/* ===== 全局变量 ===== */
:root {
  --c-primary: #0B1F3A;
  --c-accent: #2563EB;
  --c-cyan: #06B6D4;
  --c-bg: #f0f2f5;
  --c-card: #ffffff;
  --c-text: #1f2937;
  --c-muted: #6b7280;
  --c-border: #e5e7eb;
  --c-success: #10b981;
  --c-warning: #f59e0b;
  --c-danger: #ef4444;
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.12);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, "Microsoft YaHei", "Segoe UI", sans-serif; background:var(--c-bg); color:var(--c-text); font-size:14px; }
.hidden { display:none !important; }
a { text-decoration:none; color:inherit; }

/* ===== 登录页 ===== */
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg, var(--c-primary), #1a3a5c); }
.login-card { background:#fff; padding:40px; border-radius:16px; box-shadow:var(--shadow-lg); width:400px; max-width:90vw; }
.login-logo { display:flex; align-items:center; gap:10px; justify-content:center; margin-bottom:20px; }
.logo-icon { width:40px; height:40px; background:var(--c-accent); color:#fff; border-radius:10px; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:20px; }
.logo-text { font-size:20px; font-weight:700; color:var(--c-primary); }
.login-card h2 { text-align:center; margin-bottom:24px; color:var(--c-muted); font-size:16px; }
.login-hint { text-align:center; margin-top:16px; color:var(--c-muted); font-size:12px; }

/* ===== 表单通用 ===== */
.form-group { margin-bottom:16px; }
.form-group label { display:block; margin-bottom:6px; font-weight:500; font-size:13px; }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:10px 12px; border:1px solid var(--c-border); border-radius:8px;
  font-size:14px; transition:border-color .2s; background:#fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline:none; border-color:var(--c-accent); box-shadow:0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { min-height:120px; resize:vertical; }
.form-row { display:flex; gap:16px; }
.form-row .form-group { flex:1; }
.error-msg { color:var(--c-danger); font-size:13px; min-height:18px; margin-bottom:8px; }

/* ===== 按钮 ===== */
.btn-primary, .btn-secondary, .btn-danger, .btn-outline {
  padding:8px 20px; border:none; border-radius:8px; font-size:14px; cursor:pointer; transition:all .2s; display:inline-flex; align-items:center; gap:6px;
}
.btn-primary { background:var(--c-accent); color:#fff; }
.btn-primary:hover { background:#1d4ed8; }
.btn-secondary { background:var(--c-border); color:var(--c-text); }
.btn-secondary:hover { background:#d1d5db; }
.btn-danger { background:var(--c-danger); color:#fff; }
.btn-danger:hover { background:#dc2626; }
.btn-outline { background:transparent; border:1px solid var(--c-border); color:var(--c-text); }
.btn-outline:hover { border-color:var(--c-accent); color:var(--c-accent); }
.btn-block { width:100%; padding:12px; font-size:15px; }
.btn-sm { padding:5px 12px; font-size:12px; }

/* ===== 布局 ===== */
.app { display:flex; min-height:100vh; }
.sidebar {
  width:var(--sidebar-w); background:var(--c-primary); color:#fff; display:flex; flex-direction:column;
  position:fixed; top:0; left:0; bottom:0; z-index:100;
}
.sidebar-logo { display:flex; align-items:center; gap:10px; padding:16px 20px; border-bottom:1px solid rgba(255,255,255,.1); }
.sidebar-logo .logo-text { color:#fff; font-size:16px; }
.sidebar-nav { flex:1; padding:12px 0; overflow-y:auto; }
.sidebar-footer { padding:12px 0; border-top:1px solid rgba(255,255,255,.1); }
.nav-item {
  display:flex; align-items:center; gap:10px; padding:10px 20px; color:rgba(255,255,255,.7);
  font-size:14px; transition:all .2s; cursor:pointer; position:relative;
}
.nav-item:hover { background:rgba(255,255,255,.08); color:#fff; }
.nav-item.active { background:rgba(37,99,235,.25); color:#fff; border-left:3px solid var(--c-accent); }
.nav-icon { font-size:16px; width:20px; text-align:center; }
.badge {
  position:absolute; right:16px; background:var(--c-danger); color:#fff; font-size:11px;
  padding:2px 7px; border-radius:10px; min-width:20px; text-align:center;
}
.main-content { flex:1; margin-left:var(--sidebar-w); }
.topbar {
  height:var(--topbar-h); background:#fff; border-bottom:1px solid var(--c-border);
  display:flex; align-items:center; justify-content:space-between; padding:0 24px; position:sticky; top:0; z-index:50;
}
.topbar h1 { font-size:18px; font-weight:600; }
.topbar-right { font-size:13px; color:var(--c-muted); }
.page-content { padding:24px; }

/* ===== 卡片/统计 ===== */
.card { background:var(--c-card); border-radius:var(--radius); box-shadow:var(--shadow); padding:20px; margin-bottom:20px; }
.stats-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(200px, 1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:#fff; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); border-left:4px solid var(--c-accent); }
.stat-card .stat-label { font-size:13px; color:var(--c-muted); margin-bottom:8px; }
.stat-card .stat-value { font-size:28px; font-weight:700; color:var(--c-primary); }
.stat-card .stat-sub { font-size:12px; color:var(--c-success); margin-top:4px; }
.stat-card.warning { border-left-color:var(--c-warning); }
.stat-card.success { border-left-color:var(--c-success); }
.stat-card.cyan { border-left-color:var(--c-cyan); }

/* ===== 表格 ===== */
.table-wrap { background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; }
table { width:100%; border-collapse:collapse; }
thead { background:var(--c-bg); }
th { padding:12px 16px; text-align:left; font-weight:600; font-size:13px; color:var(--c-muted); border-bottom:1px solid var(--c-border); white-space:nowrap; }
td { padding:12px 16px; border-bottom:1px solid var(--c-border); font-size:14px; }
tr:hover td { background:#f9fafb; }
.table-actions { display:flex; gap:8px; }
.status-tag { padding:3px 10px; border-radius:20px; font-size:12px; font-weight:500; }
.status-tag.published { background:#d1fae5; color:#065f46; }
.status-tag.draft { background:#fef3c7; color:#92400e; }
.status-tag.new { background:#dbeafe; color:#1e40af; }
.status-tag.contacted { background:#fef3c7; color:#92400e; }
.status-tag.closed { background:#e5e7eb; color:#4b5563; }

/* ===== 搜索/筛选栏 ===== */
.toolbar { display:flex; gap:12px; margin-bottom:16px; flex-wrap:wrap; align-items:center; }
.toolbar input, .toolbar select { padding:8px 12px; border:1px solid var(--c-border); border-radius:8px; font-size:14px; }
.toolbar input { min-width:200px; }
.toolbar .spacer { flex:1; }

/* ===== 分页 ===== */
.pagination { display:flex; gap:6px; justify-content:center; margin-top:16px; }
.pagination button { padding:6px 12px; border:1px solid var(--c-border); border-radius:6px; background:#fff; cursor:pointer; font-size:13px; }
.pagination button.active { background:var(--c-accent); color:#fff; border-color:var(--c-accent); }
.pagination button:disabled { opacity:.4; cursor:not-allowed; }

/* ===== 模态框 ===== */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.5); display:flex; align-items:center; justify-content:center; z-index:200; padding:20px; }
.modal-box { background:#fff; border-radius:16px; max-width:700px; width:100%; max-height:90vh; overflow-y:auto; }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:20px 24px; border-bottom:1px solid var(--c-border); position:sticky; top:0; background:#fff; border-radius:16px 16px 0 0; z-index:1; }
.modal-header h2 { font-size:18px; }
.modal-close { font-size:24px; cursor:pointer; color:var(--c-muted); line-height:1; }
.modal-body { padding:24px; }
.modal-footer { display:flex; justify-content:flex-end; gap:10px; padding:16px 24px; border-top:1px solid var(--c-border); position:sticky; bottom:0; background:#fff; border-radius:0 0 16px 16px; }

/* ===== Toast ===== */
.toast-container { position:fixed; top:20px; right:20px; z-index:300; display:flex; flex-direction:column; gap:8px; }
.toast { padding:12px 20px; border-radius:8px; color:#fff; font-size:14px; box-shadow:var(--shadow-lg); animation:slideIn .3s ease; }
.toast.success { background:var(--c-success); }
.toast.error { background:var(--c-danger); }
.toast.info { background:var(--c-accent); }
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ===== 富文本编辑器 ===== */
.editor-toolbar { display:flex; gap:4px; padding:8px; border:1px solid var(--c-border); border-bottom:none; border-radius:8px 8px 0 0; flex-wrap:wrap; }
.editor-toolbar button { padding:4px 10px; border:1px solid var(--c-border); border-radius:4px; background:#fff; cursor:pointer; font-size:13px; }
.editor-toolbar button:hover { background:var(--c-bg); }
.editor-content { border:1px solid var(--c-border); border-radius:0 0 8px 8px; min-height:300px; max-height:400px; overflow-y:auto; padding:16px; outline:none; line-height:1.8; }
.editor-content:focus { border-color:var(--c-accent); }
.editor-content h2 { margin:16px 0 8px; padding-left:12px; border-left:4px solid var(--c-accent); }
.editor-content h3 { margin:12px 0 6px; }
.editor-content p { margin:8px 0; }
.editor-content ul, .editor-content ol { margin:8px 0; padding-left:24px; }
.editor-content blockquote { border-left:4px solid var(--c-accent); margin:12px 0; padding:8px 16px; background:var(--c-bg); border-radius:0 8px 8px 0; }
.editor-content code { background:var(--c-bg); padding:2px 6px; border-radius:4px; font-size:13px; }

/* ===== 设置页 ===== */
.settings-tabs { display:flex; gap:4px; border-bottom:2px solid var(--c-border); margin-bottom:20px; }
.settings-tab { padding:10px 20px; cursor:pointer; border-bottom:2px solid transparent; margin-bottom:-2px; font-weight:500; color:var(--c-muted); }
.settings-tab.active { color:var(--c-accent); border-color:var(--c-accent); }
.settings-form { max-width:700px; }
.settings-form .form-group { margin-bottom:20px; }

/* ===== 批量操作栏 ===== */
.batch-bar {
  display: flex; align-items: center; gap: 16px; padding: 10px 16px;
  background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px; margin-bottom: 12px;
  font-size: 14px; color: #1e40af;
}

/* ===== 开关按钮(toggle switch) ===== */
.switch {
  position: relative; display: inline-block; width: 40px; height: 22px; cursor: pointer;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; background: #cbd5e1; border-radius: 22px; transition: .3s;
}
.switch .slider:before {
  content: ""; position: absolute; height: 16px; width: 16px; left: 3px; bottom: 3px;
  background: #fff; border-radius: 50%; transition: .3s;
}
.switch input:checked + .slider { background: var(--c-accent); }
.switch input:checked + .slider:before { transform: translateX(18px); }

/* ===== 排序输入框 ===== */
.sort-input {
  width: 60px; padding: 4px 6px; border: 1px solid var(--c-border); border-radius: 6px;
  font-size: 13px; text-align: center;
}
.sort-input:focus { outline: none; border-color: var(--c-accent); }

/* ===== 多选框组 ===== */
.checkbox-group {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0;
}
.checkbox-item {
  display: inline-flex; align-items: center; gap: 4px; padding: 6px 12px;
  border: 1px solid var(--c-border); border-radius: 20px; font-size: 13px; cursor: pointer;
  transition: all .2s;
}
.checkbox-item:hover { border-color: var(--c-accent); }
.checkbox-item input { margin: 0; cursor: pointer; }
.checkbox-item:has(input:checked) {
  background: #eff6ff; border-color: var(--c-accent); color: var(--c-accent); font-weight: 500;
}
.checkbox-group-nowrap {
  display: flex; flex-wrap: nowrap; gap: 8px; padding: 8px 0; overflow-x: auto;
}

/* ===== 表格内checkbox ===== */
td input[type="checkbox"], th input[type="checkbox"] {
  width: 16px; height: 16px; cursor: pointer; accent-color: var(--c-accent);
}

/* ===== datetime-local 输入框 ===== */
input[type="datetime-local"] {
  padding: 10px 12px; border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px;
}

/* ===== 状态标签 - scheduled ===== */
.status-tag.scheduled { background: #ede9fe; color: #5b21b6; }

/* ===== 列设置下拉 ===== */
.col-settings { position: relative; }
.col-settings-dropdown {
  position: absolute; right: 0; top: 100%; margin-top: 4px;
  background: #fff; border: 1px solid var(--c-border); border-radius: 8px;
  box-shadow: var(--shadow-lg); padding: 12px; z-index: 50; min-width: 140px;
  display: flex; flex-direction: column; gap: 8px;
}
.col-settings-dropdown label {
  display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.col-settings-dropdown label:hover { color: var(--c-accent); }

/* ===== 表格单元格省略号（防换行） ===== */
.cell-ellipsis {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 空状态 ===== */
.empty-state { text-align:center; padding:60px 20px; color:var(--c-muted); }
.empty-state .icon { font-size:48px; margin-bottom:16px; }
.empty-state .text { font-size:15px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar { transform:translateX(-100%); transition:transform .3s; }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .form-row { flex-direction:column; }
  .stats-grid { grid-template-columns:1fr 1fr; }
}