/* 组件样式 */

/* 加载动画 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-mid);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 消息提示 */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    background: var(--bg-dark);
    color: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: #10b981;
}

.toast.error {
    background: #ef4444;
}

/* 页面头部 */
.page-header {
    position: relative;
    background: linear-gradient(165deg, var(--bg-dark) 0%, var(--primary-color) 48%, var(--bg-navy-deep) 100%);
    padding: 128px 20px 72px;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(201, 162, 39, 0.14), transparent 55%),
        url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?w=1920&q=60') center/cover;
    opacity: 0.35;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.85;
    pointer-events: none;
}

.page-header .page-title,
.page-header .page-desc {
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.03em;
    text-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
}

.page-desc {
    font-size: 18px;
    opacity: 0.88;
    max-width: 640px;
    margin: 0 auto;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary-mid);
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: var(--radius-lg, 16px);
    border: 1px solid rgba(12, 45, 72, 0.08);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 162, 39, 0.28);
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(26, 74, 110, 0.1);
    color: var(--primary-mid);
    border: 1px solid rgba(12, 45, 72, 0.12);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination button {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover,
.pagination button.active {
    background: var(--primary-mid);
    color: #fff;
    border-color: var(--primary-mid);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
}

/* 后台样式 */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--bg-dark);
    padding: 20px;
    color: #fff;
    flex-shrink: 0;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.admin-main {
    flex: 1;
    padding: 40px;
    background: var(--bg-light);
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-title {
    font-size: 28px;
    font-weight: 700;
}

/* 数据表格 */
.data-table {
    width: 100%;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-light);
}

.data-table tr:hover td {
    background: rgba(0,102,204,0.02);
}

/* 操作按钮 */
.action-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.action-btn.edit {
    background: #dbeafe;
    color: var(--primary-color);
}

.action-btn.delete {
    background: #fee2e2;
    color: #ef4444;
}

.action-btn:hover {
    opacity: 0.8;
}

/* 图片上传 */
.image-upload {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.image-upload:hover {
    border-color: var(--primary-color);
}

.image-upload-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    color: var(--text-light);
}

/* 状态徽章 */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge.success {
    background: #d1fae5;
    color: #059669;
}

.badge.warning {
    background: #fef3c7;
    color: #d97706;
}

.badge.error {
    background: #fee2e2;
    color: #dc2626;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    opacity: 0.3;
}

/* 登录页面 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
}

.login-card {
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo svg {
    width: 60px;
    height: 60px;
    margin-bottom: 16px;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
    color: var(--text-color);
    background-color: #fff;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
    background-color: #fff;
}

.login-form input::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}