/* ============================================================
   采集机器人管理后台 — Obsidian 精简风格
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&display=swap');

:root {
  --sidebar-width: 224px;
  --topbar-h: 54px;

  /* 侧边栏 */
  --sidebar-bg: #0D1117;
  --sidebar-item: #7D8590;
  --sidebar-hover-bg: rgba(255,255,255,.06);
  --sidebar-active-bg: rgba(30,122,251,.13);
  --sidebar-active-border: #1E7AFB;
  --sidebar-active-color: #60A5FA;

  /* 全局强调色 */
  --accent: #1E7AFB;
  --accent-dark: #1565D8;
  --accent-light: #EFF6FF;

  /* 语义色 */
  --success: #059669;
  --warning: #D97706;
  --danger:  #DC2626;

  /* 页面底色 & 表面 */
  --bg:      #F2F4F8;
  --surface: #FFFFFF;
  --border:  #E4E8EF;
  --border-strong: #C9D0DC;

  /* 文字 */
  --text:     #111827;
  --text-sub: #6B7280;
  --text-muted: #9CA3AF;

  /* 圆角 & 阴影 */
  --radius:    10px;
  --radius-sm: 6px;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,.12);
  --transition: .17s ease;
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ── 滚动条 ─────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #C9D0DC; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #9CA3AF; }

/* ── 顶部导航栏 ─────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--topbar-h);
  background: var(--sidebar-bg);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem 0 calc(var(--sidebar-width) + 1.5rem);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.nav-brand {
  font-size: .9375rem;
  font-weight: 600;
  color: #E6EDF3;
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  gap: .6rem;
}

.nav-brand-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(30,122,251,.7);
  flex-shrink: 0;
}

.nav-right { display: flex; align-items: center; gap: .875rem; }
.nav-right .nav-user { color: #7D8590; font-size: .8125rem; }

/* ── 布局 ───────────────────────────────────────── */
.layout {
  display: flex;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ── 侧边栏 ─────────────────────────────────────── */
.sidebar {
  position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  overflow-y: auto; overflow-x: hidden;
  padding: 1rem 0 2rem;
  border-right: 1px solid rgba(255,255,255,.05);
}

.sidebar-section {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: #3D444D;
  text-transform: uppercase;
  padding: .875rem 1.25rem .3rem;
  margin-top: .25rem;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .5rem 1.125rem;
  color: var(--sidebar-item);
  font-size: .8125rem;
  font-weight: 400;
  transition: color var(--transition), background var(--transition);
  cursor: pointer;
  position: relative;
  border-left: 2px solid transparent;
}

.menu-item .menu-icon {
  width: 16px; height: 16px;
  flex-shrink: 0;
  opacity: .7;
  display: flex; align-items: center; justify-content: center;
}

.menu-item:hover {
  color: #E6EDF3;
  background: var(--sidebar-hover-bg);
}

.menu-item.active {
  color: var(--sidebar-active-color);
  background: var(--sidebar-active-bg);
  border-left-color: var(--sidebar-active-border);
  font-weight: 500;
}

.menu-item.active .menu-icon { opacity: 1; }

/* ── 主内容区 ────────────────────────────────────── */
.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 1.75rem 2rem 3rem;
  min-width: 0;
  overflow-x: auto;
}

/* ── 页面标题 ────────────────────────────────────── */
h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: .5rem;
}

h2::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--border);
  margin-left: .75rem;
}

h3 { font-size: .9375rem; font-weight: 600; color: var(--text); margin-bottom: .75rem; }
h4 { font-size: .875rem;  font-weight: 600; color: var(--text); margin-bottom: .625rem; }

/* ── 卡片 ───────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

/* ── 统计格 ─────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

@media (max-width: 1100px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.stat-card::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
}

.stat-card:nth-child(1)::before { background: var(--accent); }
.stat-card:nth-child(2)::before { background: #0EA5E9; }
.stat-card:nth-child(3)::before { background: var(--success); }
.stat-card:nth-child(4)::before { background: var(--warning); }

.stat-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: .875rem;
  font-size: 1rem;
}

.stat-card:nth-child(1) .stat-icon { background: #EFF6FF; color: var(--accent); }
.stat-card:nth-child(2) .stat-icon { background: #F0F9FF; color: #0EA5E9; }
.stat-card:nth-child(3) .stat-icon { background: #ECFDF5; color: var(--success); }
.stat-card:nth-child(4) .stat-icon { background: #FFFBEB; color: var(--warning); }

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  letter-spacing: -.02em;
}

.stat-label {
  font-size: .75rem;
  color: var(--text-sub);
  margin-top: .35rem;
  font-weight: 500;
  letter-spacing: .01em;
}

/* ── 表单 ───────────────────────────────────────── */
.form-group { margin-bottom: 1.125rem; }

.form-group label {
  display: block;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: .375rem;
}

.form-control {
  width: 100%;
  padding: .5625rem .875rem;
  background: #FAFBFC;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(30,122,251,.1);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 80px;
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: .8125rem;
}

.form-row { display: flex; gap: 1rem; }
.form-group.half { flex: 1; }
.form-inline { display: flex; gap: .75rem; flex-wrap: wrap; align-items: flex-end; }
.text-muted { font-size: .75rem; color: var(--text-sub); margin-top: .3rem; display: block; }

/* ── 按钮 ───────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .375rem;
  padding: .4375rem 1rem;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  font-size: .8125rem; font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap; user-select: none;
}

.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #047857; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #B91C1C; }

.btn-outline {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg); color: var(--text); border-color: var(--border-strong); }

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: none;
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: .3125rem .6875rem; font-size: .75rem; border-radius: 5px; }
.btn-block { width: 100%; }

/* ── 表格 ───────────────────────────────────────── */
.table-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

.table th {
  background: #F8FAFC;
  padding: .625rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: .05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: .6875rem 1rem;
  border-bottom: 1px solid #F1F5F9;
  font-size: .875rem;
  vertical-align: middle;
  color: var(--text);
}

.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #FAFBFC; }

code {
  background: #F1F5F9;
  padding: .125rem .4rem;
  border-radius: 4px;
  font-size: .8rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  color: var(--accent);
  border: 1px solid var(--border);
}

/* ── Badge ──────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .72rem; font-weight: 600;
}

.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-info    { background: #DBEAFE; color: #1E40AF; }
.badge-pending { background: #F3F4F6; color: #374151; }

/* ── 提示框 ─────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: .75rem;
  padding: .875rem 1.125rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: 1.25rem;
  border: 1px solid;
  animation: slideDown .25s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success { background: #F0FDF4; color: #166534; border-color: #BBF7D0; }
.alert-error   { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }
.alert-info    { background: #EFF6FF; color: #1E40AF; border-color: #BFDBFE; }
.alert-warning { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }

/* ── 分割线 ─────────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 1.5rem 0; }

/* ── 登录页 ─────────────────────────────────────── */
.login-page {
  display: flex; justify-content: center; align-items: center;
  min-height: 100vh;
  background: #0D1117;
  position: relative; overflow: hidden;
}

/* 精细网格背景 */
.login-page::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* 中心光晕 */
.login-page::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(30,122,251,.08), transparent 70%);
  pointer-events: none;
}

.login-box {
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px;
  padding: 2.5rem 2.25rem;
  width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05);
  position: relative; z-index: 1;
  animation: fadeUp .4s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-logo {
  text-align: center; margin-bottom: 1.75rem;
}

.login-logo-mark {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(30,122,251,.15);
  border: 1px solid rgba(30,122,251,.3);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: .75rem;
}

.login-logo-mark svg { color: #60A5FA; }

.login-box h2 {
  text-align: center; margin-bottom: 1.75rem;
  font-size: 1.125rem; font-weight: 600;
  color: #E6EDF3;
}

.login-box h2::after { display: none; }

.login-box .form-group label { color: rgba(255,255,255,.65); }

.login-box .form-control {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.1);
  color: #E6EDF3;
}

.login-box .form-control:focus {
  background: rgba(255,255,255,.1);
  border-color: #1E7AFB;
  box-shadow: 0 0 0 3px rgba(30,122,251,.2);
}

.login-box .form-control::placeholder { color: rgba(255,255,255,.3); }
.login-box .text-muted { color: rgba(255,255,255,.3); }

/* ── 工具类 ─────────────────────────────────────── */
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sub     { color: var(--text-sub); }
.text-accent  { color: var(--accent); }
.fw-600       { font-weight: 600; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ── 空状态 ─────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--text-sub);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: .75rem; opacity: .35; }
.empty-state p { font-size: .875rem; }

/* ── 页面头部 ────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 1.125rem;
  border-bottom: 1px solid var(--border);
}
.page-header h2 { margin-bottom: 0; }
.page-header h2::after { display: none; }

/* ── 状态点 ─────────────────────────────────────── */
.dot {
  display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; margin-right: .35rem; vertical-align: middle;
}
.dot-success { background: var(--success); }
.dot-warning { background: var(--warning); }
.dot-danger  { background: var(--danger); }

/* ── 表单操作区 ──────────────────────────────────── */
.form-actions {
  display: flex; align-items: center; gap: .875rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
}

/* ── 标签 ───────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: .175rem .5rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 4px;
  font-size: .75rem; font-weight: 600;
}

/* ── 汉堡菜单 ────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 34px; height: 34px;
  cursor: pointer;
  background: transparent;
  border: none; padding: 4px;
  border-radius: 6px;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.hamburger span {
  display: block;
  width: 20px; height: 1.5px;
  background: #7D8590;
  border-radius: 2px;
  transition: all .22s ease;
}

.hamburger:hover span { background: #E6EDF3; }
.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── 侧边栏遮罩 ──────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 98;
  -webkit-tap-highlight-color: transparent;
}
.sidebar-overlay.active { display: block; }

/* ── HTML 编辑工具栏 ─────────────────────────────── */
.html-toolbar {
  display: flex; flex-wrap: wrap; gap: 3px;
  padding: 5px 8px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.html-toolbar button {
  padding: 2px 8px;
  font-size: .75rem;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-sub);
  line-height: 1.6;
  font-family: inherit;
  transition: background var(--transition);
}
.html-toolbar button:hover { background: var(--bg); color: var(--text); }
.html-toolbar .tb-sep { width: 1px; background: var(--border); margin: 2px 3px; }
.html-editor-wrap .html-editor { border-radius: 0 0 var(--radius-sm) var(--radius-sm) !important; border-top: none !important; }

/* ── 响应式 ─────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s cubic-bezier(.4,0,.2,1);
    z-index: 99;
    -webkit-overflow-scrolling: touch;
  }
  .sidebar.open { transform: translateX(0); }

  .content { margin-left: 0; padding: 1rem; }
  .navbar { padding-left: 1rem; }
  .hamburger { display: flex; }

  .nav-brand { font-size: .875rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 150px; }
  .nav-right { gap: .5rem; }
  .nav-right .nav-user { display: none; }

  .login-box { width: calc(100vw - 2rem); padding: 2rem 1.5rem; }

  .table-wrap, .table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: .75rem; }
  .form-row { flex-direction: column; gap: 0; }
}