:root {
  --primary: #2563eb;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --danger: #dc2626;
  --success: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--primary); }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text); text-decoration: none; font-size: 0.95rem; }
.topbar nav a:hover { color: var(--primary); }
.userbox { font-size: 0.9rem; color: var(--muted); }
.userbox a { color: var(--primary); }
.container { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
h1 { font-size: 1.4rem; margin-top: 0; }
h2 { font-size: 1.1rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn.secondary { background: #64748b; }
.btn.danger { background: var(--danger); }
form.inline { display: inline; }
.form-row { margin-bottom: 12px; }
.form-row label { display: block; margin-bottom: 4px; font-size: 0.88rem; color: var(--muted); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat .value { font-size: 1.6rem; font-weight: 700; }
.stat.income .value { color: var(--success); }
.stat.expense .value { color: var(--danger); }
.badge { padding: 2px 8px; border-radius: 999px; font-size: 0.78rem; }
.badge.present { background: #dcfce7; color: #166534; }
.badge.absent { background: #fee2e2; color: #991b1b; }
.badge.leave { background: #fef3c7; color: #92400e; }
.badge.half_day { background: #e0e7ff; color: #3730a3; }
.error { background: #fee2e2; color: #991b1b; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.success { background: #dcfce7; color: #166534; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.login-wrap { max-width: 360px; margin: 80px auto; }
.toolbar { display: flex; gap: 10px; align-items: end; margin-bottom: 16px; flex-wrap: wrap; }