/**
 * 레이어 패널 전용 스타일
 * layers-panel.jsp 전용 CSS
 */

/* 레이어 패널 기본 스타일 */
.layers-panel {
    padding: 1rem;
    background-color: white;
    height: 100%;
    overflow-y: auto;
}

/* 패널 헤더 */
.layers-panel-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 1rem;
}

.layers-panel-title {
    font-weight: 600;
    color: #111827;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.layers-panel-description {
    color: #6b7280;
    font-size: 0.875rem;
}

/* 레이어 컨트롤 */
.layer-controls {
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.add-layer-btn {
    padding: 0.5rem 1rem;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.add-layer-btn:hover {
    background-color: #2563eb;
}

.layer-filter {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.layer-filter:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 레이어 그룹 */
.layer-groups {
    margin-bottom: 1rem;
}

.layer-group {
    margin-bottom: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    overflow: hidden;
}

.layer-group:last-child {
    margin-bottom: 0;
}

.layer-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background-color: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.layer-group-header:hover {
    background-color: #f3f4f6;
}

.layer-group-title {
    font-weight: 500;
    color: #111827;
    font-size: 0.875rem;
}

.layer-group-toggle {
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

.layer-group-toggle:hover {
    background-color: #e5e7eb;
    color: #374151;
}

.layer-group-toggle.collapsed {
    transform: rotate(-90deg);
}

/* 레이어 목록 */
.layer-list {
    background-color: white;
}

.layer-list.collapsed {
    display: none;
}

.layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-bottom: 1px solid #f3f4f6;
    transition: background-color 0.2s ease;
}

.layer-item:hover {
    background-color: #f9fafb;
}

.layer-item:last-child {
    border-bottom: none;
}

.layer-info {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 0.75rem;
}

.layer-visibility {
    display: flex;
    align-items: center;
}

.layer-visibility-toggle {
    cursor: pointer;
    transform: scale(1.1);
}

.layer-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: #6b7280;
    flex-shrink: 0;
}

.layer-details {
    flex: 1;
    min-width: 0;
}

.layer-name {
    font-weight: 500;
    color: #111827;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    word-break: break-word;
}

.layer-meta {
    display: flex;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #6b7280;
}

.layer-type {
    background-color: #f3f4f6;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

/* 레이어 액션 */
.layer-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.layer-action-btn {
    padding: 0.25rem;
    background: none;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s ease;
}

.layer-action-btn:hover {
    background-color: #f9fafb;
    color: #374151;
}

.layer-settings-btn {
    border-color: #3b82f6;
    color: #3b82f6;
}

.layer-settings-btn:hover {
    background-color: #eff6ff;
}

.layer-zoom-btn {
    border-color: #10b981;
    color: #10b981;
}

.layer-zoom-btn:hover {
    background-color: #ecfdf5;
}

.layer-remove-btn {
    border-color: #ef4444;
    color: #ef4444;
}

.layer-remove-btn:hover {
    background-color: #fef2f2;
}

/* 투명도 슬라이더 */
.layer-opacity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: #f9fafb;
    border-radius: 0.25rem;
}

.layer-opacity-label {
    font-size: 0.75rem;
    color: #6b7280;
    min-width: 3rem;
}

.layer-opacity-slider {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: #e5e7eb;
    outline: none;
    cursor: pointer;
}

.layer-opacity-slider::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
}

.layer-opacity-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
}

.layer-opacity-value {
    font-size: 0.75rem;
    color: #6b7280;
    min-width: 2rem;
    text-align: right;
}

/* 빈 상태 */
.layers-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: #6b7280;
}

.layers-empty .icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    color: #d1d5db;
}

.layers-empty .title {
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.layers-empty .description {
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.layers-empty .action {
    background-color: #3b82f6;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.layers-empty .action:hover {
    background-color: #2563eb;
}

/* 드래그 앤 드롭 */
.layer-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.layer-list.drag-over {
    background-color: #eff6ff;
    border: 2px dashed #3b82f6;
}

/* 로딩 상태 */
.layers-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.layers-loading .spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid #e5e7eb;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

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


/* 컴팩트 모드 */
.layers-panel.compact .layer-item {
    padding: 0.5rem;
}

.layers-panel.compact .layer-name {
    font-size: 0.8rem;
}

.layers-panel.compact .layer-meta {
    font-size: 0.7rem;
}

.layers-panel.compact .layer-opacity {
    margin-top: 0.25rem;
    padding: 0.25rem;
}