:root {
  --dia-dialog-viewport-height: 100dvh;
  --dia-dialog-viewport-width: 100vw;
  --dia-dialog-viewport-top: 0px;
  --dia-dialog-viewport-left: 0px;
  --dia-dialog-safe-top: max(12px, env(safe-area-inset-top, 0px));
  --dia-dialog-safe-right: max(12px, env(safe-area-inset-right, 0px));
  --dia-dialog-safe-bottom: max(12px, env(safe-area-inset-bottom, 0px));
  --dia-dialog-safe-left: max(12px, env(safe-area-inset-left, 0px));
}

html.dia-dialog-locked,
body.dia-dialog-locked {
  overflow: hidden;
  overscroll-behavior: none;
}

.dia-dialog-overlay {
  box-sizing: border-box;
  position: fixed;
  top: var(--dia-dialog-viewport-top);
  left: var(--dia-dialog-viewport-left);
  z-index: 99998;
  display: grid;
  width: var(--dia-dialog-viewport-width);
  max-width: 100vw;
  height: var(--dia-dialog-viewport-height);
  max-height: 100dvh;
  padding: var(--dia-dialog-safe-top) var(--dia-dialog-safe-right)
    var(--dia-dialog-safe-bottom) var(--dia-dialog-safe-left);
  overflow-x: hidden;
  overflow-y: auto;
  place-items: start center;
  background: rgba(0, 0, 0, 0.58);
  overscroll-behavior: contain;
  touch-action: pan-y;
}

.dia-dialog-overlay[hidden] {
  display: none !important;
}

.dia-dialog-panel {
  box-sizing: border-box;
  position: relative;
  inline-size: min(100%, 760px);
  max-inline-size: 100%;
  min-inline-size: 0;
  margin-inline: auto;
  overflow-x: hidden;
  background: var(--surface, #12151b);
  border: 1px solid var(--line2, #232936);
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
}

.dia-dialog-panel--frame {
  display: flex;
  flex-direction: column;
  block-size: min(900px, calc(var(--dia-dialog-viewport-height) - var(--dia-dialog-safe-top) - var(--dia-dialog-safe-bottom)));
  min-block-size: 320px;
}

.dia-dialog-header {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  min-block-size: 52px;
  padding: 4px 6px 4px 14px;
  border-bottom: 1px solid var(--line2, #232936);
}

.dia-dialog-title {
  flex: 1;
  min-inline-size: 0;
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dia-dialog-close {
  display: grid;
  position: relative;
  flex: 0 0 44px;
  inline-size: 44px;
  block-size: 44px;
  padding: 0;
  color: inherit;
  font-size: 0;
  line-height: 1;
  background: transparent;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  place-items: center;
}

.dia-dialog-close::before,
.dia-dialog-close::after {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  inline-size: 22px;
  block-size: 2.5px;
  content: "";
  background: currentColor;
  border-radius: 999px;
  transform: translate(-50%, -50%) rotate(45deg);
  transform-origin: center;
}

.dia-dialog-close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.dia-dialog-close:hover,
.dia-dialog-close:focus-visible {
  background: var(--surface2, #252230);
  outline: none;
}

.dia-dialog-frame {
  box-sizing: border-box;
  display: block;
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  border: 0;
}

/* Legacy bridge: these selectors keep existing Machine editors inside the viewport
   while each window is migrated to DiaDialog in later, small PRs. */
html .editor-ov,
html .confirm-ov,
html #mrgModal {
  box-sizing: border-box;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  overscroll-behavior: contain;
}

html .editor-modal,
html .confirm-bx,
html #mrgBox {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-inline: auto;
}

html .editor-modal *,
html .confirm-bx *,
html #mrgBox *,
.dia-dialog-panel * {
  max-inline-size: 100%;
}

html .editor-modal :is(input, select, textarea),
html .confirm-bx :is(input, select, textarea),
html #mrgBox :is(input, select, textarea) {
  min-width: 0;
}

@media (max-width: 620px) {
  :root {
    --dia-dialog-safe-top: env(safe-area-inset-top, 0px);
    --dia-dialog-safe-right: env(safe-area-inset-right, 0px);
    --dia-dialog-safe-bottom: env(safe-area-inset-bottom, 0px);
    --dia-dialog-safe-left: env(safe-area-inset-left, 0px);
  }

  .dia-dialog-panel--frame {
    inline-size: 100%;
    block-size: var(--dia-dialog-viewport-height);
    max-block-size: var(--dia-dialog-viewport-height);
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  html .editor-ov,
  html .confirm-ov,
  html #mrgModal {
    padding: max(8px, env(safe-area-inset-top, 0px))
      max(8px, env(safe-area-inset-right, 0px))
      max(8px, env(safe-area-inset-bottom, 0px))
      max(8px, env(safe-area-inset-left, 0px));
  }

  html .editor-modal .editor,
  html .confirm-bx,
  html #mrgBox {
    padding: 14px;
    overflow-wrap: anywhere;
    border-radius: 12px;
  }

  html .editor-modal .closex {
    top: 6px;
    right: 6px;
    display: grid;
    width: 44px;
    height: 44px;
    padding: 0;
    place-items: center;
  }
}

@media (max-height: 480px) and (orientation: landscape) {
  .dia-dialog-panel--frame {
    min-block-size: 0;
    block-size: var(--dia-dialog-viewport-height);
    border-radius: 0;
  }
}