:root {
  color-scheme: light;
  --ink: #18212f;
  --muted: #667085;
  --line: #d7dee8;
  --paper: #ffffff;
  --page: #f4f7f9;
  --primary: #176b5d;
  --primary-dark: #0f4f45;
  --accent: #b84f28;
  --danger: #b42318;
  --ok-bg: #e8f7ef;
  --err-bg: #fff0ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  align-items: center;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
}

nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

nav form {
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px;
}

.panel,
.login-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 18px;
  padding: 22px;
}

.login-panel {
  margin: 9vh auto 0;
  max-width: 420px;
}

h1,
h2 {
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0 0 18px;
}

h1 {
  font-size: 25px;
}

h2 {
  font-size: 18px;
}

.grid {
  display: grid;
  gap: 14px;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.stats article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.stats strong {
  display: block;
  font-size: 28px;
}

.stats span {
  color: var(--muted);
}

form.stack,
.form-grid,
.inline-form,
.month-picker,
.review-bar {
  display: grid;
  gap: 14px;
}

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

.wide {
  grid-column: 1 / -1;
}

.inline-form,
.month-picker,
.review-bar {
  align-items: end;
  grid-template-columns: repeat(4, minmax(160px, max-content));
}

.month-picker {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 18px;
  padding: 14px;
}

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

input,
select,
textarea,
button {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  min-height: 40px;
  padding: 9px 11px;
}

textarea {
  min-height: 86px;
  resize: vertical;
}

button {
  background: #eef3f1;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  border-color: var(--primary);
}

.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.primary:hover {
  background: var(--primary-dark);
}

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

table {
  border-collapse: collapse;
  min-width: 860px;
  width: 100%;
}

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

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

.money {
  text-align: right;
  white-space: nowrap;
}

.status {
  background: #edf1f5;
  border-radius: 999px;
  display: inline-block;
  font-size: 12px;
  padding: 3px 8px;
  text-transform: capitalize;
  white-space: nowrap;
}

.flash {
  border-radius: 8px;
  font-weight: 700;
  margin-bottom: 18px;
  padding: 12px 14px;
}

.flash.success {
  background: var(--ok-bg);
  color: var(--primary-dark);
}

.flash.error {
  background: var(--err-bg);
  color: var(--danger);
}

.setup-summary {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 14px;
}

.setup-summary p {
  margin: 6px 0;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  main {
    padding: 16px;
  }

  .stats,
  .form-grid,
  .inline-form,
  .month-picker,
  .review-bar {
    grid-template-columns: 1fr;
  }

  .panel,
  .login-panel {
    padding: 16px;
  }
}