/* ========== 全局 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f9ff 0%, #eef2f7 100%);
    color: #1e293b;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    height: 100%;
}

/* ========== 侧边栏 ========== */
.app-sidebar {
    background: linear-gradient(180deg, #2c5ff6 0%, #1e3a8a 100%) !important;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 2px 0 12px rgba(44, 95, 246, 0.18);
}

.app-sidebar .logo {
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 100%) !important;
    white-space: nowrap;
    overflow: hidden;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
}
.app-sidebar .logo::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #60a5fa, #a78bfa, #60a5fa);
    background-size: 200% 100%;
    border-radius: 3px;
    animation: logoBar 3s ease infinite;
}
@keyframes logoBar {
    0%, 100% { background-position: 0% 0; }
    50% { background-position: 200% 0; }
}

.sidebar-menu {
    border-right: none !important;
    background: transparent !important;
    padding: 8px 0;
}

/* 菜单项整体样式 */
.sidebar-menu .el-menu-item,
.sidebar-menu .el-sub-menu__title {
    color: rgba(255, 255, 255, 0.88) !important;
    margin: 4px 10px !important;
    border-radius: 10px !important;
    width: calc(100% - 20px) !important;
    height: 44px !important;
    line-height: 44px !important;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative;
    overflow: hidden;
}
.sidebar-menu .el-menu-item .el-icon,
.sidebar-menu .el-sub-menu__title .el-icon {
    width: 20px !important;
    height: 20px !important;
    font-size: 18px !important;
    margin-right: 10px;
    color: rgba(255, 255, 255, 0.9);
    transition: transform 0.3s ease, color 0.28s ease;
}

/* 悬停效果 */
.sidebar-menu .el-menu-item:hover,
.sidebar-menu .el-sub-menu__title:hover {
    background: rgba(255, 255, 255, 0.14) !important;
    color: #fff !important;
    transform: translateX(3px);
}
.sidebar-menu .el-menu-item:hover .el-icon,
.sidebar-menu .el-sub-menu__title:hover .el-icon {
    color: #fbbf24;
    transform: scale(1.15);
}

/* 激活态: 渐变蓝底 + 左高亮条 */
.sidebar-menu .el-menu-item.is-active {
    color: #fff !important;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.85) 0%, rgba(96, 165, 250, 0.6) 100%) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: translateX(2px);
    font-weight: 600;
}
.sidebar-menu .el-menu-item.is-active::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, #fbbf24, #f59e0b);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.7);
}
.sidebar-menu .el-menu-item.is-active .el-icon {
    color: #fbbf24;
    transform: scale(1.1);
}

/* 二级子菜单 */
.sidebar-menu .el-sub-menu .el-menu {
    background: rgba(15, 23, 42, 0.35) !important;
    padding: 4px 0;
}
.sidebar-menu .el-sub-menu .el-menu .el-menu-item {
    height: 40px !important;
    line-height: 40px !important;
    margin: 2px 12px 2px 22px !important;
    width: calc(100% - 34px) !important;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.78) !important;
    padding-left: 18px !important;
    border-radius: 8px !important;
}
.sidebar-menu .el-sub-menu .el-menu .el-menu-item:hover {
    background: rgba(96, 165, 250, 0.22) !important;
    color: #fff !important;
}
.sidebar-menu .el-sub-menu .el-menu .el-menu-item.is-active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.75) 0%, rgba(96, 165, 250, 0.5) 100%) !important;
    color: #fff !important;
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.35);
}

/* 菜单骨架块适配 */
.sidebar-menu .sk-block {
    background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.06) 75%) !important;
    background-size: 200% 100%;
}

/* ========== 头部 ========== */
.app-header {
    background: linear-gradient(90deg, #ffffff 0%, #f8fbff 100%);
    border-bottom: 1px solid rgba(59, 130, 246, 0.12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    box-shadow: 0 2px 8px rgba(44, 95, 246, 0.05);
    position: relative;
}
.app-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 50%, #3b82f6 100%);
    background-size: 200% 100%;
    animation: headerGradient 6s ease infinite;
    opacity: 0.7;
}
@keyframes headerGradient {
    0%, 100% { background-position: 0% 0; }
    50% { background-position: 200% 0; }
}

.app-header .header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.app-header .header-left > span {
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 4px 12px;
    border-left: 3px solid #3b82f6;
    border-radius: 0 8px 8px 0;
    background-color: rgba(59, 130, 246, 0.04);
}

.app-header .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}
.app-header .header-right .el-dropdown > span {
    padding: 6px 12px 6px 6px;
    border-radius: 100px;
    transition: all 0.25s ease;
    color: #1e3a8a;
}
.app-header .header-right .el-dropdown > span:hover {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}
.app-header .header-right .el-avatar {
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: #fff;
    font-weight: 600;
}

/* ========== 主内容区 ========== */
.app-main {
    padding: 20px;
    background: linear-gradient(180deg, #f5f9ff 0%, #eef2f7 100%);
    min-height: 0;
}
.app-main > * {
    animation: mainFadeIn 0.4s ease both;
}
@keyframes mainFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== 登录页 ========== */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    width: 420px;
    padding: 40px 35px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .15);
}

.login-card .login-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: #303133;
    margin-bottom: 8px;
}

.login-card .login-subtitle {
    text-align: center;
    font-size: 14px;
    color: #909399;
    margin-bottom: 30px;
}

.login-card .login-btn {
    width: 100%;
}

/* ========== 注册页 ========== */
.register-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px 0;
}

.register-card {
    width: 450px;
    padding: 40px 35px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .15);
}

.wechat-section {
    text-align: center;
    padding: 20px 0;
}

.wechat-qrcode {
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    border: 1px solid #dcdfe6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f7fa;
}

.wechat-tip {
    font-size: 14px;
    color: #909399;
    margin-top: 8px;
}

/* ========== 卡片 ========== */
.stat-card {
    text-align: center;
}
.stat-card .stat-value {
    font-size: 32px;
    font-weight: 600;
    color: #409eff;
}
.stat-card .stat-label {
    font-size: 14px;
    color: #909399;
    margin-top: 4px;
}

/* ========== 表格操作区 ========== */
.table-toolbar {
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pagination-wrap {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}

/* ========== 报告内容 ========== */
.report-content {
    line-height: 1.8;
}
.report-content h1, .report-content h2, .report-content h3 {
    margin: 16px 0 8px;
}
.report-content p {
    margin-bottom: 12px;
}
.report-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
}
.report-content th, .report-content td {
    border: 1px solid #ddd;
    padding: 8px 12px;
}

/* ========== 增强美化样式 ========== */

/* 卡片美化 */
.stat-card {
    text-align: center;
    padding: 8px 0;
    transition: all 0.3s ease;
}
.stat-card .stat-value {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #409eff 0%, #67c23a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-card .stat-label {
    font-size: 14px;
    color: #909399;
    margin-top: 8px;
    font-weight: 500;
}

/* 快捷操作按钮美化 */
.action-btn-group .el-button {
    justify-content: flex-start;
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 8px;
    transition: all 0.3s ease;
}
.action-btn-group .el-button:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(64, 158, 255, 0.2);
}

/* 模板卡片样式 */
.template-card-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.template-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid #e4e7ed;
    background: #fff;
    color: #606266;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
}
.template-chip:hover {
    border-color: #409eff;
    color: #409eff;
    background: #ecf5ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(64, 158, 255, 0.15);
}
.template-chip:active {
    transform: translateY(0);
}
.template-chip .chip-icon {
    font-size: 14px;
}

/* 表单图标增强 */
.form-icon-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* 数据表格图标列 */
.data-icon {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
}
.data-icon .icon-svg {
    font-size: 14px;
}
.data-icon.like { color: #f56c6c; }
.data-icon.comment { color: #409eff; }
.data-icon.share { color: #67c23a; }
.data-icon.collect { color: #e6a23c; }
.data-icon.play { color: #909399; }

/* 视频卡片增强 */
.video-card-enhanced {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.video-card-enhanced:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1) !important;
}
.video-card-enhanced .card-thumb {
    position: relative;
    width: 100%;
    height: 160px;
    background: #f5f7fa;
    overflow: hidden;
}
.video-card-enhanced .card-thumb img,
.video-card-enhanced .card-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.video-card-enhanced:hover .card-thumb img,
.video-card-enhanced:hover .card-thumb video {
    transform: scale(1.05);
}
.video-card-enhanced .card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 12px 8px;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    display: flex;
    gap: 12px;
    color: #fff;
    font-size: 12px;
}
.video-card-enhanced .card-overlay .overlay-item {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* 上传区域美化 */
.upload-zone {
    border: 2px dashed #dcdfe6;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    background: #fafbfc;
}
.upload-zone:hover {
    border-color: #409eff;
    background: #f5f7fa;
}
.upload-zone .upload-icon {
    font-size: 48px;
    color: #c0c4cc;
    margin-bottom: 12px;
}
.upload-zone .upload-text {
    color: #606266;
    font-size: 14px;
    margin-bottom: 8px;
}
.upload-zone .upload-hint {
    color: #909399;
    font-size: 12px;
}

/* 步骤引导 */
.step-guide {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%);
    border-radius: 8px;
    border-left: 4px solid #409eff;
    margin-bottom: 20px;
}
.step-guide .guide-icon {
    font-size: 20px;
    color: #409eff;
}
.step-guide .guide-text {
    font-size: 13px;
    color: #606266;
}

/* 标签徽章 */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.badge-pill.success {
    background: #e1f3e8;
    color: #67c23a;
}
.badge-pill.warning {
    background: #fdf6ec;
    color: #e6a23c;
}
.badge-pill.danger {
    background: #fde2e2;
    color: #f56c6c;
}
.badge-pill.info {
    background: #f4f4f5;
    color: #909399;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

/* ========== 骨架屏 ========== */
.app-skeleton {
    position: fixed;
    inset: 0;
    z-index: 9998;
    display: flex;
    background: #f0f2f5;
    transition: opacity 0.35s ease;
}
.app-skeleton.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 侧边栏骨架 */
.app-skeleton .sk-sidebar {
    width: 220px;
    height: 100%;
    background: linear-gradient(180deg, #2c5ff6 0%, #1e3a8a 100%);
    flex-shrink: 0;
    padding-top: 0;
    box-shadow: 2px 0 12px rgba(44, 95, 246, 0.18);
}
.app-skeleton .sk-logo {
    height: 60px;
    margin: 0 0 4px;
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 0;
}
.app-skeleton .sk-menu-item {
    height: 40px;
    margin: 6px 16px;
    width: calc(100% - 32px);
}

/* 主区域骨架 */
.app-skeleton .sk-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.app-skeleton .sk-header {
    height: 60px;
    background: #fff;
    border-radius: 0;
    border-bottom: 1px solid #e6e6e6;
    box-shadow: 0 1px 4px rgba(0, 21, 41, .08);
}
.app-skeleton .sk-content {
    flex: 1;
    padding: 20px;
    overflow: hidden;
}
.app-skeleton .sk-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.app-skeleton .sk-card {
    flex: 1;
    height: 110px;
    border-radius: 12px;
}
.app-skeleton .sk-table {
    height: 320px;
    border-radius: 12px;
}

/* 闪烁动画 */
.sk-block {
    background: linear-gradient(
        90deg,
        rgba(224, 230, 237, 0.6) 25%,
        rgba(200, 210, 220, 0.9) 50%,
        rgba(224, 230, 237, 0.6) 75%
    );
    background-size: 200% 100%;
    animation: sk-shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
}
/* 深色背景下的骨架块 */
.sk-sidebar .sk-block,
.app-sidebar .sk-block {
    background: linear-gradient(
        90deg,
        rgba(50, 65, 85, 0.4) 25%,
        rgba(70, 85, 105, 0.7) 50%,
        rgba(50, 65, 85, 0.4) 75%
    );
    background-size: 200% 100%;
}
@keyframes sk-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 登录/注册页骨架 */
.app-skeleton.login-skeleton {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.app-skeleton.login-skeleton .sk-sidebar,
.app-skeleton.login-skeleton .sk-main {
    display: none;
}
.app-skeleton.login-skeleton .sk-login-card {
    width: 420px;
    height: 380px;
    border-radius: 16px;
    background: #fff;
    padding: 40px 35px;
}
.app-skeleton.login-skeleton .sk-login-card .sk-block {
    margin-bottom: 20px;
}
.app-skeleton.login-skeleton .sk-login-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto 20px;
}
.app-skeleton.login-skeleton .sk-login-title {
    width: 60%;
    height: 28px;
    margin: 0 auto 10px;
}
.app-skeleton.login-skeleton .sk-login-sub {
    width: 40%;
    height: 16px;
    margin: 0 auto 28px;
}
.app-skeleton.login-skeleton .sk-login-input {
    width: 100%;
    height: 40px;
    margin-bottom: 18px;
}
.app-skeleton.login-skeleton .sk-login-btn {
    width: 100%;
    height: 40px;
    margin-top: 6px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .app-main {
        padding: 12px;
    }
    .login-card, .register-card {
        width: 90%;
        padding: 30px 20px;
    }
    .app-skeleton .sk-sidebar { width: 0; }
    .app-skeleton .sk-row { flex-direction: column; }
}