:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #667085;
  --accent: #2f80ed;
  --accent-dark: #1f64c8;
  --line: #d9e2ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.layout {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, #ffffff, #eaf2ff);
  box-shadow: 0 14px 40px rgba(23, 32, 51, 0.08);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0 0 12px;
}

p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tab-button {
  color: var(--accent);
  background: #ffffff;
  border: 1px solid var(--line);
}

.tab-button.active {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: grid;
  gap: 24px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
}

.card.narrow {
  max-width: 520px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.filters {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 16px;
  margin: 18px 0;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  color: white;
  background: var(--accent);
  font-weight: 700;
  cursor: pointer;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

button.secondary {
  color: var(--accent);
  background: #eaf2ff;
}

button.secondary:hover {
  color: #ffffff;
  background: var(--accent-dark);
}

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

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

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: #f6f9ff;
}

td span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

th {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
}

.message {
  min-height: 24px;
  margin: 0 0 18px;
  font-weight: 700;
}

.balance-card {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 96px;
}

.balance-value {
  display: grid;
  place-items: center;
  min-width: 92px;
  min-height: 92px;
  padding: 18px;
  border-radius: 24px;
  color: #ffffff;
  background: linear-gradient(135deg, #2f80ed, #7c3aed);
  font-size: 34px;
  font-weight: 800;
}

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

.transaction {
  display: grid;
  grid-template-columns: 90px 90px 1fr 170px;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdff;
}

.transaction.credit strong {
  color: #0f8a43;
}

.transaction.debit strong {
  color: #c2410c;
}

.amount-credit strong {
  color: #0f8a43;
}

.amount-debit strong {
  color: #c2410c;
}

.roles-list {
  display: grid;
  gap: 12px;
}

.role-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdff;
}

.role-row span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    display: grid;
  }

  .hero-actions {
    justify-content: stretch;
  }

  .transaction {
    grid-template-columns: 1fr;
  }

  .filters,
  .section-head {
    grid-template-columns: 1fr;
    display: grid;
  }

  .role-row,
  .balance-card {
    align-items: stretch;
    display: grid;
  }
}