.kda-wrap {
  max-width: 1050px;
  margin: 24px auto;
  padding: 0 16px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.kda-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  padding: 24px;
}

.kda-card h2 {
  margin: 0 0 8px;
  color: #111827;
  font-size: 30px;
  line-height: 1.2;
}

.kda-subtitle {
  margin: 0 0 20px;
  color: #4b5563;
}

.kda-form {
  display: grid;
  gap: 10px;
}

.kda-form label {
  font-weight: 600;
  color: #1f2937;
}

.kda-form textarea,
.kda-form input {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 12px;
  font-size: 15px;
  box-sizing: border-box;
}

.kda-form textarea:focus,
.kda-form input:focus {
  outline: 2px solid #3b82f6;
  border-color: #3b82f6;
}

#kda-analyze-btn {
  margin-top: 6px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
}

#kda-analyze-btn:hover {
  background: #1d4ed8;
}

#kda-analyze-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.kda-message {
  margin-top: 16px;
  font-weight: 600;
}

.kda-message.error {
  color: #b91c1c;
}

.kda-message.success {
  color: #065f46;
}

.kda-results {
  margin-top: 22px;
  display: grid;
  gap: 16px;
}

.kda-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.kda-metric-box {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 12px;
  background: #f9fafb;
}

.kda-metric-label {
  font-size: 12px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kda-metric-value {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  margin-top: 5px;
}

.kda-section {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
}

.kda-section h3 {
  margin: 0;
  padding: 12px 14px;
  background: #f3f4f6;
  color: #111827;
  font-size: 16px;
}

.kda-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.kda-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 360px;
}

.kda-table th,
.kda-table td {
  border-top: 1px solid #e5e7eb;
  padding: 10px 12px;
  text-align: left;
  font-size: 14px;
}

.kda-table th {
  background: #f9fafb;
  color: #374151;
  font-weight: 700;
}

.kda-gemini ul {
  margin: 0;
  padding-left: 20px;
}

.kda-gemini p {
  margin: 8px 0 0;
}

@media (max-width: 680px) {
  .kda-card {
    padding: 16px;
  }

  .kda-card h2 {
    font-size: 24px;
  }
}