/* Loading Spinner */
.loader {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #26A69A;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Image Slider */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.slider-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.slider-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn-left {
    left: 20px;
}

.slider-btn-right {
    right: 20px;
}

/* Card Hover Effects */
.song-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.song-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Sidebar Animation */
.sidebar {
    transition: transform 0.3s ease-in-out;
}

.sidebar-hidden {
    transform: translateX(-100%);
}

@media (min-width: 1024px) {
    .sidebar-hidden {
        transform: translateX(0);
    }
}

/* Modal Animations */
.modal-backdrop {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    animation: slideDown 0.3s ease;
}

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

/* Table Overflow */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.table-container::-webkit-scrollbar-thumb {
    background: #26A69A;
    border-radius: 10px;
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: #1e8a7f;
}

/* Drag and Drop Area */
.drop-area {
    border: 2px dashed #26A69A;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.drop-area.drag-over {
    background: #e0f2f1;
    border-color: #1e8a7f;
    transform: scale(1.02);
}

/* Image Preview Grid */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.preview-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.preview-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #EF5350;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s ease;
}

.preview-remove:hover {
    background: #D32F2F;
    transform: scale(1.1);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #26A69A, #0288D1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(38, 166, 154, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 12px 30px rgba(38, 166, 154, 0.6);
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #26A69A, #0288D1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Canvas Container */
.canvas-container {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}