:root {
  --bg: #f4f7f6;
  --surface: #ffffff;
  --text: #17201d;
  --muted: #66736e;
  --line: #dbe4e1;
  --green: #197b59;
  --green-soft: #dff3ec;
  --red: #bd3d3d;
  --red-soft: #f9e4e2;
  --blue: #286b9b;
  --yellow: #c18a12;
  --shadow: 0 18px 45px rgba(30, 45, 42, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #123a2e;
  color: #ffffff;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #f3d475;
  color: #123a2e;
  font-weight: 800;
}

.brand-kicker,
.page-label {
  margin: 0 0 4px;
  color: #7b8b85;
  font-size: 0.85rem;
}

.brand-kicker {
  color: #b8d0c8;
}

.brand h1,
.topbar h2,
.panel h3 {
  margin: 0;
}

.nav {
  display: grid;
  gap: 10px;
}

.nav-btn,
.reset-btn,
.primary-btn,
.secondary-btn,
.action-btn {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  padding: 10px 14px;
  font-weight: 700;
}

.nav-btn {
  text-align: left;
  color: #dbeae5;
  background: transparent;
}

.nav-btn.active,
.nav-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.reset-btn {
  margin-top: auto;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.content {
  padding: 26px;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.balance-box {
  background: #17201d;
  color: #ffffff;
  border-radius: 8px;
  padding: 14px 18px;
  min-width: 220px;
}

.balance-box span,
.summary-card span,
.report-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  margin-bottom: 8px;
}

.balance-box span {
  color: #b8c6c1;
}

.balance-box strong,
.summary-card strong,
.report-grid strong {
  font-size: 1.35rem;
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 18px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.summary-card,
.panel,
.report-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 18px;
  min-height: 120px;
}

.summary-card.income strong {
  color: var(--green);
}

.summary-card.expense strong {
  color: var(--red);
}

.summary-card.balance strong {
  color: var(--blue);
}

.summary-card.highlight strong {
  color: var(--yellow);
}

.summary-card small {
  display: block;
  color: var(--muted);
  margin-top: 8px;
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.panel-head span {
  color: var(--muted);
  font-size: 0.9rem;
}

.entry-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  min-height: 44px;
  color: var(--text);
  background: #ffffff;
}

input:focus,
select:focus {
  outline: 3px solid rgba(25, 123, 89, 0.18);
  border-color: var(--green);
}

.form-actions {
  display: flex;
  gap: 10px;
  grid-column: 1 / -1;
  flex-wrap: wrap;
}

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

.primary-btn.danger {
  background: var(--red);
}

.secondary-btn {
  background: #e9efed;
  color: var(--text);
}

.search-input {
  max-width: 420px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 13px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

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

.amount-income {
  color: var(--green);
  font-weight: 800;
}

.amount-expense {
  color: var(--red);
  font-weight: 800;
}

.action-group {
  display: flex;
  gap: 8px;
}

.action-btn {
  min-height: 34px;
  padding: 7px 10px;
  background: #edf2f0;
}

.action-btn.delete {
  color: var(--red);
  background: var(--red-soft);
}

.compact-list {
  display: grid;
  gap: 10px;
}

.compact-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.compact-item strong {
  display: block;
}

.compact-item span {
  color: var(--muted);
  font-size: 0.84rem;
}

.chart {
  min-height: 250px;
  display: flex;
  align-items: end;
  gap: 18px;
  padding: 16px;
  border-radius: 8px;
  background: #f7faf9;
  border: 1px solid var(--line);
}

.chart.tall {
  min-height: 320px;
}

.bar-set {
  flex: 1;
  min-width: 80px;
  display: grid;
  gap: 8px;
  align-content: end;
  height: 100%;
}

.bar {
  min-height: 8px;
  border-radius: 8px 8px 4px 4px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  overflow: hidden;
}

.bar.income {
  background: var(--green);
}

.bar.expense {
  background: var(--red);
}

.bar-label {
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.report-grid article {
  box-shadow: none;
  padding: 16px;
}

.report-title {
  margin-top: 6px;
}

.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  min-height: 28px;
  padding: 4px 10px;
  font-size: 0.82rem;
  font-weight: 800;
}

.pill.income {
  color: var(--green);
  background: var(--green-soft);
}

.pill.expense {
  color: var(--red);
  background: var(--red-soft);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 16px;
  }

  .nav {
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    overflow-x: auto;
  }

  .reset-btn {
    margin-top: 0;
  }

  .summary-grid,
  .report-grid,
  .panel-grid,
  .entry-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .content {
    padding: 16px;
  }

  .topbar,
  .panel-head.stackable {
    align-items: stretch;
    flex-direction: column;
  }

  .balance-box,
  .search-input {
    max-width: none;
    min-width: 0;
  }

  .summary-grid,
  .report-grid,
  .panel-grid,
  .entry-form {
    grid-template-columns: 1fr;
  }

  .chart {
    gap: 10px;
    overflow-x: auto;
  }

  .bar-set {
    min-width: 74px;
  }
}