/* ===== 现代简约风格 - TG Bot 管理系统 ===== */
/* 色彩体系: 米色 / 白色 / 暖灰 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== 全局重置 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #D4A574;        /* 暖金主色 */
    --primary-hover: #C4956A;
    --primary-light: rgba(212, 165, 116, 0.1);
    --bg-base: #FAF9F7;        /* 米白底色 */
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    --text-dark: #2C2C2C;      /* 深灰文字 */
    --text-secondary: #7A7A7A; /* 灰文字 */
    --text-muted: #A8A8A8;     /* 浅灰文字 */
    --border: #EDEDED;
    --border-light: #F5F4F2;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --sidebar-width: 260px;
    --topbar-height: 72px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-base);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ===== 登录页 ===== */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #FAF9F7 0%, #F5F0EB 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 0 24px;
}

.login-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-white);
    color: var(--text-dark);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-block {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.3px;
}

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

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #FFF5F5;
    color: #D63031;
    border: 1px solid #FFE8E8;
}

.alert-success {
    background: #F0FFF4;
    color: #27AE60;
    border: 1px solid #E0F8E9;
}

/* ===== 主布局 ===== */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 28px 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    margin: 0;
}

.sidebar-header .subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    gap: 12px;
}

.nav-item:hover {
    color: var(--text-dark);
    background: var(--bg-base);
    text-decoration: none;
}

.nav-item.active {
    color: var(--primary);
    background: var(--primary-light);
    border-left-color: var(--primary);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* ===== 主内容区 ===== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-bar {
    height: var(--topbar-height);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar-left h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    letter-spacing: -0.3px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.btn-logout {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-logout:hover {
    border-color: #FF6B6B;
    color: #FF6B6B;
    background: #FFF5F5;
}

.content {
    padding: 32px;
    flex: 1;
}

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: #EBF5FF;
    color: #3B82F6;
}

.stat-icon.green {
    background: #F0FFF4;
    color: #10B981;
}

.stat-icon.orange {
    background: #FFFBEB;
    color: #F59E0B;
}

.stat-icon.purple {
    background: #F5F3FF;
    color: #8B5CF6;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.card-body {
    padding: 24px;
}

/* ===== 表格 ===== */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border);
}

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

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--bg-base);
}

.text-center {
    text-align: center;
    color: var(--text-muted);
}

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

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

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

.btn-secondary {
    background: var(--bg-base);
    color: var(--text-dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border-light);
    border-color: var(--primary);
}

.btn-danger {
    background: #FFF5F5;
    color: #FF6B6B;
    border: 1px solid #FFE8E8;
}

.btn-danger:hover {
    background: #FF6B6B;
    color: white;
    border-color: #FF6B6B;
}

.btn-success {
    background: #F0FFF4;
    color: #10B981;
    border: 1px solid #E0F8E9;
}

.btn-success:hover {
    background: #10B981;
    color: white;
    border-color: #10B981;
}

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

.btn-xs {
    padding: 4px 10px;
    font-size: 12px;
}

/* ===== 表单 ===== */
.form-group label {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-dark);
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-actions {
    padding: 20px 0;
    display: flex;
    gap: 12px;
}

/* ===== 设置页面网格 ===== */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 20px;
}

/* ===== 状态标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid transparent;
}

.badge-success {
    background: #F0FFF4;
    color: #10B981;
    border-color: #E0F8E9;
}

.badge-warning {
    background: #FFFBEB;
    color: #F59E0B;
    border-color: #FEF3C7;
}

.badge-danger {
    background: #FFF5F5;
    color: #FF6B6B;
    border-color: #FFE8E8;
}

.badge-info {
    background: #EBF5FF;
    color: #3B82F6;
    border-color: #DBEAFE;
}

/* ===== 日志时间线 ===== */
.log-timeline {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.log-item {
    display: flex;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
}

.log-item:last-child {
    border-bottom: none;
}

.log-time {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 180px;
    padding-top: 2px;
    font-weight: 500;
}

.log-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.log-text {
    font-size: 14px;
    color: var(--text-dark);
}

.log-user {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-base);
    padding: 2px 8px;
    border-radius: 4px;
}

.log-badge {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.badge-user_join { background: #EBF5FF; color: #3B82F6; }
.badge-task_start { background: #FFFBEB; color: #F59E0B; }
.badge-task_complete { background: #F0FFF4; color: #10B981; }
.badge-task_fail { background: #FFF5F5; color: #FF6B6B; }
.badge-admin_login { background: #F5F3FF; color: #8B5CF6; }
.badge-config_change { background: #FFFBEB; color: #F59E0B; }
.badge-user_block { background: #FFF5F5; color: #FF6B6B; }

/* ===== 筛选栏 ===== */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.filter-bar select,
.filter-bar input {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: var(--bg-white);
    color: var(--text-dark);
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 16px 0;
}

.page-info {
    font-size: 13px;
    color: var(--text-muted);
}

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

.empty-state p {
    font-size: 15px;
}

/* ===== Toast 通知 ===== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 14px;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    font-weight: 500;
}

.toast-success { background: #10B981; }
.toast-error { background: #FF6B6B; }
.toast-info { background: #3B82F6; }

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

/* ===== 代理设置 ===== */
.proxy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--bg-base);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 13px;
    border: 1px solid var(--border-light);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}