:root {
  --bg: #f4f7f8;
  --ink: #102027;
  --muted: #607079;
  --panel: #ffffff;
  --line: #dbe4e7;
  --teal: #0f766e;
  --cyan: #164e63;
  --amber: #d97706;
  --red: #dc2626;
  --green: #15803d;
  --shadow: 0 18px 45px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.app-shell {
  width: min(1220px, calc(100% - 32px));
  margin: 24px auto 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: 24px;
  align-items: center;
  padding: 28px;
  background: linear-gradient(135deg, #f8fafc, #ecfeff);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-weight: 800;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 700px;
  margin-bottom: 12px;
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-art svg {
  width: 100%;
  display: block;
}

.toolbar, .metrics, .workspace, .lower-grid {
  margin-top: 18px;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr)) auto auto;
  gap: 12px;
  align-items: end;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input, select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  color: #fff;
  background: var(--teal);
  font-weight: 800;
  cursor: pointer;
}

button:hover { filter: brightness(.96); }
.ghost {
  color: var(--cyan);
  background: #e6f4f4;
}

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

.metric {
  min-height: 118px;
  display: grid;
  align-content: space-between;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric span {
  color: var(--muted);
  font-weight: 800;
}

.metric strong {
  font-size: 25px;
  letter-spacing: 0;
}

.income { border-top: 5px solid var(--green); }
.expense { border-top: 5px solid var(--red); }
.balance { border-top: 5px solid var(--cyan); }
.budget { border-top: 5px solid var(--amber); }

.workspace {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  gap: 18px;
}

.lower-grid {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-panel, .chart-panel, .lower-grid .panel {
  padding: 18px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-title h2 {
  margin: 0;
  font-size: 19px;
}

.panel-title span, #editingBadge {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

#editingBadge {
  color: var(--amber);
}

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

.wide { grid-column: 1 / -1; }
.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.charts h3 {
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--muted);
}

canvas {
  width: 100%;
  max-width: 100%;
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
}

.breakdown {
  display: grid;
  gap: 12px;
}

.bar-row {
  display: grid;
  grid-template-columns: 82px 1fr 104px;
  gap: 10px;
  align-items: center;
  font-size: 13px;
}

.bar-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eef0;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--teal);
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.row-actions button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 12px;
}

.danger {
  background: #fee2e2;
  color: var(--red);
}

@media (max-width: 920px) {
  .hero, .workspace, .lower-grid, .charts {
    grid-template-columns: 1fr;
  }
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .toolbar {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100% - 20px, 1220px);
    margin-top: 10px;
  }
  .hero {
    padding: 18px;
  }
  h1 {
    font-size: 30px;
  }
  .metrics, .toolbar, .form-grid {
    grid-template-columns: 1fr;
  }
}