/* Waterfall Size Dropdown Styles */
.waterfall-size-dropdown {
    position: fixed;
    background: var(--card-background, #ffffff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 320px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
}

.waterfall-size-dropdown.show {
    opacity: 1;
    transform: translateY(0);
}

.waterfall-size-dropdown.hiding {
    opacity: 0;
    transform: translateY(-10px);
}

/* Header */
.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    background: var(--surface-background, #f8f9fa);
    border-radius: 8px 8px 0 0;
}

.dropdown-header > span {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary, #333333);
    margin-left: 8px;
}

.dropdown-header .fa-image {
    color: var(--primary-color, #007acc);
    font-size: 16px;
}

.close-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-secondary, #666666);
    font-size: 12px;
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.close-btn:hover {
    background: var(--hover-background, #f0f0f0);
    color: var(--text-primary, #333333);
}

/* Size Options Container */
.size-options-container {
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

/* Individual Size Option */
.size-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--surface-background, #f8f9fa);
    position: relative;
}

.size-option:last-child {
    margin-bottom: 0;
}

.size-option:hover,
.size-option.hover {
    background: var(--hover-background, #e8f4fd);
    border-color: var(--primary-color-light, #c4e4ff);
    transform: translateY(-1px);
}

.size-option.active {
    background: var(--primary-background, #e8f4fd);
    border-color: var(--primary-color, #007acc);
    box-shadow: 0 2px 8px rgba(0, 122, 204, 0.15);
}

/* Option Preview */
.option-preview {
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image {
    background: var(--border-color, #e0e0e0);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary, #666666);
    font-size: 12px;
    transition: all 0.2s ease;
}

.size-option:hover .preview-image,
.size-option.active .preview-image {
    background: var(--primary-color-light, #c4e4ff);
    color: var(--primary-color, #007acc);
}

/* Option Info */
.option-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.option-label {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary, #333333);
    line-height: 1.2;
}

.option-description {
    font-size: 13px;
    color: var(--text-secondary, #666666);
    line-height: 1.3;
}

.option-size {
    font-size: 12px;
    color: var(--text-tertiary, #888888);
    font-family: var(--font-mono, 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace);
    margin-top: 2px;
}

/* Check Mark for Active Option */
.option-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--success-color, #28a745);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    animation: checkIn 0.2s ease;
}

@keyframes checkIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .waterfall-size-dropdown {
        width: calc(100vw - 32px);
        max-width: 320px;
    }
    
    .size-option {
        padding: 10px 12px;
    }
    
    .option-preview {
        margin-right: 12px;
    }
    
    .dropdown-header {
        padding: 12px 16px;
    }
    
    .size-options-container {
        padding: 12px;
    }
}

/* Dark Theme Support - Use data-theme attribute only */
:root[data-theme="dark"] .waterfall-size-dropdown {
    background: var(--card-background, #2d2d2d);
    border-color: var(--border-color, #444444);
    color: var(--text-primary, #ffffff);
}

:root[data-theme="dark"] .dropdown-header {
    background: var(--surface-background, #383838);
    border-bottom-color: var(--border-color, #444444);
}

:root[data-theme="dark"] .size-option {
    background: var(--surface-background, #383838);
}

:root[data-theme="dark"] .size-option:hover,
:root[data-theme="dark"] .size-option.hover {
    background: var(--hover-background, #404040);
}

:root[data-theme="dark"] .size-option.active {
    background: var(--primary-background, #1a4a6b);
}

:root[data-theme="dark"] .preview-image {
    background: var(--border-color, #444444);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .waterfall-size-dropdown {
        border-width: 2px;
    }
    
    .size-option {
        border-width: 2px;
    }
    
    .size-option.active {
        border-width: 3px;
    }
}