/**
 * 태그 네트워크 시각화 스타일
 * BEM 방법론 적용
 */

/* ==========================================================================
   태그 네트워크 컨테이너
   ========================================================================== */

.tag-network {
    width: 100%;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tag-network__header {
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.tag-network__title {
    font-size: 24px;
    font-weight: bold;
    margin: 0 0 10px 0;
}

.tag-network__description {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
}

/* 필터 컨트롤 */
.tag-network__controls {
    padding: 15px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.tag-network__control-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.tag-network__control-label {
    font-size: 14px;
    font-weight: 500;
    color: #495057;
}

.tag-network__select {
    padding: 6px 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s ease-in-out;
}

.tag-network__select:hover {
    border-color: #80bdff;
}

.tag-network__select:focus {
    outline: none;
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.tag-network__button {
    padding: 6px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.tag-network__button--primary {
    background: #007bff;
    color: #fff;
}

.tag-network__button--primary:hover {
    background: #0056b3;
}

.tag-network__button--secondary {
    background: #6c757d;
    color: #fff;
}

.tag-network__button--secondary:hover {
    background: #545b62;
}

/* 시각화 영역 */
.tag-network__visualization {
    padding: 20px;
    background: #fff;
    position: relative;
    min-height: 600px;
}

.tag-network__svg-container {
    width: 100%;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    overflow: hidden;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
}

/* 통계 패널 */
.tag-network__stats {
    display: flex;
    gap: 20px;
    padding: 15px 20px;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    flex-wrap: wrap;
}

.tag-network__stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tag-network__stat-label {
    font-size: 12px;
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-network__stat-value {
    font-size: 24px;
    font-weight: bold;
    color: #495057;
}

.tag-network__stat-value--primary {
    color: #007bff;
}

.tag-network__stat-value--success {
    color: #28a745;
}

.tag-network__stat-value--info {
    color: #17a2b8;
}

.tag-network__stat-value--warning {
    color: #ffc107;
}

/* 선택된 태그 목록 */
.tag-network__selected-tags {
    padding: 15px 20px;
    background: #fff3cd;
    border-bottom: 1px solid #ffeeba;
    display: none;
}

.tag-network__selected-tags--visible {
    display: block;
    animation: slideInFromTop 0.3s ease;
}

.tag-network__selected-tags-title {
    font-size: 14px;
    font-weight: 600;
    color: #856404;
    margin: 0 0 10px 0;
}

.tag-network__selected-tags-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag-network__selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: #fff;
    border: 1px solid #ffc107;
    border-radius: 16px;
    font-size: 13px;
    color: #856404;
    animation: slideInTag 0.3s ease;
}

.tag-network__selected-tag-remove {
    cursor: pointer;
    font-weight: bold;
    color: #856404;
    opacity: 0.7;
    transition: opacity 0.15s ease-in-out;
}

.tag-network__selected-tag-remove:hover {
    opacity: 1;
}

/* 애니메이션 정의 */
@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInTag {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 로딩 상태 */
.tag-network__loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.tag-network__loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.tag-network__loading-text {
    margin-top: 15px;
    font-size: 14px;
    color: #6c757d;
}

/* 에러 상태 */
.tag-network__error {
    padding: 20px;
    text-align: center;
    color: #721c24;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
}

.tag-network__error-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.tag-network__error-message {
    font-size: 16px;
    margin: 0;
}

/* 범례 스타일 (SVG 내부) */
.tag-network-legend {
    pointer-events: none;
}

.tag-network-legend text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 노드 & 링크 스타일 (SVG) */
.tag-network-node circle {
    transition: stroke 0.2s ease-in-out, stroke-width 0.2s ease-in-out;
}

.tag-network-node:hover circle {
    stroke: #FFD700;
    stroke-width: 3;
}

.tag-network-link {
    transition: stroke-opacity 0.2s ease-in-out;
}

/* 추천 패널 (좌측 상단) */
.tag-network__recommendation-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 320px;
    max-height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 100;
    overflow: hidden;
    animation: slideInFromLeft 0.3s ease;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tag-network__recommendation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.tag-network__recommendation-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
}

.tag-network__recommendation-close {
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tag-network__recommendation-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.tag-network__recommendation-list {
    max-height: 380px;
    overflow-y: auto;
    padding: 8px;
}

/* 스크롤바 스타일 */
.tag-network__recommendation-list::-webkit-scrollbar {
    width: 6px;
}

.tag-network__recommendation-list::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.tag-network__recommendation-list::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.tag-network__recommendation-list::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.tag-network__recommendation-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    animation: fadeInItem 0.3s ease;
}

@keyframes fadeInItem {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tag-network__recommendation-item:hover {
    background: #f8f9fa;
    transform: translateX(4px);
}

.tag-network__recommendation-image {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    background: #e9ecef;
}

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

.tag-network__recommendation-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #adb5bd;
}

.tag-network__recommendation-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.tag-network__recommendation-product-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #212529;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.tag-network__recommendation-price {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: #667eea;
}

.tag-network__recommendation-footer {
    padding: 12px 16px;
    border-top: 1px solid #e9ecef;
}

.tag-network__recommendation-more {
    width: 100%;
    padding: 10px;
    border: 1px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-network__recommendation-more:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .tag-network__controls {
        flex-direction: column;
        align-items: stretch;
    }

    .tag-network__control-group {
        flex-direction: column;
        align-items: stretch;
    }

    .tag-network__stats {
        justify-content: space-between;
    }

    .tag-network__stat-item {
        flex: 1;
        min-width: 100px;
    }

    .tag-network__visualization {
        padding: 10px;
        min-height: 400px;
    }

    .tag-network__recommendation-panel {
        width: calc(100% - 40px);
        max-height: 400px;
    }
}

/* 태그 정보 툴팁 */
.tag-network__tooltip {
    position: absolute;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    z-index: 1000;
}

.tag-network__tooltip--visible {
    opacity: 1;
}

.tag-network__tooltip-title {
    font-weight: bold;
    margin-bottom: 4px;
}

.tag-network__tooltip-detail {
    font-size: 12px;
    opacity: 0.9;
}

/* 필터 모드 토글 */
.tag-network__filter-mode {
    display: inline-flex;
    border: 1px solid #ced4da;
    border-radius: 4px;
    overflow: hidden;
}

.tag-network__filter-mode-button {
    padding: 6px 16px;
    border: none;
    background: #fff;
    color: #495057;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tag-network__filter-mode-button:not(:last-child) {
    border-right: 1px solid #ced4da;
}

.tag-network__filter-mode-button--active {
    background: #007bff;
    color: #fff;
}

.tag-network__filter-mode-button:hover:not(.tag-network__filter-mode-button--active) {
    background: #f8f9fa;
}

/* 로딩 상태 버튼 */
.tag-network__filter-mode-button--loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.tag-network__filter-mode-button--loading::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* 필터 개수 배지 */
.tag-network__filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.tag-network__filter-mode-button--active .tag-network__filter-count {
    background: rgba(255, 255, 255, 0.25);
}

/* 위치 표시 배지 (우리동네) */
.tag-network__location-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 16px;
    font-size: 13px;
    color: #0056b3;
    font-weight: 500;
}

.tag-network__location-badge-icon {
    font-size: 14px;
}

/* 줌 컨트롤 */
.tag-network__zoom-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

.tag-network__zoom-button {
    width: 36px;
    height: 36px;
    border: 1px solid #ced4da;
    background: white;
    border-radius: 4px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tag-network__zoom-button:hover {
    background: #f8f9fa;
    border-color: #007bff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.tag-network__zoom-button:active {
    transform: scale(0.95);
}

.tag-network__zoom-level {
    width: 36px;
    height: 24px;
    background: white;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 11px;
    text-align: center;
    line-height: 22px;
    color: #495057;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 색상 커스터마이징 */
.tag-network__color-controls {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    background: white;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #ced4da;
}

.tag-network__color-control {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.tag-network__color-label {
    font-size: 11px;
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-network__color-picker {
    width: 40px;
    height: 32px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-network__color-picker:hover {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.tag-network__color-reset {
    padding: 4px 10px;
    font-size: 11px;
    border: 1px solid #ced4da;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-network__color-reset:hover {
    background: #f8f9fa;
    border-color: #007bff;
}

.tag-network__opacity-slider {
    width: 80px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, transparent, #007bff);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.tag-network__opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #007bff;
    border: 2px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.tag-network__opacity-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #007bff;
    border: 2px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.tag-network__opacity-value {
    font-size: 12px;
    color: #495057;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}