:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --income: #0ea5a4;
  --expense: #f43f5e;
  --credit: #7c3aed;
  --balance: #2563eb;
  --accent: #334155;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
  color: var(--text);
}

.app-shell {
  width: min(1100px, 92%);
  margin: 1.4rem auto 2rem;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
}

.topbar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.8rem;
}

.topbar p {
  margin: 0.45rem 0 1.2rem;
  color: var(--muted);
}

.dashboard {
  display: grid;
  gap: 1rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.summary-card h2 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.summary-card p {
  margin: 0.5rem 0 0;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 700;
}

.credit-card p {
  color: var(--credit);
}

.income-card p {
  color: var(--income);
}

.expense-card p {
  color: var(--expense);
}

.balance-card p {
  color: var(--balance);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.panel h2 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
}

.form-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 0.38rem;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--accent);
}

label.full-width {
  grid-column: 1 / -1;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: 0.62rem 0.75rem;
}

input:focus,
select:focus {
  outline: 2px solid #bfdbfe;
  border-color: #93c5fd;
}

.btn-primary,
.btn-ghost {
  border-radius: 10px;
  border: none;
  padding: 0.65rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
  align-self: end;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-ghost {
  background: #eef2ff;
  color: #3730a3;
}

.btn-ghost:hover {
  background: #e0e7ff;
}

.form-message {
  min-height: 1.2rem;
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.8rem;
}

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

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

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.type-badge {
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.type-income {
  color: #115e59;
  background: #ccfbf1;
}

.type-expense {
  color: #9f1239;
  background: #ffe4e6;
}

.type-credit {
  color: #5b21b6;
  background: #ede9fe;
}

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

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

.amount-credit {
  color: var(--credit);
  font-weight: 600;
}

.currency-chip {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-size: 0.75rem;
  color: var(--muted);
  margin-left: 0.35rem;
}

.delete-btn {
  border: none;
  background: #fff1f2;
  color: #be123c;
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.delete-btn:hover {
  background: #ffe4e6;
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 10px;
  text-align: center;
  padding: 1rem;
  color: var(--muted);
}

@media (max-width: 860px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  #languageToggle {
    width: fit-content;
  }

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

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

  label.full-width {
    grid-column: auto;
  }
}