/* BR1 — private ledger book design */

:root {
  --paper: #f6f4ee;
  --paper-dark: #ebe8df;
  --ink: #1b2430;
  --ink-muted: #4a5568;
  --brass: #a9812f;
  --brass-light: #c9a24a;
  --plum: #6b4c6e;
  --plum-light: #8a6a8d;
  --income: #3d6b54;
  --income-light: #4f8568;
  --danger: #9b3b3b;
  --font-serif: "Fraunces", Georgia, serif;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --sidebar-w: 15rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  min-height: 100dvh;
}

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Money */
.money {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.money-lg { font-size: 1.375rem; }
.money-md { font-size: 1.0625rem; }
.money-work { color: var(--brass); }
.money-family { color: var(--plum); }
.money-in { color: var(--income); }
.money-out { color: var(--danger); }

.label-work { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brass); }
.label-family { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--plum); }
.label-income { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--income); }
.label-expense { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); }
.label-muted { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); }

.text-muted { color: var(--ink-muted); font-size: 0.875rem; }
.text-link { color: var(--brass); font-size: 0.875rem; text-decoration: none; }
.text-link:hover { color: var(--brass-light); }
.text-danger { color: var(--danger); }
.text-btn { background: none; border: none; font: inherit; font-size: 0.75rem; color: var(--ink-muted); cursor: pointer; padding: 0.25rem 0.5rem; border-radius: 4px; text-decoration: none; }
.text-btn:hover { background: rgb(27 36 48 / 0.05); color: var(--ink); }
.text-btn.text-danger:hover { background: rgb(155 59 59 / 0.08); color: var(--danger); }

/* Layout */
.app-shell { display: flex; min-height: 100dvh; }

.sidebar {
  display: none;
  width: var(--sidebar-w);
  flex-shrink: 0;
  flex-direction: column;
  background: var(--ink);
  color: #fff;
}

@media (min-width: 768px) {
  .sidebar { display: flex; }
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgb(255 255 255 / 0.1);
}

.brand-title {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
}

.brand-sub {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  color: rgb(255 255 255 / 0.5);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0.75rem;
}

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid rgb(255 255 255 / 0.1);
}

.nav-link {
  display: block;
  padding: 0.625rem 0.75rem;
  border-radius: 6px;
  color: rgb(255 255 255 / 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-link:hover { background: rgb(255 255 255 / 0.05); color: #fff; }
.nav-link.active { background: rgb(169 129 47 / 0.2); color: var(--brass-light); }

.main-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.main-content {
  flex: 1;
  width: 100%;
  max-width: 56rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 5.5rem;
}

@media (min-width: 640px) {
  .main-content { padding: 1.5rem 1.5rem 1.5rem; }
}

.bottom-nav {
  display: flex;
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 40;
  background: var(--ink);
  border-top: 1px solid rgb(255 255 255 / 0.1);
}

@media (min-width: 768px) {
  .bottom-nav { display: none; }
}

.bottom-link {
  flex: 1;
  padding: 0.75rem 0.25rem;
  text-align: center;
  font-size: 0.6875rem;
  color: rgb(255 255 255 / 0.6);
  text-decoration: none;
}

.bottom-link.active { color: var(--brass-light); }

/* Page */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-title {
  margin: 0;
  font-size: 1.5rem;
}

.page-sub {
  margin: 0.25rem 0 0;
  color: var(--ink-muted);
  font-size: 0.875rem;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Cards */
.card {
  background: var(--paper);
  border: 1px solid rgb(27 36 48 / 0.1);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 2px rgb(27 36 48 / 0.04);
}

.card-title {
  margin: 0 0 1rem;
  font-size: 1.125rem;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-header-row .card-title { margin: 0; }

.totals-grid {
  display: grid;
  gap: 1rem;
  margin: 0;
}

@media (min-width: 640px) {
  .totals-grid { grid-template-columns: repeat(3, 1fr); }
}

.totals-grid dt { margin: 0; }
.totals-grid dd { margin: 0.25rem 0 0; }

/* Forms */
.form-stack { display: flex; flex-direction: column; gap: 1rem; }
.form-grid { display: grid; gap: 1rem; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } }

.field label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.optional { font-weight: 400; color: var(--ink-muted); }

.field input,
.field select,
.filter-bar input,
.filter-bar select,
.month-picker input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid rgb(27 36 48 / 0.15);
  border-radius: 6px;
  background: #fff;
  font: inherit;
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgb(169 129 47 / 0.15);
  outline: none;
}

.money-input { font-family: var(--font-mono); }

.field-error, .form-error {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--danger);
}

.form-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* Type toggle */
.type-toggle {
  display: flex;
  gap: 0;
  padding: 0.25rem;
  margin: 0;
  border: 1px solid rgb(27 36 48 / 0.15);
  border-radius: 6px;
}

.type-option {
  flex: 1;
  position: relative;
  cursor: pointer;
}

.type-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.type-option span {
  display: block;
  padding: 0.5rem 1rem;
  text-align: center;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
}

.type-option input:checked + span {
  background: var(--brass);
  color: #fff;
}

.type-option.type-family input:checked + span {
  background: var(--plum);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1rem;
  border: none;
  border-radius: 6px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary { background: var(--brass); color: #fff; }
.btn-primary:hover { background: var(--brass-light); }
.btn-income { background: var(--income); color: #fff; }
.btn-income:hover { background: var(--income-light); }
.btn-ghost { background: transparent; border: 1px solid rgb(27 36 48 / 0.15); color: var(--ink); }
.btn-ghost:hover { background: rgb(27 36 48 / 0.05); }
.btn-block { width: 100%; }

/* Expense list */
.expense-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ledger-rule {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2.45rem,
    rgb(27 36 48 / 0.08) 2.45rem,
    rgb(27 36 48 / 0.08) calc(2.45rem + 1px)
  );
}

.expense-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px dashed rgb(27 36 48 / 0.1);
}

.expense-item:last-child { border-bottom: none; }

.expense-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.type-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.type-dot.type-work { background: var(--brass); }
.type-dot.type-family { background: var(--plum); }

.expense-label { font-size: 0.875rem; font-weight: 500; }
.expense-date { font-size: 0.75rem; color: var(--ink-muted); }
.expense-note { margin: 0.125rem 0 0 1rem; font-size: 0.75rem; color: var(--ink-muted); }

.expense-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  flex-shrink: 0;
}

.expense-actions {
  display: flex;
  gap: 0.25rem;
}

.inline-form { display: inline; margin: 0; }

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.filter-bar .field { min-width: 8rem; flex: 1; }

.filtered-total {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed rgb(27 36 48 / 0.1);
}

.mini-total { font-size: 0.75rem; font-family: var(--font-mono); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
}

.empty-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
}

.empty-state .btn { margin-top: 1rem; }

/* Flash messages */
.flash {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.flash-success {
  background: rgb(169 129 47 / 0.12);
  color: var(--brass);
  border: 1px solid rgb(169 129 47 / 0.25);
}

.flash-error {
  background: rgb(155 59 59 / 0.1);
  color: var(--danger);
  border: 1px solid rgb(155 59 59 / 0.2);
}

/* Login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 1rem;
}

.login-wrap {
  width: 100%;
  max-width: 24rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header .brand-title {
  font-size: 1.875rem;
  color: var(--ink);
}

/* History */
.history-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .history-grid { grid-template-columns: 1fr 1fr; }
}

.month-picker input {
  width: auto;
  padding: 0.5rem 0.75rem;
}

/* Bar chart */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.375rem;
  height: 12rem;
  padding-top: 1rem;
  overflow-x: auto;
}

.bar-col {
  flex: 1;
  min-width: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.bar-stack {
  width: 100%;
  max-width: 1.5rem;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  border-radius: 3px 3px 0 0;
  overflow: hidden;
  min-height: 4px;
}

.bar-seg { width: 100%; }
.bar-work { background: var(--brass); }
.bar-family { background: var(--plum); }

.bar-label {
  margin-top: 0.375rem;
  font-size: 0.625rem;
  color: var(--ink-muted);
}

.chart-legend {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.legend-dot {
  display: inline-block;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 2px;
  margin-right: 0.25rem;
  vertical-align: middle;
}

.legend-work { background: var(--brass); }
.legend-family { background: var(--plum); }

.settings-dl { margin: 0; }
.settings-dl dt { font-size: 0.875rem; color: var(--ink-muted); }
.settings-dl dd { margin: 0.25rem 0 0; font-weight: 500; }

/* Money flow summary */
.flow-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
}

.flow-heading {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
}

.flow-dl {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.flow-dl dt { margin: 0; }
.flow-dl dd { margin: 0.125rem 0 0; }

.flow-net {
  padding-top: 0.25rem;
  border-top: 1px dashed rgb(27 36 48 / 0.12);
}

@media (min-width: 768px) {
  .flow-net {
    padding-top: 0;
    border-top: none;
    border-left: 1px dashed rgb(27 36 48 / 0.12);
    padding-left: 1.25rem;
  }
}

/* Activity badges */
.badge {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-income {
  background: rgb(61 107 84 / 0.15);
  color: var(--income);
}

.badge-expense {
  background: rgb(27 36 48 / 0.08);
  color: var(--ink-muted);
}