:root{--navy:#1f4e79;--navy-deep:#163a5c;--saffron:#f0a020;--ink:#5a1008;--text:#3d2418;--line:#ead8c0;--paper:#f6f3ee;--card:#fff;--shadow:0 8px 24px #1f4e791f;color:var(--text);background:var(--paper);font-family:Noto Sans Tamil,Nirmala UI,Latha,sans-serif}*{box-sizing:border-box}body{background:var(--paper);margin:0}button,input,select{font-family:inherit;font-size:16px}button{cursor:pointer}.app{min-height:100vh}.menu{z-index:30;background:var(--navy);color:#fff;align-items:center;gap:8px;min-height:56px;padding:8px 12px;display:flex;position:sticky;top:0;box-shadow:0 2px 8px #0000002e}.menu button,.drawer button,.drawer a,.drop nav a{color:#fff;background:0 0;border:0;border-radius:8px;align-items:center;min-height:44px;padding:8px 12px;text-decoration:none;display:inline-flex}.menu button:hover,.menu button.current{background:#ffffff24}.brand{letter-spacing:.04em;font-size:18px;font-weight:700}.page-title{white-space:nowrap;text-overflow:ellipsis;font-weight:700;overflow:hidden}.menu-end{align-items:center;gap:4px;margin-left:auto;display:flex}.who{opacity:.9;white-space:nowrap;padding:0 8px}.menu .menu-toggle{display:none}.desk-nav{flex:1;align-items:center;gap:4px;display:flex}.drop{position:relative}.drop nav{z-index:40;background:var(--card);box-shadow:var(--shadow);border-radius:10px;min-width:240px;padding:6px;display:none;position:absolute;top:calc(100% + 6px);left:0}.drop.open nav,.drop:focus-within nav{display:grid}.drop nav button,.drop nav a{color:var(--ink);text-align:left;background:0 0;justify-content:flex-start}.drop nav button:hover,.drop nav a:hover,.drop nav button.current{background:#fff4e0}.backdrop{z-index:35;background:#161c2473;border:0;border-radius:0;width:100%;min-height:100vh;position:fixed;inset:0}.drawer{z-index:36;background:var(--navy-deep);color:#fff;width:min(320px,86vw);box-shadow:var(--shadow);padding:16px 12px 32px;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;overflow:auto;transform:translate(-105%)}.drawer.open{transform:translate(0)}.drawer button,.drawer a{text-align:left;justify-content:flex-start;width:100%}.drawer button.current,.drawer button:hover,.drawer a:hover{background:#ffffff24}.drawer-label{letter-spacing:.06em;text-transform:uppercase;color:#f0c27a;margin:14px 8px 4px;font-size:12px}.screen{max-width:1280px;margin:0 auto;padding:16px 16px 40px}.orange{background:var(--card);border-top:4px solid var(--saffron);box-shadow:var(--shadow);color:var(--ink);border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;padding:12px;display:flex}.orange label{font-weight:700}.printer-fields{border-top:1px solid var(--line);flex-wrap:wrap;flex-basis:100%;align-items:center;gap:10px;padding-top:8px;display:flex}.printer-note{flex-basis:100%;margin:0;font-size:14px}input,select{min-height:44px;color:var(--text);background:#fff;border:1px solid #d7c4a8;border-radius:8px;padding:8px 10px}input.tick{width:22px;height:22px;min-height:0;padding:0}.table-wrap{background:var(--card);max-height:calc(100vh - 180px);box-shadow:var(--shadow);border-radius:10px;overflow:auto}table{border-collapse:collapse;background:var(--card);width:100%;min-width:640px}table.wide{min-width:1100px}th{z-index:1;background:var(--saffron);color:var(--ink);text-align:left;padding:10px 8px;position:sticky;top:0}td{border-bottom:1px solid var(--line);vertical-align:middle;padding:8px}td:last-child{white-space:nowrap}td button+button{margin-left:6px}tr:nth-child(2n) td{background:#fffaf3}.red{color:#b00000}.totals{color:var(--ink);background:#f7c27a;border-radius:10px;flex-wrap:wrap;gap:16px;margin-top:12px;padding:12px;font-weight:700;display:flex}.popup{z-index:50;background:#161c2473;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.dialog{background:var(--card);box-shadow:var(--shadow);border-radius:12px;width:min(640px,100%);max-height:calc(100vh - 32px);padding:16px;overflow:auto}.dialog h2{background:var(--navy);color:#fff;border-radius:8px;margin:0 0 12px;padding:10px 12px;font-size:18px}.grid{grid-template-columns:140px 1fr;align-items:center;gap:10px;display:grid}.grid span{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.actions{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.actions button,.orange button,.totals button,td button{background:var(--navy);color:#fff;border:0;border-radius:8px;min-height:44px;padding:8px 14px}.actions button:last-child,td button.ghost{color:var(--ink);background:#efe6da}.login{background:linear-gradient(160deg, var(--navy) 0%, #2d6aa3 55%, #c47a12 100%);place-items:center;min-height:100vh;padding:16px;display:grid}.login form{background:var(--card);box-shadow:var(--shadow);border-radius:14px;width:min(420px,100%);padding:24px}.login h1{color:var(--navy);margin:0 0 4px}.login p{color:var(--ink);margin-top:0}.home-cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.card{background:var(--card);border-top:6px solid var(--saffron);box-shadow:var(--shadow);border-radius:12px;padding:16px}.card h3{color:var(--navy);margin:0 0 8px}.card p{margin:4px 0;font-size:18px}.note{color:#5a3b00;background:#fff3cd;border-radius:8px;margin:0 0 12px;padding:10px 12px}.pwa-bar{color:#5a3b00;background:#fff3cd;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;display:flex}.pwa-bar button{background:var(--navy);color:#fff;border:0;border-radius:8px;min-height:44px;padding:8px 12px}.sheet{color:#000;width:min(720px,100%);box-shadow:var(--shadow);background:#fff;border-radius:8px;margin:0 auto 16px;padding:16px}.sheet h3,.sheet h4{text-align:center;margin:4px 0}.sheet .letterhead{width:100%;height:auto;display:none}.sheet .bill-date{text-align:right;margin:8px 0}.sheet .table-wrap{box-shadow:none;border-radius:0;max-height:none}.right{text-align:right}.picker{max-height:360px;overflow:auto}@media (width<=1100px){.desk-nav,.who{display:none}.menu .menu-toggle{display:inline-flex}.page-title{flex:1}}@media (width>=1101px){.drawer,.backdrop,.menu .menu-toggle,.page-title{display:none}}@media (width<=640px){.screen{padding:12px 10px 32px}.orange{align-items:stretch}.orange label,.orange input,.orange select,.orange button{width:100%}.popup{align-items:stretch;padding:0}.dialog{border-radius:0;width:100%;min-height:100%;max-height:100vh}.grid{grid-template-columns:1fr}.login form{padding:18px}}@media print{.menu,.orange,.actions,.no-print,.drawer,.backdrop,.pwa-bar{display:none!important}body,.app{background:#fff}.screen{max-width:none;padding:0}.sheet{box-shadow:none;break-after:page;width:100%}.sheet .letterhead{display:block}.table-wrap{max-height:none;box-shadow:none;overflow:visible}table{min-width:0}}