:root {
  --desk: #eceee9;
  --panel: #ffffff;
  --ink: #16181d;
  --ink-2: #3a3e45;
  --muted: #6b7068;
  --faint: #9a9e97;
  --rule: #dfe2dc;
  --rule-2: #eceee9;
  --carbon: #2f3fa6;
  --carbon-2: #26358f;
  --carbon-soft: #e8eaf7;
  --late: #b3362a;
  --late-soft: #f7e5e2;
  --paid: #1e7a4e;
  --paid-soft: #e3f1e9;
  --warn: #8a5a00;
  --warn-soft: #fbf0d9;
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --body: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--desk); color: var(--ink); font: 15px/1.5 var(--body); font-feature-settings: "tnum" 1; }
h1, h2, h3, p { margin: 0; }
a { color: var(--carbon); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--carbon); outline-offset: 2px; }
[hidden] { display: none !important; }
.mono { font-family: var(--mono); font-size: 0.9em; letter-spacing: -0.01em; }
.num { font-family: var(--mono); font-size: 0.9em; text-align: right; white-space: nowrap; }
.muted { color: var(--muted); }
.late-text { color: var(--late); }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 224px minmax(0, 1fr); min-height: 100vh; }
.side {
  position: sticky; top: 0; height: 100vh; padding: 22px 14px; display: flex; flex-direction: column; gap: 2px;
  border-right: 1px solid var(--rule); background: #f5f6f3;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 22px; font: 600 19px/1 var(--display); letter-spacing: -0.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 22px; height: 26px; border-radius: 3px; background: #fff; border: 1.5px solid var(--ink); position: relative;
  box-shadow: 3px 3px 0 var(--carbon);
}
.brand-mark::after { content: ""; position: absolute; left: 3px; right: 3px; top: 5px; border-top: 1.5px dashed var(--ink); }
.nav {
  display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 7px; color: var(--ink-2); font-weight: 500;
}
.nav:hover { background: #e9ebe6; text-decoration: none; }
.nav.active { background: var(--ink); color: #fff; }
.nav-count { background: var(--late); color: #fff; font-size: 11px; font-weight: 600; min-width: 20px; height: 20px; border-radius: 99px; display: inline-grid; place-items: center; padding: 0 6px; }
.side-new { margin-top: auto; }
.main { padding: 36px 44px 96px; max-width: 1240px; width: 100%; outline: none; }

/* ---------- page head ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.page-title { font: 600 34px/1.05 var(--display); letter-spacing: -0.03em; }
.page-sub { color: var(--muted); margin-top: 6px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 8px; display: inline-block; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 7px; padding: 9px 14px;
  font-weight: 600; font-size: 14px; line-height: 1.2; cursor: pointer; border: 1px solid var(--rule); background: var(--panel); color: var(--ink);
  transition: background .12s, border-color .12s, transform .08s; white-space: nowrap;
}
.btn:hover { background: #f4f5f2; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--carbon); border-color: var(--carbon); color: #fff; }
.btn-primary:hover { background: var(--carbon-2); }
.btn-danger { color: var(--late); }
.btn-danger:hover { background: var(--late-soft); border-color: #eccbc6; }
.btn-quiet { border-color: transparent; background: none; color: var(--ink-2); }
.btn-quiet:hover { background: #e9ebe6; }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- cards ---------- */
.card { background: var(--panel); border: 1px solid var(--rule); border-radius: var(--radius); }
.card-pad { padding: 20px 22px; }
.card-title { font: 600 13px/1.3 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card-title a { text-transform: none; letter-spacing: 0; font-weight: 500; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stack { display: grid; gap: 20px; }

/* ---------- overview ledger ---------- */
.ledger {
  display: grid; grid-template-columns: repeat(4, 1fr); background: var(--panel); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 20px; position: relative;
}
.ledger::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--carbon); }
.ledger-cell { padding: 24px 22px 20px; border-left: 1px dashed var(--rule); }
.ledger-cell:first-child { border-left: 0; }
.ledger-label { font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ledger-value { font: 600 32px/1.1 var(--display); letter-spacing: -0.03em; margin: 10px 0 4px; }
.ledger-value.is-late { color: var(--late); }
.ledger-note { font-size: 13px; color: var(--muted); }

.bars { display: grid; grid-template-columns: repeat(12, 1fr); gap: 8px; align-items: end; height: 150px; padding-top: 10px; }
.bar { display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar-fill { width: 100%; max-width: 38px; background: var(--carbon); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bar-fill.is-empty { background: var(--rule); }
.bar-fill.is-now { background: var(--ink); }
.bar-label { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.bar[title] { cursor: default; }

.list { display: grid; }
.row-link {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 11px 0; border-top: 1px solid var(--rule-2); color: var(--ink);
}
.row-link:first-child { border-top: 0; padding-top: 2px; }
.row-link:hover { text-decoration: none; }
.row-link:hover .row-main strong { text-decoration: underline; }
.row-main { min-width: 0; }
.row-main strong { font-weight: 600; }
.row-sub { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-end { text-align: right; }
.empty { color: var(--muted); font-size: 14px; padding: 6px 0; }

.feed { display: grid; gap: 0; }
.feed-item { display: grid; grid-template-columns: 10px 1fr auto; gap: 12px; align-items: baseline; padding: 8px 0; font-size: 14px; border-top: 1px solid var(--rule-2); }
.feed-item:first-child { border-top: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); transform: translateY(-1px); }
.dot-paid { background: var(--paid); }
.dot-sent { background: var(--carbon); }
.dot-viewed { background: #7f89c9; }
.dot-late, .dot-reminded { background: #c97a2b; }
.feed-time { font-size: 12px; color: var(--muted); white-space: nowrap; }

.setup { border-color: #e8d9b2; background: #fffcf4; }
.setup ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.setup li { display: flex; gap: 10px; font-size: 14px; }
.check { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--faint); flex: none; margin-top: 1px; display: grid; place-items: center; font-size: 11px; }
.check.done { background: var(--paid); border-color: var(--paid); color: #fff; }

/* ---------- pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 99px; white-space: nowrap; background: #eceee9; color: var(--ink-2); }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-draft { background: #eceee9; color: var(--muted); }
.pill-sent { background: var(--carbon-soft); color: var(--carbon); }
.pill-partial { background: var(--warn-soft); color: var(--warn); }
.pill-overdue { background: var(--late-soft); color: var(--late); }
.pill-paid { background: var(--paid-soft); color: var(--paid); }
.pill-void { background: #eceee9; color: var(--faint); }
.pill-credit { background: #eceee9; color: var(--ink-2); }

/* ---------- tables ---------- */
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { padding: 7px 12px; border-radius: 7px; font-size: 14px; font-weight: 500; color: var(--ink-2); border: 1px solid transparent; background: none; cursor: pointer; }
.tab:hover { background: #e3e5e0; }
.tab.active { background: var(--panel); border-color: var(--rule); color: var(--ink); }
.tab .count { color: var(--muted); font-weight: 400; margin-left: 4px; font-size: 13px; }
.search { border: 1px solid var(--rule); border-radius: 7px; padding: 8px 12px; background: var(--panel); min-width: 240px; }

.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.table th { text-align: left; font-size: 12px; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); padding: 12px 16px; border-bottom: 1px solid var(--rule); background: #fafbf9; }
.table th.num { font-family: var(--body); font-size: 12px; }
.table td { padding: 13px 16px; border-bottom: 1px solid var(--rule-2); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { cursor: pointer; }
.table tbody tr:hover td { background: #f8f9f6; }
.table .num-col { font-family: var(--mono); font-size: 14px; }
.table .sub { font-size: 13px; color: var(--muted); }

/* ---------- forms ---------- */
.field { display: grid; gap: 6px; align-content: start; }
.field > span { font-size: 13px; font-weight: 500; color: var(--ink-2); }
.field .hint { font-size: 12.5px; color: var(--muted); font-weight: 400; }
.input, .select, .textarea {
  width: 100%; border: 1px solid #cfd3cc; border-radius: 7px; padding: 9px 11px; background: #fff; transition: border-color .12s, box-shadow .12s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--carbon); box-shadow: 0 0 0 3px rgba(47, 63, 166, .14); }
.textarea { resize: vertical; min-height: 84px; line-height: 1.5; }
.input.money { font-family: var(--mono); text-align: right; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-section { padding: 22px; border-top: 1px solid var(--rule-2); }
.form-section:first-child { border-top: 0; }
.form-section h2 { font: 600 17px/1.2 var(--display); letter-spacing: -0.01em; margin-bottom: 4px; }
.form-section > p.muted { font-size: 14px; margin-bottom: 16px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-size: 12.5px; padding: 4px 10px; border-radius: 99px; border: 1px solid var(--rule); background: #fff; cursor: pointer; }
.chip:hover { border-color: var(--carbon); color: var(--carbon); }
.toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 500; }
.toggle input { width: 18px; height: 18px; accent-color: var(--carbon); }

.lines { display: grid; gap: 8px; }
.line { display: grid; grid-template-columns: minmax(0, 1fr) 80px 140px 130px 36px; gap: 8px; align-items: start; }
.line-head { font-size: 12px; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.line-head span:nth-child(n+2) { text-align: right; }
.line .amount { padding: 9px 4px; text-align: right; font-family: var(--mono); font-size: 14px; }
.line .textarea { min-height: 40px; height: 40px; }
.icon-btn { width: 36px; height: 38px; border: 0; background: none; border-radius: 7px; cursor: pointer; color: var(--faint); font-size: 18px; }
.icon-btn:hover { background: var(--late-soft); color: var(--late); }
.sched-line { display: grid; grid-template-columns: minmax(0, 1fr) 170px 140px 36px; gap: 8px; }

.form-foot {
  position: sticky; bottom: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-top: 1px solid var(--rule); padding: 14px 22px; border-radius: 0 0 var(--radius) var(--radius);
}
.foot-total { font: 600 24px/1 var(--display); letter-spacing: -0.02em; }
.foot-total small { font: 500 12px/1 var(--body); letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-right: 10px; }
.error-box { background: var(--late-soft); color: var(--late); border-radius: 7px; padding: 10px 12px; font-size: 14px; }

/* ---------- invoice detail ---------- */
.detail { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 24px; align-items: start; }
.rail { display: grid; gap: 16px; position: sticky; top: 24px; }
.due-card { padding: 22px; position: relative; overflow: hidden; }
.due-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--carbon); }
.due-card.is-late::before { background: var(--late); }
.due-card.is-paid::before { background: var(--paid); }
.due-amount { font: 600 38px/1.05 var(--display); letter-spacing: -0.03em; margin: 8px 0 4px; }
.due-card.is-late .due-amount { color: var(--late); }
.due-card.is-paid .due-amount { color: var(--paid); }
.due-meta { font-size: 14px; color: var(--ink-2); }
.due-actions { display: grid; gap: 8px; margin-top: 18px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; }
.more { display: grid; gap: 2px; }
.more .btn { justify-content: flex-start; }
.frame-wrap { background: #e7e9e4; border-radius: var(--radius); border: 1px solid var(--rule); overflow: hidden; }
.frame-wrap iframe { width: 100%; height: 1180px; border: 0; display: block; }
.pay-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--rule-2); font-size: 14px; }
.pay-row:first-child { border-top: 0; }
.link-box { display: flex; gap: 6px; }
.link-box .input { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }

/* ---------- modal ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(22, 24, 29, .38); display: grid; place-items: center; padding: 20px; z-index: 50; animation: fade .15s ease both; }
.modal { background: var(--panel); border-radius: 12px; width: min(560px, 100%); max-height: calc(100vh - 40px); overflow: auto; box-shadow: 0 30px 80px -20px rgba(0,0,0,.35); animation: rise .18s ease both; }
.modal.wide { width: min(860px, 100%); }
.modal-head { padding: 20px 22px 0; display: flex; justify-content: space-between; align-items: start; gap: 12px; }
.modal-head h2 { font: 600 22px/1.2 var(--display); letter-spacing: -0.02em; }
.modal-body { padding: 18px 22px; display: grid; gap: 14px; }
.modal-foot { padding: 14px 22px 20px; display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; border-top: 1px solid var(--rule-2); }
.modal-foot .spacer { margin-right: auto; }
.email-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.email-preview { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; background: #eef0ec; }
.email-preview iframe { width: 100%; height: 420px; border: 0; display: block; }
.note { font-size: 13px; color: var(--muted); }
.note-warn { background: var(--warn-soft); color: var(--warn); padding: 9px 12px; border-radius: 7px; font-size: 13px; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { transform: translateY(8px); opacity: 0; } }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 8px;
  font-size: 14px; font-weight: 500; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 60;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.shell.is-login { grid-template-columns: 1fr; }
.login { min-height: 80vh; display: grid; place-items: center; }
.login .card { width: min(380px, 100%); }

.loading { color: var(--muted); padding: 40px 0; }

@media (max-width: 1100px) {
  .detail { grid-template-columns: 1fr; }
  .rail { position: static; }
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .ledger-cell:nth-child(3) { border-left: 0; }
  .ledger-cell:nth-child(n+3) { border-top: 1px dashed var(--rule); }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .side {
    position: sticky; top: 0; z-index: 20; height: auto; flex-direction: row; align-items: center; overflow-x: auto; padding: 10px 12px; gap: 4px;
    border-right: 0; border-bottom: 1px solid var(--rule);
  }
  .brand { padding: 4px 8px 4px 2px; }
  .brand span:last-child { display: none; }
  .nav { padding: 7px 10px; white-space: nowrap; }
  .side-new { margin: 0 0 0 auto; padding: 7px 12px; }
  .main { padding: 22px 16px 80px; }
  .page-title { font-size: 28px; }
  .grid-2, .form-grid, .email-cols { grid-template-columns: 1fr; }
  .ledger-value { font-size: 26px; }
  .line { grid-template-columns: 1fr 1fr 36px; }
  .line > :first-child { grid-column: 1 / -1; }
  .line .amount { display: none; }
  .line-head { display: none; }
  .sched-line { grid-template-columns: 1fr 1fr; }
  .sched-line > :first-child { grid-column: 1 / -1; }
  .table .hide-sm { display: none; }
  .search { min-width: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}