.phase-summary {
  position: absolute; inset: 28px 18% 18%; display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 24px; text-align: center;
  font: 16px/1.65 var(--design-font); color: var(--design-text);
}
.phase-intro { margin: 0; }
.phase-summary button, .dialog-apply {
  padding: 13px 23px; border: 1px solid var(--design-border); border-radius: var(--design-radius);
  background: var(--design-glass); color: var(--design-text); font: 500 14px var(--design-font); cursor: pointer;
}
.phase-summary button:hover, .dialog-apply:hover { background: #ffffff28; }
.phase-save-status { margin: 0; font-size: 12px; opacity: .8; }
.phase-save-status:empty { display: none; }
.briefing-card { touch-action: pan-x pinch-zoom; }
main[data-page='projects'] { touch-action: pan-x pinch-zoom; }
.phase-navigation {
  position: fixed; z-index: 6; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: grid; grid-template-columns: 36px 50px 36px; gap: 5px; align-items: center;
  text-align: center; color: var(--design-text); font: 12px var(--design-font);
}
.phase-navigation[hidden] { display: none; }
.phase-navigation button { height: 34px; border: 1px solid var(--design-border); border-radius: 8px; background: var(--design-glass); color: inherit; cursor: pointer; }
.phase-navigation button:disabled { opacity: .3; cursor: default; }
.phase-navigation small { grid-column: 1/-1; white-space: nowrap; font-size: 10px; opacity: .75; }
.briefing-dialog {
  --modal-gap: clamp(12px, 3vw, 40px);
  position: fixed; inset: 0; margin: auto;
  width: calc(100% - var(--modal-gap) * 2); max-width: 1280px;
  height: calc(100vh - var(--modal-gap) * 2); height: calc(100dvh - var(--modal-gap) * 2);
  max-height: calc(100dvh - var(--modal-gap) * 2);
  padding: 0; border: 1px solid var(--design-border); border-radius: clamp(12px, 2vw, 24px);
  background: #1b2030; color: var(--design-text); font-family: var(--design-font);
  box-shadow: 0 28px 100px #0008; overflow: hidden;
}
.briefing-dialog[open] { display: flex; flex-direction: column; }
 .briefing-dialog::backdrop {
  background: var(--dialog-veil); opacity: var(--dialog-progress, 1);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.briefing-dialog { background: var(--dialog-fill); }
body[data-design='performance'] .briefing-dialog { border-radius: 6px; }
body[data-design='power'] .briefing-dialog { border-radius: 0; }
.briefing-dialog-header, .briefing-dialog footer {
  flex: 0 0 auto; padding: 22px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--design-glass); border-bottom: 1px solid var(--design-border);
}
.briefing-dialog-header p { margin: 0 0 6px; opacity: .7; font-size: 12px; }
.briefing-dialog-header h2 { margin: 0; font-size: clamp(20px, 3vw, 28px); font-weight: 500; }
.dialog-close { flex: 0 0 44px; width: 44px; height: 44px; border: 1px solid var(--design-border); border-radius: 50%; background: transparent; color: inherit; font: 28px/1 sans-serif; cursor: pointer; }
.briefing-dialog-body { flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; padding: 28px; }
.briefing-dialog .briefing-content { position: static; max-width: 920px; margin: 0 auto; overflow: visible; gap: 16px; padding: 0; font-size: 15px; }
.briefing-dialog .briefing-dropzone { width: 230px; height: 230px; flex-basis: 230px; }
.briefing-dialog .drop-formats { font-size: 10px; max-width: 160px; }
.briefing-dialog textarea { min-height: 130px; flex-basis: 130px; }
.briefing-dialog footer { border-top: 1px solid var(--design-border); border-bottom: 0; }
.briefing-dialog footer span { font-size: 11px; opacity: .65; }
.briefing-modal-open { overflow: hidden; }
.dialog-source-hidden { visibility: hidden; }
.briefing-dialog.dialog-in-flight { overflow: visible; background: transparent!important; border-color: transparent; box-shadow: none; filter: none; }
.dialog-in-flight > :not(.dialog-flight-shell) { visibility: hidden; }
.dialog-flight-shell {
  position: fixed; pointer-events: none; transform-origin: center; will-change: transform;

}
.dialog-flight {
  position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible;
  background: transparent; border: 0;
  box-shadow: none;
}

.dialog-flight-outline { position:absolute;inset:0;width:100%;height:100%;pointer-events:none; }


.dialog-flight .dialog-flight-card,
.dialog-flight-workspace { position:absolute!important;left:0;top:0;transform-origin:0 0;visibility:visible; }
.dialog-flight-workspace { display:flex;flex-direction:column; background:var(--dialog-fill); }
.dialog-flight-workspace[hidden],.dialog-flight-card[hidden] { display:none!important; }
.dialog-flight-card * { animation:none!important; }
.dialog-flight-workspace .briefing-dialog-body { flex:1;min-height:0; }
.briefing-dialog button:focus-visible, .phase-summary button:focus-visible, .phase-navigation button:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
@media (max-width: 600px) {
  .phase-summary { inset: 8px 17% 18%; gap: 10px; font-size: 12px; line-height: 1.45; }
  .phase-summary button { padding: 10px 14px; font-size: 12px; }
  .phase-navigation { bottom: 145px; }
  .briefing-dialog-header, .briefing-dialog footer { padding: 16px; gap: 12px; }
  .briefing-dialog-body { padding: 20px 16px; }
  .briefing-dialog footer span { max-width: 45%; }
}
@supports (padding: max(0px)) {
  .briefing-dialog { max-height: calc(100dvh - max(12px, env(safe-area-inset-top)) - max(12px, env(safe-area-inset-bottom))); }
}
@media (max-width: 600px) {
  .back-to-start { left: 16px; bottom: 24px; padding: 12px 8px; max-width: 112px; font-size: 12px; text-align: center; }
}

/* Each face owns its material. The shared contour never adds a third fill.
   Switching faces edge-on also switches materials, in both directions. */
.dialog-flight-outline { z-index: 2; }

/* Shadows never flatten/rasterize the text layer. */
.dialog-flight-shadow {
  position:absolute; inset:0; width:100%; height:100%; overflow:visible;
  opacity:var(--flight-shadow, 0); filter:blur(50px);
  transform:translateY(var(--flight-shadow-y, 28px)); pointer-events:none;
}
.dialog-flight-shell.is-landing { will-change:auto; }
.dialog-flight-workspace { box-sizing:border-box; padding:1px; }

.dialog-flight-divider {
  position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--design-border); pointer-events:none;
}

.runtime-status { position:fixed;left:24px;bottom:24px;color:var(--design-text);font:14px var(--design-font); }
.runtime-status:empty { display:none; }

.runtime-audio-toggle {
  position:fixed;top:24px;right:24px;z-index:9;padding:10px 16px;border:1px solid var(--design-border);
  border-radius:var(--design-radius);background:var(--design-glass);color:var(--design-text);font:14px var(--design-font);
}