:root {
  --bg: #0a0d12;
  --panel: #12161d;
  --border: #232a35;
  --text: #dfe4ea;
  --muted: #6f7b8a;
  --income: #3ddc84;
  --expense: #e2725a;
  --accent: #5b8cff;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

header.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

header.topbar .brand {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

header.topbar .brand strong { color: var(--text); }

button.linklike {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
}
button.linklike:hover { color: var(--text); }

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 24px;
}

.summary .cell {
  background: var(--panel);
  padding: 14px 12px;
}

.summary .label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.summary .value {
  font-family: var(--mono);
  font-size: 16px;
}

.summary .value.income { color: var(--income); }
.summary .value.expense { color: var(--expense); }

form.add-form {
  display: grid;
  grid-template-columns: 90px 1fr 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  form.add-form { grid-template-columns: 1fr 1fr; }
  form.add-form button { grid-column: 1 / -1; }
}

input, select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  padding: 9px 10px;
  border-radius: 4px;
}

input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button.primary {
  background: var(--accent);
  color: #0a0d12;
  border: none;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 14px;
  border-radius: 4px;
  cursor: pointer;
}
button.primary:hover { filter: brightness(1.08); }

.ledger { border-top: 1px solid var(--border); }

.row {
  display: grid;
  grid-template-columns: 96px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.row .date {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
}

.row .info .party { color: var(--text); }
.row .info .category { color: var(--muted); font-size: 12px; }

.row .amount {
  font-family: var(--mono);
  text-align: right;
  white-space: nowrap;
}
.row .amount.income { color: var(--income); }
.row .amount.expense { color: var(--expense); }

.row .actions { display: flex; gap: 6px; }
.row .actions button {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
}
.row .actions button:hover { color: var(--text); border-color: var(--accent); }

.empty {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  padding: 30px 4px;
  text-align: center;
}

/* Login page */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  width: 100%;
  max-width: 320px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.login-box .prompt {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 18px;
}

.login-box input {
  width: 100%;
  margin-bottom: 10px;
}

.login-box button { width: 100%; margin-top: 4px; }

.error-msg {
  color: var(--expense);
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 10px;
  min-height: 14px;
}