/* 관제 화면 데모 */
.demo-page { background: #0e1415; color: #fff; padding: 56px 0 88px; min-height: 100vh; }
.demo-page .crumb { color: rgba(255,255,255,.5); }
.demo-page .crumb a { color: rgba(255,255,255,.7); }
.demo-page .eyebrow { color: var(--brand-light, #4fd1a1); }
.demo-page .eyebrow::before { background: var(--brand-light, #4fd1a1); }
.demo-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.demo-head h1 { font-size: 34px; font-weight: 700; letter-spacing: -0.01em; }
.demo-lead { margin-top: 12px; font-size: 16px; color: rgba(255,255,255,.72); max-width: 560px; }
.demo-controls { display: flex; gap: 8px; }
.demo-controls .btn-line { color: #fff; border-color: rgba(255,255,255,.45); background: transparent; }
.demo-controls .btn-line:hover { background: #fff; color: var(--ink); }

/* 화면 프레임 */
.demo-stage { background: #151d1f; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 18px; }
.shot-frame { background: #fff; border-radius: 10px; overflow: hidden; }
.shot-top { display: flex; align-items: center; gap: 6px; padding: 11px 16px; border-bottom: 1px solid var(--line); background: #fafbfb; }
.shot-top i { width: 9px; height: 9px; border-radius: 50%; background: #dde2e5; }
.shot-top em { margin-left: 10px; font-style: normal; font-size: 12.5px; color: var(--mute); font-family: var(--font-en); }
.shot-top .live { margin-left: auto; font-size: 11.5px; color: var(--brand); font-weight: 600; }

.shots { position: relative; background: #eef1f4; aspect-ratio: 1800 / 1061; }
.shot { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity .45s; }
.shot.on { opacity: 1; }
.shot img { width: 100%; height: 100%; object-fit: contain; object-position: top center; display: block; }

/* 썸네일 */
.thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 16px; }
.thumb {
  background: none; border: 1px solid rgba(255,255,255,.16); border-radius: 10px; padding: 6px 6px 8px;
  cursor: pointer; text-align: center; transition: border-color .2s, background .2s;
}
.thumb img { width: 100%; height: 62px; object-fit: cover; object-position: top center; border-radius: 6px; display: block; opacity: .75; }
.thumb span { display: block; margin-top: 7px; font-size: 12.5px; color: rgba(255,255,255,.7); }
.thumb:hover { border-color: rgba(255,255,255,.4); }
.thumb.on { border-color: var(--brand-light, #4fd1a1); background: rgba(79,209,161,.12); }
.thumb.on img { opacity: 1; }
.thumb.on span { color: #fff; font-weight: 600; }

/* 자막 · 진행바 */
.caption { position: relative; height: 62px; margin-top: 16px; }
.cap {
  position: absolute; inset: 0; display: flex; align-items: center; gap: 12px;
  font-size: 17px; color: #fff; opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s;
}
.cap.on { opacity: 1; transform: none; }
.cap b { font-family: var(--font-en); font-size: 12px; color: #0e1415; background: var(--brand-light, #4fd1a1); border-radius: 999px; padding: 3px 10px; flex: none; }
.cap span { font-size: 16px; color: rgba(255,255,255,.82); }
.cap strong { color: #fff; font-weight: 700; margin-right: 4px; }
.progress { height: 3px; background: rgba(255,255,255,.14); border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: var(--brand-light, #4fd1a1); }

.demo-note { margin-top: 18px; font-size: 12.5px; color: rgba(255,255,255,.5); }
.demo-cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.demo-cta .btn-line { color: #fff; border-color: rgba(255,255,255,.45); background: transparent; }
.demo-cta .btn-line:hover { background: #fff; color: var(--ink); }

@media (max-width: 900px) {
  .demo-head h1 { font-size: 26px; }
  .cap span { font-size: 14.5px; }
  .caption { height: 84px; }
  .thumbs { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .demo-stage { padding: 12px; }
  .thumbs { grid-template-columns: repeat(2, 1fr); }
  .thumb img { height: 48px; }
  .caption { height: 104px; }
  .demo-cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .shot, .cap { transition: none !important; }
}