/* ========================================
   横溪剑毫 - 后台管理样式
   ======================================== */

:root {
    --sidebar-width: 240px;
    --header-height: 60px;
    --primary: #2D5016;
    --primary-dark: #1e3a0f;
    --secondary: #8B6914;
    --danger: #C0392B;
    --success: #27AE60;
    --warning: #E67E22;
    --info: #3498DB;
    --bg: #f0f2f5;
    --card-bg: #fff;
    --border: #e8e8e8;
    --text: #333;
    --text-secondary: #666;
    --text-muted: #999;
}

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-size: 14px; color: var(--text); background: var(--bg);
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* 登录页 */
.login-body {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-box {
    background: #fff; border-radius: 8px; padding: 48px 40px;
    width: 100%; max-width: 420px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.login-box h1 {
    text-align: center; font-size: 24px; margin-bottom: 8px; color: var(--primary);
}
.login-box .subtitle {
    text-align: center; font-size: 13px; color: var(--text-muted); margin-bottom: 32px;
}
.login-form .form-group { margin-bottom: 20px; }
.login-form label {
    display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px;
}
.login-form input {
    width: 100%; padding: 11px 14px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 14px; outline: none;
    transition: border-color 0.2s;
}
.login-form input:focus { border-color: var(--primary); }
.login-form button {
    width: 100%; padding: 12px; background: var(--primary); color: #fff;
    border: none; border-radius: 4px; font-size: 15px; font-weight: 500;
    cursor: pointer; transition: background 0.2s;
}
.login-form button:hover { background: var(--primary-dark); }
.login-form .error {
    background: rgba(192,57,43,0.08); color: var(--danger);
    padding: 10px 14px; border-radius: 4px; font-size: 13px; margin-bottom: 16px;
}

/* 侧边栏 */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: var(--sidebar-width); background: #1a1a2e;
    position: fixed; top: 0; left: 0; bottom: 0;
    overflow-y: auto; z-index: 100;
}
.sidebar-brand {
    padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; gap: 12px; color: #fff;
    font-size: 18px; font-weight: 600;
}
.sidebar-brand i { font-size: 24px; color: #4ecca3; }

.sidebar-menu { list-style: none; padding: 16px 0; }
.sidebar-menu li { position: relative; }
.sidebar-menu li a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 24px; color: rgba(255,255,255,0.7);
    font-size: 14px; transition: all 0.2s;
}
.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(255,255,255,0.08); color: #fff;
}
.sidebar-menu li a i { width: 20px; text-align: center; }

.sidebar-divider {
    height: 1px; background: rgba(255,255,255,0.08);
    margin: 12px 24px;
}
.sidebar-section-title {
    padding: 8px 24px; font-size: 11px; color: rgba(255,255,255,0.4);
    text-transform: uppercase; letter-spacing: 1px;
}

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

/* 顶部栏 */
.topbar {
    height: var(--header-height); background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 18px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar-right a {
    color: var(--text); font-size: 16px; width: 36px; height: 36px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.topbar-right a:hover { background: var(--bg); }

.user-menu {
    display: flex; align-items: center; gap: 8px;
    cursor: pointer; padding: 4px 12px; border-radius: 4px;
}
.user-menu:hover { background: var(--bg); }
.user-menu img {
    width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
}
.user-menu span { font-size: 13px; font-weight: 500; }

/* 页面内容 */
.page-content { padding: 24px; flex: 1; }
.page-header-bar {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
}
.page-header-bar h2 { font-size: 20px; font-weight: 600; }

/* 统计卡片 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.stat-card {
    background: var(--card-bg); border-radius: 8px; padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .change {
    font-size: 12px; margin-top: 8px; display: inline-flex; align-items: center; gap: 4px;
}
.stat-card .change.up { color: var(--success); }
.stat-card .change.down { color: var(--danger); }
.stat-icon {
    width: 48px; height: 48px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; margin-bottom: 16px;
}
.stat-icon.green { background: rgba(39,174,96,0.1); color: var(--success); }
.stat-icon.blue { background: rgba(52,152,219,0.1); color: var(--info); }
.stat-icon.orange { background: rgba(230,126,34,0.1); color: var(--warning); }
.stat-icon.red { background: rgba(192,57,43,0.1); color: var(--danger); }

/* 卡片 */
.card {
    background: var(--card-bg); border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06); margin-bottom: 20px;
}
.card-header {
    padding: 16px 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* 表格 */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
    text-align: left; padding: 12px 16px; font-size: 13px; font-weight: 600;
    color: var(--text-muted); border-bottom: 1px solid var(--border);
    background: #fafafa;
}
.admin-table td {
    padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.admin-table tr:hover td { background: rgba(45,80,22,0.02); }
.admin-table .actions { display: flex; gap: 8px; }
.admin-table .actions a {
    padding: 4px 10px; border-radius: 4px; font-size: 12px;
    display: inline-flex; align-items: center; gap: 4px;
}
.admin-table .actions a.view { background: rgba(52,152,219,0.1); color: var(--info); }
.admin-table .actions a.edit { background: rgba(139,105,20,0.1); color: var(--secondary); }
.admin-table .actions a.delete { background: rgba(192,57,43,0.1); color: var(--danger); }

/* 状态标签 */
.status-badge {
    padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500;
    display: inline-block;
}
.status-badge.active { background: rgba(39,174,96,0.1); color: var(--success); }
.status-badge.inactive { background: rgba(153,153,153,0.1); color: var(--text-muted); }
.status-badge.warning { background: rgba(230,126,34,0.1); color: var(--warning); }
.status-badge.danger { background: rgba(192,57,43,0.1); color: var(--danger); }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 4px; font-size: 13px;
    font-weight: 500; cursor: pointer; border: none;
    transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-outline {
    background: transparent; color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px;
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 14px; outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-help { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* 搜索栏 */
.search-bar {
    display: flex; gap: 12px; margin-bottom: 20px; align-items: center;
}
.search-bar input {
    flex: 1; max-width: 300px; padding: 8px 14px;
    border: 1px solid var(--border); border-radius: 4px; font-size: 13px;
}
.search-bar select {
    padding: 8px 14px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 13px;
}

/* 分页 */
.admin-pagination { display: flex; gap: 6px; margin-top: 20px; justify-content: flex-end; }
.admin-pagination a,
.admin-pagination span {
    padding: 6px 12px; border-radius: 4px; font-size: 13px;
    border: 1px solid var(--border); color: var(--text);
    display: inline-flex; align-items: center;
}
.admin-pagination a:hover { background: var(--bg); }
.admin-pagination span.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 一键配置页面 */
.config-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.config-tab {
    padding: 10px 20px; font-size: 14px; font-weight: 500;
    color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -1px; transition: all 0.2s;
}
.config-tab:hover { color: var(--text); }
.config-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.config-section { display: none; }
.config-section.active { display: block; }

/* 消息提示 */
.alert {
    padding: 12px 16px; border-radius: 4px; margin-bottom: 20px;
    font-size: 13px; display: flex; align-items: center; gap: 10px;
}
.alert-success { background: rgba(39,174,96,0.08); color: var(--success); }
.alert-error { background: rgba(192,57,43,0.08); color: var(--danger); }
.alert-warning { background: rgba(230,126,34,0.08); color: var(--warning); }

/* 响应式 */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
    .sidebar.active { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
}