/* Modal and Overlay Styles */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-bg);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Sheet (Slide-in) */
.modal-sheet {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: 500px;
    max-width: 90%;
    background: var(--modal-bg);
    backdrop-filter: blur(10px);
    box-shadow: -2px 0 20px rgba(0,0,0,0.2);
    transform: translateX(100%);
    transition: transform 0.3s;
    overflow-y: auto;
    z-index: 2001;
}

[data-theme="light"] .modal-sheet {
    box-shadow: -2px 0 20px rgba(0,0,0,0.1);
}

.modal-overlay.active .modal-sheet {
    transform: translateX(0);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--modal-bg);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    font-size: 18px;
}

.modal-close:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

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

/* Auth Modal (Center) */
.auth-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    max-width: 90%;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 2002;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.auth-modal.active {
    opacity: 1;
    visibility: visible;
}

.auth-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.auth-content {
    padding: var(--spacing-lg);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed);
}

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

/* Image Gallery in Modal */
.image-gallery {
    margin-bottom: var(--spacing-lg);
}

.main-image {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    cursor: zoom-in;
}

.thumbnail-strip {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
}

.thumbnail-strip img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.thumbnail-strip img:hover,
.thumbnail-strip img.active {
    border-color: var(--accent-color);
}

/* Modal Info */
.modal-info {
    display: grid;
    gap: var(--spacing-md);
}

.info-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
}

.info-value {
    color: var(--text-color);
    font-size: 14px;
}

.track-list {
    margin-top: var(--spacing-md);
}

.track-list h4 {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
}

.track-list ol {
    margin-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.track-list li {
    padding: var(--spacing-xs) 0;
    font-size: 13px;
}

/* Image Upload Area */
.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-speed);
    cursor: pointer;
    margin-bottom: var(--spacing-md);
}

.image-upload-area:hover {
    border-color: var(--accent-color);
    background: var(--hover-bg);
}

.image-upload-area.dragover {
    border-color: var(--accent-color);
    background: rgba(52, 152, 219, 0.1);
}

.uploaded-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.uploaded-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

.uploaded-image .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: var(--error-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.uploaded-image:hover .remove-btn {
    opacity: 1;
}