:root{--bg: #f8fafc;--panel: #ffffff;--ink: #0f172a;--muted: #64748b;--line: #e2e8f0;--brand: #0f766e;--brand-soft: #ccfbf1;--danger: #b91c1c;--warn: #b45309;--good: #15803d;font-family:Inter,Noto Sans Tamil,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--brand)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{font-weight:800;letter-spacing:-.02em;color:var(--brand)}.topbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.main{display:grid;grid-template-columns:220px minmax(0,1fr);gap:20px;padding:20px;max-width:1440px;width:100%;margin:0 auto}.sidebar{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:10px;height:fit-content;position:sticky;top:74px}.nav-link{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none;margin:2px 0;font-size:14px}.nav-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700}.content{min-width:0}.page-title{margin:0 0 16px;font-size:24px;letter-spacing:-.02em}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.page-header .page-title{margin:0}.page-subtitle{color:var(--muted);font-size:13px;margin-top:4px;max-width:78ch;line-height:1.5}.help-link{flex:0 0 auto;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:var(--panel);color:var(--brand);font-weight:800;text-decoration:none}.help-link:hover{background:var(--brand-soft);border-color:var(--brand)}.search-results{border:1px solid var(--line);border-radius:10px;margin-top:6px;max-height:240px;overflow:auto;background:#fff}.search-result{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:#fff;padding:9px 10px}.search-result:last-child{border-bottom:0}.search-result:hover{background:var(--brand-soft)}.search-result strong{display:block;font-size:14px}.search-result span{color:var(--muted);font-size:12px}.matrix{display:grid;gap:8px}.matrix-row{display:grid;grid-template-columns:minmax(140px,220px) 1fr;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.matrix-row:last-child{border-bottom:0}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:0 1px 2px #0f172a08}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.metric{font-size:28px;font-weight:800;letter-spacing:-.03em}.muted{color:var(--muted);font-size:13px}.label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:10px}.form-row-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px}.btn{border:0;border-radius:10px;padding:10px 14px;background:var(--brand);color:#fff;font-weight:700}.btn.secondary{background:#f1f5f9;color:var(--ink)}.btn.danger{background:var(--danger)}.btn.small{padding:6px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.list{display:grid;gap:8px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#f1f5f9;font-size:12px;font-weight:700}.badge.good{background:#dcfce7;color:var(--good)}.badge.warn{background:#fef3c7;color:var(--warn)}.badge.danger{background:#fee2e2;color:var(--danger)}.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,#ccfbf1,#f8fafc 55%)}.auth-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 20px 60px #0f172a14}.auth-title{margin:0 0 6px;font-size:28px;letter-spacing:-.03em}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;font-size:13px}.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}.offline-banner{background:#fef3c7;color:#78350f;padding:8px 16px;font-size:13px;text-align:center}.error{background:#fee2e2;color:#7f1d1d;padding:10px 12px;border-radius:10px;font-size:14px;margin-bottom:10px}.success{background:#dcfce7;color:#14532d;padding:10px 12px;border-radius:10px;font-size:14px;margin-bottom:10px}.bottom-nav{display:none}@media (max-width: 900px){.main{grid-template-columns:1fr;padding:14px 14px 80px}.sidebar{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2,.form-row,.form-row-3{grid-template-columns:1fr}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--panel);border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));justify-content:space-around;z-index:20}.bottom-nav a{text-decoration:none;color:var(--muted);font-size:11px;text-align:center;padding:4px 8px;border-radius:8px}.bottom-nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}.topbar{padding:10px 14px}}@media (max-width: 520px){.grid{grid-template-columns:1fr}}