/**
 * Metronome Tab Styles for ChoristerCorner
 * Tab-specific styles for the Metronome tab content only
 * Global styles are in styles.css
 */

/* === METRONOME CONTAINER === */
.metronome-wrapper {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease-out;
}

/* === METRONOME HEADER === */
.metronome-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.metronome-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.metronome-header .header-icon {
  color: var(--color-primary);
  font-size: 2.5rem;
}

.metronome-header p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === METRONOME EMBED === */
.metronome-embed-container {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}

.metronome-iframe-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 75%; /* 4:3 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-gray-50);
}

.metronome-iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-lg);
}

/* === INSTRUCTIONS SECTION === */
.metronome-instructions {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.metronome-instructions h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.metronome-instructions ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.metronome-instructions li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-light);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.metronome-instructions li i {
  color: var(--color-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* === FEATURES GRID === */
.metronome-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--color-gray-200);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.feature-card i {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-light);
  line-height: 1.5;
}

/* === LOADING STATE === */
.metronome-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: var(--color-text-light);
}

.metronome-loading i {
  font-size: 3rem;
  animation: pulse 2s infinite;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .metronome-wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .metronome-header h1 {
    font-size: 2rem;
  }
  
  .metronome-header p {
    font-size: 1rem;
  }
  
  .metronome-embed-container {
    padding: var(--spacing-md);
  }
  
  .metronome-iframe-wrapper {
    padding-bottom: 100%; /* Square on mobile */
  }
  
  .metronome-features {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .metronome-instructions {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .metronome-header h1 {
    font-size: 1.75rem;
  }
  
  .feature-card {
    padding: var(--spacing-md);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}