* { box-sizing: border-box; }
body {
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  color: #1f2937;
}
.navbar {
  background: #0f2c46;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar a { color: #fff; text-decoration: none; margin-right: 16px; font-size: 14px; }
.navbar a:hover { text-decoration: underline; }
.container { max-width: 960px; margin: 32px auto; padding: 0 16px; }
.login-box {
  max-width: 380px; margin: 90px auto; background: #fff; padding: 32px;
  border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.login-box h1 { font-size: 20px; margin-bottom: 24px; text-align: center; }
input[type=text], input[type=password], input[type=date], select, textarea {
  width: 100%; padding: 10px; margin-bottom: 14px; border: 1px solid #d1d5db;
  border-radius: 6px; font-size: 14px;
}
button, .btn {
  background: #0f2c46; color: #fff; border: none; padding: 10px 18px;
  border-radius: 6px; cursor: pointer; font-size: 14px; text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: #16405f; }
button:disabled { background: #9ca3af; cursor: not-allowed; }
.btn-danger { background: #b91c1c; }
.btn-danger:hover { background: #991b1b; }
.error { color: #b91c1c; margin-bottom: 12px; font-size: 14px; }
.card {
  background: #fff; border-radius: 8px; padding: 18px 20px; margin-bottom: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06); display: flex; justify-content: space-between; align-items: center;
}
.badge { font-size: 12px; padding: 3px 8px; border-radius: 10px; }
.badge-ok { background: #d1fae5; color: #065f46; }
.badge-pending { background: #fee2e2; color: #991b1b; }
.badge-disagree { background: #fef3c7; color: #92400e; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 10px 12px; border-bottom: 1px solid #e5e7eb; font-size: 13px; text-align: left; }
th { background: #f1f5f9; }
h1, h2 { color: #0f2c46; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { width: auto; margin-bottom: 0; }
.pdf-frame { width: 100%; height: 75vh; border: 1px solid #d1d5db; border-radius: 6px; }
.confirm-box { margin-top: 16px; padding: 16px; background: #fff7ed; border-radius: 8px; }