:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #121a2b;
    --bg-card: #1a2332;
    --bg-hover: #243447;
    --accent: #00d4ff;
    --accent-secondary: #7b2cbf;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;
    --border: #2d3748;
    --success: #48bb78;
    --danger: #f56565;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);
    --gradient-2: linear-gradient(135deg, #1a2332 0%, #121a2b 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    padding-bottom: 100px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 70px;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--accent);
}

.nav-auth {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-1);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    margin-top: 70px;
    padding: 40px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.page {
    display: none;
    animation: fadeIn 0.5s;
}

.page.active {
    display: block;
}

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

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 500px;
    margin-bottom: 60px;
    background: var(--gradient-2);
    border-radius: 30px;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.floating-cards {
    position: relative;
    height: 300px;
}

.float-card {
    position: absolute;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    animation: float 6s ease-in-out infinite;
}

.float-card:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 0;
    left: 20%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(123, 44, 191, 0.2));
    animation-delay: 0s;
}

.float-card:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 50px;
    left: 50%;
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.3), rgba(0, 212, 255, 0.1));
    animation-delay: 2s;
}

.float-card:nth-child(3) {
    width: 180px;
    height: 180px;
    top: 100px;
    left: 35%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(0, 212, 255, 0.15));
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.see-all {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Music Grid */
.music-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.music-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 16px;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
    animation: cardAppear 0.6s ease-out backwards;
}

.music-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.music-cover {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 12px;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.music-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 45px;
    height: 45px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    box-shadow: 0 8px 16px rgba(0, 212, 255, 0.4);
}

.music-card:hover .play-overlay {
    opacity: 1;
    transform: translateY(0);
}

.music-title {
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.music-artist {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.music-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.music-price {
    color: var(--accent);
    font-weight: 700;
}

.badge-free {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-paid {
    background: var(--accent-secondary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Player Bar */
.player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 90px;
    background: rgba(18, 26, 43, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 1000;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 25%;
}

.player-cover {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    object-fit: cover;
    background: var(--bg-secondary);
}

.player-title {
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.player-artist {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.control-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.control-btn:hover {
    color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
}

.play-btn {
    width: 50px;
    height: 50px;
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: 1.3rem;
}

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

.player-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 40%;
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

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

.player-extra {
    display: flex;
    gap: 16px;
    width: 25%;
    justify-content: flex-end;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    width: 90%;
    max-width: 450px;
    position: relative;
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.payment-modal {
    max-width: 500px;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

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

.auth-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.auth-tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    padding-bottom: 12px;
    cursor: pointer;
    position: relative;
}

.auth-tab.active {
    color: var(--accent);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.hidden {
    display: none !important;
}

/* Contact & Donate */
.contact-container, .donate-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.contact-form, .donate-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.donate-card {
    text-align: center;
}

.donate-card i {
    color: var(--accent);
    margin-bottom: 20px;
}

.amount-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 20px 0;
    flex-wrap: wrap;
}

.amount-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.amount-btn:hover, .amount-btn.active {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
}

.coming-soon {
    text-align: center;
    padding: 100px 20px;
    color: var(--text-secondary);
}

.coming-soon i {
    color: var(--accent);
    margin-bottom: 20px;
}

/* Payment */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.payment-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    color: var(--text-primary);
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.payment-btn:hover {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
}

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

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

.filters {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.social-links a:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Playlist Modal */
.playlist-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 8px;
    border: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 20px;
    }

    .nav-menu {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .main-content {
        padding: 20px;
    }

    .contact-container, .donate-container {
        grid-template-columns: 1fr;
    }

    .player-bar {
        padding: 0 20px;
    }

    .player-progress {
        display: none;
    }

    .player-info {
        width: 40%;
    }

    .player-extra {
        width: 15%;
    }

    .music-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

/* Animations */
@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}