:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --line: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* 旧顶栏样式保留供登录页使用（centered card 仍走 topbar+container）。 */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.topbar .logo { font-size: 16px; }
.topbar nav { display: flex; align-items: center; gap: 16px; }
.topbar a { color: var(--accent); text-decoration: none; }
.link-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 14px; padding: 0; }
.link-btn:hover { color: var(--text); }

.container { max-width: 1180px; margin: 0 auto; padding: 24px; }

/* ===================== 侧栏布局 ===================== */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  display: block;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
.sidebar-brand strong { display: block; font-size: 15px; letter-spacing: .5px; }
.sidebar-brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.sidebar nav { flex: 1; padding: 10px 0; display: flex; flex-direction: column; overflow-y: auto; }
.sidebar nav a {
  padding: 10px 22px;
  color: var(--text);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 3px solid transparent;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.sidebar nav a:hover { background: rgba(56,189,248,.06); }
.sidebar nav a.active {
  background: rgba(56,189,248,.12);
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.sidebar-logout {
  padding: 14px 22px;
  border-top: 1px solid var(--line);
}
.sidebar-logout button { text-align: left; }

.main { flex: 1; min-width: 0; }
.page { max-width: 1180px; padding: 24px; margin: 0 auto; }
.page-header { display: flex; align-items: baseline; justify-content: space-between; margin: 0 0 18px; }
.page-header h1 { font-size: 18px; margin: 0; }
.page-header small { color: var(--muted); font-size: 12px; }

/* 过滤器条 */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.filters label { margin: 0; }
.filters input, .filters select {
  margin: 0; padding: 7px 10px; font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 7px; color: var(--text);
}
.filters button { height: 32px; padding: 0 14px; font-size: 13px; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; gap: 12px; padding: 14px 0 4px; color: var(--muted); font-size: 13px; }
.pager a, .pager span { color: var(--accent); text-decoration: none; }
.pager span.cur { color: var(--text); font-weight: 600; }
.pager .dim { color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
.panel h2 { margin: 0 0 16px; font-size: 15px; color: var(--muted); }
.panel-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-actions h2 { margin: 0; }
.cleanup-form { display: flex; align-items: center; gap: 6px; }
.cleanup-form input { display: inline-block; width: 70px; margin: 0; padding: 5px 6px; }

.auth-card {
  max-width: 360px;
  margin: 80px auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
}
.auth-card h1 { font-size: 18px; margin: 0 0 20px; }

label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
input,
textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 96px; }

button.primary, .primary {
  background: var(--accent);
  color: #04222f;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
}

.create-form {
  display: grid;
  grid-template-columns: 1fr 1fr 140px 1fr auto;
  gap: 14px;
  align-items: end;
}
.create-form label { margin: 0; }
.create-form button { height: 38px; }

.download-form,
.site-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.download-form label,
.site-form label { margin: 0; }
.download-form button,
.site-form button { justify-self: start; }

table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th, table.grid td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.grid th { color: var(--muted); font-weight: 500; }
table.grid code { background: var(--panel-2); padding: 2px 6px; border-radius: 5px; }
.empty { text-align: center; color: var(--muted); padding: 18px; }
.ua { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.active { background: rgba(34,197,94,.18); color: var(--ok); }
.badge.expired { background: rgba(245,158,11,.18); color: var(--warn); }
.badge.disabled { background: rgba(148,163,184,.18); color: var(--muted); }
.badge.ev-login { background: rgba(34,197,94,.18); color: var(--ok); }
.badge.ev-logout { background: rgba(148,163,184,.18); color: var(--muted); }
.badge.ev-kicked { background: rgba(245,158,11,.18); color: var(--warn); }
.badge.ev-denied { background: rgba(239,68,68,.18); color: var(--danger); }
/* 意向用户来源 */
.badge.comment { background: rgba(56,189,248,.18); color: var(--accent); }
.badge.ai { background: rgba(168,85,247,.18); color: #d8b4fe; }
.badge.keyword { background: rgba(148,163,184,.18); color: var(--muted); }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 5px; }
.dot.online { background: var(--ok); }

.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.inline { display: inline; margin: 0; }
.inline.extend input,
.inline.extend select {
  display: inline-block;
  width: 76px;
  margin: 0 4px 0 0;
  padding: 5px 6px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
}
.btn {
  display: inline-block;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
}
.btn.sm { padding: 5px 9px; }
.btn.warn { color: var(--warn); border-color: var(--warn); }
.btn.danger { color: var(--danger); border-color: var(--danger); }

.kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kv small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-card small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.stat-card b { font-size: 22px; }
.stat-card b.sm { font-size: 14px; font-weight: 600; }
.stat-card.ok { border-left-color: var(--ok); }
.stat-card.warn { border-left-color: var(--warn); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.muted { border-left-color: var(--muted); }

.trend { display: flex; align-items: flex-end; gap: 8px; }
.trend-col { flex: 1; display: flex; flex-direction: column; align-items: center; }
.trend-track { width: 100%; height: 130px; display: flex; align-items: flex-end; justify-content: center; }
.trend-bar {
  width: 60%;
  min-height: 3px;
  background: linear-gradient(180deg, #38bdf8, #2563eb);
  border-radius: 4px 4px 0 0;
}
.trend-count { font-size: 11px; color: var(--muted); height: 14px; margin-bottom: 4px; }
.trend-label { font-size: 11px; color: var(--muted); margin-top: 6px; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash.error { background: rgba(239,68,68,.15); color: #fca5a5; }
.flash.success { background: rgba(34,197,94,.15); color: #86efac; }

.ai-report {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding: 12px 14px;
  border-radius: 8px;
  border-left: 3px solid #38bdf8;
  background: rgba(56,189,248,.06);
  font: 13px/1.7 inherit;
  color: var(--text, #e2e8f0);
}
.ai-report.is-error { border-left-color: #f87171; color: #fca5a5; }
.muted { color: var(--muted); font-size: 12px; margin: 8px 0 0; }