:root {
  color-scheme: light;
  font-family: Arial, sans-serif;
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #24292f;
  --muted: #57606a;
  --accent: #0a66c2;
  --danger: #b42318;
  --border: #d0d7de;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--accent);
  color: #fff;
  padding: 1rem 1.5rem;
}

.topbar h1,
.topbar p {
  margin: 0.2rem 0;
}

.container {
  padding: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.card h2 {
  margin-top: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}

.settings-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: end;
}

.new-shop {
  display: grid;
  gap: 0.35rem;
  grid-column: 1 / -1;
}

.stat {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.stat p {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.stat h3 {
  margin: 0;
}

.form-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

input,
select,
button {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.94);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 0.5rem 0.35rem;
}

.danger-button {
  background: var(--danger);
}

.report-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.report-actions {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: end;
  margin-bottom: 0.85rem;
}

.report {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
}

@media (max-width: 520px) {
  table {
    display: block;
    width: 100%;
    overflow-x: auto;
  }
  th,
  td {
    white-space: nowrap;
  }
}