:root {
  --bg: #0f1419;
  --bg-2: #161c24;
  --panel: #1b2330;
  --panel-2: #222c3c;
  --line: #2c3848;
  --text: #e6edf3;
  --text-2: #9aa7b8;
  --accent: #2f81f7;
  --accent-2: #1f6feb;
  --green: #2ea043;
  --red: #f85149;
  --yellow: #d29922;
  --radius: 10px;
  --shadow: 0 8px 28px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit; font-size: 14px; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 11px; outline: none; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

/* ---------- 登录 ---------- */
.login-view { height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2a44 0%, var(--bg) 60%); }
.login-card { width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 32px 28px; box-shadow: var(--shadow); }
.login-brand { text-align: center; margin-bottom: 22px; }
.logo { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #7c3aed); display: flex; align-items: center;
  justify-content: center; font-size: 26px; font-weight: 700; color: #fff; }
.login-brand h1 { font-size: 19px; margin: 0 0 4px; }
.login-brand p { margin: 0; color: var(--text-2); font-size: 12.5px; }
.login-card label { display: block; margin: 14px 0 6px; color: var(--text-2); font-size: 13px; }
#login-btn { margin-top: 20px; width: 100%; padding: 11px; border: none; border-radius: 9px;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 600; }
#login-btn:hover { background: var(--accent-2); }
.form-error { color: var(--red); font-size: 12.5px; min-height: 16px; margin-top: 8px; }
.login-remember { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.login-remember .remember { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 12.5px; cursor: pointer; }
.login-remember .remember input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.login-remember .remember-forgot { color: var(--text-2); font-size: 12.5px; cursor: pointer; text-decoration: none; }
.login-remember .remember-forgot:hover { color: var(--accent); }
.login-foot { text-align: center; color: var(--text-2); font-size: 11.5px; margin-top: 18px; }

/* ---------- 主框架 ---------- */
.app-view { display: flex; height: 100vh; }
.sidebar { width: 230px; background: var(--bg-2); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px;
  border-bottom: 1px solid var(--line); font-weight: 700; }
.logo-sm { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg,var(--accent),#7c3aed);
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; }
.nav { padding: 12px 10px; flex: 1; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 9px;
  color: var(--text-2); cursor: pointer; margin-bottom: 4px; font-size: 14px; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--panel-2); color: #fff; }
.nav-item i { width: 18px; text-align: center; opacity: .9; }
.sidebar-foot { padding: 14px; border-top: 1px solid var(--line); }
.me { font-size: 12.5px; color: var(--text-2); margin-bottom: 8px; }
.me b { color: var(--text); }
.btn-ghost { width: 100%; padding: 8px; background: transparent; border: 1px solid var(--line);
  border-radius: 8px; color: var(--text-2); }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }

.content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 58px; border-bottom: 1px solid var(--line); display: flex; align-items: center;
  justify-content: space-between; padding: 0 22px; background: var(--bg-2); }
.crumb { font-size: 16px; font-weight: 600; }
.src-badge { font-size: 12px; color: var(--text-2); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 20px; }
.page { padding: 22px; overflow-y: auto; flex: 1; }

/* ---------- 通用组件 ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin-bottom: 18px; }
.card h3 { margin: 0 0 14px; font-size: 15px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.grid { display: grid; gap: 14px; }
.stat-grid { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat .label { color: var(--text-2); font-size: 12.5px; }
.stat .value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.stat .sub { color: var(--text-2); font-size: 12px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--text-2); font-weight: 600; font-size: 12.5px; background: var(--bg-2); position: sticky; top: 0; }
tbody tr:hover { background: var(--panel-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

.btn { padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2);
  color: var(--text); font-size: 13px; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-danger { border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-ok { background: rgba(46,160,67,.18); color: var(--green); }
.badge-off { background: rgba(248,81,73,.18); color: var(--red); }
.badge-warn { background: rgba(210,153,34,.18); color: var(--yellow); }
.badge-info { background: rgba(47,129,247,.18); color: var(--accent); }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .grow { flex: 1; }
.toolbar input, .toolbar select { width: auto; min-width: 150px; }

.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center;
  justify-content: center; z-index: 50; }
.modal { width: 440px; max-width: 92vw; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px; box-shadow: var(--shadow); }
.modal h3 { margin: 0 0 16px; }
.modal .field { margin-bottom: 14px; }
.modal .field label { display: block; margin-bottom: 6px; color: var(--text-2); font-size: 13px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.drawer { position: fixed; top: 0; right: 0; height: 100vh; width: 560px; max-width: 94vw; background: var(--bg-2);
  border-left: 1px solid var(--line); box-shadow: var(--shadow); z-index: 60; transform: translateX(100%);
  transition: transform .22s ease; display: flex; flex-direction: column; }
.drawer.open { transform: translateX(0); }
.drawer header { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex;
  justify-content: space-between; align-items: center; }
.drawer .body { padding: 18px 20px; overflow-y: auto; flex: 1; }
.drawer .close { background: transparent; border: none; color: var(--text-2); font-size: 20px; }

.toast { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); background: var(--panel-2);
  border: 1px solid var(--line); padding: 11px 18px; border-radius: 10px; z-index: 99; box-shadow: var(--shadow);
  font-size: 13.5px; animation: pop .2s ease; }
.toast.ok { border-color: var(--green); }
.toast.err { border-color: var(--red); }
@keyframes pop { from { opacity: 0; transform: translate(-50%, -8px); } to { opacity: 1; } }

.muted { color: var(--text-2); }
.empty { text-align: center; color: var(--text-2); padding: 40px 0; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 12px; font-size: 13px; }
.kv .k { color: var(--text-2); }
.section-title { font-size: 14px; font-weight: 600; margin: 18px 0 10px; color: var(--accent); }
.preset-row { display: flex; gap: 8px; }
.preset-row .btn { flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab { padding: 7px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--text-2); cursor: pointer; }
.tab.active { background: var(--panel-2); color: #fff; }

/* 只读管理员（readonly_admin）：前端隐藏全部写操作按钮，与后端 requireWrite 双重防护 */
body.readonly .write-action { display: none !important; }
.chk { cursor: pointer; }
.toggles { display: flex; flex-wrap: wrap; gap: 4px 18px; padding: 4px 0; }

/* 数据报表：简易条形图 */
.bar-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; font-size: 13px; }
.bar-label { width: 90px; color: var(--text-2); flex: 0 0 auto; }
.bar-track { flex: 1; background: var(--panel-2); border-radius: 6px; overflow: hidden; height: 18px; }
.bar-fill { height: 100%; background: linear-gradient(90deg, #4f86ff, #6aa6ff); color: #fff; font-size: 11px; line-height: 18px; padding-left: 6px; min-width: 22px; border-radius: 6px; }

/* 移动端辅助控件：默认隐藏，@media 窄屏显示 */
.hamburger { display: none; background: none; border: none; color: var(--text-1, #e6edf3); font-size: 22px; padding: 6px 10px; cursor: pointer; }
.sidebar-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 999; }

/* 窄屏（手机/小屏）响应式：sidebar 改抽屉、表格横向滚动、模态全宽 */
@media (max-width: 768px) {
  .app-view { flex-direction: column; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 1000;
    transform: translateX(-100%); transition: transform 0.25s ease;
    box-shadow: 4px 0 16px rgba(0,0,0,0.4);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-mask.open { display: block; }
  .hamburger { display: inline-flex; }
  .content { width: 100%; }
  .topbar { height: 50px; padding: 0 10px; }
  .page-root { padding: 10px 8px; }
  .card { padding: 12px; }
  .modal { width: 96vw; max-width: 96vw; }
  .drawer { width: 94vw; }
  .toolbar { flex-wrap: wrap; gap: 6px; }
  .toolbar input, .toolbar select { flex: 1 1 auto; min-width: 0; }
  .login-card { width: 92vw !important; padding: 28px 20px !important; }
  .login-foot { font-size: 11px; }
  /* 表格横向滚动，避免挤成窄条看不清 */
  .table-wrap, .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 100%; }
  /* 卡片式行间距放大（手机点击更顺手） */
  .grid { grid-template-columns: 1fr 1fr !important; }
}