/* QA29 Budget Planner Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-ground);
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background-color: color-mix(in oklch, var(--color-accent) 25%, white);
  color: var(--color-ink);
}

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

/* Typography elements */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-2xl);
  line-height: 1.1;
}

h2 {
  font-size: var(--text-xl);
  line-height: 1.2;
}

p {
  margin: 0;
  text-wrap: pretty;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Page shell */
.site-header {
  border-bottom: 2px solid var(--color-ink);
  background-color: var(--color-surface);
  padding: var(--space-4) var(--space-5);
}

.header-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.header-meta {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.main-container {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-12);
  flex: 1;
}

/* Intro block */
.intro-block {
  margin-bottom: var(--space-8);
}

.intro-lead {
  font-size: var(--text-base);
  color: var(--color-muted);
  margin-top: var(--space-2);
  max-width: 60ch;
}

/* Ledger grid structure */
.planner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 800px) {
  .planner-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

/* Ledger cards */
.ledger-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
}

.ledger-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.ledger-header h2 {
  font-size: 1.25rem;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.input-affix-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.input-affix-wrapper:focus-within {
  border-color: var(--color-ink);
  outline: 1px solid var(--color-ink);
}

.input-prefix {
  padding: var(--space-3) var(--space-3);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-muted);
  background-color: var(--color-surface-soft);
  border-right: 1px solid var(--color-border);
  user-select: none;
}

.form-input {
  width: 100%;
  padding: var(--space-3);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-ink);
  background: transparent;
  border: none;
  min-height: 44px;
}

.form-input:focus {
  outline: none;
}

.field-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--space-1);
}

.field-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
  font-weight: 500;
}

.has-error .field-error {
  display: block;
}

.has-error .input-affix-wrapper,
.has-error input {
  border-color: var(--color-danger);
}

/* Expenses table / list */
.expenses-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.expenses-count {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.expense-row-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.expense-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-3);
  background-color: var(--color-surface-soft);
  border: 1px solid var(--color-border);
}

@media (min-width: 520px) {
  .expense-row {
    grid-template-columns: 1.4fr 1.2fr 1.2fr auto;
    align-items: end;
  }
}

.expense-row .form-group {
  margin-bottom: 0;
}

.expense-row select.form-input {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  cursor: pointer;
}

.expense-row .input-affix-wrapper {
  background-color: var(--color-surface);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  border: none;
  background-color: var(--color-ink);
  color: var(--color-surface);
  border-radius: var(--radius);
  transition: opacity 0.15s ease;
}

.btn:hover {
  opacity: 0.9;
}

.btn-secondary {
  background-color: var(--color-surface-soft);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: color-mix(in oklch, var(--color-ink) 10%, var(--color-surface));
}

.btn-accent {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
}

.btn-remove {
  background-color: transparent;
  color: var(--color-danger);
  border: 1px solid var(--color-border);
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-remove:hover {
  background-color: var(--color-surface-danger);
  border-color: var(--color-danger);
}

/* Empty list state */
.empty-list-notice {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  border: 1px dashed var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* Summary balance panel */
.summary-panel {
  position: sticky;
  top: var(--space-4);
}

.summary-card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-ink);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.summary-card.status-overspent {
  border-color: var(--color-danger);
  background-color: var(--color-surface-danger);
}

.summary-card.status-surplus {
  border-color: var(--color-accent);
}

.balance-metric {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.balance-label {
  font-size: var(--text-xs);
  text-transform: none;
  color: var(--color-muted);
  margin-bottom: var(--space-1);
}

.balance-amount {
  font-size: 2.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-ink);
}

.status-surplus .balance-amount {
  color: var(--color-accent);
}

.status-overspent .balance-amount {
  color: var(--color-danger);
}

/* Overspend notice banner */
.overspend-warning {
  display: none;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-danger);
  color: #ffffff;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
}

.status-overspent .overspend-warning {
  display: block;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.breakdown-table th,
.breakdown-table td {
  padding: var(--space-2) 0;
  text-align: left;
}

.breakdown-table td:last-child,
.breakdown-table th:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.breakdown-table tr.total-row {
  border-top: 1px solid var(--color-border);
  font-size: var(--text-base);
}

/* Category distribution list */
.category-summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-xs);
}

.category-summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-muted);
  padding: var(--space-1) 0;
}

.category-summary-item strong {
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

/* Device save banner & actions */
.storage-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-muted);
  flex-wrap: wrap;
}

.storage-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* Confirmation Dialog */
dialog.confirm-dialog {
  padding: 0;
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  max-width: 440px;
  width: calc(100% - 32px);
  box-shadow: none;
}

dialog::backdrop {
  background-color: color-mix(in oklch, var(--color-ink) 50%, transparent);
}

.dialog-inner {
  padding: var(--space-6);
}

.dialog-inner h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.dialog-inner p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Site footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  padding: var(--space-8) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.footer-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-ink);
  font-weight: 600;
}