/* ViewLingo — 인터랙티브 뷰파인더 데모
 *
 * 오버레이 외형은 앱의 실제 렌더링 규칙을 따른다:
 *   흰 배경 + 검은 텍스트 (앱은 대비 확보를 위해 항상 이 조합)
 *   모서리 --r-pill, 뷰파인더 테두리 --r-window
 * 색·radius 는 assets/tokens.css (DesignSystem.swift 생성물) 에서만 가져온다.
 */

.try-demo {
  /* 앱 설정창과 동일한 표면 그라디언트 — tokens.css 값 그대로 */
  background: linear-gradient(180deg, var(--c-surface-light-top), var(--c-surface-light-bottom));
  border-top: 1px solid #e7ebf3;
  border-bottom: 1px solid #e7ebf3;
}
.try-demo h2 { color: #1c1f24; }

.vl-demo {
  --vl-viewfinder: var(--c-brand-green-mid);
  max-width: 860px;
  margin: 0 auto;
}

.vl-demo__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-l);
  margin-bottom: var(--s-l);
  font-size: 0.9rem;
  color: #555;
}

.vl-demo__langs {
  display: flex;
  align-items: center;
  gap: var(--s-m);
}

.vl-demo__pill {
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: #eef2f7;
  font-weight: 600;
  color: #333;
}

.vl-demo__arrow { opacity: 0.5; }

.vl-demo__reset {
  margin-left: auto;
  padding: 6px 14px;
  border: 1px solid #d5dbe4;
  border-radius: var(--r-card);
  background: #fff;
  font: inherit;
  font-size: 0.85rem;
  color: #333;
  cursor: pointer;
}
.vl-demo__reset:hover { background: #f4f7fb; }
.vl-demo__reset:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* ── 가짜 화면 ── */
.vl-demo__screen {
  position: relative;
  border-radius: var(--r-window);
  overflow: hidden;
  background: #fff;
  border: 1px solid #dfe4ec;
  box-shadow: 0 10px 30px rgba(20, 30, 60, 0.10);
  cursor: crosshair;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
}

.vl-demo__chrome {
  display: flex;
  align-items: center;
  gap: var(--s-m);
  padding: var(--s-m) var(--s-l);
  background: #f6f7f9;
  border-bottom: 1px solid #e6e9ef;
}
.vl-demo__dot { width: 10px; height: 10px; border-radius: 50%; background: #d9dde4; }
.vl-demo__url {
  flex: 1;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: #fff;
  border: 1px solid #e6e9ef;
  font-size: 0.75rem;
  color: #8a919c;
  text-align: center;
}

.vl-demo__content { padding: 26px 30px 32px; }

.vl-seg {
  position: relative;
  display: block;
  margin: 0 0 0.85em;
  color: #1c1f24;
  line-height: 1.55;
}
.vl-seg--headline { font-size: 1.35rem; font-weight: 700; line-height: 1.35; }
.vl-seg--meta { font-size: 0.8rem; color: #8a919c; }
.vl-seg--body { font-size: 0.98rem; }

/* ── 드래그 사각형 (앱 뷰파인더 모사) ── */
.vl-demo__rect {
  position: absolute;
  border: 2px solid var(--vl-viewfinder);
  border-radius: var(--r-control);
  background: rgba(78, 175, 96, 0.08);
  pointer-events: none;
  display: none;
  z-index: 3;              /* 뷰파인더 테두리는 항상 오버레이 위 */
}
.vl-demo__rect::before,
.vl-demo__rect::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--vl-viewfinder);
}
.vl-demo__rect--locked { background: rgba(78, 175, 96, 0.05); }

.vl-demo__rect::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; border-radius: var(--r-card-small) 0 0 0; }
.vl-demo__rect::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; border-radius: 0 0 var(--r-card-small) 0; }

/* ── 번역 오버레이 ── */
.vl-overlay {
  position: absolute;
  background: #fff;
  color: #111;
  border-radius: var(--r-pill);
  padding: 1px 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
  display: flex;
  align-items: center;
  line-height: 1.35;
  animation: vl-reveal 0.26s ease both;
  pointer-events: none;
  z-index: 2;
}
/* 캡처 직후 — OCR·번역 전 스켈레톤 (앱과 동일한 중간 상태) */
.vl-overlay--pending {
  background: rgba(142, 142, 147, 0.22);
  box-shadow: none;
  animation: vl-pulse 1s ease-in-out infinite;
}
@keyframes vl-pulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.9; }
}

.vl-overlay--filled { animation: vl-fill 0.22s ease both; }
@keyframes vl-fill {
  from { opacity: 0.3; }
  to   { opacity: 1; }
}

.vl-demo__hint {
  position: absolute;
  inset: auto 0 var(--s-xl) 0;
  text-align: center;
  font-size: 0.85rem;
  color: #7a828e;
  pointer-events: none;
  transition: opacity 0.25s;
}
.vl-demo--used .vl-demo__hint { opacity: 0; }

.vl-demo__note {
  margin-top: var(--s-l);
  text-align: center;
  font-size: 0.82rem;
  color: #8a919c;
}

@media (max-width: 640px) {
  .vl-demo__content { padding: 18px 18px 24px; }
  .vl-seg--headline { font-size: 1.1rem; }
  .vl-seg--body { font-size: 0.9rem; }
  .vl-overlay { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  .vl-overlay, .vl-overlay--pending, .vl-overlay--filled { animation: none; }
}

/* 시뮬레이션 고지 */
.vl-demo__note strong { color: #6b7280; font-weight: 700; }
.vl-demo__diff {
  max-width: 640px;
  margin: var(--s-l) auto 0;
  padding: var(--s-l) var(--s-xl);
  border: 1px solid #e3e8f0;
  border-radius: var(--r-group-box);
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #6b7280;
  text-align: left;
}
.vl-demo__diff li { margin: 2px 0; }
.vl-demo__diff ul { margin: var(--s-s) 0 0; padding-left: 1.1rem; }