:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --brand: #059669;
  --brand-2: #4f46e5;
  --danger: #dc2626;
  --warn: #a16207;
  --ok: #047857;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, .14);
  --grad: linear-gradient(135deg, var(--brand), var(--brand-2));
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text); background: var(--bg); font-size: 14.5px; line-height: 1.5;
}
a { color: inherit; text-decoration: none; cursor: pointer; }

.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }

/* Sidebar */
.sidebar { background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px 12px; }
.logo { font-weight: 800; font-size: 1.5rem; padding: 6px 10px 16px; letter-spacing: -.5px; }
.logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
#menu { display: flex; flex-direction: column; gap: 2px; }
#menu a { padding: 9px 12px; border-radius: 9px; color: var(--muted); font-weight: 500; }
#menu a:hover { background: var(--panel-2); color: var(--text); }
#menu a.active { background: var(--grad); color: #fff; box-shadow: 0 2px 8px rgba(79, 70, 229, .28); }
.side-foot { margin-top: auto; padding: 12px 10px 4px; color: var(--muted); font-size: .78rem; }
.side-foot a { color: var(--muted); font-weight: 600; }
.side-foot a:hover { color: var(--danger); }

/* Topbar */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 14px; padding: 12px 22px;
  border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, .85);
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(8px); }
.icon-btn { display: none; background: none; border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 6px 10px; font-size: 1rem; cursor: pointer; }
.search-box { position: relative; flex: 1; max-width: 460px; }
.search-box input { width: 100%; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 9px; padding: 9px 12px; font: inherit; }
.search-results { position: absolute; top: 110%; left: 0; right: 0; background: var(--panel);
  border: 1px solid var(--border); border-radius: 9px; overflow: hidden; display: none;
  z-index: 30; box-shadow: var(--shadow-lg); }
.search-results.show { display: block; }
.search-results a { display: block; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.search-results a:hover { background: var(--panel-2); }
.biz-name { margin-left: auto; color: var(--muted); font-weight: 600; }

/* View */
.view { padding: 22px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.page-head h1 { font-size: 1.45rem; margin: 0; letter-spacing: -.4px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 9px;
  font-weight: 600; border: 1px solid transparent; cursor: pointer; font-size: .92rem; font-family: inherit; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 2px 8px rgba(79, 70, 229, .25); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-danger { background: var(--panel); border-color: #fca5a5; color: var(--danger); }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 5px 10px; font-size: .82rem; }

/* Cards & grid */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 22px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); }
.stat-card .label { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .6px; }
.card-link { cursor: pointer; transition: transform .12s, box-shadow .12s, border-color .12s; }
.card-link:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card-go { color: var(--brand); font-weight: 800; opacity: 0; transition: opacity .12s; }
.card-link:hover .card-go { opacity: 1; }
.stat-card .value { font-size: 1.7rem; font-weight: 800; margin-top: 6px; }
.stat-card .value.brand { color: var(--brand); }
.stat-card .value.warn { color: var(--warn); }
.stat-card .value.danger { color: var(--danger); }

/* Tables */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow-x: auto; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }
.table-wrap thead th { position: sticky; top: 0; background: var(--panel); z-index: 1; }
.table-wrap th { cursor: pointer; user-select: none; }
.table-wrap th:hover { color: var(--text); }
.table-wrap th.sort-asc::after { content: " ▲"; color: var(--brand); font-size: .7em; }
.table-wrap th.sort-desc::after { content: " ▼"; color: var(--brand); font-size: .7em; }

/* pagination bar under large tables */
.pager { display: flex; justify-content: space-between; align-items: center;
  margin: 10px 2px 0; font-size: .88rem; color: var(--muted); flex-wrap: wrap; gap: 8px; }
.pager-btns { display: flex; gap: 10px; align-items: center; }
.pager select { width: auto; padding: 4px 8px; margin-left: 8px; font-size: .84rem; }
tfoot td { border-top: 2px solid var(--border); border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 34px; text-align: center; color: var(--muted); }

/* Badges */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: .74rem; font-weight: 700; }
.badge.active { background: #d1fae5; color: #047857; }
.badge.closed { background: var(--panel-2); color: var(--muted); }
.badge.defaulted { background: #fee2e2; color: #b91c1c; }
.badge.penalty_due { background: #fef3c7; color: #a16207; }
.badge.meter { background: #e0e7ff; color: #4338ca; border: 1px solid #c7d2fe; }
.badge.emi { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }

/* Forms / modal */
#modal-root:empty { display: none; }
.overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: grid; place-items: center;
  z-index: 50; padding: 20px; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; width: 100%;
  max-width: 520px; max-height: 90vh; overflow-y: auto; padding: 22px; box-shadow: var(--shadow-lg); }
.modal h3 { margin: 0 0 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: grid; gap: 5px; font-size: .82rem; color: var(--muted); }
input, select, textarea { background: var(--panel); border: 1px solid #cbd5e1; color: var(--text);
  border-radius: 8px; padding: 9px 11px; font: inherit; font-size: .92rem; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, .15); }
.hint { color: var(--muted); font-size: .74rem; opacity: .85; }

/* toggle switch */
.switch { position: relative; width: 44px; height: 24px; border-radius: 999px;
  background: #cbd5e1; cursor: pointer; transition: background .15s; flex: none;
  margin-top: 2px; }
.switch .knob { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  background: #fff; border-radius: 50%; transition: left .15s;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .3); }
.switch.on { background: var(--grad); }
.switch.on .knob { left: 23px; }
.switch:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* searchable select */
.ss { position: relative; }
.ss-input { width: 100%; }
.ss-list { position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 5;
  background: var(--panel); border: 1px solid var(--border); border-radius: 9px;
  max-height: 240px; overflow-y: auto; display: none; box-shadow: var(--shadow-lg); }
.ss.open .ss-list { display: block; }
.ss-opt { padding: 9px 12px; cursor: pointer; font-size: .92rem; border-bottom: 1px solid var(--border); }
.ss-opt:last-child { border-bottom: none; }
.ss-opt:hover, .ss-opt.active { background: var(--brand); color: #fff; }
.ss-empty { padding: 10px 12px; color: var(--muted); font-size: .88rem; }
.form-section { margin: 10px 0 2px; padding-top: 14px; border-top: 1px solid var(--border);
  font-size: .95rem; color: var(--brand); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.form-err { color: var(--danger); font-size: .85rem; min-height: 1em; margin-top: 6px; }

/* Home */
.home-hero { background: linear-gradient(135deg, #ecfdf5, #eef2ff);
  border: 1px solid var(--border); border-radius: 16px; padding: 34px; margin-bottom: 22px; }
.home-hero h1 { margin: 0 0 8px; font-size: 1.9rem; }
.home-hero p { color: var(--muted); margin: 0; max-width: 60ch; }
.quick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 12px; }
.quick { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px;
  box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s; }
.quick:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.quick .q-ic { font-size: 1.5rem; }
.quick .q-t { font-weight: 700; margin-top: 6px; }
.quick .q-d { color: var(--muted); font-size: .84rem; }

.toast { position: fixed; bottom: 22px; right: 22px; background: var(--panel);
  border: 1px solid var(--border); border-left: 3px solid var(--brand); padding: 12px 16px;
  border-radius: 10px; z-index: 60; max-width: 320px; box-shadow: var(--shadow-lg); }
.toast.err { border-left-color: var(--danger); }

.muted { color: var(--muted); }
.row-actions { display: flex; gap: 6px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: end; }
.filters label { font-size: .78rem; }

/* Receipt (print) */
.receipt { background: #fff; color: #111; border-radius: 12px; max-width: 420px; padding: 26px;
  border: 1px solid var(--border); box-shadow: var(--shadow); }
.receipt h2 { margin: 0 0 2px; }
.receipt .r-row { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px dashed #ccc; }
.receipt .r-amt { font-size: 1.5rem; font-weight: 800; text-align: center; margin: 14px 0; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 232px; transform: translateX(-100%);
    transition: transform .2s; z-index: 40; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: none; }
  .icon-btn { display: block; }
  .form-grid { grid-template-columns: 1fr; }
}
@media print {
  .sidebar, .topbar { display: none; }
  body { background: #fff; }
  .app { display: block; }
  /* print every row, not just the visible page */
  .table-wrap tbody tr { display: table-row !important; }
  .pager { display: none !important; }
  .table-wrap { max-height: none !important; overflow: visible !important; }
}