/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 主题颜色变量 */
:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #10b981;
    --secondary-hover: #059669;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --bg-color: #f8fafc;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #f1f5f9;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    height: 100vh;
    line-height: 1.6;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* 登录页面样式 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 0;
}

.background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.shape:first-child {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -200px;
    animation: float 6s ease-in-out infinite;
}

.shape:last-child {
    width: 400px;
    height: 400px;
    bottom: -150px;
    right: -150px;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

.login-form {
    position: relative;
    width: 100%;
    max-width: 300px;
    z-index: 2;
}

.login-card {
    position: relative;
    width: 100%;
    height: 80px;
    background: linear-gradient(135deg, #ff3366, #ff6b35);
    border: 4px solid #000;
    box-shadow: 
        8px 8px 0 #000, 
        16px 16px 0 rgba(255, 51, 102, 0.3);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-style: preserve-3d;
}

.login-card:hover {
    height: 320px;
    transform: translateZ(20px) rotateX(5deg) rotateY(-5deg);
    box-shadow: 
        12px 12px 0 #000, 
        24px 24px 0 rgba(255, 51, 102, 0.4), 
        0 0 50px rgba(255, 51, 102, 0.6);
}

.login-title {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: inherit;
    transition: all 0.4s ease;
}

.login-text {
    color: #000;
    font-weight: 800;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
}

.login-card:hover .login-text {
    opacity: 0;
    transform: translateY(-30px) scale(0.8);
}

.login-form-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(30px) scale(0.8);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.login-card:hover .login-form-inner {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.input-group {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
}

.login-input {
    width: 100%;
    padding: 12px 10px;
    background: rgba(255, 255, 255, 0.8);
    border: 3px solid #000;
    font-weight: 700;
    color: #000;
    box-shadow: 4px 4px 0 #000;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.login-input:focus {
    outline: none;
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 #000;
}

.login-input::placeholder {
    color: #000;
    opacity: 0.6;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: #000;
    color: #fff;
    border: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.login-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 rgba(255, 255, 255, 0.3);
    background: #333;
}

.login-error {
    color: #ff6b6b;
    text-align: center;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 107, 107, 0.2);
    border-radius: 8px;
    font-size: 12px;
    border: 2px solid #000;
    width: 100%;
    box-shadow: 2px 2px 0 #000;
}

.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.login-card:hover::before {
    left: 100%;
}

.login-card::after {
    content: "";
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    background: #000;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
    transition: all 0.6s ease;
}

.login-card:hover::after {
    transform: scale(1) rotate(0deg);
    background: rgb(246, 168, 116);
}

/* 容器样式 */
.container {
    width: 100%;
    height: 100vh;
    max-width: 100%;
    margin: 0;
    background: var(--card-bg);
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    display: none;
    position: relative;
}

.container.active {
    display: block;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--text-light);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 80px;
}

.header-content {
    text-align: left;
}

.header h1 {
    font-size: 24px;
    margin-bottom: 8px;
    font-weight: 700;
}

.header p {
    opacity: 0.9;
    font-size: 14px;
    font-weight: 400;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-role {
    font-size: 14px;
    opacity: 0.9;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 主布局样式 */
.main-layout {
    display: flex;
    height: 100vh;
    padding-top: 80px;
}

/* 左侧边栏样式 */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
}

.sidebar-menu {
    flex: 1;
    padding: 10px 0;
    overflow: hidden;
}

/* 菜单项样式 */
.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    width: 100%;
    text-align: left;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0;
}

.menu-item:hover {
    background-color: var(--sidebar-hover);
    color: var(--text-light);
}

.menu-item.active {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.menu-icon {
    font-size: 18px;
}

/* 右侧内容区域 */
.content-area {
    flex: 1;
    overflow: hidden;
    background-color: var(--bg-color);
}

/* 页面内容样式 */
.tab-content {
    display: none;
    padding: 30px;
    height: 100%;
    overflow-y: auto;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

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

/* 页面头部 */
.page-header {
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

/* 工具栏样式 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--secondary-color);
    color: white;
}

.btn-success:hover {
    background-color: var(--secondary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #64748b;
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* 搜索框样式 */
.search-box {
    display: flex;
    gap: 10px;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background-color: #f1f5f9;
}

th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

tr:hover {
    background-color: #f8fafc;
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background: #eef2ff;
    color: var(--primary-color);
}

.badge-success {
    background: #d1fae5;
    color: var(--secondary-color);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning-color);
}

.badge-danger {
    background: #fee2e2;
    color: var(--danger-color);
}

/* 统计卡片样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 25px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.stat-card h3 {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
    font-weight: 500;
}

.stat-card .value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
    font-weight: 500;
}

/* 操作按钮组 */
.action-buttons {
    display: flex;
    gap: 8px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 表单控件样式 */
.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
    box-shadow: var(--shadow-xl);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h2 {
    font-size: 22px;
    color: var(--text-primary);
    font-weight: 600;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    border: 3px solid #e2e8f0;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* 全局加载指示器 */
.global-loader {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.global-loader .spinner {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

.global-loader p {
    font-size: 14px;
    color: var(--text-primary);
    margin: 0;
    font-weight: 500;
}

/* 提示框样式 */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
    }

    .sidebar-menu {
        display: flex;
        overflow-x: auto;
    }

    .menu-item {
        flex-direction: column;
        padding: 10px;
        min-width: 120px;
        text-align: center;
    }

    .tab-content {
        padding: 15px;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: 100%;
    }

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

    table {
        font-size: 13px;
    }

    th, td {
        padding: 10px;
    }
}

/* Flexbox Utilities */
.d-flex {
    display: flex;
}
.flex-wrap {
    flex-wrap: wrap;
}
.items-center {
    align-items: center;
}
.justify-center {
    justify-content: center;
}
.gap-10 {
    gap: 10px;
}
.gap-15 {
    gap: 15px;
}
.gap-20 {
    gap: 20px;
}

/* Specific Layouts */
.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-filter-toolbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.toolbar-filters {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-select {
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    min-width: 150px;
}

.date-input {
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}