/* Custom CSS for Music Management System */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

body {
    padding-bottom: 120px; /* Space for fixed player */
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* Cards */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Song Cards */
.song-card {
    position: relative;
    background: white;
    margin-bottom: 20px;
}

.song-card .card-img-top {
    height: 200px;
    object-fit: cover;
}

.song-card .play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.song-card:hover .play-overlay {
    opacity: 1;
}

.play-btn {
    background: var(--primary-color);
    border: none;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    transition: transform 0.2s ease;
}

.play-btn:hover {
    transform: scale(1.1);
    background: var(--primary-color);
    color: white;
}

/* Fixed Audio Player */
.fixed-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px 0;
    z-index: 1050;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.player-cover {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    object-fit: cover;
}

.player-controls button {
    border: none;
    background: none;
    font-size: 1.2rem;
}

.player-controls .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
}

.progress {
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
}

.progress-bar {
    background: white;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23667eea"/><stop offset="100%" stop-color="%23764ba2"/></radialGradient></defs><rect fill="url(%23a)" width="100%" height="100%"/></svg>');
    background-size: cover;
    color: white;
    padding: 100px 0;
    text-align: center;
    margin-bottom: 50px;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    color: white;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Featured Section */
.featured-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 50px;
}

/* Genre Cards */
.genre-card {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    color: white;
    text-align: center;
    padding: 30px 20px;
    border-radius: 15px;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.genre-card:hover {
    transform: translateY(-10px);
    color: white;
    text-decoration: none;
}

.genre-card i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

/* Forms */
.form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn {
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, var(--primary-color));
    transform: translateY(-2px);
}

/* Search Results */
.search-results {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
}

/* Admin Panel */
.admin-sidebar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    height: fit-content;
}

.admin-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
}

/* Statistics Cards */
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-card i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    .fixed-player {
        padding: 10px 0;
    }
    
    .fixed-player .col-md-3:last-child {
        display: none;
    }
    
    .player-cover {
        width: 50px;
        height: 50px;
    }
    
    body {
        padding-bottom: 100px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Loading Spinner */
.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid white;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}