/**
 * Composants UI
 * Règle 14 : Composants réutilisables
 */

/* === Boutons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: var(--white);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* === Cards === */
.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(var(--blur-lg));
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

.card-header {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: 0;
}

.card-body {
    padding: var(--spacing-md) 0;
}

/* === Badge === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.badge-success {
    background: var(--success);
    color: var(--white);
}

.badge-warning {
    background: var(--warning);
    color: var(--dark);
}

.badge-danger {
    background: var(--danger);
    color: var(--white);
}

.badge-info {
    background: var(--info);
    color: var(--white);
}

/* === Inputs === */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--light);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    background: rgba(255, 255, 255, 0.15);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* === Alert === */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(46, 204, 113, 0.1);
    border-color: var(--success);
    color: var(--success-light);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    border-color: var(--warning);
    color: var(--warning-light);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border-color: var(--danger);
    color: var(--danger-light);
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    border-color: var(--info);
    color: var(--info-light);
}

/* === Loading Spinner === */
.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === Live Badge === */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--danger);
    color: var(--white);
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-glow);
}

.live-indicator {
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* === Album Cover === */
.album-cover {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    transition: all var(--transition-slow);
}

.album-cover-rotating {
    animation: rotate 20s linear infinite;
}

.album-cover-rotating:hover {
    animation-play-state: paused;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* === Audio Visualizer === */
.audio-visualizer {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
    height: 60px;
    margin-top: var(--spacing-lg);
}

.visualizer-bar {
    width: 6px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    animation: visualize 1s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.1s);
    height: var(--h, 50%);
}

@keyframes visualize {
    0%, 100% {
        transform: scaleY(0.5);
        opacity: 0.5;
    }
    50% {
        transform: scaleY(1);
        opacity: 1;
    }
}

/* === Table === */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.table tbody td {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

/* === Modal === */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(var(--blur-md));
    z-index: var(--z-modal-backdrop);
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background: var(--gradient-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    animation: modalSlideIn var(--transition-base);
}

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

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
}

/* === Tab Groups === */
.tab-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.tab-group .btn {
    min-width: 180px;
}

@media (max-width: 600px) {
    .tab-group {
        gap: var(--spacing-sm);
    }

    .tab-group .btn {
        flex: 1 1 calc(50% - var(--spacing-sm));
        min-width: 0;
    }
}

/* === Alphabet Filter === */
.alphabet-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.alphabet-filter .btn {
    min-width: 42px;
    justify-content: center;
}

@media (max-width: 600px) {
    .alphabet-filter {
        gap: var(--spacing-xs);
    }

    .alphabet-filter .btn {
        flex: 1 0 calc(12.5% - var(--spacing-xs));
        min-width: 0;
        padding-left: 0;
        padding-right: 0;
    }
}

/* === Glow Text Effect === */
.glow-text {
    text-shadow: 0 0 10px rgba(255, 107, 53, 0.5),
                 0 0 20px rgba(255, 107, 53, 0.3),
                 0 0 30px rgba(255, 107, 53, 0.2);
}

/* === Hover Lift Effect === */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
}

/* Fix: cards plus visibles sur fond sombre */
.stats-grid .card,
.features-grid .card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.stats-grid .card h3,
.features-grid .card h3 {
    color: #fff;
}

.stats-grid .card p,
.features-grid .card p {
    color: rgba(255, 255, 255, 0.8);
}

/* Fix: section title visible */
.section-title {
    color: #fff;
}

/* Fix: table visible */
.table thead th {
    color: var(--primary);
    background: rgba(0, 0, 0, 0.2);
}
.table tbody td {
    color: rgba(255, 255, 255, 0.9);
}