:root{
  --bg:#f4f6f9; --card:#ffffff; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0;
  --brand:#0f766e; --brand-soft:#ccfbf1; --brand-dark:#115e59;
  --accent:#4f46e5; --warn:#b45309; --warn-soft:#fef3c7;
  --bad:#be123c; --bad-soft:#ffe4e6; --good:#15803d; --good-soft:#dcfce7;
  --sidebar:#0f172a; --sidebar-ink:#cbd5e1;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Montserrat,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,select,textarea{font-family:inherit;font-size:14px}
.hidden{display:none!important}

/* ---------- AUTH ---------- */
#auth{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#134e4a);padding:24px}
.auth-card{background:#fff;border-radius:18px;box-shadow:0 24px 60px rgba(2,6,23,.35);width:100%;max-width:420px;padding:34px}
.auth-card h1{margin:0 0 4px;font-size:24px;font-weight:800;letter-spacing:-.5px}
.auth-card p.sub{margin:0 0 22px;color:var(--muted);font-size:13px}
.auth-tabs{display:flex;gap:6px;background:#f1f5f9;padding:4px;border-radius:10px;margin-bottom:18px}
.auth-tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted)}
.auth-tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(15,23,42,.12)}

/* ---------- LAYOUT ---------- */
#app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
aside{background:var(--sidebar);color:var(--sidebar-ink);padding:18px 12px;display:flex;flex-direction:column;gap:2px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;color:#fff}
.brand .mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#14b8a6,#4f46e5);display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px}
.brand b{font-size:16px;letter-spacing:-.3px}
.navgroup{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:#64748b;padding:16px 12px 6px;font-weight:700}
nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;text-decoration:none;color:var(--sidebar-ink);font-weight:500;cursor:pointer}
nav a:hover{background:rgba(148,163,184,.14);color:#fff}
nav a.on{background:var(--brand);color:#fff;font-weight:600}
nav a .ic{width:18px;text-align:center;opacity:.9}
nav a .badge{margin-left:auto;background:var(--bad);color:#fff;border-radius:20px;padding:1px 7px;font-size:11px;font-weight:700}
main{padding:0 0 60px}
header.top{background:#fff;border-bottom:1px solid var(--line);padding:14px 26px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
header.top h2{margin:0;font-size:19px;font-weight:700;letter-spacing:-.3px}
header.top .spacer{flex:1}
#owner-filter{padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;font-weight:600;max-width:230px}
#owner-filter.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.who{font-size:12px;color:var(--muted);text-align:right;line-height:1.35}
.who b{display:block;color:var(--ink);font-size:13px}
.wrap{padding:22px 26px}

/* ---------- BUTTONS ---------- */
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:9px;cursor:pointer;font-weight:600;display:inline-flex;align-items:center;gap:7px;text-decoration:none}
.btn:hover{border-color:#cbd5e1;background:#f8fafc}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.danger{color:var(--bad);border-color:#fecdd3}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- CARDS / KPI ---------- */
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.kpi{padding:16px 18px}
.kpi .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.kpi .val{font-size:26px;font-weight:800;letter-spacing:-1px;margin-top:6px}
.kpi .hint{font-size:12px;color:var(--muted);margin-top:3px}
.kpi.good .val{color:var(--good)} .kpi.bad .val{color:var(--bad)} .kpi.warn .val{color:var(--warn)}
.panel{padding:18px}
.panel h3{margin:0 0 14px;font-size:15px;font-weight:700}
.alert{border-radius:var(--radius);padding:14px 16px;margin-bottom:16px;font-size:13.5px;border:1px solid}
.alert.warn{background:var(--warn-soft);border-color:#fcd34d;color:#78350f}
.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.alert b{display:block;margin-bottom:4px}

/* ---------- TABLE ---------- */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar input[type=search],.toolbar select{padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;min-width:150px}
.toolbar .spacer{flex:1}
.tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{text-align:left;padding:11px 14px;background:#f8fafc;border-bottom:1px solid var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;white-space:nowrap;cursor:pointer;user-select:none}
thead th:hover{color:var(--ink)}
tbody td{padding:11px 14px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f8fafc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.act{text-align:right;white-space:nowrap}
.empty{padding:44px;text-align:center;color:var(--muted)}
.empty .big{font-size:30px;margin-bottom:10px}

.tag{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700;background:#f1f5f9;color:#475569;white-space:nowrap}
.tag.green{background:var(--good-soft);color:var(--good)}
.tag.red{background:var(--bad-soft);color:var(--bad)}
.tag.amber{background:var(--warn-soft);color:var(--warn)}
.tag.blue{background:#dbeafe;color:#1d4ed8}
.tag.teal{background:var(--brand-soft);color:var(--brand-dark)}

/* ---------- MODAL ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:60;overflow-y:auto}
.modal{background:#fff;border-radius:16px;width:100%;max-width:720px;box-shadow:0 30px 70px rgba(2,6,23,.35)}
.modal header{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.modal header h3{margin:0;font-size:17px;font-weight:700}
.modal header .x{margin-left:auto;border:0;background:transparent;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}
.modal .body{padding:22px}
.modal footer{padding:16px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;background:#f8fafc;border-radius:0 0 16px 16px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.field textarea{min-height:70px;resize:vertical}
.msg{padding:10px 12px;border-radius:9px;font-size:13px;margin-bottom:14px}
.msg.err{background:var(--bad-soft);color:var(--bad)}
.msg.ok{background:var(--good-soft);color:var(--good)}

/* ---------- MISC ---------- */
.subnav{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.subnav button{border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:20px;cursor:pointer;font-weight:600;color:var(--muted)}
.subnav button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.bar{height:8px;background:#e2e8f0;border-radius:6px;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--brand)}
.chart{display:flex;align-items:flex-end;gap:6px;height:180px;padding-top:10px}
.chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px}
.chart .col .b{width:100%;border-radius:5px 5px 0 0;background:var(--brand);min-height:2px}
.chart .col .b.neg{background:var(--bad)}
.chart .col small{font-size:10px;color:var(--muted);white-space:nowrap}
.rooms{display:flex;flex-direction:column;gap:14px}
.room{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.room > .h{background:#f8fafc;padding:10px 14px;display:flex;align-items:center;gap:10px;font-weight:700}
.room > .h .spacer{flex:1}
.itemrow{display:grid;grid-template-columns:1.4fr 1fr 1.6fr auto;gap:8px;padding:8px 14px;border-top:1px solid #f1f5f9;align-items:center}
.itemrow input,.itemrow select{padding:7px 9px;border:1px solid var(--line);border-radius:8px;width:100%}
@media(max-width:900px){
  #app{grid-template-columns:1fr}
  aside{position:static;height:auto;flex-direction:row;flex-wrap:wrap;overflow:visible}
  .navgroup{display:none}
  .fields{grid-template-columns:1fr}
  .itemrow{grid-template-columns:1fr}
}
@media print{aside,header.top,.toolbar,.btn{display:none!important}#app{grid-template-columns:1fr}}