:root {
  --modal-z: 1050;
  --modal-bg: rgba(0,0,0,0.5);
  --modal-width: 540px;
  --modal-radius: 20px;
  --modal-padding: 1rem;
  --modal-transition: 220ms ease;
}

/* BACKDROP */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--modal-bg);
  opacity: 0;
  transition: opacity var(--modal-transition);
  z-index: 900;
  display: none;
}

.modal-backdrop.show {
  display: block;
  opacity: 1;
}

/* MODAL WRAPPER */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  align-items: flex-start;   /* верхний отступ */
  justify-content: center;
  padding-top: 50px;
  z-index: calc(var(--modal-z) + 1);
  pointer-events: none;
}

.modal.show {
  display: flex;
  pointer-events: auto;
}

/* MODAL DIALOG */
.modal-dialog {
  position: relative;
  z-index: 1000;
  width: min(var(--modal-width), calc(100% - 32px));
  background: #fff;
  border-radius: var(--modal-radius);
  box-shadow: 0 6px 30px rgba(10,10,10,0.2);
  max-height: 90vh;
  overflow: hidden;
  color: #004867;
  padding: 40px 30px;
  
  transform: translateY(-20px) scale(0.98);
  opacity: 0;
  transition: transform var(--modal-transition), opacity var(--modal-transition);
}

.modal.show .modal-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* HEADER / BODY / FOOTER */
.modal-header,
.modal-footer {
  padding: var(--modal-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.modal-body { 
  color: #6c757d;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 15px 1rem 15px 1rem;
}

.modal-title { 
  font-weight: 600;
  margin: 0; 
}

.btn-close {
  position: absolute;
  top: 35px;
  right: 35px;
  background: transparent;
  border: none;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

[data-modal] {
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}

[data-modal].show {
  opacity: 1;
  visibility: visible;
}

[data-modal] .modal-dialog {
  transform: translateY(-20px);
  transition: transform .3s ease;
}

[data-modal].show .modal-dialog {
  transform: translateY(0);
}

[data-modal-backdrop] {
  opacity: 0;
  transition: opacity .3s ease;
}

[data-modal-backdrop].show {
  opacity: 1;
}

@media (max-width:900px) {
  .modal-dialog {
   padding: 20px 15px;
  }

  .modal {
    padding-top: 20px;
  } 

  .btn-close {
    top: 20px;
  right: 20px;
  }
}


@media (max-width: 480px) {
  :root { --modal-width: calc(100% - 24px); }
}