/* =========================================================
   MODAL – Base
   ========================================================= */

.modal{
  position: fixed;
  inset: 0;
  background: #fff; /* mobile full-screen */
  display: none;
  z-index: 2000;

  /* UX */
  overscroll-behavior: contain;
}

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

/* trava scroll da página */
body.modal-open{
  overflow: hidden;
  touch-action: none;
}

/* =========================================================
   MODAL – Estrutura
   ========================================================= */

.modal-sheet{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
}

/* topo */
.modal-top{
  height: 52px;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  z-index: 2;
}

.modal-top strong{
  font-size: 13px;
  font-weight: 700;
}

/* botão fechar (texto) */
.link-close{
  background: transparent;
  border: 0;
  font-weight: 700;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
  padding: 6px;
}

/* botão invisível (acessibilidade / binding JS) */
.modal-close{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* =========================================================
   IFRAME
   ========================================================= */

.modal iframe{
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

/* =========================================================
   DESKTOP / TABLET
   ========================================================= */

@media (min-width: 860px){

  .modal{
    display: none;
    background: rgba(0,0,0,.45);

    align-items: center;
    justify-content: center;
  }

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

  .modal-sheet{
    width: min(560px, 92vw);
    height: min(92vh, 900px);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: modalIn .22s ease-out;
  }
}

/* =========================================================
   ANIMAÇÃO (desktop)
   ========================================================= */

@keyframes modalIn{
  from{
    opacity: 0;
    transform: translateY(8px) scale(.98);
  }
  to{
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* =========================================================
   ACESSIBILIDADE
   ========================================================= */

.modal:focus{
  outline: none;
}

.link-close:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* =========================================================
   SEGURANÇA MOBILE (iOS)
   ========================================================= */

/* impede scroll do fundo mas mantém iframe funcional */
.modal.is-open{
  overscroll-behavior: contain;
}