.dialog {
  position: fixed;
  z-index: var(--z-modal, 100);
  inset: 0;
  width: min(560px, calc(100% - 2rem));
  max-height: min(90dvh, 760px);
  margin: auto;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  color: var(--text, currentColor);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dialog:not([open]) {
  display: none;
}

.dialog[hidden] {
  display: none;
}

.dialog__panel {
  display: flex;
  flex-direction: column;
  max-height: inherit;
  min-height: 0;
  overflow: hidden;
  border: var(--border-width-strong, 1.5px) solid var(--border, currentColor);
  border-radius: var(--radius-xl, 14px);
  background: var(--panel, transparent);
  box-shadow: var(--card-shadow, none);
}

.dialog__header {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-7, 1rem);
  padding: var(--space-8, 1.25rem) var(--space-9, 1.5rem);
  border-bottom: var(--border-width, 1px) solid var(--border-soft, var(--border, currentColor));
}

.dialog__title {
  margin: 0;
  color: var(--text, currentColor);
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.dialog__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target, 44px);
  min-width: var(--touch-target, 44px);
  height: var(--touch-target, 44px);
  padding: 0;
  border: var(--border-width-strong, 1.5px) solid var(--border, currentColor);
  border-radius: var(--radius-sm, 6px);
  background: transparent;
  color: var(--muted, currentColor);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.dialog__close svg {
  display: block;
  width: 1rem;
  height: 1rem;
}

.dialog__close:hover {
  border-color: var(--accent-muted, var(--border, currentColor));
  background: var(--surface, transparent);
  color: var(--text, currentColor);
}

.dialog__close:focus-visible {
  outline: 2px solid var(--focus-ring-color, currentColor);
  outline-offset: 2px;
}

.dialog__body {
  flex: 1 1 auto;
  display: grid;
  gap: var(--space-7, 1rem);
  align-content: start;
  min-height: 0;
  padding: var(--space-8, 1.25rem) var(--space-9, 1.5rem);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.dialog__footer {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3, 0.5rem);
  padding: var(--space-6, 0.875rem) var(--space-9, 1.5rem);
  border-top: var(--border-width, 1px) solid var(--border-soft, var(--border, currentColor));
  background: var(--panel, transparent);
}

.dialog--sm {
  width: min(420px, calc(100% - 2rem));
}

.dialog--md {
  width: min(560px, calc(100% - 2rem));
}

.dialog--lg {
  width: min(860px, calc(100% - 2rem));
}

.dialog--full {
  width: calc(100% - 1rem);
  height: calc(100dvh - 1rem);
  max-height: calc(100dvh - 1rem);
}

.dialog-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .dialog,
  .dialog--sm,
  .dialog--md,
  .dialog--lg {
    width: calc(100% - 1rem);
    max-height: calc(100dvh - 1rem);
  }

  .dialog__header,
  .dialog__body,
  .dialog__footer {
    padding-inline: var(--space-8, 1.25rem);
  }

  .dialog__footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .dialog__footer .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dialog__close {
    transition: none !important;
  }
}

.dialog--full {
  width: calc(100vw - var(--space-4, 1rem));
  height: calc(100dvh - var(--space-4, 1rem));
}

.dialog__frame {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 60dvh;
  border: 0;
  background: var(--panel, #ffffff);
}