/* ============================================================================
   管理后台样式
   沿用监控页的深色工业风令牌（见 style.css :root），保证两个页面切换无割裂感。
   这里只补管理后台特有的组件：表格 / 弹窗 / 权限矩阵 / 设备树。
   ============================================================================ */
:root {
  --bg: #060a10;
  --pan: #0c1622;
  --pan2: #101d2b;
  --line: rgba(72, 140, 200, 0.18);
  --line2: rgba(72, 140, 200, 0.34);
  --txt: #eaf6ff;
  --txt2: #9ec4e2;
  --txt3: #5f87a8;
  --run: #35d29a;
  --standby: #ffb347;
  --alarm: #ff5a5a;
  --stop: #8b98a8;
  --accent: #35c2ff;
  --ok: #35c47a;
  --mono: Consolas, Monaco, "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(ellipse at 50% -10%, #0c1a28 0%, var(--bg) 64%);
  color: var(--txt);
  font: 14px/1.5 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 22px;
  padding: 12px 20px;
  background: linear-gradient(180deg, rgba(9, 17, 27, 0.96), rgba(9, 17, 27, 0.72));
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 10px; height: 34px; border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), #1d6fa5);
}
.brand h1 { margin: 0; font-size: 17px; font-weight: 500; letter-spacing: 0.5px; }
.brand p { margin: 2px 0 0; font-size: 11.5px; color: var(--txt3); }

.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav button {
  padding: 5px 13px; border-radius: 7px; cursor: pointer; font-size: 12.5px;
  background: rgba(6, 12, 20, 0.6); color: var(--txt2);
  border: 1px solid var(--line); transition: all .15s;
}
.nav button:hover { border-color: var(--line2); color: var(--txt); }
.nav button.on { background: rgba(53, 194, 255, 0.14); border-color: var(--accent); color: var(--txt); font-weight: 600; }

.kpis { display: flex; gap: 10px; margin-left: auto; }
.kpi {
  min-width: 84px; padding: 5px 11px 6px;
  background: rgba(6, 12, 20, 0.66);
  border: 1px solid var(--line); border-radius: 9px;
}
.kpi .k { display: block; font-size: 10.5px; color: var(--txt3); }
.kpi b { font-family: var(--mono); font-size: 16px; font-weight: 400; }

.conn { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--txt2); }
.backlink {
  padding: 3px 9px; font-size: 11.5px; color: var(--txt3);
  border: 1px solid var(--line); border-radius: 5px; white-space: nowrap;
}
.backlink:hover { color: var(--txt); border-color: var(--ok); text-decoration: none; }
.dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--stop);
  box-shadow: 0 0 0 3px rgba(139, 152, 168, 0.18);
}
.dot.on { background: var(--run); box-shadow: 0 0 0 3px rgba(53, 210, 154, 0.2); }
.dot.off { background: var(--alarm); box-shadow: 0 0 0 3px rgba(255, 90, 90, 0.2); }

/* ---------------------------------------------------------------- 布局 */
main { padding: 14px 20px 64px; }
section > .panel + .panel { margin-top: 12px; }

.panel {
  background: linear-gradient(180deg, var(--pan2), var(--pan));
  border: 1px solid var(--line); border-radius: 11px;
  padding: 14px 16px;
}
.panel-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.panel-head b { font-size: 14px; font-weight: 500; }
.panel-head .sub { font-size: 11.5px; color: var(--txt3); }
.panel-head .head-actions { margin-left: auto; display: flex; gap: 7px; }

.two-col { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; margin-top: 12px; }
@media (max-width: 1100px) { .two-col { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- 按钮 */
.btn {
  padding: 5px 13px; font-size: 12.5px; color: var(--txt2);
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
  border-radius: 6px; cursor: pointer; transition: all .15s;
}
.btn:hover:not(:disabled) { color: var(--txt); border-color: var(--ok); }
.btn:disabled { opacity: 0.42; cursor: not-allowed; }
.btn-sm { padding: 3px 9px; font-size: 11.5px; }
.btn-primary {
  color: #061009; font-weight: 600;
  background: linear-gradient(180deg, #35c47a, #23a05e); border-color: #23a05e;
}
.btn-primary:hover:not(:disabled) { color: #061009; border-color: #46d98d; }
.btn-danger { color: #ff8a8a; border-color: rgba(255, 90, 90, 0.4); }
.btn-danger:hover:not(:disabled) { color: #ffb0b0; border-color: var(--alarm); }

/* ---------------------------------------------------------------- 工具条 */
.toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 12px;
}
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 12.5px;
  background: rgba(6, 12, 20, 0.6); color: var(--txt2);
  border: 1px solid var(--line); transition: all .15s;
}
.tab:hover { border-color: var(--line2); color: var(--txt); }
.tab.on { background: rgba(53, 194, 255, 0.14); border-color: var(--accent); color: var(--txt); }
.tab em { font-style: normal; color: var(--txt3); margin-left: 5px; font-size: 11px; }

.search, .sel {
  padding: 6px 10px; font-size: 12.5px; color: var(--txt);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line); border-radius: 6px; outline: none;
}
.search { width: 240px; }
.search.sm { width: 100%; margin-bottom: 8px; }
.sel { cursor: pointer; }
.sel option { background: #0c1622; }
.search:focus, .sel:focus { border-color: var(--accent); }

.hint2 { font-size: 11.5px; color: var(--txt3); }
.hint2 code {
  font-family: var(--mono); font-size: 11px;
  padding: 1px 5px; background: rgba(255,255,255,0.05); border-radius: 4px;
}
.hl { color: var(--run); }

.empty { color: var(--txt3); font-size: 13px; padding: 36px 0; text-align: center; }

/* ---------------------------------------------------------------- 表格 */
.tb { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tb th {
  text-align: left; padding: 8px 10px; font-weight: 500; font-size: 11.5px;
  color: var(--txt3); border-bottom: 1px solid var(--line2);
  position: sticky; top: 0; background: var(--pan2); z-index: 1;
}
.tb td {
  padding: 8px 10px; border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.tb tbody tr:hover { background: rgba(53, 194, 255, 0.05); }
.tb.tiny th, .tb.tiny td { padding: 5px 8px; font-size: 11.5px; }
.tb .num { font-family: var(--mono); text-align: right; }
.tb .mono { font-family: var(--mono); font-size: 11.5px; }
.tb .actions { display: flex; gap: 5px; justify-content: flex-end; }
.table-scroll { max-height: 60vh; overflow: auto; }

.tag {
  display: inline-block; padding: 1px 7px; margin: 1px 3px 1px 0;
  font-size: 11px; border-radius: 4px;
  background: rgba(53, 194, 255, 0.12); color: #8fd8ff;
  border: 1px solid rgba(53, 194, 255, 0.3);
}
.tag.gray { background: rgba(255,255,255,0.05); color: var(--txt3); border-color: var(--line); }
.tag.green { background: rgba(53, 210, 154, 0.12); color: #7ee6bb; border-color: rgba(53,210,154,0.3); }
.tag.red { background: rgba(255, 90, 90, 0.12); color: #ff9a9a; border-color: rgba(255,90,90,0.32); }
.tag.amber { background: rgba(255, 179, 71, 0.12); color: #ffcf8a; border-color: rgba(255,179,71,0.32); }

.pager {
  display: flex; align-items: center; gap: 8px;
  margin-top: 10px; font-size: 12px; color: var(--txt3);
}
.pager .spacer { margin-left: auto; }

/* ---------------------------------------------------------------- 概览 */
.cards {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.stat {
  padding: 14px 16px; border-radius: 11px;
  background: linear-gradient(180deg, var(--pan2), var(--pan));
  border: 1px solid var(--line);
}
.stat .lbl { display: block; font-size: 11.5px; color: var(--txt3); margin-bottom: 6px; }
.stat .big { font-family: var(--mono); font-size: 25px; font-weight: 400; line-height: 1.1; }
.stat .small { font-size: 11.5px; color: var(--txt3); margin-top: 4px; }
.stat.warn .big { color: var(--standby); }
.stat.bad .big { color: var(--alarm); }
.stat.good .big { color: var(--run); }

.spark { width: 100%; height: 150px; display: block; }
.spark-legend {
  display: flex; gap: 16px; margin-top: 8px;
  font-size: 11.5px; color: var(--txt3);
}
.lg { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }
.lg-cpu { background: #35c2ff; }
.lg-mem { background: #ffb347; }
.lg-heap { background: #35d29a; }

.mini-audit { max-height: 210px; overflow: auto; }
.mini-row {
  display: flex; gap: 8px; align-items: baseline;
  padding: 6px 2px; border-bottom: 1px solid var(--line); font-size: 12px;
}
.mini-row:last-child { border-bottom: none; }
.mini-row .t { font-family: var(--mono); font-size: 11px; color: var(--txt3); white-space: nowrap; }
.mini-row .u { color: var(--txt2); white-space: nowrap; }
.mini-row .m { color: var(--txt3); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------------------------------------------------------- 角色权限 */
.role-wrap { display: grid; gap: 12px; grid-template-columns: 260px 1fr; align-items: start; }
@media (max-width: 1000px) { .role-wrap { grid-template-columns: 1fr; } }

.role-items { display: flex; flex-direction: column; gap: 5px; }
.role-item {
  padding: 8px 11px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(6, 12, 20, 0.4);
  transition: all .15s;
}
.role-item:hover { border-color: var(--line2); }
.role-item.on { border-color: var(--accent); background: rgba(53, 194, 255, 0.1); }
.role-item .rn { font-size: 13px; display: flex; align-items: center; gap: 6px; }
.role-item .rc { font-family: var(--mono); font-size: 11px; color: var(--txt3); margin-top: 2px; }
.role-item .ru { font-size: 11px; color: var(--txt3); margin-top: 3px; }

.matrix-body { max-height: 62vh; overflow: auto; }
.perm-group { margin-bottom: 14px; }
.perm-group > .gh {
  font-size: 11.5px; color: var(--accent); margin-bottom: 6px;
  padding-bottom: 4px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px;
}
.perm-group > .gh .gact { margin-left: auto; display: flex; gap: 6px; }
.perm-group > .gh button {
  padding: 1px 8px; font-size: 11px; color: var(--txt3); cursor: pointer;
  background: transparent; border: 1px solid var(--line); border-radius: 4px;
}
.perm-group > .gh button:hover { color: var(--txt); border-color: var(--ok); }

.perm-item {
  display: flex; align-items: center; gap: 10px;
  padding: 5px 4px; font-size: 12.5px;
}
.perm-item label { display: flex; align-items: center; gap: 7px; cursor: pointer; }
.perm-item input[type=checkbox] { width: 14px; height: 14px; cursor: pointer; accent-color: var(--ok); }
.perm-item input[type=checkbox]:disabled { cursor: not-allowed; }
.perm-item .pc { font-family: var(--mono); font-size: 11px; color: var(--txt3); }
.perm-item .pn { color: var(--txt2); }
.perm-item.locked { opacity: 0.75; }

.matrix-foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--line);
}
.matrix-foot .msg { font-size: 12px; min-height: 15px; flex: 1; }
.msg.ok { color: #8fd6b2; }
.msg.err { color: #e08a6a; }

/* ---------------------------------------------------------------- 资源监控 */
.gauge-row {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  margin-bottom: 12px;
}
.gauge {
  padding: 12px 14px; border-radius: 11px;
  background: linear-gradient(180deg, var(--pan2), var(--pan));
  border: 1px solid var(--line);
}
.gauge .gt { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.gauge .gt span { font-size: 11.5px; color: var(--txt3); }
.gauge .gt b { font-family: var(--mono); font-size: 17px; font-weight: 400; }
.gauge .bar { height: 7px; border-radius: 4px; background: rgba(255,255,255,0.07); overflow: hidden; }
.gauge .bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, #23a05e, #35d29a); transition: width .4s; }
.gauge .bar i.warn { background: linear-gradient(90deg, #d08a20, #ffb347); }
.gauge .bar i.bad { background: linear-gradient(90deg, #c04040, #ff5a5a); }
.gauge .gs { font-size: 11px; color: var(--txt3); margin-top: 6px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 12.5px; }
.kv dt { color: var(--txt3); white-space: nowrap; }
.kv dd { margin: 0; font-family: var(--mono); font-size: 12px; text-align: right; }

/* ---------------------------------------------------------------- MQTT 点表 */
.mqtt-wrap { display: grid; gap: 12px; grid-template-columns: 250px 1fr; align-items: start; }
@media (max-width: 1050px) { .mqtt-wrap { grid-template-columns: 1fr; } }

.eq-list { max-height: 64vh; overflow: auto; display: flex; flex-direction: column; gap: 4px; }
.eq-item {
  padding: 7px 10px; border-radius: 7px; cursor: pointer; font-size: 12px;
  border: 1px solid transparent; transition: all .12s;
}
.eq-item:hover { background: rgba(53, 194, 255, 0.06); }
.eq-item.on { background: rgba(53, 194, 255, 0.13); border-color: var(--accent); }
.eq-item .ec { font-family: var(--mono); font-size: 11px; color: var(--txt3); }
.eq-item .en { display: block; }
.eq-item .eb { float: right; font-size: 10.5px; font-family: var(--mono); color: var(--txt3); }
.eq-item .eb.done { color: var(--run); }

.mqtt-tb { min-width: 980px; }
.mqtt-tb input[type=text], .mqtt-tb input[type=number], .mqtt-tb select {
  width: 100%; padding: 4px 7px; font-size: 11.5px; font-family: var(--mono);
  color: var(--txt); background: rgba(255,255,255,0.05);
  border: 1px solid var(--line); border-radius: 5px; outline: none;
}
.mqtt-tb input:focus, .mqtt-tb select:focus { border-color: var(--accent); }
.mqtt-tb input[disabled] { opacity: 0.45; }
.mqtt-tb td { padding: 5px 6px; }
.mqtt-tb .cell-key { font-family: var(--mono); font-size: 11.5px; color: var(--txt); }
.mqtt-tb .cell-name { font-size: 11.5px; color: var(--txt3); }
.mqtt-tb tr.dirty { background: rgba(255, 179, 71, 0.07); }
.mqtt-tb tr.off td { opacity: 0.55; }

/* ---------------------------------------------------------------- 弹窗 */
.modal {
  position: fixed; inset: 0; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 7, 12, 0.8); backdrop-filter: blur(3px);
}
.modal-card {
  width: min(560px, 94vw); max-height: 88vh; overflow: auto;
  padding: 20px 22px 16px;
  background: linear-gradient(180deg, #0e1722, #0b111a);
  border: 1px solid var(--line2); border-radius: 12px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.6);
}
.modal-card.wide { width: min(900px, 95vw); }
.modal-body { font-size: 13px; }
.modal-body .frow { margin-bottom: 11px; }
.modal-body label.fl { display: block; font-size: 12px; color: var(--txt3); margin-bottom: 4px; }
.modal-body input[type=text], .modal-body input[type=password], .modal-body select, .modal-body textarea {
  width: 100%; padding: 8px 10px; font-size: 13px; color: var(--txt);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line); border-radius: 7px; outline: none;
  font-family: inherit;
}
.modal-body input:focus, .modal-body select:focus, .modal-body textarea:focus { border-color: var(--ok); }
.modal-body select option { background: #0c1622; }
.modal-body .fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 620px) { .modal-body .fgrid { grid-template-columns: 1fr; } }
.modal-body .roles { display: flex; flex-wrap: wrap; gap: 10px; }
.modal-body .roles label {
  display: flex; align-items: center; gap: 6px; font-size: 12.5px;
  padding: 5px 10px; border: 1px solid var(--line); border-radius: 7px; cursor: pointer;
}
.modal-body .roles label:has(input:checked) { border-color: var(--ok); background: rgba(53,196,122,0.09); }
.modal-body .roles input { accent-color: var(--ok); }
.modal-body .pwdhint { font-size: 11.5px; color: var(--txt3); margin-top: 5px; line-height: 1.6; }
.modal-body .warn {
  margin: 0 0 12px; padding: 9px 11px; font-size: 12px; line-height: 1.6;
  color: #ffcf8a; background: rgba(255, 179, 71, 0.08);
  border: 1px solid rgba(255, 179, 71, 0.28); border-radius: 7px;
}

.cred-row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 11px; margin-bottom: 8px;
  background: rgba(53, 210, 154, 0.07);
  border: 1px solid rgba(53, 210, 154, 0.25); border-radius: 7px;
}
.cred-row span { font-size: 12px; color: var(--txt3); min-width: 62px; }
.cred-row code {
  font-family: var(--mono); font-size: 15px; color: var(--txt);
  letter-spacing: 0.5px; user-select: all;
}

/* 版本历史 */
.rev-row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 4px; border-bottom: 1px solid var(--line); font-size: 12.5px;
}
.rev-row:last-child { border-bottom: none; }
.rev-row .rv { font-family: var(--mono); color: var(--accent); min-width: 40px; }
.rev-row .rt { font-family: var(--mono); font-size: 11px; color: var(--txt3); }
.rev-row .ru { color: var(--txt2); }
.rev-row .rc { color: var(--txt3); font-size: 11.5px; }
.rev-row .ract { margin-left: auto; }

/* 详情展开 */
.detail-tb { width: 100%; border-collapse: collapse; font-size: 12px; }
.detail-tb th, .detail-tb td { padding: 5px 8px; text-align: left; border-bottom: 1px solid var(--line); }
.detail-tb th { color: var(--txt3); font-weight: 500; font-size: 11px; }
.detail-tb td { font-family: var(--mono); font-size: 11.5px; word-break: break-all; }

/* ---------------------------------------------------------------- 分页/登录/页脚 */
.pg-btn {
  padding: 3px 10px; font-size: 12px; color: var(--txt2); cursor: pointer;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 5px;
}
.pg-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pg-btn:hover:not(:disabled) { color: var(--txt); border-color: var(--ok); }

.login {
  position: fixed; inset: 0; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 7, 12, 0.86); backdrop-filter: blur(4px);
}
.login-card {
  width: 320px; padding: 28px 26px 22px;
  background: linear-gradient(180deg, #0e1722, #0b111a);
  border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
}
.login-card h2 { margin: 0 0 4px; font-size: 18px; color: var(--txt); }
.login-sub { margin: 0 0 18px; font-size: 12px; color: var(--txt3); }
.login-card label { display: block; margin-bottom: 12px; font-size: 12px; color: var(--txt3); }
.login-card input {
  width: 100%; margin-top: 4px; padding: 9px 10px;
  font-size: 13px; color: var(--txt);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line); border-radius: 7px; outline: none;
}
.login-card input:focus { border-color: #2f6f4f; }
.login-btn {
  width: 100%; margin-top: 6px; padding: 10px;
  font-size: 13.5px; font-weight: 600; color: #061009;
  background: linear-gradient(180deg, #35c47a, #23a05e);
  border: none; border-radius: 7px; cursor: pointer;
}
.login-btn:disabled { opacity: 0.55; cursor: default; }
.login-msg { min-height: 16px; margin: 10px 0 0; font-size: 12px; color: #e08a6a; }

.conn .user { display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; }
.conn .user #userName { color: var(--txt2); font-size: 12px; }
.conn .logout {
  padding: 2px 8px; font-size: 11px; color: var(--txt3);
  background: transparent; border: 1px solid var(--line);
  border-radius: 5px; cursor: pointer;
}
.conn .logout:hover { color: var(--txt); border-color: #2f6f4f; }

.foot {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; gap: 16px;
  padding: 7px 20px; font-size: 11.5px; color: var(--txt3);
  background: rgba(6, 10, 16, 0.92); border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.foot .hint a { color: var(--txt3); }
.foot .hint a:hover { color: var(--accent); }

/* 滚动条（深色下默认滚动条太扎眼） */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }
::-webkit-scrollbar-thumb { background: rgba(72,140,200,0.28); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(72,140,200,0.45); }