.splicer-layout { display: grid; grid-template-columns: minmax(220px, .75fr) minmax(320px, 1.5fr) minmax(230px, .8fr); gap: 16px; align-items: start; }
.splicer-panel, .splicer-preview { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; background: var(--surface); box-shadow: var(--shadow-lg); }
.mode-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.mode-tabs .active { color: #fff; border-color: var(--primary); background: var(--primary); }
.splicer-drop { min-height: 130px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 18px; border: 2px dashed var(--border-strong); border-radius: 14px; color: var(--muted); background: var(--surface-soft); cursor: pointer; text-align: center; font-size: 12px; }
.splicer-drop strong { color: var(--text); font-size: 14px; }.splicer-drop:hover,.splicer-drop:focus,.splicer-drop.dragging { border-color: var(--primary); background: var(--primary-soft); outline: 0; }
.asset-head,.preview-head,.range-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; }.asset-head { margin: 20px 0 12px; }.asset-head h2,.preview-head h2 { margin: 0; }
.asset-list { display: grid; gap: 8px; }.asset-item { display: grid; grid-template-columns: 48px minmax(0,1fr) 30px; align-items: center; gap: 9px; padding: 7px; border: 1px solid var(--border); border-radius: 10px; }.asset-item img { width: 48px; height: 40px; border-radius: 7px; object-fit: cover; }.asset-copy { min-width: 0; }.asset-copy strong,.asset-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.asset-copy strong { font-size: 12px; }.asset-copy span { color: var(--subtle); font-size: 10px; }.asset-remove { border: 0; color: var(--muted); background: transparent; cursor: pointer; font-size: 18px; }
.preview-head { margin-bottom: 14px; }.canvas-shell { min-height: 430px; overflow: auto; display: grid; place-items: start center; padding: 20px; border-radius: 14px; background: var(--surface-soft); }.canvas-shell canvas { max-width: 100%; height: auto; display: block; border-radius: 8px; box-shadow: var(--shadow-lg); }.preview-empty { width: 100%; min-height: 390px; display: grid; place-items: center; color: var(--subtle); text-align: center; }
.settings { display: grid; gap: 16px; }.settings .subsection-title { margin: 0; }.settings input[type="range"] { width: 100%; accent-color: var(--primary); }.range-label { color: var(--muted); font-size: 12px; }.range-label output { color: var(--text); }.text-area { width: 100%; min-height: 110px; resize: vertical; }.swatches { display: flex; flex-wrap: wrap; gap: 8px; }.swatch { width: 28px; height: 28px; border: 2px solid var(--surface); border-radius: 50%; box-shadow: 0 0 0 1px var(--border); cursor: pointer; }.swatch.active { box-shadow: 0 0 0 2px var(--primary); }
@media (max-width: 1080px) { .splicer-layout { grid-template-columns: minmax(220px,.7fr) minmax(0,1.3fr); }.settings { grid-column: 1/-1; grid-template-columns: repeat(2,minmax(0,1fr)); }.settings .subsection-title,.settings #formMessage { grid-column: 1/-1; } }
@media (max-width: 720px) { .splicer-layout { grid-template-columns: 1fr; }.settings { grid-column: auto; grid-template-columns: 1fr; }.settings .subsection-title,.settings #formMessage { grid-column: auto; }.canvas-shell { min-height: 320px; padding: 12px; }.preview-empty { min-height: 290px; } }