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#ef444414;transition:border-color .15s,background .15s,transform .1s,box-shadow .15s}.drag-cancel-target.drag-over{border-color:#dc2626;background:linear-gradient(180deg,#fecaca 0%,#fca5a5 100%);box-shadow:0 12px 28px #ef444438;transform:translateY(-2px)}.drag-cancel-target *{pointer-events:none}.drag-cancel-target-icon{width:40px;height:40px;border-radius:999px;background:#fee2e2;color:#dc2626;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex-shrink:0}.drag-cancel-target-title{font-size:14px;font-weight:700;color:#991b1b;margin-bottom:2px}.drag-cancel-target-meta{font-size:12px;color:#b91c1c}tr.dragging{opacity:.45}tr[draggable=true]{cursor:grab}tr[draggable=true]:active{cursor:grabbing}[data-theme=dark] .drag-assign-panel{background:#1e293b;border-top-color:#22c55e}[data-theme=dark] .drag-assign-title,[data-theme=dark] .drag-class-target-title{color:#f8fafc}[data-theme=dark] .drag-assign-hint,[data-theme=dark] .drag-assign-cancel,[data-theme=dark] .drag-class-target-meta{color:#cbd5e1}[data-theme=dark] .drag-class-target{background:linear-gradient(180deg,#0f172a 0%,#1e293b 100%);border-color:#475569}[data-theme=dark] .drag-class-target.drag-over{background:linear-gradient(180deg,rgba(134,239,172,.32) 0%,rgba(74,222,128,.4) 100%)}[data-theme=dark] .drag-cancel-target{background:rgba(127,29,29,.22);border-color:#f8717199}@media (max-width: 900px){.drag-assign-panel{height:min(52vh,520px);padding:18px}.drag-assign-header,.drag-assign-footer{flex-direction:column}.drag-cancel-target{width:100%;min-width:0}.drag-assign-classes{grid-template-columns:1fr}}.mobile-hamburger{display:none;position:fixed;top:max(14px,env(safe-area-inset-top));left:max(14px,env(safe-area-inset-left));z-index:150;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:44px;height:44px;background:#fff;border:1px solid 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