/* Additional CSS enhancements for the music app */

/* Improved loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

/* Enhanced playlist item hover effects */
.playlist-item {
    position: relative;
    overflow: hidden;
}

.playlist-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.playlist-item:hover::before {
    left: 100%;
}

/* Improved form styling */
.form-input:focus {
    transform: translateY(-1px);
    box-shadow: 0 0 0 2px rgba(120, 87, 254, 0.2), 0 4px 12px rgba(0,0,0,0.1);
}

/* Enhanced notification animations */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.notification.removing {
    animation: slideOutRight 0.3s ease forwards;
}

/* Improved modal animations */
.modal {
    backdrop-filter: blur(10px);
}

.modal-content {
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Enhanced user menu */
.user-menu::before {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--card-bg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 999;
}

.user-dropdown.show + .user-menu::before {
    opacity: 1;
    visibility: visible;
}

/* Progress bar improvements */
.progress-bar {
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Improved volume slider */
.volume-slider::-webkit-slider-track {
    background: linear-gradient(90deg, var(--secondary), rgba(255, 255, 255, 0.2));
}

.volume-slider::-moz-range-track {
    background: linear-gradient(90deg, var(--secondary), rgba(255, 255, 255, 0.2));
}

/* Enhanced playlist count badge */
.playlist-count {
    position: relative;
    overflow: hidden;
}

.playlist-count::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* Improved tag hover effects */
.tag {
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.3s ease;
}

.tag:hover::before {
    left: 100%;
}

/* Enhanced like button animation */
@keyframes heartbeat {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.like-btn.liked {
    animation: heartbeat 0.6s ease;
}

.like-btn.liked i {
    color: var(--liked);
    text-shadow: 0 0 10px rgba(255, 71, 87, 0.5);
}

/* Improved example card effects */
.example-card {
    position: relative;
    overflow: hidden;
}

.example-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(120, 87, 254, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.example-card:hover::after {
    opacity: 1;
}

/* Enhanced search button */
.search-button {
    position: relative;
    overflow: hidden;
}

.search-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.3s ease;
}

.search-button:hover::before {
    left: 100%;
}

/* Improved scrollbar for webkit browsers */
.playlist::-webkit-scrollbar {
    width: 12px;
}

.playlist::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}

.playlist::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--secondary), var(--hover));
    border-radius: 6px;
    border: 2px solid rgba(255, 255, 255, 0.05);
}

.playlist::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--hover), var(--active));
}

/* Responsive improvements */
@media (max-width: 480px) {
    .modal {
        align-items: flex-start;
        padding: 1rem 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Better touch scrolling */
    body {
        -webkit-overflow-scrolling: touch;
    }
    
    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
        padding: 1rem !important;
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
        position: relative;
        margin-top: auto;
        margin-bottom: auto;
    }
    
    .user-dropdown {
        right: -10px;
        min-width: 180px;
    }
    
    .playlist-item-actions {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .like-btn, .playlist-btn {
        font-size: 0.9rem;
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Enhanced close button for mobile */
    .close-btn {
        min-width: 44px;
        min-height: 44px;
        font-size: 1.8rem !important;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1) !important;
        border-radius: 8px !important;
        position: relative;
        z-index: 10;
    }
    
    .modal-header {
        padding: 0 !important;
        margin-bottom: 1rem !important;
    }
    
    .modal-title {
        flex: 1;
        padding-right: 1rem;
    }
    
    /* Fix mobile header buttons layout */
    .header-top {
        padding: 0 1rem !important;
        gap: 1rem !important;
    }
    
    .auth-buttons {
        flex-wrap: wrap;
        gap: 0.5rem !important;
        justify-content: center;
        width: 100%;
        order: 2 !important;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem !important;
        font-size: 0.9rem !important;
        border-radius: 20px !important;
        white-space: nowrap;
        min-width: auto;
        flex-shrink: 0;
    }
    
    .nav-btn i {
        font-size: 0.9rem !important;
    }
    
    /* Make Sign In button more compact on mobile */
    .user-menu {
        margin-left: 0 !important;
    }
    
    /* Fix Sign In button text wrapping */
    .login-btn {
        white-space: nowrap !important;
        padding: 0.5rem 1rem !important;
        font-size: 0.9rem !important;
        display: inline-flex !important;
        align-items: center !important;
        gap: 0.5rem !important;
        min-width: max-content !important;
    }
}

/* Extra small mobile screens */
@media (max-width: 380px) {
    .nav-btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.85rem !important;
        gap: 0.4rem !important;
    }
    
    .auth-buttons {
        gap: 0.4rem !important;
    }
    
    .header-top {
        padding: 0 0.5rem !important;
    }
    
    .login-btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.85rem !important;
        gap: 0.4rem !important;
    }
    
    /* Progressive warning animations */
    @keyframes slideInRight {
        from {
            transform: translateX(100%);
            opacity: 0;
        }
        to {
            transform: translateX(0);
            opacity: 1;
        }
    }
    
    .progress-warning {
        position: fixed !important;
        top: 80px !important;
        right: 20px !important;
        max-width: 320px !important;
        z-index: 1100 !important;
    }
    
    /* Social proof and engagement animations */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.5; }
    }
    
    @keyframes achievementPop {
        0% {
            opacity: 0;
            transform: translate(-50%, -50%) scale(0.8);
        }
        100% {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }
    }
    
    /* Button styles for onboarding and modals */
    .btn-primary {
        background: linear-gradient(135deg, var(--secondary), var(--hover)) !important;
        border: none !important;
        color: white !important;
        padding: 0.8rem 1.5rem !important;
        border-radius: 25px !important;
        cursor: pointer !important;
        font-weight: 600 !important;
        font-size: 1rem !important;
        transition: transform 0.2s ease !important;
    }
    
    .btn-primary:hover {
        transform: translateY(-2px) !important;
    }
    
    .btn-primary:disabled {
        opacity: 0.6 !important;
        cursor: not-allowed !important;
        transform: none !important;
    }
    
    .btn-secondary {
        background: transparent !important;
        border: 2px solid rgba(255, 255, 255, 0.3) !important;
        color: var(--text) !important;
        padding: 0.8rem 1.5rem !important;
        border-radius: 25px !important;
        cursor: pointer !important;
        font-weight: 500 !important;
        font-size: 1rem !important;
        transition: all 0.2s ease !important;
    }
    
    .btn-secondary:hover {
        border-color: var(--secondary) !important;
        background: rgba(120, 87, 254, 0.1) !important;
    }
    
    /* Fix tags being cut off */
    .tag {
        padding: 0.4rem 0.6rem !important;
        font-size: 0.8rem !important;
        min-width: fit-content !important;
    }
    
    .tags-scroll {
        overflow-x: auto !important;
        padding-bottom: 0.8rem !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    .tags-container {
        margin-bottom: 1rem !important;
    }
    
    /* Improve playlist tracks on mobile */
    .playlist-item {
        padding: 1rem 0.8rem !important;
        min-height: 70px !important;
        gap: 0.8rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    }
    
    .playlist-item-thumbnail {
        width: 50px !important;
        height: 50px !important;
        flex-shrink: 0 !important;
    }
    
    .playlist-item-info {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .playlist-item-title {
        font-size: 0.95rem !important;
        line-height: 1.3 !important;
        margin-bottom: 0.2rem !important;
    }
    
    .playlist-item-artist {
        font-size: 0.85rem !important;
        opacity: 0.8 !important;
    }
    
    .playlist-item-actions {
        gap: 0.8rem !important;
        flex-shrink: 0 !important;
    }
    
    .playlist-item-actions .like-btn,
    .playlist-item-actions .playlist-btn {
        min-width: 36px !important;
        min-height: 36px !important;
        padding: 0.4rem !important;
    }
    
    .playlist-item-number {
        font-size: 0.9rem !important;
        min-width: 20px !important;
    }
    
    .playlist-item-duration {
        font-size: 0.8rem !important;
        min-width: 35px !important;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #0a0a0f;
        --card-bg: #1a1a25;
        --tag-bg: #252540;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}