/* DHT22 ESP v1.8.0 - Light CoreUI-style control panel. No dark mode. */
:root{
  --sidebar:#3f4f63;
  --sidebar-dark:#354458;
  --sidebar-text:#cbd5e1;
  --sidebar-active:#4f46e5;
  --bg:#eef1f5;
  --panel:#ffffff;
  --border:#d9dee8;
  --text:#2f3a46;
  --muted:#6b7785;
  --primary:#321fdb;
  --primary-2:#3399ff;
  --success:#2eb85c;
  --warning:#f9b115;
  --danger:#e55353;
  --info:#39f;
  --shadow:0 1px 2px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Arial,"Segoe UI",Roboto,sans-serif;font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.cp-sidebar{position:fixed;inset:0 auto 0 0;width:256px;background:var(--sidebar);color:var(--sidebar-text);z-index:50;overflow:auto}
.cp-logo{height:64px;display:flex;align-items:center;gap:10px;padding:0 22px;color:#fff;text-decoration:none;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08)}
.cp-logo:hover{text-decoration:none}
.cp-logo-mark{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid rgba(255,255,255,.65);border-radius:8px}
.sidebar-section{padding:18px 18px 8px;color:#aab5c3;text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:.04em}
.sidebar-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 18px;color:var(--sidebar-text);text-decoration:none;border-left:4px solid transparent}
.sidebar-link:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.sidebar-link.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:#fff}
.sidebar-icon{width:22px;text-align:center;opacity:.9}
.cp-shell{margin-left:256px;min-height:100vh;display:flex;flex-direction:column}
.cp-shell.login-shell{margin-left:0}
.cp-topbar{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:18px;padding:0 24px;box-shadow:var(--shadow)}
.cp-menu-btn{border:0;background:transparent;font-size:22px;color:#677481;cursor:pointer;display:none}
.cp-breadcrumb{display:flex;align-items:center;gap:8px;color:#718096}
.cp-breadcrumb a{color:#4b5563}
.cp-top-actions{margin-left:auto;display:flex;gap:16px;align-items:center;color:#718096}
.cp-main{padding:24px;flex:1}
.cp-footer{height:52px;border-top:1px solid var(--border);background:#fff;color:#718096;display:flex;justify-content:space-between;align-items:center;padding:0 24px;gap:12px;flex-wrap:wrap}
.page-title,.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin:0 0 22px}
.page-title h1,.page-head h1{font-size:28px;font-weight:500;margin:0;color:#2f3a46}
.page-title p,.page-head p{margin:5px 0 0;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:2px;margin:0 0 22px;padding:18px}
.card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin:-18px -18px 18px;padding:16px 18px;border-bottom:1px solid var(--border);background:#fff}
.card h2,.card h3{margin:0 0 10px;font-weight:500;color:#2f3a46}
.card-header h2{margin:0;font-size:20px}
.card-header p{margin:4px 0 0;color:var(--muted)}
.stat-grid,.grid.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px;margin-bottom:22px}
.grid{display:grid;gap:22px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}
.metric-card,.stat{min-height:110px;color:#fff;padding:20px 22px;border-radius:3px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.metric-card:after{content:"";position:absolute;left:0;right:0;bottom:0;height:44px;background:rgba(255,255,255,.16)}
.metric-value,.stat .value{font-size:28px;line-height:1;font-weight:700;margin-bottom:10px;position:relative;z-index:1}
.metric-label,.stat .label{font-size:14px;font-weight:500;position:relative;z-index:1}
.metric-blue{background:#321fdb}.metric-green{background:#2eb85c}.metric-orange{background:#f9b115}.metric-red{background:#e55353}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:3px;background:var(--primary);color:#fff;text-decoration:none;font-weight:500;padding:8px 13px;cursor:pointer;line-height:1.25}
.btn:hover{filter:brightness(.96);text-decoration:none;color:#fff}
.btn-primary{background:var(--primary);color:#fff}
.btn-outline,.btn.secondary{background:#fff!important;color:#4b5563!important;border-color:#cbd5e1!important}
.btn-outline:hover,.btn.secondary:hover{background:#f8fafc!important;color:#111827!important}
.btn-danger,.btn.danger{background:var(--danger);color:#fff}
.btn.small{font-size:12px;padding:5px 9px}
.alert,.flash{border-radius:3px;padding:12px 14px;margin-bottom:16px;border:1px solid transparent}
.alert-success,.flash.success{background:#d6f0df;color:#1b6b38;border-color:#addfbd}
.alert-danger,.flash.error{background:#f9d8d8;color:#8f2525;border-color:#efb1b1}
.badge{display:inline-flex;align-items:center;border-radius:3px;padding:4px 7px;font-size:12px;font-weight:700}
.badge.ok{background:#d6f0df;color:#1b6b38}
.badge.bad{background:#f9d8d8;color:#8f2525}
.badge.warn{background:#fff1cc;color:#8a5b00}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:12px;border-bottom:1px solid #e5e9f0;text-align:left;vertical-align:top}
th{background:#f7f8fa;color:#5b6776;font-size:12px;text-transform:uppercase;font-weight:700}
tr:hover td{background:#fbfcff}
.form{display:grid;gap:14px}
.form.two,.report-form{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.field{display:grid;gap:6px}
.field label{font-weight:600;color:#3c4754}
.field input,.field select,.field textarea{width:100%;border:1px solid #cfd6df;border-radius:3px;padding:9px 10px;font:inherit;background:#fff;color:#2f3a46}
.field textarea{min-height:94px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:#3399ff;box-shadow:0 0 0 3px rgba(51,153,255,.16)}
.help,.muted{color:var(--muted);font-size:13px}
.empty{color:var(--muted);text-align:center;padding:22px}
.kv{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #e5e9f0;padding:10px 0}
.kv span{color:var(--muted)}.kv b{text-align:right}
.chart-panel{height:230px;border:1px solid var(--border);background:#f8fafc;display:flex;align-items:end;gap:3px;padding:12px;overflow:hidden}
.chart-bar{width:8px;min-width:4px;background:#3399ff;border-radius:2px 2px 0 0}
.report-actions{align-self:end}
.floorplan-stage{position:relative;display:inline-block;max-width:100%;border:1px solid var(--border);background:#fff}
.floorplan-stage img{display:block;max-width:100%;height:auto}
.sensor-marker{position:absolute;transform:translate(-50%,-50%);min-width:86px;border:2px solid #fff;border-radius:3px;background:#321fdb;color:#fff;padding:6px 9px;box-shadow:0 4px 12px rgba(0,0,0,.18);font-weight:700;text-align:center;font-size:12px;cursor:grab}
.sensor-marker.alert-high,.sensor-marker.alert-low{background:#e55353}.sensor-marker.offline{background:#6b7785}.sensor-marker small{display:block;font-size:10px;opacity:.9}
.floorplan-edit-list{display:grid;gap:10px}.marker-row{display:grid;grid-template-columns:1fr 100px 100px auto;gap:10px;align-items:end}
@media(max-width:900px){
  .cp-sidebar{transform:translateX(-100%);transition:.2s}
  .sidebar-open .cp-sidebar{transform:none}
  .cp-shell{margin-left:0}
  .cp-menu-btn{display:block}
  .cp-main{padding:16px}
  .page-title,.page-head,.card-header{display:grid}
  .grid.two{grid-template-columns:1fr}
  .marker-row{grid-template-columns:1fr}
}
/* Light mode only: no automatic dark theme. */