:root {
  --ink: #18212f;
  --ink-2: #4a5568;
  --ink-3: #7b8597;
  --line: #e3e7ee;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --brand: #0b6e4f;
  --brand-2: #0f8a63;
  --brand-soft: #e6f3ee;
  --nav: #0f1b2a;
  --nav-ink: #c5cfdc;
  --warn: #9a5b00;
  --warn-soft: #fff4e0;
  --err: #b42318;
  --err-soft: #fdecea;
  --ok-soft: #e7f6ee;
  --radius: 10px;
  --mono: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; }
p { margin: 0 0 12px; }
.muted { color: var(--ink-3); }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.right { text-align: right; }

/* shell */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.nav { background: var(--nav); color: var(--nav-ink); padding: 18px 12px; display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.nav .logo { color: #fff; font-weight: 700; font-size: 18px; padding: 4px 10px 14px; }
.nav .logo span { color: #6ee7b7; font-weight: 500; }
.nav a { color: var(--nav-ink); padding: 7px 10px; border-radius: 7px; display: block; }
.nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.nav a.active { background: rgba(110,231,183,.14); color: #fff; }
.nav-group { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #7d8aa0; padding: 16px 10px 6px; }
.nav-foot { margin-top: auto; border-top: 1px solid rgba(255,255,255,.08); padding-top: 12px; display: flex; flex-direction: column; gap: 2px; }
.nav-foot .who { color: #fff; padding: 4px 10px 8px; }
.nav-foot .who small { display: block; color: #7d8aa0; }
.linkish { background: none; border: 0; color: var(--nav-ink); padding: 7px 10px; cursor: pointer; font: inherit; text-align: left; width: 100%; border-radius: 7px; }
.linkish:hover { background: rgba(255,255,255,.06); color: #fff; }
.content { padding: 24px 28px 48px; min-width: 0; }
.bare { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 2px 0 0; color: var(--ink-3); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* panels & grids */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.panel.tight { padding: 0; overflow: hidden; }
.panel.tight > h2 { padding: 14px 18px 0; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { color: var(--ink-3); font-size: 12px; }
.kpi .value { font-size: 22px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--ink-3); font-size: 12px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--ink-3); font-weight: 600; background: #fafbfc; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; }
.table-wrap { overflow-x: auto; }
.empty { padding: 28px; text-align: center; color: var(--ink-3); }

/* bars (simple inline charts) */
.bar { height: 8px; background: var(--brand-soft); border-radius: 4px; overflow: hidden; min-width: 60px; }
.bar > span { display: block; height: 100%; background: var(--brand); }
.months { display: flex; align-items: flex-end; gap: 6px; height: 160px; padding: 8px 0 0; }
.months .m { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; min-width: 0; }
.months .col { width: 100%; max-width: 38px; background: var(--brand); border-radius: 4px 4px 0 0; min-height: 2px; }
.months .lbl { font-size: 11px; color: var(--ink-3); white-space: nowrap; }

/* forms */
form.stack { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-weight: 600; font-size: 13px; }
.field .hint { color: var(--ink-3); font-size: 12px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], input[type=color], select, textarea {
  font: inherit; color: var(--ink); background: #fff; border: 1px solid #cfd6e1; border-radius: 8px; padding: 8px 10px; width: 100%;
}
input[type=color] { padding: 2px; height: 38px; }
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(11,110,79,.25); border-color: var(--brand); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: 16px; height: 16px; }
.validation-summary-errors, .field-validation-error { color: var(--err); }
.validation-summary-errors ul { margin: 0 0 8px; padding-left: 18px; }
.inline { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.inline .field { min-width: 140px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; font: inherit; font-weight: 600; border-radius: 8px; padding: 8px 14px; border: 1px solid var(--brand); background: var(--brand); color: #fff; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--brand-2); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--ink); border-color: #cfd6e1; }
.btn.secondary:hover { background: #f3f5f8; }
.btn.danger { background: #fff; color: var(--err); border-color: #f1b5ae; }
.btn.danger:hover { background: var(--err-soft); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.light { background: #fff; color: var(--warn); border-color: #f0c98a; }

/* status pills & alerts */
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eef1f5; color: var(--ink-2); }
.pill.green { background: var(--ok-soft); color: #0b6e4f; }
.pill.amber { background: var(--warn-soft); color: var(--warn); }
.pill.red { background: var(--err-soft); color: var(--err); }
.pill.blue { background: #e8f0fe; color: #1d4ed8; }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; }
.alert.ok { background: var(--ok-soft); border-color: #b7e4cb; color: #0b5a40; }
.alert.err { background: var(--err-soft); border-color: #f5c2bc; color: var(--err); }
.alert.warn { background: var(--warn-soft); border-color: #f0d7a8; color: var(--warn); }
.switch-banner { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--warn-soft); border: 1px solid #f0d7a8; color: var(--warn); padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.secret { font-family: var(--mono); font-size: 15px; background: #0f1b2a; color: #6ee7b7; padding: 12px 14px; border-radius: 8px; word-break: break-all; }

/* sign-in card */
.auth { width: 100%; max-width: 400px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: 0 10px 30px rgba(15,27,42,.06); }
.auth .logo { font-weight: 700; font-size: 20px; margin-bottom: 4px; }
.auth .logo span { color: var(--brand); font-weight: 500; }

.dl { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; }
.dl dt { color: var(--ink-3); }
.dl dd { margin: 0; }
.balance-big { font-size: 34px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs a { padding: 8px 12px; color: var(--ink-2); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--brand); border-color: var(--brand); }

@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .nav { position: static; height: auto; flex-direction: row; flex-wrap: wrap; }
  .nav-group, .nav-foot .who { display: none; }
  .nav-foot { margin: 0; border: 0; padding: 0; flex-direction: row; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .content { padding: 18px 16px 40px; }
}