:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-border: #e1e5ea;
  --color-text: #1f2933;
  --color-muted: #6b7684;
  --color-primary: #2f6fed;
  --color-primary-dark: #234fb0;
  --color-income: #1a9e6b;
  --color-expense: #d4423e;
  --color-warning: #b8860b;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

a { color: var(--color-primary); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
}

.auth-card h1 {
  font-size: 1.4rem;
  margin-top: 0;
}

.field {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field label {
  font-size: 0.85rem;
  color: var(--color-muted);
}

input, select, button, textarea {
  font: inherit;
}

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  color: var(--color-text);
  width: 100%;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

button:hover { background: var(--color-primary-dark); }

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

button.secondary:hover { background: var(--color-bg); }

button.danger { background: var(--color-expense); }
button.danger:hover { background: #a92d2a; }

button:disabled { opacity: 0.6; cursor: not-allowed; }

.error-message {
  color: var(--color-expense);
  font-size: 0.85rem;
  min-height: 1.2em;
}

.muted { color: var(--color-muted); font-size: 0.85rem; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar h1 { font-size: 1.1rem; margin: 0; }
.topbar nav { display: flex; gap: 10px; align-items: center; }

/* Dashboard grid */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.summary-card {
  padding: 16px;
}

.summary-card .label { font-size: 0.8rem; color: var(--color-muted); }
.summary-card .value { font-size: 1.4rem; font-weight: 700; margin-top: 4px; }
.summary-card .value.income { color: var(--color-income); }
.summary-card .value.expense { color: var(--color-expense); }
.summary-card .delta { font-size: 0.78rem; margin-top: 2px; color: var(--color-muted); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 20px;
}

.filters .field { margin-bottom: 0; min-width: 160px; }

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 720px) {
  .charts-grid { grid-template-columns: 1fr; }
}

.chart-card { padding: 16px; }
.chart-card h2 { font-size: 1rem; margin-top: 0; }
.chart-card canvas { max-height: 280px; }

.alerts-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }

.alert-item {
  padding: 10px 12px;
  border-radius: 8px;
  border-left: 4px solid var(--color-warning);
  background: #fff8e6;
  font-size: 0.9rem;
}

.alert-item.recurring_due { border-left-color: var(--color-primary); background: #eef4ff; }

.section-title {
  font-size: 1.05rem;
  margin: 28px 0 12px;
}

.tx-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  align-items: end;
  margin-bottom: 20px;
}

.tx-form .field { margin-bottom: 0; }
.tx-form .full-width { grid-column: 1 / -1; }

.checkbox-field { flex-direction: row; align-items: center; gap: 8px; }
.checkbox-field input { width: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--color-border); font-size: 0.88rem; }
th { color: var(--color-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }

td.amount.income { color: var(--color-income); font-weight: 600; }
td.amount.expense { color: var(--color-expense); font-weight: 600; }

.row-actions { display: flex; gap: 6px; }
.row-actions button { padding: 4px 8px; font-size: 0.78rem; }

.manage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 720px) {
  .manage-grid { grid-template-columns: 1fr; }
}

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }

.tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 10px 4px 12px;
  font-size: 0.82rem;
}

.tag button {
  background: none;
  color: var(--color-muted);
  padding: 0;
  font-weight: 700;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  line-height: 1;
}

.tag button:hover { color: var(--color-expense); background: none; }

.inline-form { display: flex; gap: 8px; margin-top: 8px; }
.inline-form input, .inline-form select { flex: 1; }

.wizard-step { display: none; }
.wizard-step.active { display: block; }
.wizard-progress { display: flex; gap: 6px; margin-bottom: 16px; }
.wizard-progress span { flex: 1; height: 4px; border-radius: 2px; background: var(--color-border); }
.wizard-progress span.active { background: var(--color-primary); }
.wizard-actions { display: flex; justify-content: space-between; margin-top: 20px; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50;
}

.modal-backdrop.hidden { display: none; }
.modal { max-width: 360px; width: 100%; }