:root{
  --primary:#2563EB;
  --primary-700:#1D4ED8;
  --secondary:#16A34A;
  --danger:#DC2626;
  --warning:#F59E0B;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --panel:#EEF3F8;
  --text:#0F172A;
  --muted:#64748B;
  --border:#D6DEE8;
  --radius-lg:1rem;
  --radius-md:.75rem;
  --shadow-md:0 8px 24px rgba(15,23,42,.08);
  --ring:0 0 0 3px rgba(37,99,235,.14);
  --font:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
body.dark-mode{
  --bg:#0F172A;
  --card:rgba(17,24,39,.92);
  --panel:#111827;
  --text:#E5E7EB;
  --muted:#A1A1AA;
  --border:#1F2937;
  --shadow-md:0 8px 24px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0}
body{
  font-family:var(--font);
  color:var(--text);
  background:linear-gradient(to bottom, rgba(244,247,251,.94), rgba(238,243,248,.97)), url("./img/vezjebela.png") center/contain no-repeat fixed, var(--bg);
}
body.dark-mode{background:linear-gradient(to bottom, rgba(15,23,42,.92), rgba(15,23,42,.97)), url("./img/housetech-dark.png") center/cover no-repeat fixed}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;padding:1rem;border-right:1px solid var(--border);background:rgba(255,255,255,.72);backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:1rem}
body.dark-mode .sidebar{background:rgba(15,23,42,.76)}
.brand{display:flex;align-items:center;gap:.75rem;padding:.45rem}
.brand img{width:42px;height:42px;object-fit:contain}
.brand-name{font-weight:900;letter-spacing:.04em}
.brand-sub{font-size:.78rem;color:var(--muted);font-weight:700}
.nav{display:flex;flex-direction:column;gap:.35rem}
.nav-btn{display:flex;align-items:center;gap:.75rem;border:1px solid transparent;background:transparent;color:var(--muted);border-radius:.85rem;padding:.72rem .8rem;font-weight:800;cursor:pointer;text-align:left}
.nav-btn.active,.nav-btn:hover{background:var(--card);border-color:var(--border);color:var(--text);box-shadow:var(--shadow-md)}
.sidebar-foot{margin-top:auto}
.main{min-width:0;padding:1.1rem 1.2rem 2rem}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}
.topbar h1{margin:.1rem 0 0;font-size:1.7rem}
.eyebrow{font-size:.78rem;color:var(--muted);font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.top-actions,.row-actions,.inline-actions,.gate-actions,.filters{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap}
.row-actions.end{justify-content:flex-end;margin-top:1rem}
.user-badge{border:1px solid var(--border);background:var(--card);border-radius:999px;padding:.45rem .75rem;font-weight:800;color:var(--muted)}
.btn,.icon-btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:var(--radius-md);min-height:42px;padding:.6rem .9rem;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;font-weight:800;cursor:pointer;text-decoration:none}
.icon-btn{width:42px;padding:0}
.btn:hover,.icon-btn:hover{border-color:var(--primary)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-700)}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-ghost{background:transparent}
.full{width:100%}
.view{display:none}
.view.active{display:block}
.panel,.kpi,.gate-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.panel{padding:1rem;margin-bottom:1rem}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.9rem}
.panel h2,.panel-head h2{font-size:1rem;margin:0}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin-bottom:1rem}
.kpi{padding:1rem}
.kpi span{display:block;color:var(--muted);font-size:.78rem;font-weight:900;text-transform:uppercase}
.kpi b{display:block;margin-top:.35rem;font-size:1.35rem}
.kpi.danger b{color:var(--danger)}
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:1rem}
.builder-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1rem}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field span{color:var(--muted);font-size:.78rem;font-weight:900}
.field.wide{grid-column:1/-1}
input,select,textarea{width:100%;min-height:42px;border:1px solid var(--border);border-radius:var(--radius-md);padding:.62rem .75rem;background:var(--card);color:var(--text)}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}
body.dark-mode option{background:#0B1220;color:#E5E7EB}
.inline-actions{margin:.9rem 0}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius-md)}
.data-table{width:100%;border-collapse:collapse;min-width:760px}
.data-table th,.data-table td{border-bottom:1px solid var(--border);padding:.62rem .7rem;text-align:left;vertical-align:middle;font-size:.9rem}
.data-table th{background:var(--panel);font-size:.75rem;color:var(--muted);text-transform:uppercase}
.data-table tr:last-child td{border-bottom:0}
.data-table .num{text-align:right}
.items-table input,.items-table select{min-height:36px;padding:.45rem .5rem}
.items-table{min-width:1180px}
.totals-bar{display:flex;justify-content:flex-end;gap:.7rem;margin:.9rem 0}
.totals-bar div{min-width:150px;border:1px solid var(--border);border-radius:var(--radius-md);padding:.65rem;background:var(--panel)}
.totals-bar span{display:block;color:var(--muted);font-size:.75rem;font-weight:900}
.totals-bar b{display:block;text-align:right;font-size:1.1rem}
.validation{color:var(--danger);font-weight:800;font-size:.88rem;min-height:1.2rem}
.compact-list,.rank-list{display:flex;flex-direction:column;gap:.5rem}
.list-row,.rank-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;border:1px solid var(--border);border-radius:var(--radius-md);padding:.65rem;background:var(--panel)}
.list-row small,.rank-row small{display:block;color:var(--muted);font-weight:700}
.pill{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--border);border-radius:999px;padding:.25rem .55rem;font-weight:900;background:var(--panel);white-space:nowrap}
.pill.ok{color:#047857;background:#DCFCE7;border-color:#86EFAC}
.pill.warn{color:#92400E;background:#FEF3C7;border-color:#FDE68A}
.pill.bad{color:#991B1B;background:#FEE2E2;border-color:#FECACA}
body.dark-mode .pill.ok{background:#052e16;color:#86efac;border-color:#14532d}
body.dark-mode .pill.warn{background:#3a2d00;color:#fde68a;border-color:#a16207}
body.dark-mode .pill.bad{background:#450a0a;color:#fecaca;border-color:#7f1d1d}
.gate{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:1rem;background:linear-gradient(to bottom,rgba(15,23,42,.55),rgba(15,23,42,.75))}
.gate-card{width:min(430px,100%);padding:1.2rem;text-align:center}
.gate-card.wide{text-align:left;width:min(560px,100%)}
.gate-card img{width:58px;height:58px;object-fit:contain}
.gate-card h1{margin:.4rem 0}
.gate-card p{color:var(--muted)}
.gate-head{display:flex;gap:1rem;align-items:center;margin-bottom:1rem}
.gate-card textarea{margin-top:.7rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;min-height:76px}
.muted,.muted-link{color:var(--muted);font-weight:700}
.muted-link{display:inline-block;margin-top:.75rem}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:60}
.modal{position:fixed;inset:0;z-index:61;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal-card{width:min(760px,100%);max-height:90vh;overflow:auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1rem}
.toast-host{position:fixed;right:1rem;bottom:1rem;z-index:80;display:flex;flex-direction:column;gap:.5rem}
.toast{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--primary);box-shadow:var(--shadow-md);border-radius:.7rem;padding:.75rem 1rem;font-weight:800}
canvas{width:100%;height:auto;max-height:280px}
@media(max-width:1100px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:static;height:auto}
  .nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .split,.builder-layout{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:680px){
  .main{padding:.8rem}
  .topbar,.panel-head{align-items:flex-start;flex-direction:column}
  .nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi-grid,.form-grid{grid-template-columns:1fr}
  .sidebar{padding:.75rem}
  .nav-btn span{font-size:.85rem}
  .totals-bar{flex-direction:column}
}