:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--primary:#2563eb;--danger:#dc2626;--ok:#16a34a;--border:#e5e7eb;--shadow:0 12px 30px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}.wrap{max-width:980px;margin:0 auto;padding:18px}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:22px;margin-bottom:16px}.login-card{width:100%;max-width:390px}.brand{text-align:center;margin-bottom:20px}.brand h1{margin:8px 0 4px;font-size:26px}.brand p{margin:0;color:var(--muted)}label{display:block;font-weight:700;margin:12px 0 6px}input,select,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;background:#fff;font-size:15px}textarea{min-height:90px;resize:vertical}.btn{border:0;border-radius:12px;padding:12px 16px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}.btn.secondary{background:#334155}.btn.danger{background:var(--danger)}.btn.light{background:#e5e7eb;color:#111827}.btn:active{transform:translateY(1px)}.topbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.topbar-inner{max-width:980px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:10px}.topbar h2{font-size:18px;margin:0}.role{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tile{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;text-decoration:none;color:var(--text);box-shadow:var(--shadow)}.tile strong{display:block;font-size:19px;margin:10px 0 6px}.tile span{color:var(--muted);font-size:14px}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.hint{font-size:13px;color:var(--muted);margin-top:6px}.alert{padding:12px;border-radius:12px;margin:12px 0;background:#ecfdf5;color:#166534;border:1px solid #bbf7d0}.hidden{display:none!important}.preview{width:100%;max-height:260px;object-fit:contain;border:1px solid var(--border);border-radius:12px;margin-top:10px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;font-size:14px;vertical-align:top}.table th{background:#f8fafc}.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e0f2fe;color:#075985}.danger-text{color:var(--danger);font-weight:700}.ok-text{color:var(--ok);font-weight:700}.small{font-size:12px;color:var(--muted)}@media(max-width:760px){.grid,.row{grid-template-columns:1fr}.topbar-inner{align-items:flex-start;flex-direction:column}.actions .btn{width:100%}.card{padding:16px}.wrap{padding:12px}}
.report-tab{width:100%;text-align:left;cursor:pointer;border:2px solid transparent}
.report-tab.active{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.report-tab h3{margin-top:0}
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.65)}.modal-box{position:relative;background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.3);width:min(920px,100%);max-height:92vh;padding:14px}.modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.modal-head h3{margin:0}.modal-img{width:100%;max-height:78vh;object-fit:contain;border-radius:12px;background:#f8fafc}.photo-btn{margin-top:8px}

.camera-box{margin-top:10px;border:1px solid var(--border);border-radius:14px;padding:10px;background:#f8fafc}.camera-box video{width:100%;max-height:360px;border-radius:12px;background:#000;object-fit:cover}
.install-note{font-size:13px;color:#64748b;margin-top:10px}.btn.secondary{background:#0ea5e9;color:#fff}.hidden{display:none!important}

/* v2.1 Camera workflow */
.camera-panel{margin-top:12px;border:1px solid var(--border);border-radius:16px;background:#0f172a;padding:12px;color:#fff}
.camera-panel video{width:100%;max-height:62vh;object-fit:contain;border-radius:12px;background:#000;display:block}
.camera-preview-card{margin-top:12px;border:1px solid var(--border);border-radius:16px;padding:12px;background:#f8fafc}
.camera-preview-card h4{margin:0 0 8px}.camera-status{font-size:13px;color:var(--muted);margin-top:8px}.btn.success{background:#16a34a}.btn.warning{background:#f59e0b;color:#111827}
.notice{padding:10px 12px;border-radius:12px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;font-size:14px;margin:10px 0}
@media(max-width:760px){.camera-panel video{max-height:55vh}}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.admin-grid h4{margin:8px 0 4px}
.admin-table{margin-top:14px;max-height:360px}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap}
.inline-actions .btn{padding:8px 10px;font-size:13px}
.btn.outline{box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}
@media(max-width:760px){.admin-grid{grid-template-columns:1fr}.admin-table{max-height:none}}
.electricity-report-mode .wrap{max-width:1180px}
.table td.num{text-align:right;font-variant-numeric:tabular-nums}
.table td.consumption{font-weight:800;color:#0f5132;white-space:nowrap}
.mobile-report-cards{display:none}
.electricity-report-card{border:1px solid var(--border);border-radius:14px;background:#fff;padding:14px;box-shadow:var(--shadow)}
.mobile-card-head{display:grid;gap:8px;margin-bottom:12px}
.mobile-card-head strong,.mobile-card-head span,.mobile-card-head small{display:block}
.mobile-card-head strong{font-size:17px}
.mobile-card-head span,.mobile-card-head small{color:var(--muted);font-size:13px}
.mobile-metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.mobile-metric-grid div{padding:10px;border:1px solid var(--border);border-radius:10px;background:#f8fafc}
.mobile-metric-grid span,.mobile-consumption span{display:block;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}
.mobile-metric-grid strong{display:block;margin-top:5px;font-size:16px;font-variant-numeric:tabular-nums}
.mobile-consumption{margin-top:12px;padding:12px;border-radius:12px;background:#ecfdf5;border:1px solid #bbf7d0}
.mobile-consumption strong{display:block;margin-top:4px;font-size:22px;color:#0f5132;font-weight:800}
.mobile-card-actions{margin-top:12px}
@media(max-width:760px){
  .electricity-report-mode .table-wrap{display:none}
  .electricity-report-mode .mobile-report-cards{display:grid;gap:12px}
}