:root{
  --modal-radius: 20px;
}

.modal{
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;

  /* umo�n� scroll kdy� je modal vy��� ne� viewport */
  overflow-y: auto;
}

.modal.is-open{
  display: block;
}

.modal__backdrop{
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}

/* panel */
.modal__panel{
  position: relative;
  z-index: 2;

  width: min(860px, calc(100% - 39px));
  margin: 4vh auto;

  max-height: 90vh;

  border-radius: var(--modal-radius);

  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.20);

  box-shadow: 0 40px 140px rgba(0,0,0,.65);
  backdrop-filter: blur(22px) saturate(185%);

  display: flex;
  flex-direction: column;

  overflow: hidden;

  -webkit-overflow-scrolling: touch;
}

.modal__panel::before{
  content:"";
  position:absolute;
  inset:-3px;

  background:
    radial-gradient(
      700px 240px at 15% 0%,
      rgba(109,94,247,.40),
      transparent 58%
    ),
    radial-gradient(
      600px 240px at 95% 10%,
      rgba(96,165,250,.26),
      transparent 60%
    );

  opacity:.9;
  pointer-events:none;
}

/* header */
.modal__header{
  position: relative;

  display:flex;
  align-items:center;
  justify-content:space-between;

  padding: 18px 18px 10px;

  flex-shrink: 0;
}

.modal__title{
  font-weight:900;
  font-size:18px;
  letter-spacing:.2px;

  text-shadow:
    0 1px 0 rgba(255,255,255,.06),
    0 0 26px rgba(109,94,247,.28);
}

.modal__close{
  border:0;

  background: rgba(255,255,255,.10);
  color: var(--text);

  width: 38px;
  height: 38px;

  border-radius: 12px;
  cursor:pointer;

  border: 1px solid rgba(255,255,255,.20);

  transition: .15s ease;
}

.modal__close:hover{
  box-shadow: 0 0 0 4px rgba(109,94,247,.25);
}

/* body */
.modal__body{
  position: relative;

  padding: 0 18px 18px;

  flex: 1;
  min-height: 0;

  overflow-y: auto;
  overflow-x: hidden;

  overscroll-behavior: contain;

  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

/* scrollbar */
.modal__body::-webkit-scrollbar{
  width: 35px;
}

.modal__body::-webkit-scrollbar-track{
  background: transparent;
}

.modal__body::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.30);
  border-radius: 999px;
  border: 25px solid transparent;
  background-clip: padding-box;
}

.modal__body::-webkit-scrollbar-thumb:hover{
  background: rgba(255,255,255,.28);
}

/* rows */
.row{
  display:flex;
  gap:12px;
}

.row .field{
  flex:1;
}

/* fields */
.field{
  display:flex;
  flex-direction:column;
  gap:8px;

  font-weight:700;
}

.field__label{
  color: rgba(234,240,255,.85);
  font-size:12px;
}

.field__input{
  width:100%;

  padding:7px 7px;

  border-radius:14px;

  border:1px solid rgba(255,255,255,.20);

  background: rgba(255,255,255,.06);
  color: var(--text);

  outline:none;

  transition: .15s ease;
}

.field__input:focus{
  box-shadow: 0 0 0 4px rgba(96,165,250,.25);
  border-color: rgba(96,165,250,.45);
}

.field--radio .field__label{
  margin-bottom:2px;
}

/* radio */
.radio{
  display:flex;
  align-items:center;
  gap:10px;

  padding:10px 12px;

  border-radius:14px;

  border:1px solid rgba(255,255,255,.16);

  background: rgba(255,255,255,.05);

  cursor:pointer;
  margin-top:6px;

  transition: .15s ease;
}

.radio:hover{
  background: rgba(255,255,255,.08);
}

.radio input{
  width:16px;
  height:16px;
}

/* footer */
.modal__footer{
  margin-top:6px;
}

/* mobile */
@media (max-width: 520px){

  .row{
    flex-direction:column;
  }

  .modal__panel{
    width: calc(100% - 20px);
    margin: 10px auto;
    max-height: calc(100dvh - 20px);
  }
}

/* scroll controls */
.modal__scroll{
  position:relative;
  flex:1;
  min-height:0;
  max-height: calc(90vh - 66px);

  display:flex;
  flex-direction:column;

  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  touch-action:pan-y;
  scrollbar-width:auto;
  scrollbar-color: rgba(255,255,255,.34) transparent;
  padding-right:4px;
}

.modal__scroll .modal__body{
  flex:0 0 auto;
  overflow:visible;
  min-height:auto;
  padding-right:26px;
}

.modal__scroll::-webkit-scrollbar{
  width:18px;
}

.modal__scroll::-webkit-scrollbar-track{
  background:rgba(255,255,255,.08);
  border-radius:999px;
}

.modal__scroll::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.42);
  border-radius:999px;
  border:5px solid transparent;
  background-clip:padding-box;
}

.modal__scroll::-webkit-scrollbar-thumb:hover{
  background:rgba(255,255,255,.55);
  background-clip:padding-box;
}

@media (max-width: 520px){
  .modal__scroll{
    max-height: calc(100dvh - 84px);
    padding-right:6px;
  }

  .modal__scroll .modal__body{
    padding-right:28px;
  }
}

.modal__scroll-controls{
  position:absolute;

  right:12px;
  top:12px;

  display:flex;
  flex-direction:column;
  gap:8px;

  z-index:2;
  pointer-events:auto;
}

.scroll-btn{
  width:40px;
  height:40px;

  border-radius:14px;

  border:1px solid rgba(255,255,255,.20);

  background: rgba(255,255,255,.08);
  color: var(--text);

  cursor:pointer;

  font-weight:900;
  line-height:1;

  display:flex;
  align-items:center;
  justify-content:center;

  transition:
    transform .12s ease,
    filter .12s ease,
    box-shadow .12s ease;
}

.scroll-btn:hover{
  transform: translateY(-1px);

  filter: brightness(1.08);

  box-shadow: 0 0 0 4px rgba(109,94,247,.20);
}

.scroll-btn:active{
  transform: translateY(0);
}