/* ============ Hisaab — digital bahi-khata ============
   Palette: paper #F4F2EC · ink #21261F · khata red #9E1B1B
            credit green #2E6B4F · rule #DDD8CB · muted #7A776C
   Type:    Bitter (display) · Inter (body) · JetBrains Mono (amounts)
====================================================== */
:root {
  --paper: #f4f2ec;
  --paper-raise: #fbfaf6;
  --ink: #21261f;
  --red: #9e1b1b;
  --red-deep: #7c1414;
  --green: #2e6b4f;
  --rule: #ddd8cb;
  --muted: #7a776c;
  --shadow: 0 1px 2px rgba(33, 38, 31, 0.07), 0 6px 18px rgba(33, 38, 31, 0.06);
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --display: "Bitter", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

/* red cloth spine — the book cover peeking out */
.spine {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  background: linear-gradient(90deg, var(--red-deep), var(--red) 60%, #b83030);
  z-index: 50;
}
@media (max-width: 640px) { .spine { width: 6px; } }

.hidden { display: none !important; }

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------------- auth ---------------- */
.auth-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card {
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  border-radius: 10px;
  padding: 0 32px 32px;
  width: 100%; max-width: 400px;
  overflow: hidden;
  text-align: center;
}
.auth-cloth {
  height: 14px;
  margin: 0 -32px 26px;
  background: repeating-linear-gradient(90deg, var(--red) 0 14px, var(--red-deep) 14px 16px);
}
.auth-card .wordmark { font-size: 40px; }
.auth-sub { color: var(--muted); margin: 6px 0 24px; }
.auth-error { color: var(--red); font-size: 13px; margin: 10px 0 0; }

/* ---------------- masthead + tabs ---------------- */
.masthead {
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
  padding: 22px 32px 0 42px;
  position: sticky; top: 0; z-index: 40;
}
.masthead-inner { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; max-width: 1060px; margin: 0 auto; }
.masthead .wordmark { font-size: 28px; }
.masthead-note {
  color: var(--muted); font-size: 13px;
  border-left: 1px solid var(--rule); padding-left: 12px;
}
.masthead-actions { margin-left: auto; display: flex; gap: 8px; }

.tabs { max-width: 1060px; margin: 14px auto 0; display: flex; gap: 6px; }
.tab {
  font-family: var(--display);
  font-weight: 700; font-size: 15px;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 9px 20px;
  cursor: pointer;
}
.tab.active {
  background: var(--paper-raise);
  color: var(--ink);
  border-color: var(--ink);
  position: relative; top: 2px;
  box-shadow: inset 0 3px 0 var(--red);
}

/* ---------------- layout ---------------- */
.tab-panel { max-width: 1060px; margin: 0 auto; padding: 26px 32px 80px 42px; }
.toolbar { margin-bottom: 22px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table.ledger { min-width: 560px; }
.inline-form.wrap { flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 160px; }
.empty { color: var(--muted); border: 1px dashed var(--rule); border-radius: 8px; padding: 26px; text-align: center; }

/* ---------------- controls ---------------- */
input, select {
  font: inherit; color: var(--ink);
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 9px 12px;
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 1px;
}
.field { text-align: left; margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 5px; }
.field input { width: 100%; }

.btn {
  font: inherit; font-weight: 600;
  border-radius: 6px;
  padding: 9px 16px;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-deep); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--rule); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }
.btn-block { width: 100%; margin-top: 6px; }
.btn-small { padding: 4px 10px; font-size: 12.5px; }
.btn-danger-ghost { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 13px; }
.btn-danger-ghost:hover { color: var(--red); }

/* ---------------- ledger cards ---------------- */
.ledger-card {
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin-bottom: 26px;
  overflow: hidden;
}
.ledger-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 2px solid var(--ink);
}
.ledger-head h2 {
  font-family: var(--display); font-size: 20px; font-weight: 700; margin: 0;
}
.ledger-head .spacer { flex: 1; }
.ledger-body { padding: 6px 20px 18px; }

/* ledger table — the signature */
table.ledger { width: 100%; border-collapse: collapse; }
table.ledger th {
  text-align: left; font-size: 11.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--muted);
  padding: 10px 8px 6px;
  border-bottom: 1px solid var(--ink);
}
table.ledger td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}
td.amt, th.amt { text-align: right; }
.amt { font-family: var(--mono); font-weight: 500; font-variant-numeric: tabular-nums; white-space: nowrap; }
.amt.in { color: var(--green); }
.amt.out { color: var(--red); }

.typechip {
  display: inline-block;
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 2px 9px;
  color: var(--muted);
  background: var(--paper);
}
.typechip.earning       { color: var(--green); border-color: var(--green); }
.typechip.expense       { color: var(--red);   border-color: var(--red); }
.typechip.saving        { color: #1f4d7a;      border-color: #1f4d7a; }
.typechip.loan_borrowed { color: #6b4f2e;      border-color: #6b4f2e; }
.typechip.loan_lent     { color: #6b2e5f;      border-color: #6b2e5f; }
.freq { font-size: 12px; color: var(--muted); }

/* summary strip */
.summary-strip {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 2px solid var(--ink);
  margin-top: -1px;
  background: var(--paper);
}
.sum-cell {
  flex: 1; min-width: 130px;
  padding: 12px 16px;
  border-right: 1px solid var(--rule);
}
.sum-cell:last-child { border-right: none; }
.sum-cell .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.sum-cell .val { font-family: var(--mono); font-weight: 700; font-size: 17px; margin-top: 2px; }
.val.in { color: var(--green); } .val.out { color: var(--red); }

/* add-item row */
.add-row { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 0 4px; }
.add-row input, .add-row select { padding: 7px 10px; font-size: 14px; }
.add-row input[type="text"] { flex: 2; min-width: 140px; }
.add-row input[type="number"] { width: 120px; }

/* ---------------- people ---------------- */
.grand-totals { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
.gt-card {
  flex: 1; min-width: 180px;
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink);
  border-radius: 8px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.gt-card .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.gt-card .val { font-family: var(--mono); font-weight: 700; font-size: 22px; margin-top: 3px; }
.gt-card.red { border-top-color: var(--red); }
.gt-card.green { border-top-color: var(--green); }

.person-main { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--rule); }
.pm-cell { flex: 1; min-width: 140px; padding: 14px 18px; border-right: 1px solid var(--rule); }
.pm-cell:last-child { border-right: none; }
.pm-cell .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.pm-cell .val { font-family: var(--mono); font-weight: 700; font-size: 19px; margin-top: 2px; }

.person-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
@media (max-width: 760px) { .person-sub { grid-template-columns: 1fr; } }
.sub-col { padding: 14px 20px 18px; }
.sub-col + .sub-col { border-left: 1px solid var(--rule); }
.sub-col h4 {
  font-family: var(--display); font-size: 14px; margin: 0 0 8px;
  border-bottom: 1px solid var(--ink); padding-bottom: 5px;
}
.mini-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px dotted var(--rule); font-size: 13.5px; }
.mini-row .grow { flex: 1; }
.mini-row .date { color: var(--muted); font-size: 12px; }
.mini-form { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.mini-form input { padding: 6px 9px; font-size: 13.5px; flex: 1; min-width: 90px; }
.progress {
  height: 6px; border-radius: 999px; background: var(--rule);
  margin: 10px 18px 14px; overflow: hidden;
}
.progress > div { height: 100%; background: var(--green); }

/* dialog */
dialog {
  border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: var(--shadow); background: var(--paper-raise);
  padding: 24px; width: 340px; max-width: 90vw;
}
dialog::backdrop { background: rgba(33,38,31,0.45); }
dialog h3 { font-family: var(--display); margin: 0 0 16px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }

@media (prefers-reduced-motion: no-preference) {
  .ledger-card { transition: box-shadow 0.15s ease; }
}
@media (max-width: 640px) {
  .masthead { padding: 14px 14px 0 22px; }
  .tab-panel { padding: 20px 14px 60px 22px; }
  .masthead-note { display: none; }
  .masthead .wordmark { font-size: 24px; }
  .masthead-actions .btn { padding: 6px 10px; font-size: 13px; }
  .tab { padding: 8px 14px; font-size: 14px; }
  .ledger-head { flex-wrap: wrap; padding: 14px 16px; }
  .ledger-body { padding: 6px 14px 16px; }
  .pm-cell { min-width: 46%; border-bottom: 1px solid var(--rule); }
  .pm-cell:nth-child(2n) { border-right: none; }
  .sum-cell { min-width: 46%; border-bottom: 1px solid var(--rule); }
  .sub-col + .sub-col { border-left: none; border-top: 1px solid var(--rule); }
}