:root {
  --ink: #1c2b33;
  --ink-soft: #45565f;
  --paper: #eff2f1;
  --card: #ffffff;
  --line: #dce2e0;
  --accent: #2f6b5a;      /* fir green: primary actions */
  --accent-soft: #e3eeea;
  --amber: #c98a2d;       /* due soon */
  --amber-soft: #f7edd9;
  --red: #b23a2e;         /* overdue */
  --red-soft: #f6e3e0;
  --ok: #3e7c4f;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Public Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--body); background: var(--paper); color: var(--ink); font-size: 15px; line-height: 1.5; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0 0 .5rem; }
h1 { font-size: 1.7rem; font-weight: 700; }
h2 { font-size: 1.2rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }
a { color: var(--accent); }
button { font-family: var(--body); cursor: pointer; }
input, select, textarea {
  font-family: var(--body); font-size: 14px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); width: 100%;
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .navlink:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 3px; }
.field { margin-bottom: 10px; }

/* layout */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--ink); color: #dfe8e5; padding: 20px 14px; display: flex; flex-direction: column; gap: 4px;
  position: sticky; top: 0; height: 100vh;
}
.brand { font-family: var(--display); font-weight: 700; font-size: 1.25rem; color: #fff; margin: 2px 8px 18px; letter-spacing: -.01em; }
.brand small { display: block; font-family: var(--body); font-weight: 400; font-size: 11px; color: #9fb3ac; letter-spacing: .04em; text-transform: uppercase; }
.navlink {
  display: flex; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px;
  color: #cfdad6; text-decoration: none; font-weight: 500; font-size: 14px; border: 0; background: none; text-align: left;
}
.navlink:hover { background: rgba(255,255,255,.08); color: #fff; }
.navlink.active { background: var(--accent); color: #fff; }
.sidebar .spacer { flex: 1; }
.whoami { font-size: 12.5px; color: #9fb3ac; padding: 8px 10px; border-top: 1px solid rgba(255,255,255,.12); }
.whoami b { color: #fff; display: block; }
.main { padding: 26px 30px 60px; max-width: 1080px; width: 100%; min-width: 0; }
.pagehead { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.pagehead p { margin: 0; color: var(--ink-soft); font-size: 13.5px; }

/* cards & grids */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stack > * + * { margin-top: 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* signature: due ribbon — ticket stubs */
.ribbon { display: flex; gap: 12px; overflow-x: auto; padding: 4px 2px 10px; scrollbar-width: thin; }
.stub {
  min-width: 168px; background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px 10px 16px; position: relative; flex-shrink: 0;
}
.stub::before {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px;
  border-left: 2px dashed var(--line);
}
.stub .days { font-family: var(--mono); font-size: 20px; font-weight: 500; }
.stub .what { font-weight: 600; font-size: 13.5px; margin-top: 2px; }
.stub .who { font-size: 12px; color: var(--ink-soft); }
.stub.warn { border-color: var(--amber); background: var(--amber-soft); }
.stub.warn::before { border-color: var(--amber); }
.stub.late { border-color: var(--red); background: var(--red-soft); }
.stub.late::before { border-color: var(--red); }
.stub.late .days { color: var(--red); }
.stub.warn .days { color: var(--amber); }

/* numbers */
.amount, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kpi .card { padding: 14px 18px; }
.kpi .label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); font-weight: 600; }
.kpi .value { font-family: var(--mono); font-size: 24px; margin-top: 4px; }
.kpi .value.neg { color: var(--red); }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.right, th.right { text-align: right; }

/* buttons & badges */
.btn {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 9px 14px;
  font-weight: 600; font-size: 14px;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn.danger { background: transparent; color: var(--red); border: 1px solid var(--red-soft); }
.btn.danger:hover { background: var(--red-soft); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.unpaid { background: var(--amber-soft); color: var(--amber); }
.badge.paid { background: var(--accent-soft); color: var(--accent); }
.badge.late { background: var(--red-soft); color: var(--red); }
.badge.role { background: var(--accent-soft); color: var(--accent); text-transform: capitalize; }

/* budget bars */
.bar { height: 8px; background: var(--paper); border-radius: 999px; overflow: hidden; margin-top: 5px; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.bar i.over { background: var(--red); }

/* auth screen */
.authwrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.authcard { width: 100%; max-width: 400px; }
.authcard .brandmark { font-family: var(--display); font-weight: 700; font-size: 1.9rem; letter-spacing: -.02em; }
.authcard .brandmark span { color: var(--accent); }
.tabs { display: flex; gap: 6px; margin: 14px 0; }
.tabs button { flex: 1; padding: 8px; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-weight: 600; color: var(--ink-soft); }
.tabs button.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* misc */
.muted { color: var(--ink-soft); font-size: 13px; }
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 14px; z-index: 50;
}
.empty { text-align: center; color: var(--ink-soft); padding: 26px 10px; }
.empty b { display: block; font-family: var(--display); font-size: 1.05rem; color: var(--ink); }
details.entity { border: 1px solid var(--line); border-radius: 12px; background: #fff; margin-bottom: 12px; }
details.entity > summary { list-style: none; cursor: pointer; padding: 14px 18px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; }
details.entity > summary::-webkit-details-marker { display: none; }
details.entity[open] > summary { border-bottom: 1px solid var(--line); }
details.entity .body { padding: 14px 18px; }
.deadgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.dead { border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font-size: 12.5px; }
.dead .d { font-family: var(--mono); font-size: 13px; }
.dead.warn { border-color: var(--amber); background: var(--amber-soft); }
.dead.late { border-color: var(--red); background: var(--red-soft); }
.formgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; align-items: end; }
canvas { max-width: 100%; }
.chartbox { position: relative; height: 240px; }

/* notifications */
.notifbadge {
  background: var(--amber); color: #fff; font-size: 11px; font-weight: 700;
  border-radius: 999px; padding: 1px 7px; margin-left: auto; font-family: var(--mono);
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 999px; background: var(--amber); }

/* mobile */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky; top: 0; z-index: 40; height: auto;
    flex-direction: row; align-items: center; gap: 2px;
    overflow-x: auto; padding: 8px 10px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .sidebar::-webkit-scrollbar { display: none; }
  .brand { margin: 0 8px 0 2px; font-size: 1.02rem; flex-shrink: 0; }
  .brand small { display: none; }
  .navlink { padding: 10px 12px; white-space: nowrap; min-height: 42px; font-size: 14px; flex-shrink: 0; }
  .whoami, .sidebar .spacer { display: none; }
  .main { padding: 16px 12px 70px; }
  .grid2, .grid3, .kpi { grid-template-columns: 1fr; }
  .pagehead { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 14px; }
  h1 { font-size: 1.45rem; }

  /* inputs: 16px stops iOS zooming in on focus; taller = easier to tap */
  input, select, textarea { font-size: 16px; padding: 10px 12px; }
  .btn { min-height: 42px; }
  .btn.small { min-height: 36px; padding: 7px 12px; }

  /* forms stack into one clean column */
  .formgrid { grid-template-columns: 1fr; gap: 8px; }
  .formgrid .btn { width: 100%; margin-top: 2px; }

  /* wide tables scroll sideways inside their card instead of breaking the page */
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: 13.5px; }
  th, td { padding: 8px 8px; }
  td .btn.small { white-space: nowrap; }

  /* tab rows (Expenses/Income/Budgets/Credits, auth screen) wrap instead of cramming */
  .tabs { flex-wrap: wrap; }
  .tabs button { flex: 1 1 40%; min-height: 40px; }

  .card { padding: 14px; border-radius: 10px; }
  details.entity > summary { padding: 12px 14px; }
  details.entity .body { padding: 12px 14px; }
  .chartbox { height: 200px; }
  .deadgrid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .toast { width: calc(100% - 32px); text-align: center; bottom: 14px; }
}
@media (max-width: 480px) {
  .formgrid { grid-template-columns: 1fr; }
  .kpi .value { font-size: 21px; }
  .stub { min-width: 148px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}