:root {
    --bg: #f4f2ee;
    --surface: #ffffff;
    --ink: #1d1f23;
    --muted: #6b6f76;
    --line: #e4e1da;
    --brand: #1f4e46;
    --brand-soft: #e3eeeb;
    --green: #1d7a4f;
    --green-soft: #e2f3ea;
    --red: #b3372f;
    --red-soft: #fbe7e5;
    --amber: #9a6a00;
    --amber-soft: #fbf1d9;
    --radius: 10px;
}
* { box-sizing: border-box; }
body {
    margin: 0; background: var(--bg); color: var(--ink);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.green { color: var(--green); }
.red { color: var(--red); }

/* Top bar */
.topbar { background: var(--brand); color: #fff; }
.topbar .inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; gap: 24px; height: 58px; }
.brand { font-weight: 700; color: #fff; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: #cfe2dd; padding: 6px 12px; border-radius: 6px; }
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,.12); text-decoration: none; }
.topbar form button { background: none; border: 1px solid rgba(255,255,255,.35); color: #fff; padding: 5px 12px; border-radius: 6px; cursor: pointer; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Cards & grid */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.card.flush { padding: 0; overflow-x: auto; }
.card.flush > h2 { padding: 18px 20px 0; }
.compact th, .compact td { padding: 10px 12px; }
.compact th:first-child, .compact td:first-child { padding-left: 20px; }
.compact th:last-child, .compact td:last-child { padding-right: 16px; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 800px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } .nav a { padding: 6px 8px; } }

.stat { padding: 18px 20px; }
.stat .label { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.7rem; font-weight: 700; margin-top: 4px; }
.stat.in { border-left: 4px solid var(--green); }
.stat.out { border-left: 4px solid var(--red); }
.stat.net { border-left: 4px solid var(--brand); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 20px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: #faf9f6; }
tr:last-child td { border-bottom: 0; }
td.right, th.right { text-align: right; }
tbody tr:hover { background: #fbfaf8; }
.empty { padding: 28px 20px; text-align: center; color: var(--muted); }

/* Badges */
.badge { display: inline-block; white-space: nowrap; padding: 2px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.badge.in, .badge.paid { background: var(--green-soft); color: var(--green); }
.badge.out, .badge.overdue { background: var(--red-soft); color: var(--red); }
.badge.partial { background: var(--amber-soft); color: var(--amber); }
.badge.upcoming { background: #eef0f3; color: #4b5260; }
.badge.settled { background: var(--brand-soft); color: var(--brand); }

/* Progress */
.progress { height: 7px; background: #ece9e2; border-radius: 99px; overflow: hidden; min-width: 90px; }
.progress span { display: block; height: 100%; background: var(--brand); }

/* Buttons & forms */
.btn { display: inline-flex; white-space: nowrap; align-items: center; gap: 6px; padding: 8px 15px; border-radius: 7px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { text-decoration: none; border-color: #cfcabe; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #183f39; }
.btn.danger { color: var(--red); }
.btn.sm { padding: 4px 10px; font-size: .82rem; }
.btn.link { border: 0; background: none; padding: 0; color: var(--red); font-weight: 500; }
form.inline { display: inline; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 5px; }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid #d6d2c8; border-radius: 7px; font: inherit; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
.hint { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.error { color: var(--red); font-size: .82rem; margin-top: 4px; }
.form-footer { display: flex; gap: 10px; margin-top: 22px; }

.toggle { display: flex; gap: 0; border: 1px solid #d6d2c8; border-radius: 8px; overflow: hidden; }
.toggle label { flex: 1; margin: 0; padding: 10px; text-align: center; cursor: pointer; font-weight: 600; background: #fff; }
.toggle input { display: none; }
.toggle input:checked + span { color: #fff; }
.toggle label:has(input:checked).in { background: var(--green); color: #fff; }
.toggle label:has(input:checked).out { background: var(--red); color: #fff; }

.preview { background: #faf9f6; border: 1px dashed #d6d2c8; border-radius: 8px; padding: 14px 16px; }
.preview table td, .preview table th { padding: 6px 8px; background: none; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; background: var(--green-soft); color: var(--green); border: 1px solid #bfe3cf; }
.flash.err { background: var(--red-soft); color: var(--red); border-color: #f1c7c3; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filters a { padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: .88rem; }
.filters a.active { background: var(--brand); border-color: var(--brand); color: #fff; }
.filters a:hover { text-decoration: none; }

dl.meta { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { margin-bottom: 4px; }