.inv-modal .modal-content {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.inv-modal .modal-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  border-bottom: none;
  padding: 1.1rem 1.4rem;
}

.inv-modal .modal-header .modal-title {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.inv-modal .modal-header .btn-close {
  filter: invert(1);
  opacity: 0.7;
}

.inv-modal .modal-body {
  background: #f8fafc;
  padding: 1.25rem 1.4rem;
}

.inv-modal .modal-footer {
  background: #f8fafc;
  border-top: none;
  padding: 0.75rem 1.4rem 1.1rem;
}

.inv-modal-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  font-weight: 800;
  margin-bottom: 0.3rem;
  display: block;
}

.inv-modal .form-control,
.inv-modal .form-select {
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.inv-modal .form-control:focus,
.inv-modal .form-select:focus {
  border-color: #00b4d8;
  box-shadow: 0 0 0 0.2rem rgba(0, 180, 216, 0.18);
}

.inv-modal .input-group-text {
  border-radius: 10px 0 0 10px;
  background: #f1f5f9;
  border-color: #e2e8f0;
  color: #64748b;
}

.inv-modal .input-group .form-control {
  border-radius: 0 10px 10px 0;
}

.inv-modal-hint {
  font-size: 0.74rem;
  color: #64748b;
  margin-top: 0.3rem;
}

.inv-modal-alert {
  border-radius: 10px;
  font-size: 0.8rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.inv-modal-alert.info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

.inv-modal-alert.warn {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #9a3412;
}

.inv-modal-alert.ok {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.inv-modal-primary {
  background: linear-gradient(135deg, #0077b6 0%, #0096c7 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  padding: 0.6rem 1.25rem;
  box-shadow: 0 6px 16px rgba(0, 119, 182, 0.25);
  transition: filter 0.12s ease, transform 0.12s ease;
}

.inv-modal-primary:hover {
  color: #fff;
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.inv-modal-primary:active {
  transform: translateY(0) scale(0.98);
}

.inv-modal-primary:disabled {
  opacity: 0.6;
  transform: none;
}

.inv-modal-ghost {
  background: #fff;
  border: 1px solid #e2e8f0;
  color: #334155;
  border-radius: 10px;
  font-weight: 600;
  padding: 0.55rem 1rem;
  transition: transform 0.12s ease, border-color 0.12s ease, background-color 0.12s ease;
}

.inv-modal-ghost:hover {
  border-color: #94a3b8;
  background: #f8fafc;
  transform: translateY(-1px);
}

.inv-modal-chip {
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #334155;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.12s ease;
}

.inv-modal-chip:hover {
  border-color: #7dd3fc;
  background: #f0f9ff;
  transform: translateY(-1px);
}