* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --brand: #0f9f8f;
  --brand-d: #0b7d70;
  --bg: #f4f6f8;
  --card: #fff;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --danger: #dc2626;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
a { color: var(--brand); text-decoration: none; }
[v-cloak] { display: none; }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0f9f8f 0%, #166d8f 100%); }
.login-card { background: #fff; border-radius: 14px; padding: 32px 28px; width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p { color: var(--muted); font-size: 13px; margin-bottom: 18px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 208px; background: #12262b; color: #cbd5d8; flex-shrink: 0; display: flex;
  flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar .brand { padding: 18px 20px; font-size: 16px; font-weight: 600; color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08); }
.nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.nav a { display: block; padding: 10px 20px; color: #cbd5d8; font-size: 14px; cursor: pointer;
  border-left: 3px solid transparent; }
.nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav a.active { background: rgba(15,159,143,.18); color: #fff; border-left-color: var(--brand); }
.sidebar .foot { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; }
.main { flex: 1; padding: 22px 26px; max-width: 1200px; }
.page-title { font-size: 19px; font-weight: 600; margin-bottom: 16px; }

/* 通用组件 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; margin-bottom: 16px; }
.card h3 { font-size: 15px; margin-bottom: 12px; }
.grid { display: grid; gap: 14px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.stat .num { font-size: 26px; font-weight: 700; color: var(--brand-d); }
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: #fff; color: var(--text); cursor: pointer; font-size: 13px; }
.btn:hover { background: #f3f4f6; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-d); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; background: #fafbfc; }
tr:hover td { background: #fafbfc; }
.empty { color: var(--muted); text-align: center; padding: 26px; }

input, select, textarea { font-family: inherit; font-size: 13px; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: 8px; outline: none; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); }
label.field { display: block; margin-bottom: 10px; }
label.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1; }
.row > .fixed { flex: 0 0 auto; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px;
  border: 1px solid var(--border); background: #f9fafb; }
.badge.ok { color: #047857; border-color: #a7f3d0; background: #ecfdf5; }
.badge.warn { color: #b45309; border-color: #fde68a; background: #fffbeb; }
.badge.err { color: #b91c1c; border-color: #fecaca; background: #fef2f2; }
.badge.info { color: #1d4ed8; border-color: #bfdbfe; background: #eff6ff; }

.msg { padding: 9px 13px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.msg.err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.msg.ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.42); display: flex;
  align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal { background: #fff; border-radius: 12px; padding: 22px; width: 460px; max-width: 94vw;
  max-height: 88vh; overflow-y: auto; box-shadow: 0 18px 45px rgba(0,0,0,.25); }
.modal h3 { margin-bottom: 14px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.secret-box { background: #fffbeb; border: 1px dashed #f59e0b; border-radius: 8px; padding: 12px 14px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 15px; word-break: break-all;
  margin: 10px 0; letter-spacing: .5px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.code { font-family: ui-monospace, Menlo, Consolas, monospace; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.q { font-weight: 600; }
.q0 { color: var(--danger); font-weight: 600; }
.chat-box { height: 320px; overflow-y: auto; background: #f9fafb; border: 1px solid var(--border);
  border-radius: 8px; padding: 14px; margin-bottom: 10px; }
.chat-msg { margin-bottom: 12px; display: flex; }
.chat-msg.user { justify-content: flex-end; }
.chat-msg .b { max-width: 78%; padding: 9px 13px; border-radius: 12px; white-space: pre-wrap;
  word-break: break-word; line-height: 1.55; }
.chat-msg.user .b { background: var(--brand); color: #fff; }
.chat-msg.bot .b { background: #fff; border: 1px solid var(--border); }
.tag { display: inline-block; font-size: 11px; color: #1d4ed8; background: #eff6ff; border: 1px solid #bfdbfe;
  border-radius: 6px; padding: 1px 7px; margin: 3px 4px 0 0; }