:root {
    --bg: #f4f6f5;
    --card: #fff;
    --text: #1d2a26;
    --muted: #66756f;
    --line: #e3e8e6;
    --primary: #0f766e;
    --primary-d: #0b5c56;
    --primary-l: #e6f4f2;
    --green: #15803d;
    --green-l: #e8f6ec;
    --amber: #b45309;
    --amber-l: #fdf3e2;
    --red: #b91c1c;
    --red-l: #fdecec;
    --blue: #1d4ed8;
    --blue-l: #e9effd;
    --side: #0f2e2a;
    --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Tamil", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.25; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }
.ic { width: 18px; height: 18px; flex: none; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.strong { font-weight: 600; }
.mt { margin-top: 1rem; }
.mb { margin-bottom: 1rem; }
.hide { display: none !important; }

/* ---------- layout ---------- */
.side { position: fixed; inset: 0 auto 0 0; width: 240px; background: var(--side); color: #cfe3de; display: flex; flex-direction: column; z-index: 30; overflow-y: auto; }
.brand { display: flex; gap: .7rem; align-items: center; padding: 1.1rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.logo { width: 38px; height: 38px; border-radius: 9px; background: #14b8a6; color: #04302b; font-weight: 800; font-size: 1.2rem; display: grid; place-items: center; }
.brand-name { color: #fff; font-weight: 700; line-height: 1.2; }
.brand-sub { font-size: .75rem; color: #8fb3ab; }
.side nav { padding: .6rem .5rem 2rem; }
.side nav a { display: flex; gap: .7rem; align-items: center; padding: .6rem .75rem; border-radius: 8px; color: #cfe3de; font-weight: 500; }
.side nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.side nav a.active { background: #14b8a6; color: #04302b; }
.nav-head { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #7fa39b; padding: 1rem .75rem .35rem; }
.main { margin-left: 240px; min-height: 100vh; display: flex; flex-direction: column; }
.top { display: none; }
.content { padding: 1.5rem; flex: 1; max-width: 1280px; width: 100%; }
.foot { padding: 1rem 1.5rem; color: var(--muted); font-size: .8rem; }
.page-head { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.page-head h1 { margin: 0; }
.page-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.scrim { display: none; }

@media (max-width: 900px) {
    .side { transform: translateX(-100%); transition: transform .2s; }
    #navtoggle:checked ~ .side { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.4); }
    #navtoggle:checked ~ .scrim { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 20; }
    .main { margin-left: 0; }
    .top { display: flex; align-items: center; gap: .75rem; position: sticky; top: 0; z-index: 10; background: var(--side); color: #fff; padding: .6rem 1rem; }
    .top-title { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .who { display: none; }
    .burger { width: 32px; height: 32px; display: flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
    .burger span { display: block; height: 2px; background: #fff; border-radius: 2px; }
    .content { padding: 1rem; }
    .page-head h1 { font-size: 1.2rem; }
}

/* ---------- cards / grid ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; margin-bottom: 1rem; }
.card > h2:first-child, .card > h3:first-child { margin-bottom: .8rem; }
.card.flush { padding: 0; overflow: hidden; }
.card.flush > h2:first-child { padding: 1rem 1.1rem 0; }
.grid { display: grid; gap: 1rem; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 1rem; align-items: start; }

.split.wide-left { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
@media (max-width: 1000px) { .split.wide-left { grid-template-columns: 1fr; } .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: 1fr 1fr; } .split { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .g2, .g3 { grid-template-columns: 1fr; } .g4 { grid-template-columns: 1fr 1fr; } }

.stats { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--primary); border-radius: var(--radius); padding: .85rem 1rem; color: var(--text); display: block; }
a.stat:hover { text-decoration: none; border-color: var(--primary); }
.stat-val { font-size: 1.35rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: .82rem; }
.stat.green { border-left-color: var(--green); }
.stat.amber { border-left-color: var(--amber); }
.stat.red { border-left-color: var(--red); }
.stat.blue { border-left-color: var(--blue); }
@media (max-width: 560px) { .stats { grid-template-columns: 1fr 1fr; } .stat-val { font-size: 1.1rem; } }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.t th { text-align: left; font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: #f8faf9; padding: .6rem .8rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.t td { padding: .6rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t tr:last-child td { border-bottom: 0; }
table.t tfoot td { font-weight: 700; background: #f8faf9; }
table.t .num { text-align: right; white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 2rem 1rem !important; }
/* stacked rows on phones */
@media (max-width: 700px) {
    table.t.stack thead { display: none; }
    table.t.stack tr { display: block; border-bottom: 1px solid var(--line); padding: .5rem .2rem; }
    table.t.stack td { display: flex; justify-content: space-between; gap: 1rem; border: 0; padding: .25rem .8rem; text-align: right; }
    table.t.stack td::before { content: attr(data-l); color: var(--muted); font-size: .8rem; text-align: left; }
    table.t.stack td.num { text-align: right; }
    table.t.stack tfoot tr { display: block; }
}

dl.kv { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0; }
dl.kv dt, dl.kv dd { padding: .45rem 0; border-bottom: 1px solid var(--line); margin: 0; }
dl.kv dt { color: var(--muted); padding-right: 1rem; }
dl.kv dd { text-align: right; font-weight: 500; }

/* ---------- badges / alerts ---------- */
.badge { display: inline-block; padding: .12rem .55rem; border-radius: 99px; font-size: .75rem; font-weight: 600; white-space: nowrap; }
.badge.green { background: var(--green-l); color: var(--green); }
.badge.amber { background: var(--amber-l); color: var(--amber); }
.badge.red { background: var(--red-l); color: var(--red); }
.badge.blue { background: var(--blue-l); color: var(--blue); }
.badge.grey { background: #eef0ef; color: #555; }
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; }
.alert.success { background: var(--green-l); color: var(--green); border-color: #bfe5cb; }
.alert.error { background: var(--red-l); color: var(--red); border-color: #f5c6c6; }
.alert.info { background: var(--blue-l); color: var(--blue); border-color: #c9d7fa; }
.alert.warn { background: var(--amber-l); color: var(--amber); border-color: #f3dcb4; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .3rem; }
label .req { color: var(--red); }
.field { margin-bottom: .9rem; }
input[type=text], input[type=tel], input[type=number], input[type=date], input[type=password], input[type=email], input[type=search], select, textarea {
    width: 100%; padding: .6rem .7rem; border: 1px solid #cfd8d5; border-radius: 8px; font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #99e0d6; border-color: var(--primary); }
textarea { min-height: 90px; resize: vertical; }
.hint { font-size: .8rem; color: var(--muted); margin-top: .25rem; }
.inline { display: flex; gap: .5rem; align-items: center; }
.check { display: flex; gap: .5rem; align-items: flex-start; font-weight: 500; }
.check input { margin-top: .25rem; }
.prefix { display: flex; }
.prefix span { padding: .6rem .7rem; background: #eef2f1; border: 1px solid #cfd8d5; border-right: 0; border-radius: 8px 0 0 8px; color: var(--muted); }
.prefix input { border-radius: 0 8px 8px 0; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: flex-end; margin-bottom: 1rem; }
.filters > * { flex: 1 1 150px; }
.filters .btn { flex: 0 0 auto; }
.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.tabs a { padding: .35rem .8rem; border-radius: 99px; background: #fff; border: 1px solid var(--line); color: var(--text); font-size: .88rem; }
.tabs a.on { background: var(--primary); color: #fff; border-color: var(--primary); }
.tabs a:hover { text-decoration: none; }

.btn { display: inline-flex; gap: .4rem; align-items: center; justify-content: center; padding: .6rem 1rem; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--text); font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { text-decoration: none; border-color: #b9c6c2; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-d); }
.btn.green { background: var(--green); color: #fff; border-color: var(--green); }
.btn.red { background: #fff; color: var(--red); border-color: #f0b4b4; }
.btn.red.solid { background: var(--red); color: #fff; }
.btn.block { width: 100%; }
.btn.lg { padding: .85rem 1.2rem; font-size: 1.05rem; }
.btn.sm, .btn-sm { padding: .3rem .65rem; font-size: .82rem; }
.btn:disabled { opacity: .6; cursor: wait; }
.pager { display: flex; gap: .75rem; align-items: center; justify-content: center; padding: 1rem; color: var(--muted); font-size: .88rem; }

/* collect box */
.collect { border: 2px solid var(--primary); background: var(--primary-l); }
.collect .amounts { display: flex; flex-wrap: wrap; gap: 1.2rem; margin: .5rem 0 1rem; }
.collect .amounts div { min-width: 120px; }
.collect .big { font-size: 1.6rem; font-weight: 800; }
.progress { height: 8px; background: #e2e8e6; border-radius: 99px; overflow: hidden; margin-top: .4rem; }
.progress i { display: block; height: 100%; background: var(--primary); }
details.more summary { cursor: pointer; color: var(--muted); font-weight: 600; margin: .5rem 0; }

/* login */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: linear-gradient(160deg, #0f2e2a, #0f766e); }
.auth { width: 100%; max-width: 380px; background: #fff; border-radius: 14px; padding: 1.75rem; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.auth .logo { margin-bottom: .75rem; }

/* print */
@media print {
    .side, .top, .foot, .page-head .page-actions, .no-print { display: none !important; }
    .main { margin: 0; }
    body { background: #fff; }
}

/* keep grid columns from being stretched by wide tables */
.split > *, .grid > * { min-width: 0; }
dl.kv dd { overflow-wrap: anywhere; }