/* ==========================================
   素材库页面 - Apple风格两层结构
   ========================================== */

/* Hero Section - 黑色背景 */
.material-hero {
    background: var(--color-black);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px 40px;
    text-align: center;
}

.material-hero-title {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 600;
    line-height: 1.1;
    color: var(--text-white);
    margin-bottom: 8px;
}

.material-hero-subtitle {
    font-family: var(--font-display);
    font-size: 17px;
    color: var(--text-white);
    opacity: 0.8;
}

/* 主内容区 - 浅灰背景 */
.material-main {
    background: var(--color-light-gray);
    padding: 40px 20px 80px;
    min-height: 70vh;
}

.material-content {
    max-width: 980px;
    margin: 0 auto;
}

/* ========== 登录区域 ========== */

.login-section {
    display: flex;
    justify-content: center;
}

.login-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-title {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.login-input {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    outline: none;
    margin-bottom: 16px;
}

.login-input:focus {
    box-shadow: 0 0 0 2px var(--color-apple-blue);
}

.login-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-white);
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.login-btn:hover {
    background: #0077ed;
}

/* ========== 素材库内容区 ========== */

.material-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: hidden;
}

/* 面包屑导航 */
.breadcrumb-nav {
    padding: 16px 24px;
    background: var(--color-near-black);
    display: flex;
    align-items: center;
}

.breadcrumb-item {
    font-family: var(--font-text);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--color-link-dark);
}

.breadcrumb-item.active {
    color: var(--text-white);
    font-weight: 600;
    cursor: default;
}

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 12px;
}

/* 层级内容 */
.material-level {
    padding: 24px;
}

/* ========== 第一层：公司文件夹 ========== */

.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.folder-card {
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.folder-card:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.folder-icon-large {
    font-size: 48px;
}

.folder-info {
    text-align: center;
}

.folder-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.folder-count {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.no-data {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 40px;
}

/* ========== 第二层：产品素材列表 ========== */

.material-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.material-card {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
}

.material-card:hover {
    background: rgba(0, 0, 0, 0.1);
}

.material-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    margin-right: 16px;
}

.material-thumb-placeholder {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 16px;
}

.material-info {
    flex: 1;
}

.material-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.material-meta {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.material-actions {
    display: flex;
    gap: 8px;
}

.use-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.use-btn:hover {
    background: #0077ed;
}

/* 添加新素材按钮 */
.add-material-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background: var(--color-white);
    border: 2px dashed rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 12px;
}

.add-material-card:hover {
    background: var(--color-light-gray);
    border-color: var(--color-apple-blue);
}

.add-icon {
    font-size: 24px;
    color: var(--color-apple-blue);
}

.add-text {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ========== 弹窗样式 ========== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--color-near-black);
    flex-shrink: 0;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-white);
}

.modal-close {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.8);
    background: none;
    border: none;
    cursor: pointer;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-footer {
    padding: 16px 24px;
    background: var(--color-light-gray);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-shrink: 0;
}

.use-material-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
}

.save-material-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

/* 弹窗内详情区域 */
.detail-section {
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.image-upload-area {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
}

.image-upload-area img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-icon {
    font-size: 32px;
}

.upload-placeholder p {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}

/* 白底图网格 */
.product-images-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.product-image-item {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-light-gray);
}

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

.product-image-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.2s;
}

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

.add-product-btn {
    margin-top: 12px;
    padding: 8px 16px;
    background: var(--color-light-gray);
    border: 1px solid #d1d1d6;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    color: var(--color-apple-blue);
    transition: background 0.2s;
}

.add-product-btn:hover {
    background: #e8e8ed;
}

.ref-images-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.ref-image-item {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

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

.ref-image-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 12px;
}

.add-ref-btn, .add-doc-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--color-apple-blue);
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-top: 12px;
}

.documents-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.doc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-light-gray);
    border-radius: var(--radius-sm);
}

.doc-icon {
    font-size: 20px;
}

.doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.doc-item .remove-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-tertiary);
    border: none;
    cursor: pointer;
    font-size: 12px;
}

/* ========== 空状态 ========== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.empty-text {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-link {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    text-decoration: none;
}

.empty-link:hover {
    text-decoration: underline;
}

/* ========== 响应式 ========== */

@media (max-width: 768px) {
    .folder-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .folder-icon-large {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .material-hero-title {
        font-size: 28px;
    }

    .folder-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 24px;
    }

    .modal-content {
        width: 95%;
    }
}

/* ========== 添加新素材弹窗 ========== */

.add-material-content {
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.add-material-content .modal-body {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.add-material-content .form-input {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-light-gray);
    outline: none;
}

.add-material-content .form-input:focus {
    box-shadow: 0 0 0 2px var(--color-apple-blue);
}

.add-material-content .modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.add-material-content .cancel-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.add-material-content .save-btn {
    font-family: var(--font-text);
    font-size: 17px;
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
}

/* 文档列表样式 */
.add-material-content .documents-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.add-material-content .doc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.add-material-content .doc-icon {
    font-size: 20px;
}

.add-material-content .doc-name {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
}

.add-material-content .doc-size {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
}

.add-material-content .doc-item .remove-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-tertiary);
    border: none;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-material-content .add-doc-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--color-apple-blue);
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-apple-blue);
    border-radius: var(--radius-md);
    cursor: pointer;
    width: 100%;
}

/* ========== 搜索栏样式 ========== */

.search-bar-section {
    padding: 20px 24px;
    background: var(--color-near-black);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-icon {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.search-input {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    flex: 1;
    outline: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-input:focus {
    background: rgba(255, 255, 255, 0.15);
}

.search-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
}

.clear-search-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
}

.search-results-info {
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#search-results-count {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========== 继续创作按钮样式 ========== */

.continue-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-apple-blue);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.continue-btn:hover {
    background: #0077ed;
}

.add-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: background 0.2s;
}

.add-btn:hover {
    background: var(--color-light-gray);
}

.delete-btn {
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--text-white);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: #ff3b30;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.delete-btn:hover {
    background: #d62d20;
}

/* 搜索结果卡片样式 */
.search-result-card .material-company {
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--text-tertiary);
    display: block;
    margin-top: 4px;
}
/* ========== 公司设置区域 ========== */

.company-settings-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.company-info-header {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    justify-content: space-between;
}

.company-name-display {
    font-family: var(--font-text);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.company-settings-btn {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-light-gray);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.company-settings-btn:hover {
    background: #e5e5e5;
}

/* 公司设置弹窗 */
.company-settings-content {
    max-width: 500px;
}

.logo-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
    border-radius: var(--radius-lg);
    background: var(--color-light-gray);
    border: 2px dashed var(--color-border);
    cursor: pointer;
    transition: all 0.2s;
    margin: 0 auto;
}

.logo-upload-area:hover {
    background: var(--color-white);
    border-color: var(--color-apple-blue);
}

#logo-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.brand-name-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 12px;
}

.input-group label {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 8px;
}

.input-group .form-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 16px;
}

.section-hint {
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 8px;
}

/* ========== 加载提示 ========== */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--color-apple-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-family: var(--font-text);
    font-size: 14px;
    color: var(--text-tertiary);
}