@import url('https://fonts.googleapis.com/css2?family=Tiro+Bangla:ital@0;1&family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --paper: #f6efdd;
  --paper-dark: #efe4c8;
  --ink: #23324f;
  --ink-soft: #5a5240;
  --rule-red: #a63d40;
  --credit: #2f6b4f;
  --debit: #a63d40;
  --gold: #b8860b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Hind Siliguri', 'Inter', sans-serif;
  background: var(--paper);
  background-image: linear-gradient(var(--paper-dark) 1px, transparent 1px);
  background-size: 100% 34px;
  color: var(--ink);
  min-height: 100vh;
}
.khata-margin {
  position: fixed;
  top: 0; bottom: 0; left: 46px;
  width: 2px;
  background: var(--rule-red);
  opacity: 0.55;
  z-index: 0;
}
.khata-inner { position: relative; padding: 28px 28px 60px 68px; max-width: 900px; margin: 0 auto; z-index: 1; }

.khata-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 22px; padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  flex-wrap: wrap; gap: 10px;
}
.khata-title { font-family: 'Tiro Bangla', serif; font-size: 30px; font-weight: 700; }
.khata-sub { font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.khata-date { font-family: 'Inter', sans-serif; font-size: 13px; color: var(--ink-soft); text-align: right; }
.logout-link { font-size: 12px; color: var(--ink-soft); text-decoration: underline; }

.tabs { display: flex; gap: 6px; margin-bottom: 20px; }
.tab-btn {
  font-family: 'Hind Siliguri', sans-serif; font-weight: 600; font-size: 14px;
  padding: 7px 16px; border-radius: 3px; border: 1.5px solid var(--ink);
  background: transparent; color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block;
}
.tab-btn.active { background: var(--ink); color: var(--paper); }

.stamp-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 26px; }
@media (max-width: 640px) { .stamp-row { grid-template-columns: repeat(2, 1fr); } }
.stamp {
  border: 2px dashed; border-radius: 10px; padding: 14px 12px; text-align: center;
  transform: rotate(-1deg); background: rgba(255,255,255,0.25);
}
.stamp:nth-child(even) { transform: rotate(1deg); }
.stamp-label { font-size: 11.5px; letter-spacing: 0.4px; color: var(--ink-soft); margin-bottom: 4px; }
.stamp-value { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 21px; }

.section-title {
  font-family: 'Tiro Bangla', serif; font-size: 18px; font-weight: 700;
  margin: 28px 0 12px; display: flex; align-items: center; gap: 8px;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--ink); opacity: 0.25; }

.chart-wrap { display: flex; align-items: flex-end; gap: 10px; height: 130px; padding: 10px 4px 0; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart-bar { width: 100%; max-width: 34px; border-radius: 3px 3px 0 0; }
.chart-day { font-size: 10.5px; color: var(--ink-soft); }

.method-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.method-name { width: 70px; font-size: 13px; font-weight: 600; }
.method-bar-track { flex: 1; height: 16px; background: rgba(0,0,0,0.06); border-radius: 3px; overflow: hidden; }
.method-bar-fill { height: 100%; border-radius: 3px; }
.method-profit { width: 90px; text-align: right; font-family: 'Inter'; font-size: 13px; font-weight: 700; }

.tx-table { width: 100%; border-collapse: collapse; }
.tx-table th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--ink-soft); font-weight: 600; padding: 6px 8px; border-bottom: 1.5px solid var(--ink);
}
.tx-table td { padding: 9px 8px; border-bottom: 1px solid rgba(35,50,79,0.15); font-size: 13.5px; vertical-align: middle; }
.tx-table tr:hover td { background: rgba(184,134,11,0.06); }
.pill { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; color: #fff; }
.amt-in { color: var(--credit); font-family: 'Inter'; font-weight: 700; }
.amt-out { color: var(--debit); font-family: 'Inter'; font-weight: 700; }
.del-btn { background: none; border: none; color: var(--ink-soft); cursor: pointer; font-size: 15px; opacity: 0.5; }
.del-btn:hover { opacity: 1; color: var(--rule-red); }
.empty-note { color: var(--ink-soft); font-size: 13.5px; padding: 16px 4px; font-style: italic; }

.fab {
  position: fixed; right: 24px; bottom: 24px; background: var(--ink); color: var(--paper);
  width: 54px; height: 54px; border-radius: 50%; font-size: 26px; border: none; cursor: pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25); display: flex; align-items: center; justify-content: center;
  text-decoration: none; z-index: 5;
}
.modal-overlay {
  position: fixed; inset: 0; background: rgba(35,50,79,0.55);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50;
}
.modal-card { background: var(--paper); border-radius: 10px; padding: 22px; width: 100%; max-width: 380px; border: 2px solid var(--ink); }
.modal-title { font-family: 'Tiro Bangla', serif; font-size: 19px; margin-bottom: 14px; }
.field-label { font-size: 12px; font-weight: 600; color: var(--ink-soft); display: block; margin: 10px 0 4px; }
.field-input, .field-select {
  width: 100%; padding: 8px 10px; border: 1.5px solid rgba(35,50,79,0.35); border-radius: 5px;
  font-family: 'Hind Siliguri', sans-serif; font-size: 14px; background: #fff;
}
.dir-toggle { display: flex; gap: 8px; margin-top: 4px; }
.dir-btn { flex: 1; padding: 8px; border-radius: 5px; border: 1.5px solid var(--ink); background: transparent; cursor: pointer; font-weight: 600; font-size: 13px; }
.dir-btn.active-in { background: var(--credit); color: #fff; border-color: var(--credit); }
.dir-btn.active-out { background: var(--debit); color: #fff; border-color: var(--debit); }
.modal-actions { display: flex; gap: 8px; margin-top: 18px; }
.btn-primary { flex: 1; background: var(--ink); color: var(--paper); border: none; padding: 10px; border-radius: 5px; font-weight: 700; cursor: pointer; font-family: 'Hind Siliguri', sans-serif; }
.btn-ghost { padding: 10px 14px; background: transparent; border: 1.5px solid var(--ink); border-radius: 5px; cursor: pointer; color: var(--ink); font-family: 'Hind Siliguri', sans-serif; text-decoration: none; }

.month-block { margin-bottom: 18px; border: 1.5px solid rgba(35,50,79,0.25); border-radius: 8px; overflow: hidden; }
.month-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: rgba(35,50,79,0.06); flex-wrap: wrap; gap: 6px; }
.month-head-title { font-family: 'Tiro Bangla', serif; font-weight: 700; font-size: 15.5px; }
.month-head-stats { font-size: 12.5px; color: var(--ink-soft); font-family: 'Inter'; }

.note-banner { margin-top: 30px; padding: 12px 16px; border-left: 3px solid var(--gold); background: rgba(184,134,11,0.08); font-size: 12.5px; color: var(--ink-soft); border-radius: 0 6px 6px 0; }

.login-wrap { max-width: 340px; margin: 90px auto; background: rgba(255,255,255,0.35); border: 2px solid var(--ink); border-radius: 10px; padding: 28px; }
.login-title { font-family: 'Tiro Bangla', serif; font-size: 22px; text-align: center; margin-bottom: 18px; }
.error-box { background: rgba(166,61,64,0.12); border-left: 3px solid var(--debit); padding: 8px 12px; font-size: 13px; color: var(--debit); border-radius: 0 6px 6px 0; margin-bottom: 12px; }