/* Editing page: cut-it-yourself timeline + colour split */
.cut { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); grid-template-areas: 'mon side' 'tl tl' 'hint hint'; gap: 14px clamp(16px, 2.4vw, 32px); }
.cut-mon { grid-area: mon; }
.cut-mon-bar { display: flex; gap: 14px; align-items: center; height: 30px; padding: 0 12px; border: 1px solid var(--line); border-bottom: 0; border-radius: 12px 12px 0 0; background: var(--surface); font-size: 11px; color: var(--muted); }
.cut-mon-bar .rec { color: var(--rec); }
.cut-mon-bar span:nth-child(2) { color: var(--text); font-variant-numeric: tabular-nums; }
.cut-mon-bar span:last-child { margin-left: auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60%; }
.cut-frame { position: relative; aspect-ratio: 16 / 9; background: #050506; border: 1px solid var(--line); border-radius: 0 0 12px 12px; overflow: hidden; }
.cut-v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; max-width: none; opacity: 0; }
.cut-v.on { opacity: 1; }
.cut-safe { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.4s; }
.cut-safe::before, .cut-safe::after { content: ''; position: absolute; top: 0; bottom: 0; width: calc((100% - (100% * 9 / 16) * 9 / 16) / 2); background: rgba(5, 5, 6, 0.82); transition: transform 0.6s var(--ease-out); }
.cut-safe::before { left: 0; border-right: 1px solid rgba(255, 255, 255, 0.5); transform: translateX(-100%); }
.cut-safe::after { right: 0; border-left: 1px solid rgba(255, 255, 255, 0.5); transform: translateX(100%); }
.cut-safe span { position: absolute; left: 50%; top: 12px; transform: translateX(-50%); font-size: 11px; letter-spacing: 0.08em; color: #fff; background: rgba(0, 0, 0, 0.55); padding: 3px 9px; border-radius: 999px; }
.cut-frame[data-fmt='9:16'] .cut-safe { opacity: 1; }
.cut-frame[data-fmt='9:16'] .cut-safe::before, .cut-frame[data-fmt='9:16'] .cut-safe::after { transform: none; }
.cut-side { grid-area: side; display: flex; flex-direction: column; gap: 16px; }
.cut-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.cut-stats > div { display: grid; gap: 4px; padding: 12px; background: var(--surface); }
.cut-stats .pg-hint { font-size: 10px; }
.cut-stats b { font-size: 20px; font-weight: 500; font-variant-numeric: tabular-nums; }
.cut-group { display: grid; gap: 8px; }
.cut-seg { display: flex; border-radius: 12px; }
.cut-seg button { flex: 1; justify-content: center; min-height: 38px; font-size: 13px; }
.cut-acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.cut-tl { grid-area: tl; display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 12px; align-items: center; }
.cut-play { width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--btn-bg); color: var(--btn-ink); display: grid; place-items: center; cursor: pointer; }
.cut-play svg { width: 18px; height: 18px; fill: currentColor; }
.cut-track { position: relative; height: 104px; border-radius: 10px; background: #121214; border: 1px solid var(--line); overflow: hidden; color: #fff; }
.cut-ruler { position: absolute; left: 0; right: 0; top: 0; height: 18px; border-bottom: 1px solid rgba(255,255,255,.1); background: repeating-linear-gradient(90deg, rgba(255,255,255,.3) 0 1px, transparent 1px 40px) left bottom / 100% 8px no-repeat; }
.cut-lane { position: absolute; left: 0; right: 0; top: 24px; bottom: 8px; }
.cut-b {
  position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; overflow: hidden; cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none;
  background: #2a2a2e; box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); will-change: transform; outline-offset: 2px;
}
.cut-b.dragging { cursor: grabbing; z-index: 3; box-shadow: inset 0 0 0 2px #fff, 0 16px 30px -10px rgba(0,0,0,.8); }
.cut-b.cur { box-shadow: inset 0 0 0 2px var(--rec); }
.cut-b-film { position: absolute; inset: 0; background-image: var(--img); background-size: auto 100%; background-repeat: repeat-x; opacity: 0.75; }
.cut-b-film::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(0,0,0,.75)); }
.cut-b-l { position: absolute; left: 7px; right: 14px; bottom: 6px; display: flex; gap: 6px; align-items: baseline; white-space: nowrap; overflow: hidden; font-size: 11.5px; font-weight: 600; text-shadow: 0 1px 3px rgba(0,0,0,.7); }
.cut-b-l b { font-weight: 500; font-size: 10px; opacity: 0.8; }
.cut-b-l span { overflow: hidden; text-overflow: ellipsis; }
.cut-b-len { position: absolute; right: 12px; top: 5px; font-size: 10px; background: rgba(0,0,0,.55); padding: 1px 5px; border-radius: 4px; }
.cut-trim { position: absolute; right: 0; top: 0; bottom: 0; width: 12px; cursor: ew-resize; background: linear-gradient(90deg, transparent, rgba(255,255,255,.25)); }
.cut-trim::after { content: ''; position: absolute; right: 4px; top: 50%; width: 2px; height: 22px; margin-top: -11px; background: #fff; border-radius: 2px; opacity: 0.8; }
.cut-b.trimming .cut-trim { background: var(--rec); }
.cut-b:focus-visible { outline: 2px solid var(--accent); }
.cut-ph { position: absolute; left: 0; top: 0; bottom: 0; width: 0; pointer-events: none; z-index: 4; will-change: transform; }
.cut-ph i { position: absolute; left: -1px; top: 0; bottom: 0; width: 2px; background: var(--rec); box-shadow: 0 0 8px var(--rec); }
.cut-ph i::before { content: ''; position: absolute; left: -5px; top: 0; width: 12px; height: 10px; background: var(--rec); clip-path: polygon(0 0, 100% 0, 100% 60%, 50% 100%, 0 60%); }
.cut-hint { grid-area: hint; margin: 0; text-align: center; }

/* colour split */
.grade { position: relative; aspect-ratio: 2.2 / 1; border-radius: var(--radius); overflow: hidden; background: #050506; cursor: ew-resize; touch-action: pan-y; user-select: none; --split: 50%; }
.grade-gl, .grade-fb { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; max-width: none; }
.grade-fb { opacity: 0; }
.grade.nogl .grade-fb { opacity: 1; }
.grade-split { position: absolute; top: 0; bottom: 0; left: 50%; width: 0; z-index: 2; }
.grade-split:focus-visible .grade-knob { outline: 2px solid #fff; outline-offset: 3px; }
.grade-knob { position: absolute; left: 0; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: #fff; color: #0b0b0c; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.5); }
.grade-knob svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.grade-l, .grade-r { position: absolute; top: 14px; z-index: 2; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; background: rgba(0,0,0,.55); padding: 4px 10px; border-radius: 999px; pointer-events: none; }
.grade-l { left: 14px; } .grade-r { right: 14px; }
.grade-shots { display: flex; gap: 8px; margin-top: 14px; }
.grade-shot { width: 92px; aspect-ratio: 16 / 9; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; cursor: pointer; background: #000; opacity: 0.7; transition: opacity 0.2s, border-color 0.2s; }
.grade-shot img { width: 100%; height: 100%; object-fit: cover; }
.grade-shot:hover { opacity: 1; }
.grade-shot[aria-checked='true'] { border-color: var(--text); opacity: 1; }

@media (max-width: 900px) {
  .cut { grid-template-columns: minmax(0, 1fr); grid-template-areas: 'mon' 'tl' 'hint' 'side'; }
  .cut-mon { margin: 0 calc(var(--gutter) * -1); }
  .cut-mon-bar, .cut-frame { border-radius: 0; border-left: 0; border-right: 0; }
  .cut-tl { grid-template-columns: 44px minmax(0, 1fr); gap: 8px; }
  .cut-play { width: 44px; height: 44px; }
  .cut-track { height: 92px; }
  .cut-b-l span { display: none; }
  .grade { aspect-ratio: 4 / 5; margin: 0 calc(var(--gutter) * -1); border-radius: 0; }
  .grade-shot { width: 72px; }
}