:root {
  --side-bg: #2f3542;
  --side-bg-deep: #252a36;
  --side-text: #cfd4dd;
  --side-active: #ff8a00;
  --ink: #1f2329;
  --sub: #8a9099;
  --line: #eef0f3;
  --bg: #f5f6f8;
  --card: #ffffff;
  --accent: #ff8a00;
  --danger: #f04438;
  --green: #12b76a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

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

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

/* 侧栏：深色 + 手风琴，全项目统一样式 */
.sidebar {
  width: 220px;
  flex: 0 0 220px;
  background: var(--side-bg);
  color: var(--side-text);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: width .2s ease;
  z-index: 30;
}

.sidebar.collapsed { width: 60px; flex-basis: 60px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--side-active); flex: 0 0 auto;
}

.nav-group > button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: transparent;
  border: 0;
  color: var(--side-text);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
}
.nav-group > button .arrow { margin-left: auto; transition: transform .2s; font-size: 12px; }
.nav-group.open > button { background: var(--side-bg-deep); color: #fff; }
.nav-group.open > button .arrow { transform: rotate(180deg); }
.nav-group .nav-items { display: none; background: rgba(0, 0, 0, .12); }
.nav-group.open .nav-items { display: block; }
.nav-group .nav-items a {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 16px 11px 38px;
  color: var(--side-text); font-size: 13px;
}
.nav-group .nav-items a:hover { background: rgba(255, 255, 255, .05); color: #fff; }
.nav-group .nav-items a.active { color: #fff; background: rgba(255, 138, 0, .22); border-right: 3px solid var(--accent); }

.sidebar.collapsed .brand span,
.sidebar.collapsed .nav-group > button span,
.sidebar.collapsed .nav-group > button .arrow { display: none; }
.sidebar.collapsed .nav-group .nav-items a { padding-left: 16px; }
.sidebar.collapsed .nav-group .nav-items a span { display: none; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 56px;
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar .hamburger {
  width: 36px; height: 36px; border: 0; border-radius: 8px;
  background: transparent; cursor: pointer; font-size: 18px; color: var(--ink);
}
.topbar .title { font-weight: 600; }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; color: var(--sub); }
.topbar .right a { color: var(--sub); }

.content { padding: 18px; }

.panel {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.panel h3 { margin: 0 0 12px; font-size: 16px; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat .num { font-size: 26px; font-weight: 700; }
.stat .label { color: var(--sub); font-size: 13px; margin-top: 4px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.toolbar .grow { flex: 1; }
.muted { color: var(--sub); font-size: 12px; }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 99px; font-size: 12px; background: #f1f3f5; color: #5c626b; }
.badge.on { background: #e9f9ef; color: var(--green); }
.badge.off { background: #f1f3f5; color: #8a9099; }
.badge.warn { background: #fff4e5; color: #b26a00; }
.badge.danger { background: #feeceb; color: var(--danger); }

.dot-state { width: 7px; height: 7px; border-radius: 50%; display: inline-block; background: #c9cdd4; }
.dot-state.on { background: var(--green); box-shadow: 0 0 0 3px rgba(18, 183, 106, .15); }

.hint { background: #fff8ec; border: 1px solid #ffe0b2; color: #8a5a00; padding: 10px 12px; border-radius: 8px; font-size: 13px; }

.timer-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.timer-row:last-child { border-bottom: 0; }
.timer-row .time { font-size: 20px; font-weight: 600; width: 72px; }
.timer-row .op { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: #e9f9ef; color: #0a7a48; }
.timer-row .op.off { background: #f1f3f5; color: #666; }
.timer-row .week { color: var(--sub); font-size: 12px; margin-left: auto; }

.dev-check { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.dev-check .sn { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.dev-check.disabled { opacity: .55; }

.overlay { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 25; }
.overlay.show { display: block; }

@media (max-width: 1023px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); width: 220px; flex-basis: 220px; }
  .sidebar.show { transform: translateX(0); }
  .sidebar.collapsed { width: 60px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
  .content { padding: 12px; }
  .grid { grid-template-columns: 1fr; }
  .panel { padding: 12px; }
  .topbar { padding: 0 12px; }
  .toolbar .layui-input { width: 100%; }
  .timer-row .time { font-size: 18px; }
}