.ruexpert-cert {
  max-width: 760px;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

.ruexpert-cert * { box-sizing: border-box; }

.ruexpert-search-card,
.ruexpert-result-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(11, 95, 165, .08);
  padding: 22px;
  margin-bottom: 18px;
  color: #1f2d3d;
}

.ruexpert-search-row { display: flex; gap: 10px; }

.ruexpert-search-row input {
  flex: 1;
  padding: 13px 14px;
  border: 1.5px solid #d9e1ea;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
}
.ruexpert-search-row input:focus { border-color: #0b5fa5; }

.ruexpert-search-row button {
  padding: 13px 22px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: #0b5fa5;
  color: #fff;
}
.ruexpert-search-row button:hover { background: #084a80; }

.ruexpert-hint {
  margin-top: 10px;
  font-size: 13px;
  color: #6b7785;
}

.ruexpert-error {
  background: #fdecea;
  color: #c0392b;
  border: 1px solid #f5c6c0;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 12px;
}

.ruexpert-result-card h2 { margin: 0 0 16px; font-size: 18px; }
.ruexpert-hidden { display: none; }

.ruexpert-field {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid #eef2f6;
}
.ruexpert-field:last-child { border-bottom: none; }
.ruexpert-field .ruexpert-label {
  flex: 0 0 45%;
  background: #050a70;
  color: #ffffff;
  font-size: 14px;
  text-align: left;
  padding: 7px 10px;
  border-radius: 6px;
}
.ruexpert-field .ruexpert-value {
  flex: 1;
  font-weight: 600;
  text-align: center;
}

.ruexpert-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}
.ruexpert-badge.active { background: #1a9e5c; }
.ruexpert-badge.suspended { background: #c97a12; }
.ruexpert-badge.expired { background: #c0392b; }