/* Merchant API integration panel */
.merchant-api-panel {
  padding: 2rem 1rem 3rem;
  background: linear-gradient(180deg, #f7fafc 0%, #f0f5f8 100%);
}

.merchant-api-panel .section-heading {
  font-weight: 700;
  font-size: 1.5rem;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.merchant-api-panel .section-heading i {
  color: #16a34a;
}

.merchant-api-panel .api-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  padding: 1.5rem;
  height: 100%;
}

.merchant-api-panel .api-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #111827;
}

.merchant-api-panel .api-card p {
  color: #6b7280;
  margin-bottom: 1.25rem;
}

.merchant-api-panel .form-group {
  margin-bottom: 1rem;
}

.merchant-api-panel label {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.35rem;
  display: block;
}

.merchant-api-panel input,
.merchant-api-panel select,
.merchant-api-panel textarea {
  width: 100%;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: #fff;
}

.merchant-api-panel input:focus,
.merchant-api-panel select:focus,
.merchant-api-panel textarea:focus {
  outline: none;
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}

.merchant-api-panel select[multiple] {
  min-height: 140px;
}

.merchant-api-panel .btn-primary {
  background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
  border: none;
  color: #fff;
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  width: 100%;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.merchant-api-panel .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(22, 163, 74, 0.25);
}

.merchant-api-panel .helper {
  font-size: 0.875rem;
  color: #6b7280;
}

.merchant-api-panel .status-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  display: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.merchant-api-panel .status-success {
  display: block;
  background: #ecfdf3;
  border-color: #bbf7d0;
  color: #166534;
}

.merchant-api-panel .status-error {
  display: block;
  background: #fef2f2;
  border-color: #fecdd3;
  color: #b91c1c;
}

.merchant-api-panel .status-info {
  display: block;
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

/* Layout for split pages */
.merchant-shell {
  min-height: 100vh;
  background: #f8fafc;
}

.sidebar {
  background: #0f172a;
  color: #fff;
  min-height: 100vh;
  padding: 1.5rem 1rem;
}

.sidebar-header {
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.25rem;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
  background: rgba(16, 185, 129, 0.2);
  color: #22c55e;
}

.status-message {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  margin-bottom: 1rem;
}

.status-success {
  background: #ecfdf3;
  border-color: #bbf7d0;
  color: #166534;
}

.status-error {
  background: #fef2f2;
  border-color: #fecdd3;
  color: #b91c1c;
}

.status-info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.table-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid #e5e7eb;
}

.merchant-api-panel .list-group {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
}

.merchant-api-panel .list-group-item {
  border: none;
  border-bottom: 1px solid #e5e7eb;
  font-weight: 600;
  color: #111827;
}

.merchant-api-panel .list-group-item small {
  display: block;
  color: #6b7280;
  font-weight: 500;
}

@media (max-width: 768px) {
  .merchant-api-panel {
    padding: 1.25rem 0.75rem;
  }

  .merchant-api-panel .api-card {
    margin-bottom: 1rem;
  }
}