:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --line: #e5e8ee;
  --text: #1f2430;
  --muted: #7b8494;
  --primary: #2563eb;
  --primary-soft: #eef4ff;
  --green: #0f9d58;
  --red: #d93025;
  --amber: #e8890c;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

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

/* ---------------- 布局 ---------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 216px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 18px 0;
  position: fixed;
  inset: 0 auto 0 0;
  overflow-y: auto;
}

.brand {
  padding: 0 20px 18px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
}
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; margin-top: 2px; }

.nav a {
  display: block;
  padding: 9px 20px;
  color: #414855;
  border-left: 3px solid transparent;
  font-size: 13.5px;
}
.nav a:hover { background: #f7f9fc; }
.nav a.on { background: var(--primary-soft); color: var(--primary); border-left-color: var(--primary); font-weight: 600; }
.nav .group { padding: 14px 20px 6px; font-size: 11.5px; color: var(--muted); letter-spacing: .5px; }

.main {
  margin-left: 216px;
  flex: 1;
  padding: 20px 24px 60px;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.topbar h1 { font-size: 19px; margin: 0; }
.topbar .who { color: var(--muted); font-size: 13px; }
.topbar .who b { color: var(--text); }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card > h2 {
  font-size: 14.5px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.card > h2 .hint { font-weight: 400; color: var(--muted); font-size: 12.5px; margin-left: 8px; }

.grid { display: grid; gap: 12px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat .k { color: var(--muted); font-size: 12.5px; }
.stat .v { font-size: 24px; font-weight: 700; margin-top: 4px; letter-spacing: -.5px; }
.stat .v small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 4px; }

/* ---------------- 表格 ---------------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { background: #fafbfd; color: var(--muted); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafcff; }
td.mono, .mono { font-family: ui-monospace, Consolas, "Courier New", monospace; }
.empty { text-align: center; color: var(--muted); padding: 26px 0; }

/* ---------------- 表单 ---------------- */
input[type=text], input[type=password], input[type=number], input[type=date],
input[type=datetime-local], select, textarea {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  outline: none;
  max-width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
label.f { display: inline-flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); margin: 0 12px 10px 0; }
label.f > span.t { color: var(--muted); }
.row { display: flex; flex-wrap: wrap; align-items: flex-end; }

button, .btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 7px;
  padding: 7px 13px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: .12s;
}
button:hover, .btn:hover { border-color: #c9d2e0; background: #f8fafc; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: #1d54c9; border-color: #1d54c9; }
button.danger { color: var(--red); border-color: #f3c7c3; }
button.danger:hover { background: #fdf2f1; }
button.mini { padding: 3px 8px; font-size: 12px; border-radius: 6px; }
button:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------- 标签 ---------------- */
.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  line-height: 18px;
  background: #eef1f6;
  color: #5a6474;
  white-space: nowrap;
}
.tag.ok { background: #e8f6ee; color: var(--green); }
.tag.warn { background: #fef4e6; color: var(--amber); }
.tag.bad { background: #fdeeed; color: var(--red); }
.tag.info { background: var(--primary-soft); color: var(--primary); }

/* ---------------- 提示 ---------------- */
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #1f2430;
  color: #fff;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: .2s;
  pointer-events: none;
  z-index: 99;
  max-width: 420px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.bad { background: #b3261e; }

/* ---------------- 登录页 ---------------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #eef3fb 0%, #f7f9fc 60%);
}
.login-box {
  width: 360px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px;
  box-shadow: 0 12px 40px rgba(31,36,48,.07);
}
.login-box h1 { font-size: 18px; margin: 0 0 4px; }
.login-box p.sub { color: var(--muted); font-size: 12.5px; margin: 0 0 20px; }
.login-box input { width: 100%; margin-bottom: 12px; padding: 9px 12px; }
.login-box button { width: 100%; padding: 10px; }
.err { background: #fdeeed; color: var(--red); border-radius: 7px; padding: 8px 12px; font-size: 12.5px; margin-bottom: 12px; }

/* ---------------- 代码块 ---------------- */
pre.code {
  background: #0f172a;
  color: #d7e0ef;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 12.5px;
  overflow-x: auto;
  line-height: 1.7;
}
.nowrap { white-space: nowrap; }
.muted { color: var(--muted); }
.right { text-align: right; }
.mt8 { margin-top: 8px; }
.mt16 { margin-top: 16px; }

/* ================= 操作台 ================= */
.op-card { padding: 18px; }

.op-search { display: flex; gap: 10px; }
.op-search input {
  flex: 1;
  padding: 12px 14px;
  font-size: 15px;
  border-radius: 9px;
}
.op-search button { padding: 0 22px; font-size: 14px; }

.op-quick {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.qbtn {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 14px;
  color: var(--text);
  background: #fbfcfe;
  transition: .12s;
}
.qbtn:hover { border-color: #c7d5ee; background: #f5f9ff; transform: translateY(-1px); }
.qbtn b { display: block; font-size: 14.5px; }
.qbtn span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.qbtn.warn { background: #fffaf2; border-color: #f4e2c6; }
.qbtn.warn b { color: #b06c00; }

.person { border-left: 3px solid var(--primary); }
.person-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.person-name { font-size: 17px; font-weight: 700; }
.person-meta { color: var(--muted); font-size: 12.5px; }

.kv {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.kv-item { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.kv-item .k { color: var(--muted); font-size: 12px; }
.kv-item .v { font-size: 13.5px; word-break: break-all; }

.person-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.person-actions button { padding: 8px 14px; }

.person-logs { margin-top: 14px; }
.logline { font-size: 12.5px; padding: 5px 0; border-bottom: 1px dashed var(--line); }
.logline:last-child { border-bottom: none; }

.exprow {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 6px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.exprow:hover { background: #f8fbff; }
.exprow b { min-width: 110px; }
.exprow .muted { flex: 1; }

.stat-row { margin-top: 4px; }

.modpicks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  max-height: 140px;
  overflow-y: auto;
}
.modpick { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--text); }
.modpick .muted { font-size: 11.5px; }

.nav-mask { display: none; }
.topbar-m { display: none; }

/* ================= 手机 / 窄屏 ================= */
@media (max-width: 900px) {
  .topbar-m {
    display: flex;
    align-items: center;
    gap: 10px;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 52px;
    padding: 0 14px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    z-index: 40;
  }
  .menu-btn {
    border: none;
    background: transparent;
    font-size: 20px;
    padding: 4px 8px;
    line-height: 1;
  }
  .topbar-m-title { font-weight: 700; font-size: 15px; flex: 1; }
  .topbar-m-who { color: var(--muted); font-size: 12.5px; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 50;
    box-shadow: 0 0 30px rgba(0,0,0,.12);
    width: 240px;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .nav-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(20,24,32,.35);
    z-index: 45;
  }

  .main {
    margin-left: 0;
    padding: 66px 14px 40px;
  }
  .topbar { display: none; }

  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .op-quick { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .person-actions button { flex: 1 1 auto; }

  .card { padding: 14px; border-radius: 12px; }
  .stat .v { font-size: 20px; }

  /* 表格在手机上横向滚，不撑破布局 */
  .card > div[style*="overflow-x"] { margin: 0 -14px; padding: 0 14px; }
  table { min-width: 620px; }

  .exprow { flex-wrap: wrap; gap: 6px 10px; }
  .exprow b { min-width: 0; }
  .exprow .muted { flex: 1 0 100%; }
}

@media (max-width: 480px) {
  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .op-search { flex-direction: column; }
  .op-search button { padding: 11px; }
}