/* BMS Multi-Tower — enterprise design system (light) */
:root{
  --primary:#0F4C81; --primary-ink:#0B3A63; --secondary:#2E8BC0;
  --success:#16A34A; --warning:#F59E0B; --danger:#DC2626;
  --bg:#F5F7FA; --surface:#FFFFFF; --fg:#15202B; --muted:#64748B; --border:#E2E8F0;
  --accent:var(--primary);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:10px; --r-sm:8px;
  --shadow:0 1px 2px rgba(15,23,42,.05);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:40px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:14px/1.5 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#CBD5E1;border-radius:8px;border:2px solid var(--bg)}

/* ── App shell ─────────────────────────────── */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.sidebar{background:var(--surface);border-right:1px solid var(--border);position:sticky;top:0;height:100vh;overflow-y:auto;padding:var(--s2) 12px;display:flex;flex-direction:column;gap:2px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px var(--s2)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}
.brand-name{font-weight:700;font-size:14.5px;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--muted)}
.nav-sec{font:600 10.5px/1 var(--font);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:18px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--r-sm);color:#334155;font-weight:500;cursor:pointer}
.nav-item svg{width:17px;height:17px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;opacity:.75}
.nav-item:hover{background:#F1F5F9}
.nav-item.active{background:color-mix(in oklch,var(--primary) 9%,white);color:var(--primary);font-weight:600}
.nav-item.active svg{opacity:1}
.nav-badge{margin-left:auto;font:600 10.5px var(--mono);background:#F1F5F9;color:var(--muted);border-radius:99px;padding:1px 7px}
.nav-item.active .nav-badge{background:#fff;color:var(--primary)}

.maincol{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:var(--s2);padding:10px var(--s3)}
.crumbs{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumbs b{color:var(--fg);font-weight:600}
.crumbs .sep{opacity:.5}
.top-search{margin-left:auto;display:flex;align-items:center;gap:8px;background:#F1F5F9;border:1px solid transparent;border-radius:var(--r-sm);padding:6px 12px;width:260px;color:var(--muted);font-size:13px}
.top-search input{border:0;background:none;outline:none;width:100%;font:inherit;color:var(--fg)}
.icon-btn{position:relative;width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:#475569}
.icon-btn:hover{background:#F8FAFC}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.dot{position:absolute;top:7px;right:8px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid #fff}
.profile{display:flex;align-items:center;gap:10px;padding:4px 6px;border-radius:var(--r-sm);cursor:pointer;border:1px solid transparent}
.profile:hover{background:#F8FAFC;border-color:var(--border)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--secondary);color:#fff;display:grid;place-items:center;font:600 12px var(--font);flex:none}
.profile-meta{line-height:1.2}
.profile-meta b{font-size:13px;display:block}
.profile-meta span{font-size:11px;color:var(--muted)}

/* dropdowns / drawer */
.pop{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:0 8px 24px rgba(15,23,42,.10);min-width:220px;padding:6px;display:none;z-index:60}
.pop.open{display:block}
.pop-item{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:var(--r-sm);font-size:13.5px;cursor:pointer}
.pop-item:hover{background:#F1F5F9}
.pop-hr{height:1px;background:var(--border);margin:4px 0}
.drawer{position:fixed;top:0;right:0;bottom:0;width:380px;max-width:92vw;background:var(--surface);border-left:1px solid var(--border);box-shadow:-12px 0 32px rgba(15,23,42,.12);z-index:70;transform:translateX(105%);transition:transform .25s ease;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer-head{padding:var(--s2) var(--s3);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.drawer-body{overflow-y:auto;padding:12px var(--s3);display:flex;flex-direction:column;gap:10px}
.notif{display:flex;gap:12px;padding:12px;border:1px solid var(--border);border-radius:var(--r);cursor:pointer}
.notif:hover{border-color:var(--secondary)}
.notif.unread{background:color-mix(in oklch,var(--secondary) 5%,white)}
.notif-ic{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none}
.notif small{color:var(--muted);font:11px var(--mono)}
.scrim{position:fixed;inset:0;background:rgba(15,23,42,.25);z-index:65;display:none}
.scrim.open{display:block}

/* ── Page scaffolding ──────────────────────── */
.page{padding:var(--s3);max-width:1440px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:var(--s3)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s2);flex-wrap:wrap}
.page-head h1{font-size:22px}
.page-sub{color:var(--muted);font-size:13.5px;margin-top:2px}
.head-actions{display:flex;gap:10px;flex-wrap:wrap}

.grid{display:grid;gap:var(--s2)}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:var(--s3);min-width:0}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:var(--s2);margin-bottom:var(--s2)}
.card-head h3{font-size:15px}
.card-head .hint{font-size:12px;color:var(--muted)}
.card.clickable{cursor:pointer;transition:border-color .15s,box-shadow .15s}
.card.clickable:hover{border-color:var(--secondary);box-shadow:0 4px 14px rgba(15,76,129,.10)}
.card-pad0{padding:0;overflow:hidden}
.card-pad0 .card-head{padding:var(--s3) var(--s3) 0}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s2)}
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.kpi-grid{grid-template-columns:1fr}}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:var(--s2) var(--s3);box-shadow:var(--shadow);cursor:pointer;transition:border-color .15s,transform .15s;display:flex;flex-direction:column;gap:4px;border-top:3px solid transparent}
.kpi:hover{border-color:var(--secondary);transform:translateY(-1px)}
.kpi.kpi-danger{border-top-color:var(--danger)}
.kpi.kpi-warning{border-top-color:var(--warning)}
.kpi.kpi-success{border-top-color:var(--success)}
.kpi.kpi-primary{border-top-color:var(--primary)}
.kpi-top{display:flex;align-items:center;justify-content:space-between}
.kpi-label{font-size:12.5px;color:var(--muted);font-weight:550}
.kpi-ic{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;flex:none}
.kpi-ic svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.kpi-value{font:700 26px/1.15 var(--mono);letter-spacing:-.02em}
.kpi-delta{font:600 11.5px var(--mono);display:flex;align-items:center;gap:5px}
.kpi-delta.up{color:var(--success)} .kpi-delta.down{color:var(--danger)} .kpi-delta.flat{color:var(--muted)}
.kpi-delta svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Heat tower header fix */
.heat-tower-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.heat-tower-head b{font:600 13px var(--font)}
.heat-tower-head .pct{font:600 13px var(--mono);color:var(--muted)}

/* Feed icon SVG */
.feed-ic svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* Alert row SVG */
.alert-ic{width:20px;height:20px;flex:none;display:grid;place-items:center}
.alert-ic svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* Chart layout: primary full-width, secondary 2-col */
.chart-primary{grid-column:1/-1}
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2)}
@media(max-width:860px){.charts-grid{grid-template-columns:1fr}}

/* Buttons / inputs */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--surface);color:var(--fg);font:550 13px var(--font);padding:8px 14px;cursor:pointer;box-shadow:var(--shadow)}
.btn:hover{background:#F8FAFC}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(15,76,129,.35),inset 0 1px 0 rgba(255,255,255,.12)}
.btn-primary:hover{background:var(--primary-ink)}
.btn-ghost{box-shadow:none;border-color:transparent;background:transparent;color:var(--muted)}
.btn-ghost:hover{background:#F1F5F9;color:var(--fg)}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.input,.select,textarea.input{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);font:13.5px var(--font);padding:8px 12px;color:var(--fg);outline:none;width:100%}
.input:focus,.select:focus{border-color:var(--secondary);box-shadow:0 0 0 3px color-mix(in oklch,var(--secondary) 18%,transparent)}
label.field{display:flex;flex-direction:column;gap:6px;font:550 12.5px var(--font);color:#334155}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toolbar .grow{flex:1;min-width:160px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);border-radius:99px;padding:5px 12px;font:550 12.5px var(--font);cursor:pointer;color:var(--muted)}
.chip.on{background:color-mix(in oklch,var(--primary) 8%,white);border-color:var(--primary);color:var(--primary)}

/* Tables */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{font:600 11px var(--font);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap;background:#FAFBFC}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr{cursor:pointer}
.tbl tbody tr:hover{background:#F8FAFC}
.tbl .num{font-family:var(--mono);font-size:12.5px}
.cell-main{display:flex;align-items:center;gap:10px}
.cell-main b{display:block;font-weight:600}
.cell-main small{color:var(--muted);font-size:12px}

/* Badges / dots / progress */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:2px 10px;font:600 11.5px var(--font);white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.b-success{background:#E9F7EF;color:var(--success)}
.b-info{background:#EAF4FB;color:var(--secondary)}
.b-primary{background:#E8F0F8;color:var(--primary)}
.b-warning{background:#FEF4E2;color:#B45309}
.b-danger{background:#FBEAEA;color:var(--danger)}
.b-neutral{background:#F1F5F9;color:var(--muted)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:6px;vertical-align:-1px}
.progress{height:6px;border-radius:99px;background:#EDF2F7;overflow:hidden;min-width:70px}
.progress i{display:block;height:100%;border-radius:99px;background:var(--secondary)}
.occ{display:flex;align-items:center;gap:10px}
.occ .num{font:600 12.5px var(--mono);min-width:38px;text-align:right}

/* Tabs / kanban / steps */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:var(--s3);overflow-x:auto}
.tab{padding:9px 14px;font:550 13px var(--font);color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap}
.tab.on{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.kanban{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,1fr);gap:var(--s2);overflow-x:auto;padding-bottom:8px;align-items:start}
.kcol{background:#F8FAFC;border:1px solid var(--border);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:10px;min-height:120px}
.kcol-head{display:flex;align-items:center;justify-content:space-between;font:600 12.5px var(--font);padding:0 2px}
.kcol-head .count{font:600 11px var(--mono);background:#fff;border:1px solid var(--border);border-radius:99px;padding:1px 8px;color:var(--muted)}
.kcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);padding:12px;box-shadow:var(--shadow);cursor:pointer;display:flex;flex-direction:column;gap:8px}
.kcard:hover{border-color:var(--secondary)}
.kcard-title{font-weight:600;font-size:13.5px}
.kcard-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.steps{display:flex;gap:0;margin-bottom:var(--s3);overflow-x:auto}
.step{flex:1;min-width:110px;display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted);position:relative;padding-right:20px}
.step i{width:26px;height:26px;border-radius:50%;background:#EDF2F7;display:grid;place-items:center;font:600 12px var(--mono);color:var(--muted);border:1px solid var(--border)}
.step.done i{background:var(--success);border-color:var(--success);color:#fff}
.step.on i{background:var(--primary);border-color:var(--primary);color:#fff}
.step.on{color:var(--fg);font-weight:600}
.step::after{content:"";position:absolute;top:13px;left:30px;right:24px;height:1px;background:var(--border)}
.step:last-child::after{display:none}

/* Building explorer / beds */
.floor-block{border:1px solid var(--border);border-radius:var(--r);background:var(--surface);margin-bottom:var(--s2);overflow:hidden}
.floor-head{display:flex;align-items:center;gap:12px;padding:12px var(--s3);cursor:pointer;background:#FAFBFC;border-bottom:1px solid var(--border)}
.floor-head:hover{background:#F1F5F9}
.floor-head .chev{transition:transform .15s;color:var(--muted)}
.floor-block.closed .floor-body{display:none}
.floor-block.closed .floor-head{border-bottom:0}
.floor-block.closed .chev{transform:rotate(-90deg)}
.floor-body{padding:var(--s2) var(--s3);display:flex;flex-direction:column;gap:12px}
.room-row{display:flex;align-items:flex-start;gap:14px}
.room-tag{width:86px;flex:none;padding-top:2px}
.room-tag b{font:600 12.5px var(--mono);display:block}
.room-tag small{font-size:11px;color:var(--muted)}
.beds{display:flex;flex-wrap:wrap;gap:8px}
.bed{width:34px;height:34px;border-radius:8px;border:1px solid transparent;display:grid;place-items:center;font:600 11px var(--mono);color:#fff;cursor:pointer;position:relative}
.bed:hover{transform:scale(1.08);box-shadow:0 2px 6px rgba(15,23,42,.2);z-index:2}
.bed.av{background:var(--success)} .bed.oc{background:var(--secondary)} .bed.cl{background:#F97316}
.bed.in{background:var(--warning)} .bed.mt{background:var(--danger)} .bed.rs{background:#94A3B8}

/* Heatmap */
.heat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s2)}
@media(max-width:900px){.heat-grid{grid-template-columns:repeat(2,1fr)}}
.heat-tower{border:1px solid var(--border);border-radius:var(--r);padding:14px;background:var(--surface);cursor:pointer}
.heat-tower:hover{border-color:var(--secondary)}
.heat-cells{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin:10px 0}
.heat-cells i{aspect-ratio:1;border-radius:3px}

/* Feed / timeline / alerts */
.feed{display:flex;flex-direction:column}
.feed-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}
.feed-item:last-child{border-bottom:0}
.feed-ic{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none}
.feed-item small{color:var(--muted);font:11.5px var(--mono)}
.timeline{position:relative;padding-left:26px;display:flex;flex-direction:column;gap:var(--s3)}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border)}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-24px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--secondary);border:2px solid #fff;box-shadow:0 0 0 2px var(--border)}
.tl-item.ok::before{background:var(--success)}
.tl-item small{color:var(--muted);font:11.5px var(--mono)}
.alert-row{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid;border-radius:var(--r-sm);font-size:13px}
.alert-row.warn{background:#FFFBEB;border-color:#FDE68A;color:#92400E}
.alert-row.err{background:#FEF2F2;border-color:#FECACA;color:#991B1B}
.alert-row.ok{background:#F0FDF4;border-color:#BBF7D0;color:#166534}

/* Integration cards / misc */
.int-card{display:flex;flex-direction:column;gap:12px}
.int-head{display:flex;align-items:center;gap:12px}
.int-logo{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font:700 13px var(--font);color:#fff;flex:none}
.kv{display:grid;grid-template-columns:130px 1fr;gap:6px 14px;font-size:13.5px}
.kv dt{color:var(--muted)} .kv dd{margin:0;font-weight:550}
.avatar-lg{width:72px;height:72px;border-radius:16px;background:var(--primary);color:#fff;display:grid;place-items:center;font:700 24px var(--font)}
.doc-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--r-sm)}
.doc-row:hover{border-color:var(--secondary)}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-d{font:600 11px var(--font);color:var(--muted);text-align:center;padding:4px 0}
.cal-cell{min-height:74px;border:1px solid var(--border);border-radius:8px;padding:6px;font:11px var(--mono);color:var(--muted);background:#FAFBFC}
.cal-cell.in{background:var(--surface);color:var(--fg)}
.cal-ev{margin-top:4px;font:600 10.5px var(--font);border-radius:5px;padding:2px 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-state{text-align:center;padding:var(--s5) var(--s3);color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:10px}
.empty-state .ic{width:52px;height:52px;border-radius:14px;background:#F1F5F9;display:grid;place-items:center;color:#94A3B8}
.skeleton{position:relative;overflow:hidden;background:#EDF2F7;border-radius:6px;min-height:14px}
.skeleton::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);animation:sk 1.2s infinite}
@keyframes sk{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.mono{font-family:var(--mono);font-size:.92em}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.chart-box{width:100%}
.chart-box svg{display:block;width:100%;height:auto}

@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:80;width:264px;transform:translateX(-105%);transition:transform .25s ease}
  .sidebar.open{transform:none}
  .page{padding:var(--s2)}
  .top-search{display:none}
}