:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-alt: #f0f1f4;
  --border: #e2e4e9;
  --text: #1b1d22;
  --text-muted: #6b7078;
  --accent: #2f6fed;
  --accent-soft: #e8f0fe;
  --income: #1a9e6b;
  --income-soft: #e5f7ef;
  --expense: #d94f4f;
  --expense-soft: #fbeaea;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 4px 16px rgba(20, 20, 30, 0.06);
}

:root[data-theme="dark"] {
  --bg: #14161a;
  --surface: #1c1f25;
  --surface-alt: #23262d;
  --border: #2e323b;
  --text: #eef0f3;
  --text-muted: #93989f;
  --accent: #5b8def;
  --accent-soft: #1e2a44;
  --income: #34c98a;
  --income-soft: #12332a;
  --expense: #ea6363;
  --expense-soft: #3a2222;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .2s ease, color .2s ease;
}

a { color: inherit; text-decoration: none; }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav .brand {
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
}

nav .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

nav .nav-links a, nav .nav-links button {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border: none;
  background: transparent;
  cursor: pointer;
}

nav .nav-links a.active, nav .nav-links a:hover, nav .nav-links button:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  margin: 0;
  font-size: 24px;
}

.year-select {
  display: flex;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
}

.year-select a {
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.year-select a.active {
  background: var(--accent);
  color: #fff;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.card .value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 6px;
}

.card .value.income { color: var(--income); }
.card .value.expense { color: var(--expense); }
.card .value.surplus.positive { color: var(--income); }
.card .value.surplus.negative { color: var(--expense); }

.property-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.property-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.property-card-head h2 {
  margin: 0;
  font-size: 19px;
}

.property-card-head a.button {
  font-size: 13px;
}

.mini-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.mini-stats div span.label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.mini-stats div span.num {
  font-size: 18px;
  font-weight: 700;
}

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.income { background: var(--income-soft); color: var(--income); }
.badge.expense { background: var(--expense-soft); color: var(--expense); }

.button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.button.secondary {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

.button.danger {
  background: var(--expense-soft);
  color: var(--expense);
}

.button.small { padding: 6px 11px; font-size: 13px; }

table.ledger {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

table.ledger th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}

table.ledger td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

table.ledger tr:last-child td { border-bottom: none; }
table.ledger tr:hover td { background: var(--surface-alt); }

td.amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
td.amount.income { color: var(--income); }
td.amount.expense { color: var(--expense); }

.row-actions { display: flex; gap: 6px; }
.row-actions button, .row-actions a { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 13px; padding: 4px 6px; border-radius: 6px; }
.row-actions button:hover, .row-actions a:hover { background: var(--surface-alt); color: var(--text); }

.attachment-link {
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 18px;
  align-items: start;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.chart-card h3 {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .03em;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 14, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-backdrop.open { display: flex; }

.modal {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}

.modal h3 { margin-top: 0; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 5px;
}

input, select {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.type-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.type-toggle label {
  flex: 1;
  text-align: center;
  padding: 9px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0;
}

.type-toggle input { display: none; width: auto; }
.type-toggle input:checked + span { color: inherit; }
.type-toggle label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

.modal-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  gap: 10px;
}

.flash {
  padding: 11px 16px;
  border-radius: 9px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 500;
}

.flash.success { background: var(--income-soft); color: var(--income); }
.flash.error { background: var(--expense-soft); color: var(--expense); }

.category-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.category-group h3 {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .03em;
}

.category-group ul { list-style: none; padding: 0; margin: 0; }
.category-group li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  background: var(--surface);
}

.file-input-wrap {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 8px 11px;
}

@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .category-list { grid-template-columns: 1fr; }
  nav { padding: 12px 16px; }
  .container { padding: 16px; }
  table.ledger { display: block; overflow-x: auto; }
}

.trial-banner {
  background: var(--accent-soft);
  color: var(--accent);
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
}

.trial-banner.expired {
  background: var(--expense-soft);
  color: var(--expense);
}

.trial-banner a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  margin-left: 6px;
}

.app-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 22px 0;
  color: var(--text-muted);
  font-size: 13px;
}

.app-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 0;
  padding-bottom: 0;
}

.app-footer-links {
  display: flex;
  gap: 16px;
}

.app-footer-links a {
  color: var(--text-muted);
}

.app-footer-links a:hover {
  color: var(--text);
}

.auth-page {
  max-width: 400px;
  margin: 60px auto;
}

.auth-page .card {
  padding: 32px;
}

.auth-page h1 {
  font-size: 22px;
  margin-top: 0;
  margin-bottom: 22px;
}

.auth-page .field {
  margin-bottom: 16px;
}

.auth-page .form-footer {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 16px;
}

.checkbox-field input {
  width: auto;
  margin-top: 3px;
}

.checkbox-field label {
  margin: 0;
  font-weight: 400;
  color: var(--text);
  font-size: 13px;
}

.code-input {
  font-size: 28px;
  letter-spacing: 10px;
  text-align: center;
}

.plan-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.plan-badge.trial { background: var(--accent-soft); color: var(--accent); }
.plan-badge.active { background: var(--income-soft); color: var(--income); }
.plan-badge.expired { background: var(--expense-soft); color: var(--expense); }