/* ===========================================================================
   Elevator Installation Operations Center — theme
   =========================================================================== */
:root{
  --bg:#f4f6f9; --panel:#ffffff; --panel-2:#f8fafc; --line:#e2e8f0; --line-strong:#cbd5e1;
  --text:#0f172a; --muted:#64748b; --accent:#2563eb; --accent-2:#1d4ed8; --accent-soft:#eff6ff;
  --amber:#f59e0b; --amber-soft:#fffbeb; --green:#16a34a; --green-soft:#f0fdf4;
  --red:#dc2626; --red-soft:#fef2f2; --blue:#2563eb; --blue-soft:#eff6ff;
  --gray:#94a3b8; --gray-soft:#f1f5f9; --violet:#7c3aed; --violet-soft:#f5f3ff;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 4px 16px rgba(15,23,42,.06);
  --radius:12px; --radius-sm:8px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0b1220; --panel:#111a2e; --panel-2:#0e1626; --line:#1f2b45; --line-strong:#2b3a5c;
  --text:#e5e7eb; --muted:#94a3b8; --accent:#3b82f6; --accent-2:#60a5fa; --accent-soft:#13223f;
  --amber:#f59e0b; --amber-soft:#241a05; --green:#22c55e; --green-soft:#0c1f14;
  --red:#ef4444; --red-soft:#2a1315; --blue:#3b82f6; --blue-soft:#13223f;
  --gray:#64748b; --gray-soft:#182338; --violet:#8b5cf6; --violet-soft:#1c1430;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 24px rgba(0,0,0,.4);
  color-scheme:dark;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:14px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:650;line-height:1.25}
h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}
.muted{color:var(--muted)}.small{font-size:12px}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.flex{display:flex;align-items:center}.between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.wrap{flex-wrap:wrap}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.hidden,[hidden]{display:none!important}

/* --- Layout --- */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;flex:0 0 248px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 14px;border-bottom:1px solid var(--line)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--violet));color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700}
.brand-name{font-weight:700;font-size:14px}.brand-sub{font-size:11px;color:var(--muted)}
.nav{padding:10px 10px 20px;flex:1}
.nav-group{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:14px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--text);font-size:13.5px;margin:1px 0}
.nav-item:hover{background:var(--gray-soft)}
.nav-ico{width:18px;text-align:center;opacity:.7}
.sidebar-foot{padding:12px 18px;border-top:1px solid var(--line);font-size:12px}
.shell{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;display:flex;align-items:center;gap:12px;padding:0 20px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar-title{font-weight:650;font-size:16px}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:6px}
.user-chip{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:8px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700}
.user-name{font-size:13px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.main{flex:1;padding:22px;max-width:1440px;width:100%;margin:0 auto}

/* --- Buttons --- */
.icon-btn{background:transparent;border:1px solid var(--line);color:var(--text);width:38px;height:38px;border-radius:9px;cursor:pointer;font-size:16px;display:inline-flex;align-items:center;justify-content:center;position:relative}
.icon-btn:hover{background:var(--gray-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:13.5px;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(.97)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-ghost{background:transparent;border-color:transparent}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-big{width:100%;padding:16px;font-size:16px;font-weight:700;border-radius:12px}

/* --- Cards & grid --- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title h2,.card-title h3{margin:0}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat-value{font-size:26px;font-weight:750;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-label{color:var(--muted);font-size:12px;margin-top:4px}
.stat-ico{float:right;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:16px}

/* --- Table --- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;padding:10px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:1px solid var(--line);background:var(--panel-2);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:var(--gray-soft)}
.table a.row-link{color:var(--text);font-weight:600}

/* --- Badges --- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:650;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-green{background:var(--green-soft);color:var(--green)}
.badge-blue{background:var(--blue-soft);color:var(--blue)}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-red{background:var(--red-soft);color:var(--red)}
.badge-gray{background:var(--gray-soft);color:var(--gray)}
.badge-violet{background:var(--violet-soft);color:var(--violet)}

/* --- Progress --- */
.progress{height:8px;background:var(--gray-soft);border-radius:999px;overflow:hidden}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--violet));border-radius:999px;transition:width .4s}
.progress-bar.green{background:var(--green)}.progress-bar.amber{background:var(--amber)}.progress-bar.red{background:var(--red)}

/* --- Forms --- */
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
.form-input,.form-select,.form-textarea{width:100%;padding:9px 12px;border-radius:8px;border:1px solid var(--line-strong);background:var(--panel-2);color:var(--text);font-size:14px;font-family:inherit}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent)}
.form-textarea{min-height:90px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-hint{font-size:11.5px;color:var(--muted);margin-top:4px}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* --- Modal --- */
.modal-overlay{position:fixed;inset:0;background:rgba(2,6,23,.55);backdrop-filter:blur(2px);display:grid;place-items:center;z-index:60;padding:16px}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.modal.wide{max-width:760px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel)}
.modal-header h3{margin:0}
.modal-body{padding:18px}
.modal-close{background:none;border:0;font-size:22px;color:var(--muted);cursor:pointer}

/* --- Toast --- */
.toast-stack{position:fixed;bottom:18px;right:18px;z-index:80;display:flex;flex-direction:column;gap:10px;max-width:360px}
.toast{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:12px 14px;box-shadow:var(--shadow);font-size:13.5px;animation:slidein .25s ease}
.toast.success{border-left-color:var(--green)}
.toast.error{border-left-color:var(--red)}
@keyframes slidein{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}

/* --- Timeline --- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:10px 0}
.tl-dot{position:absolute;left:-24px;top:13px;width:14px;height:14px;border-radius:50%;border:3px solid var(--line-strong);background:var(--panel)}
.tl-done .tl-dot{background:var(--green);border-color:var(--green)}
.tl-active .tl-dot{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 4px var(--amber-soft)}
.tl-item .tl-title{font-weight:600}
.tl-item .tl-meta{font-size:12px;color:var(--muted)}

/* --- Empty state --- */
.empty{border:1px dashed var(--line-strong);border-radius:var(--radius);padding:36px;text-align:center;color:var(--muted);background:var(--panel)}
.empty .empty-ico{font-size:30px;display:block;margin-bottom:8px}

/* --- Live worker cards --- */
.worker-card{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--panel)}
.worker-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.worker-name{font-weight:700}
.worker-role{font-size:12px;color:var(--muted)}
.worker-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12.5px}
.worker-grid .k{color:var(--muted)}.worker-grid .v{font-weight:600}
.pulse{animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* --- Activity feed --- */
.activity{list-style:none;margin:0;padding:0}
.activity li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.activity li:last-child{border-bottom:0}
.activity .time{color:var(--muted);font-size:12px;white-space:nowrap}

/* --- Auth --- */
.auth-body{display:grid;place-items:center;min-height:100vh;background:radial-gradient(1100px 600px at 70% -10%,var(--accent-soft) 0,var(--bg) 55%)}
.auth-shell{width:100%;max-width:400px;padding:20px}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.auth-brand{text-align:center;margin-bottom:20px}
.auth-brand .brand-mark{margin:0 auto 10px;width:48px;height:48px;font-size:22px}
.auth-title{text-align:center;font-size:20px;font-weight:700;margin:0 0 4px}
.auth-sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:20px}
.auth-alt{text-align:center;font-size:13px;margin-top:16px;color:var(--muted)}

/* --- Employee mobile --- */
.emp-hero{background:linear-gradient(135deg,var(--accent),var(--violet));color:#fff;border-radius:16px;padding:22px;margin-bottom:18px}
.emp-hero .greet{font-size:14px;opacity:.85}
.emp-hero .job{font-size:19px;font-weight:700;margin:10px 0 4px}
.emp-hero .sub{font-size:13px;opacity:.9}
.emp-timer{font-size:34px;font-weight:750;font-variant-numeric:tabular-nums;margin:12px 0}
.emp-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.emp-actions .btn{font-size:15px;padding:15px}
.map-box{height:420px;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--panel)}

/* --- Section tabs --- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tab{padding:9px 14px;font-size:13.5px;color:var(--muted);border:0;background:none;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:650}

/* --- Responsive --- */
#menuBtn{display:none}
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .sidebar{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  #menuBtn{display:inline-flex}
  .main{padding:16px}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .user-name{display:none}
  .map-box{height:320px}
}

/* --- Contracts --- */
.sig-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
.sig-block{border-top:1px solid var(--line-strong);padding-top:10px}
.sig-block .sig-line{margin:4px 0 2px;font-weight:600;min-height:18px}
.sig-block .sig-img{max-height:64px;max-width:180px;margin:6px 0}
.sig-block .sig-meta{font-size:12px;color:var(--muted)}
.doc-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
@media(max-width:560px){.sig-grid{grid-template-columns:1fr}}