:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #059669;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand { font-weight: 700; }

.topbar nav a {
  margin-right: 1rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
}
.topbar nav a:hover { color: var(--accent); }

.userbox { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--muted); }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

h1 { font-size: 1.4rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.1rem; margin-top: 0; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.card.highlight { border-color: var(--accent); }

.login-card { max-width: 360px; margin: 4rem auto; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; }

table.kv td:first-child { color: var(--muted); }
table.kv td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
table.kv tr.total td { font-weight: 700; border-top: 2px solid var(--border); }

form label {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
  color: var(--muted);
}
form label input, form label select {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--text);
  background: #fff;
}

form.inline-form { display: flex; align-items: end; gap: 1rem; flex-wrap: wrap; }
form.inline-form label { margin-bottom: 0; }

button, .link-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover, .link-btn:hover { background: var(--accent-dark); }
.link-btn { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
.link-btn:hover { color: var(--accent-dark); background: none; }

.error { color: var(--danger); font-weight: 600; }
.notice { color: var(--success); font-weight: 600; }
.muted { color: var(--muted); font-size: 0.9rem; }