:root {
    --bg: #f5f6f4;
    --surface: #ffffff;
    --inset: #f8f9f7;
    --text: #1d2420;
    --muted: #66706a;
    --border: #dfe3df;
    --accent: #1f6f4a;
    --accent-text: #ffffff;
    --good: #1f7a4d;
    --good-bg: #e6f3eb;
    --bad: #c62828;
    --bad-bg: #fdecec;
    --warn-bg: #fff6e0;
    --warn-border: #f0cf7a;
    --nil: #e0201b;
    --radius: 10px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #141816;
        --surface: #1c211e;
        --inset: #222825;
        --text: #e6ebe7;
        --muted: #9aa59f;
        --border: #2f3632;
        --accent: #3fae78;
        --accent-text: #0e1411;
        --good: #5cc58f;
        --good-bg: #183224;
        --bad: #ff6b6b;
        --bad-bg: #3a1c1c;
        --warn-bg: #33290f;
        --warn-border: #6b5520;
        --nil: #ff6b6b;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body.urdu { font-family: "Noto Nastaliq Urdu", system-ui, sans-serif; line-height: 2; }
body.urdu input, body.urdu select, body.urdu .num, body.urdu .sheet td { font-family: system-ui, sans-serif; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .25rem; }
.muted { color: var(--muted); font-weight: normal; }
.small { font-size: .85rem; }
.bad { color: var(--bad); }

/* Top bar */
.topbar {
    display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
    padding: .6rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); }
.topbar nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.topbar nav a { padding: .35rem .75rem; border-radius: 6px; color: var(--muted); }
.topbar nav a.active, .topbar nav a:hover { background: var(--inset); color: var(--text); text-decoration: none; }
.topbar-end { margin-inline-start: auto; display: flex; gap: 1rem; align-items: center; }
.lang { font-weight: 600; }

.page { max-width: 1280px; margin: 0 auto; padding: 1.25rem 16px 3rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head p { margin: .25rem 0 0; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.1rem 1.25rem; margin-bottom: 1rem; min-width: 0;
}
.card.inset { background: var(--inset); margin: 0; }
.warn-card { background: var(--warn-bg); border-color: var(--warn-border); }
.warn-card ul { margin: 0; padding-inline-start: 1.25rem; }

.grid-2, .grid-3 { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + .card, .card + .grid-2 { margin-top: 1rem; }
.grid-2 { margin-bottom: 1rem; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem 1rem; }
.stat-label { color: var(--muted); font-size: .85rem; }
.stat-value { font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-note { font-size: .8rem; color: var(--muted); }
.stat.good .stat-value { color: var(--good); }
.stat.bad .stat-value { color: var(--bad); }
.stat.strong { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.stat.strong .stat-label { color: inherit; opacity: .85; }

/* Forms */
label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: .5rem; }
.hint { font-size: .8rem; color: var(--muted); font-weight: normal; }
input, select {
    font: inherit; font-size: .95rem; padding: .45rem .6rem; border: 1px solid var(--border); border-radius: 6px;
    background: var(--surface); color: var(--text); min-width: 0; width: 100%;
}
input[type="checkbox"] { width: auto; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; margin: 0; }
legend { font-size: .9rem; font-weight: 500; padding: 0 .35rem; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.inline-form { display: flex; gap: .6rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: .75rem; }
.inline-form label { flex: 0 1 150px; }
.inline-form label.wide { flex: 1 1 220px; }
.payment-form { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto; gap: .6rem; align-items: end; }
.row-form { display: flex; gap: .4rem; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; font: inherit; font-size: .9rem; font-weight: 600;
    padding: .5rem .95rem; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
    cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--inset); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.small { padding: .3rem .6rem; font-size: .8rem; }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; }
button.link.danger { color: var(--bad); }

.flash { padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.flash.success { background: var(--good-bg); color: var(--good); }
.flash.error { background: var(--bad-bg); color: var(--bad); }

.tag { display: inline-block; font-size: .75rem; padding: .05rem .5rem; border-radius: 99px; background: var(--inset); border: 1px solid var(--border); color: var(--muted); }
.tag.good { background: var(--good-bg); color: var(--good); border-color: transparent; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { padding: .2rem .6rem; border: 1px solid var(--border); border-radius: 6px; font-weight: 600; }

.steps li { margin-bottom: .35rem; }
.steps li.done { color: var(--good); }
.steps li.done::marker { content: "✓  "; }

/* Shop picker */
.shop-picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: .4rem; }
.shop-box { position: relative; }
.shop-box input { position: absolute; opacity: 0; }
.shop-box span { display: block; text-align: center; padding: .4rem 0; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-weight: 600; }
.shop-box input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.shop-box input:focus-visible + span { outline: 2px solid var(--accent); }

/* Tables */
.scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: start; }
.table th { font-size: .8rem; color: var(--muted); font-weight: 600; }
.table tfoot th { color: var(--text); border-top: 2px solid var(--border); }
.num { text-align: end !important; font-variant-numeric: tabular-nums; }
.end { text-align: end !important; }

/* The report sheet (screen and print) */
.sheet { width: 100%; border-collapse: collapse; font-size: .9rem; font-variant-numeric: tabular-nums; }
.sheet th, .sheet td { border: 1px solid var(--text); padding: .2rem .45rem; text-align: center; white-space: nowrap; }
.sheet th { font-weight: 700; line-height: 1.2; white-space: normal; }
.sheet td.tenant { text-align: start; white-space: normal; min-width: 120px; }
.sheet tr.unpaid td, .sheet tr.unpaid td a { color: var(--nil); }
.sheet tr.vacant td { height: 1.8rem; }
.nil { color: var(--nil); letter-spacing: .25em; }
.pending { color: var(--nil); }
.part { line-height: 1.25; }

.totals { margin-top: 1rem; font-weight: 700; }
.totals table { border-collapse: collapse; }
.totals-received { margin-inline-start: auto; }
.totals-received th, .totals-received td { padding: .2rem 1.5rem; text-align: center; }
.totals-blocks { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-top: 1rem; }
.totals-block th { text-align: start; padding: .3rem 1.5rem .3rem 0; }
.totals-block td { text-align: end; padding: .3rem 0; font-variant-numeric: tabular-nums; min-width: 90px; }
.totals-block tr.line th, .totals-block tr.line td { border-top: 1px solid var(--text); border-bottom: 1px solid var(--text); padding-top: .6rem; padding-bottom: .6rem; }

.report-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.report { background: #fff; color: #000; padding: 1.5rem; border: 1px solid var(--border); overflow-x: auto; --text: #000; --nil: #e0201b; }
.report-title { text-align: center; font-style: italic; font-weight: 900; font-size: 1.35rem; border: 1px solid #000; border-bottom: 0; margin: 0; padding: .5rem; }
.report-foot { font-size: .8rem; color: #555; margin-top: 1.5rem; }

/* Login */
.login-wrap { min-height: 80vh; display: grid; place-items: center; }
.login-card { width: 100%; max-width: 380px; }
.login-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

@media (max-width: 800px) {
    .payment-form { grid-template-columns: 1fr 1fr; }
    .payment-form .wide { grid-column: 1 / -1; }
    .topbar { gap: .5rem 1rem; }
}

@media print {
    @page { size: A4 landscape; margin: 10mm; }
    body { background: #fff; }
    .no-print, .topbar { display: none !important; }
    .page { max-width: none; padding: 0; }
    .report { border: 0; padding: 0; }
    .sheet { font-size: 11pt; }
    .sheet tr { break-inside: avoid; }
    .sheet thead { display: table-header-group; }
}

/* Search */
.topbar-search { flex: 1 1 220px; max-width: 320px; }
.topbar-search input { padding: .35rem .7rem; }
.search-filter { max-width: 320px; }
.search-filter.no-match { border-color: var(--bad); }
.page-filter { margin-bottom: 1rem; }
label > .search-filter { margin-bottom: .25rem; max-width: none; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: .75rem; }
.card-head h2 { margin: 0; }
[hidden] { display: none !important; }
@media print { .search-filter { display: none; } }