:hover {
  color: var(--text-primary);
  background-color: var(--hover-color);
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-speed);
}

.volume-slider:hover {
  background: var(--text-light);
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.volume-slider::-webkit-slider-thumb:hover {
  background: var(--accent-color);
  transform: scale(1.2);
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  transition: all var(--transition-speed);
}

.volume-slider::-moz-range-thumb:hover {
  background: var(--accent-color);
  transform: scale(1.2);
}

/* Dark theme adjustments for volume controls */
[data-theme="dark"] .volume-slider {
  background: #404040;
}

[data-theme="dark"] .volume-slider:hover {
  background: #606060;
}

[data-theme="dark"] .volume-slider::-webkit-slider-thumb {
  background: var(--primary-color);
}

[data-theme="dark"] .volume-slider::-moz-range-thumb {
  background: var(--primary-color);
}