/* 앱 미리보기 — 실제 앱(다크 테마)의 축소판. 1280×760 캔버스를 화면 폭에 맞춰 줄인다. */

.demo {
  --d-bg: #121211;
  --d-card: #1c1c1a;
  --d-raised: #262624;
  --d-ink: #f2f1ed;
  --d-ink-2: #b9b8b2;
  --d-ink-3: #7c7b76;
  --d-line: #2c2c29;
  --d-track: #2a2a27;
  --d-tick: #55554f;
  --d-stage: #0b0b0a;
  --d-hover: rgba(255, 255, 255, 0.07);
  --d-green: #12c286;
  --d-green-deep: #0fa974;
  --d-green-soft: rgba(18, 194, 134, 0.16);
  --d-orange: #ff6a14;
  --d-yellow: #f5c21b;
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  aspect-ratio: 1280 / 760;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow:
    0 40px 120px rgba(0, 0, 0, 0.55),
    0 0 0 6px rgba(255, 255, 255, 0.02);
}

.demo-glow {
  position: relative;
}

.demo-glow::before {
  content: "";
  position: absolute;
  inset: -80px -60px auto;
  height: 70%;
  z-index: -1;
  background: radial-gradient(50% 60% at 50% 50%, rgba(18, 194, 134, 0.16), transparent 70%);
}

.d-app {
  position: absolute;
  top: 0;
  left: 0;
  width: 1280px;
  height: 760px;
  transform-origin: 0 0;
  display: flex;
  flex-direction: column;
  background: var(--d-bg);
  color: var(--d-ink);
  font-size: 13px;
  line-height: 1.4;
  user-select: none;
}

.d-app button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

.d-app svg {
  flex: none;
}

/* 상단 바 */
.d-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 58px;
  padding: 0 10px 0 22px;
}

.d-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 17px;
}

.d-brand i {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--d-green);
  color: #fff;
}

.d-tabs {
  display: flex;
  gap: 4px;
}

.d-tabs button {
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--d-ink-2);
}

.d-tabs button:hover {
  color: var(--d-ink);
}

.d-tabs button.on {
  background: var(--d-raised);
  color: var(--d-ink);
}

.d-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.d-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.d-icon:hover {
  background: var(--d-hover);
}

.d-split {
  display: flex;
  border-radius: 999px;
  background: var(--d-green);
  color: #fff;
  font-weight: 700;
  overflow: hidden;
}

.d-split button {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
}

.d-split button + button {
  padding: 8px 11px;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.d-win {
  display: flex;
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--d-line);
}

.d-win button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 32px;
  color: var(--d-ink-3);
}

/* 페이지 */
.d-main {
  flex: 1;
  min-height: 0;
  padding: 0 14px 14px;
}

.d-page {
  display: none;
  height: 100%;
  gap: 12px;
}

.d-page.on {
  display: grid;
}

.d-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px 18px;
  border-radius: 20px;
  background: var(--d-card);
}

.d-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.d-card-head h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.d-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.d-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--d-track);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.d-pill.on {
  background: var(--d-green-soft);
  color: var(--d-green);
}

.d-muted {
  color: var(--d-ink-3);
}

.d-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--d-ink-3);
}

/* ── 편집 ── */
.d-edit {
  grid-template-columns: 270px 1fr;
}

.d-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.d-file {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.d-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 10px 0 16px;
}

.d-chips span {
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--d-track);
  font-size: 11px;
  font-weight: 600;
  color: var(--d-ink-2);
}

.d-streams {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.d-stream {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 4px 8px;
  align-items: center;
}

.d-stream .num {
  font-size: 11px;
  font-weight: 700;
  color: var(--d-ink-3);
}

.d-stream strong {
  font-size: 12px;
}

.d-stream small {
  display: block;
  font-size: 10px;
  color: var(--d-ink-3);
}

.d-stream .val {
  font-size: 11px;
  font-weight: 700;
  color: var(--d-ink-2);
}

.d-stream .bar {
  grid-column: 2 / 4;
  height: 5px;
  border-radius: 3px;
  background: var(--d-track);
  overflow: hidden;
}

.d-stream .bar i {
  display: block;
  height: 100%;
  border-radius: 3px;
}

.d-preview {
  flex: 1;
}

.d-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--d-stage);
}

/* 가짜 영상 화면: 재생하면 천천히 흐른다 */
.d-scene {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(28% 34% at 30% 40%, rgba(18, 194, 134, 0.55), transparent 70%),
    radial-gradient(24% 30% at 70% 62%, rgba(245, 194, 27, 0.4), transparent 70%),
    radial-gradient(30% 36% at 58% 26%, rgba(80, 120, 255, 0.35), transparent 70%),
    linear-gradient(160deg, #1d2a24, #121314 60%, #241b12);
  animation: d-drift 14s linear infinite;
  animation-play-state: paused;
}

.d-app.playing .d-scene {
  animation-play-state: running;
}

@keyframes d-drift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-6%, 4%) rotate(3deg);
  }
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
}

.d-hud {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
}

.d-timeline {
  position: relative;
  height: 54px;
  margin-top: 10px;
  border-radius: 10px;
  background: var(--d-track);
  cursor: pointer;
  overflow: hidden;
}

.d-timeline .tick {
  position: absolute;
  top: 9px;
  bottom: 9px;
  width: 2px;
  border-radius: 1px;
  background: var(--d-tick);
  pointer-events: none;
}

.d-timeline .seg {
  position: absolute;
  top: 7px;
  bottom: 7px;
  border-radius: 7px;
  background: rgba(245, 194, 27, 0.28);
  border: 2px solid var(--d-yellow);
  pointer-events: none;
}

.d-timeline .seg b {
  position: absolute;
  top: 2px;
  left: 5px;
  font-size: 10px;
  color: var(--d-yellow);
}

.d-timeline .sel {
  position: absolute;
  top: 5px;
  bottom: 5px;
  border-radius: 7px;
  background: rgba(18, 194, 134, 0.2);
  border: 2px solid var(--d-green);
  pointer-events: none;
}

.d-timeline .head {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--d-orange);
  pointer-events: none;
}

.d-timeline .head::before {
  content: "";
  position: absolute;
  top: 0;
  left: -4px;
  width: 10px;
  height: 7px;
  border-radius: 0 0 4px 4px;
  background: var(--d-orange);
}

.d-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.d-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.d-play {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--d-green) !important;
  color: #fff;
}

.d-time {
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.d-time span {
  color: var(--d-ink-3);
  font-weight: 600;
}

.d-slider {
  width: 90px;
  height: 4px;
  border-radius: 2px;
  background: var(--d-track);
  position: relative;
}

.d-slider i {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 2px;
  background: var(--d-ink-2);
}

/* 구간 설정 */
.d-range-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.15fr 1fr;
  gap: 8px;
}

.d-field {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--d-line);
}

.d-field strong {
  display: block;
  margin-top: 4px;
  font-size: 19px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.d-field small {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: var(--d-green);
  font-weight: 600;
}

.d-field small.muted {
  color: var(--d-ink-3);
}

.d-seg-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.d-seg-chips b {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(245, 194, 27, 0.2);
  color: var(--d-yellow);
  font-size: 11px;
}

/* ── 클립 ── */
.d-clips {
  grid-template-columns: 1fr 300px;
}

.d-clip-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.d-clip {
  display: grid;
  grid-template-columns: 26px 96px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--d-bg);
}

.d-clip.active {
  outline: 2px solid var(--d-green);
}

.d-clip .order {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--d-track);
  font-size: 11px;
  font-weight: 700;
}

.d-thumb {
  height: 54px;
  border-radius: 8px;
}

.d-clip strong {
  display: block;
  font-size: 14px;
}

.d-clip small {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--d-ink-3);
}

.d-clip small.good {
  color: var(--d-green);
}

.d-clip .len {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.d-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.d-chip {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--d-track);
  font-size: 11px;
  font-weight: 700;
  color: var(--d-ink-2);
}

.d-chip.good {
  background: var(--d-green-soft);
  color: var(--d-green);
}

.d-export {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: 20px;
  background: var(--d-green-deep);
  color: #fff;
}

.d-export h4 {
  margin: 0;
  font-size: 26px;
  line-height: 1.15;
  font-weight: 800;
}

.d-export p {
  margin: 10px 0 16px;
  font-size: 12px;
  opacity: 0.85;
}

.d-export button {
  padding: 9px 18px;
  border-radius: 999px;
  background: #fff;
  color: var(--d-green-deep);
  font-weight: 800;
}

.d-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-radius: 16px;
  background: var(--d-card);
  font-weight: 600;
}

.d-row button {
  color: var(--d-green);
  font-weight: 700;
  font-size: 12px;
}

/* ── 분석 ── */
.d-analyze {
  grid-template-columns: 1fr 1fr 1fr;
}

.d-scroll {
  overflow: hidden;
}

.d-section + .d-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--d-line);
}

.d-section h5 {
  display: flex;
  justify-content: space-between;
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
}

.d-kv {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 5px 10px;
  margin: 0;
  font-size: 12px;
}

.d-kv dt {
  color: var(--d-ink-3);
}

.d-kv dd {
  margin: 0;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.d-audio {
  display: grid;
  gap: 8px;
}

.d-audio div {
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--d-bg);
}

.d-audio strong {
  display: block;
  font-size: 12px;
}

.d-audio small {
  font-size: 11px;
  color: var(--d-ink-3);
}

.d-mix {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  margin: 6px 0 8px;
}

.d-mix i:nth-child(1) {
  background: var(--d-green);
}

.d-mix i:nth-child(2) {
  background: var(--d-yellow);
}

.d-mix i:nth-child(3) {
  background: var(--d-orange);
}

.d-legend {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--d-ink-2);
}

.d-legend span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 5px;
  border-radius: 2px;
  background: currentColor;
}

.d-legend .i {
  color: var(--d-green);
}

.d-legend .p {
  color: var(--d-yellow);
}

.d-legend .b {
  color: var(--d-orange);
}

.d-legend em {
  font-style: normal;
  color: var(--d-ink-2);
}

.d-gop {
  display: flex;
  gap: 2px;
  margin-top: 8px;
}

.d-gop i {
  flex: 1;
  height: 22px;
  border-radius: 3px;
  background: var(--d-track);
}

.d-gop i.k {
  background: var(--d-green);
}

.d-gop i.p {
  background: rgba(245, 194, 27, 0.55);
}

.d-precise {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--d-bg);
}

/* 안내 토스트 */
.d-toast {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 12px);
  padding: 10px 18px;
  border-radius: 12px;
  background: var(--d-raised);
  border: 1px solid var(--d-line);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
}

.d-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.demo-hint {
  margin-top: 16px;
  text-align: center;
  color: var(--ink-3);
  font-size: 14px;
}