:root {
  --bg:#0f172a; --panel:#ffffff; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0;
  --brand:#2563eb; --brand-d:#1d4ed8; --good:#16a34a; --warn:#d97706; --bad:#dc2626;
  --off:#cbd5e1; --chip:#f1f5f9; --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#f8fafc}
a{color:var(--brand);text-decoration:none} button{font:inherit;cursor:pointer}

/* layout */
.topbar{display:flex;align-items:center;gap:14px;padding:10px 18px;background:var(--bg);color:#fff}
.topbar .logo{font-weight:800;letter-spacing:.3px}
.topbar .logo b{color:#7dd3fc}
.topbar .spacer{flex:1}
.topbar .who{color:#cbd5e1;font-size:13px}
.topbar .role{background:#1e293b;border:1px solid #334155;color:#93c5fd;border-radius:999px;padding:2px 10px;font-size:12px;margin-left:8px}
.topbar a.btn,.topbar button.btn{background:#1e293b;border:1px solid #334155;color:#e2e8f0}

.shell{display:flex;height:calc(100vh - 49px)}
.sidebar{width:280px;border-right:1px solid var(--line);background:#fff;overflow:auto;padding:14px}
.main{flex:1;overflow:auto;padding:18px 22px}
.sidebar h3{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:14px 4px 8px}
.site-item{padding:9px 11px;border-radius:9px;cursor:pointer;margin-bottom:4px;border:1px solid transparent}
.site-item:hover{background:var(--chip)}
.site-item.active{background:#eff6ff;border-color:#bfdbfe}
.site-item .nm{font-weight:600}
.site-item .meta{font-size:12px;color:var(--muted)}
.sb-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:2px 4px 5px}
.sb-select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
.proj-name{font-weight:700;font-size:15px;margin:8px 4px 2px}
.proj-tenant{font-size:12px;color:var(--muted);margin:0 4px 6px}

/* buttons */
.btn{background:var(--brand);color:#fff;border:none;border-radius:9px;padding:8px 13px;font-weight:600}
.btn:hover{background:var(--brand-d)} .btn.sm{padding:5px 10px;font-size:13px;border-radius:7px}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--chip)} .btn.warn{background:var(--warn)} .btn.bad{background:var(--bad)}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .spacer{flex:1}

/* header block */
.site-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:6px}
.site-head h1{font-size:20px;margin:0}
.site-head .addr{color:var(--muted);font-size:13px}
.progress{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden;width:220px;margin-top:6px}
.progress>i{display:block;height:100%;background:var(--good)}

/* table */
table.grid{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.grid th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);background:#f8fafc}
.grid td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.grid tr:last-child td{border-bottom:none}
.grid tr.row:hover{background:#f8fafc;cursor:pointer}
.nm{font-weight:600} .sub{color:var(--muted);font-size:12px}
.src{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.dev-chip{display:inline-block;background:var(--chip);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:12px;margin:0 4px 4px 0;line-height:1.25}
.dev-chip.common{background:#fef3c7;border-color:#fde68a}
.dev-chip .mac{display:block;font-family:ui-monospace,Menlo,monospace;font-size:10px;color:#64748b;letter-spacing:.02em}
.dev-list{display:flex;flex-direction:column;gap:8px}
.dev-row{border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fff}
.dev-row .mac-big{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:#0f172a;margin:2px 0}

/* signal cluster */
.cluster{display:flex;gap:7px;align-items:center}
.sig{display:flex;flex-direction:column;align-items:center;gap:3px;width:34px}
.dot{width:14px;height:14px;border-radius:50%;background:var(--off);border:2px solid var(--off)}
.dot.on{background:var(--good);border-color:var(--good)}
.dot.bad{background:#fff;border-color:var(--bad)}
.sig small{font-size:9px;color:var(--muted);text-transform:uppercase}

/* status pills */
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}
.pill.pending{background:#f1f5f9;color:#475569}
.pill.in_progress{background:#dbeafe;color:#1e40af}
.pill.installed{background:#dcfce7;color:#166534}
.badge-ov{background:#fef3c7;color:#92400e;border-radius:999px;font-size:11px;padding:2px 7px;margin-left:6px;font-weight:700}

/* drawer */
.drawer-bg{position:fixed;inset:0;background:rgba(15,23,42,.35);display:none}
.drawer-bg.open{display:block}
.drawer{position:fixed;top:0;right:0;height:100%;width:420px;max-width:92vw;background:#fff;box-shadow:-8px 0 30px rgba(15,23,42,.18);transform:translateX(100%);transition:transform .18s ease;overflow:auto;z-index:5}
.drawer.open{transform:translateX(0)}
.drawer .dh{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.drawer .dh h2{font-size:17px;margin:0;flex:1}
.drawer .body{padding:16px 18px}
.sec{margin-bottom:18px}
.sec h4{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 8px}
.kv{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed #eef2f7}
.issue{background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;padding:8px 10px;margin-bottom:6px}
.issue.resolved{background:#f0fdf4;border-color:#bbf7d0;opacity:.8}
.issue .it{font-weight:600;font-size:13px} .issue .in{font-size:13px;color:#475569}
.photo-thumb{display:inline-block;width:54px;height:54px;border-radius:8px;background:#e2e8f0 center/cover;border:1px solid var(--line);margin:0 6px 6px 0;vertical-align:top}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.x{background:none;border:none;font-size:20px;color:var(--muted);line-height:1}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 70% -10%,#1e3a8a,#0f172a)}
.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);width:360px;padding:28px}
.login-card h1{margin:0 0 2px;font-size:22px}.login-card .iq b{color:var(--brand)}
.login-card p{color:var(--muted);margin:0 0 18px;font-size:13px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit}
.login-card .btn{width:100%;margin-top:16px;padding:11px}
.login-card .core{display:block;text-align:center;margin-top:14px}
.err{color:var(--bad);font-size:13px;margin-top:10px;min-height:18px}
.hint{background:var(--chip);border-radius:9px;padding:9px 11px;font-size:12px;color:#475569;margin-top:16px}
.modalbg{position:fixed;inset:0;background:rgba(15,23,42,.35);display:none;align-items:center;justify-content:center;z-index:10}
.modalbg.open{display:flex}
.modal{background:#fff;border-radius:14px;padding:20px;width:380px;box-shadow:var(--shadow)}
.modal h3{margin:0 0 12px} .modal label{display:block;font-size:12px;color:var(--muted);margin:8px 0 4px}
.modal input,.modal select,.modal textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit}
.modal .row{display:flex;gap:10px} .modal .row>div{flex:1}
.modal .foot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.empty{text-align:center;color:var(--muted);padding:60px 20px}
.jsonbox{background:#0f172a;color:#7dd3fc;font-family:ui-monospace,Menlo,monospace;font-size:11px;border-radius:8px;padding:10px;max-height:280px;overflow:auto;margin-top:8px;white-space:pre-wrap;word-break:break-word}
.zconn{display:inline-flex;align-items:center;gap:6px;background:#dcfce7;color:#166534;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;margin-bottom:10px}
.zconn.off{background:#f1f5f9;color:#475569}