:root{--saffron:#ff6a00;--saffron-dark:#e25a00;--green:#138808;--ink:#1a1a1a;--muted:#6b7280;--line:#e5e7eb;--bg:#f7f7f8;--card:#fff;--danger:#c0392b}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}a{color:var(--saffron-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:880px;margin:0 auto;padding:16px}.topbar{background:linear-gradient(90deg,var(--saffron),var(--saffron-dark));color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;letter-spacing:.3px;color:#fff}.topbar .brand span{color:#fff;opacity:.85;font-weight:400}.nav{display:flex;gap:4px;flex-wrap:wrap;background:var(--card);border-bottom:1px solid var(--line);padding:8px 16px;position:-webkit-sticky;position:sticky;top:48px;z-index:9}.nav a{padding:6px 12px;border-radius:999px;color:var(--ink);font-size:14px}.nav a.active{background:var(--saffron);color:#fff}.nav a:hover{text-decoration:none;background:#fff3e8}.nav a.active:hover{background:var(--saffron-dark)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}.card h3{margin:0 0 6px}.card .meta{color:var(--muted);font-size:13px}.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:#eef2f7;color:var(--muted);margin-left:6px}.badge.green{background:#e7f6e7;color:var(--green)}.badge.saffron{background:#fff0e3;color:var(--saffron-dark)}label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}textarea{min-height:90px;resize:vertical}.btn{display:inline-block;background:var(--saffron);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:15px;cursor:pointer}.btn:hover{background:var(--saffron-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.green{background:var(--green)}.btn.sm{padding:5px 10px;font-size:13px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spacer{flex:1 1}.error{color:var(--danger)}.error,.success{font-size:14px;margin:8px 0}.success{color:var(--green)}.muted{color:var(--muted)}.center{text-align:center}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px}.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.stat .n{font-size:28px;font-weight:700;color:var(--saffron-dark)}.stat .l{color:var(--muted);font-size:13px}.bell{position:relative;color:#fff}.bell .dot{position:absolute;top:-6px;right:-10px;background:var(--green);color:#fff;border-radius:999px;font-size:11px;padding:0 6px;min-width:18px;text-align:center}.progress{height:8px;background:var(--line);border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--green)}.tree-node{padding:4px 0}.tree-children{margin-left:16px;border-left:1px dashed var(--line);padding-left:12px}@keyframes pulse-ring{0%{box-shadow:0 0 0 0 rgba(19,136,8,.55)}70%{box-shadow:0 0 0 12px rgba(19,136,8,0)}to{box-shadow:0 0 0 0 rgba(19,136,8,0)}}.tripura-pin{width:15px;height:15px;margin:-7.5px 0 0 -7.5px;border-radius:50%;border:2px solid #fff;animation:pulse-ring 1.8s infinite;cursor:pointer}.tripura-pin,.tripura-pin .tripura-label{position:absolute;background:var(--green)}.tripura-pin .tripura-label{left:20px;top:50%;transform:translateY(-50%);color:#fff;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;white-space:nowrap;box-shadow:0 1px 4px rgba(0,0,0,.2)}.tripura-pin:hover{background:#0f6e06}.tripura-pin:hover .tripura-label{background:#0f6e06;text-decoration:none}