/*! Copyright (c) 2026 Dominic Tope. Classroom use permitted. See COPYRIGHT.txt and THIRD-PARTY-NOTICES.txt. */
.tool-select{position:relative;min-width:0}.tool-select select[hidden],.tool-select-menu[hidden]{display:none!important}body.teacher-site .tool-select-trigger{box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:44px;padding:10px 12px;border:1px solid #bdcde1;border-radius:10px;background:#fff;color:#172a49;text-align:left;font:inherit;font-size:.85rem;font-weight:600;line-height:1.4;cursor:pointer}.tool-select-trigger>span{min-width:0;white-space:normal}.tool-select-trigger::after{content:"";width:7px;height:7px;flex:0 0 7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg)}.tool-select-trigger[aria-expanded=true]{box-shadow:0 0 0 3px #dbeafe}.tool-select-trigger[aria-invalid=true]{border:2px solid #c93636;background:#fff7f7}.tool-select-trigger:focus-visible{outline:3px solid #60a5fa;outline-offset:2px}.tool-select-menu{position:fixed;z-index:1600;overflow:auto;overscroll-behavior:contain;box-sizing:border-box;padding:6px;background:#fff;border:1px solid #c7d8ed;border-radius:12px;box-shadow:0 14px 40px #172a4933;color:#172a49}.tool-select-option{position:relative;padding:11px 30px 11px 12px;border-radius:8px;font-size:.85rem;line-height:1.45;cursor:pointer}.tool-select-option.is-active{background:#eff6ff;outline:2px solid #93c5fd;outline-offset:-2px}.tool-select-option[aria-disabled=true]{opacity:.4;cursor:not-allowed}.tool-select-option[aria-selected=true]::after{content:"";position:absolute;right:13px;top:calc(50% - 6px);width:5px;height:10px;border-right:2px solid #1d4ed8;border-bottom:2px solid #1d4ed8;transform:rotate(45deg)}.tool-select-option[data-value=blue]{border-left:4px solid #2563eb}.tool-select-option[data-value=red]{border-left:4px solid #dc2626}.tool-select-option[data-value=green]{border-left:4px solid #16a34a}.tool-select-option[data-value=yellow]{border-left:4px solid #facc15}body.teacher-site .activity-check-disclosure>summary::after,body.teacher-site .lc-select-trigger::after,body.teacher-site .loop-check>summary::after,body.teacher-site .summary-chevron,body.teacher-site .tool-select-trigger::after{content:"";box-sizing:border-box;width:18px;height:18px;min-width:18px;flex:0 0 18px;border:0;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px 18px no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px 18px no-repeat;transform:none;transition:transform 160ms ease}body.teacher-site .summary-chevron{font-size:0;line-height:0;display:block;align-self:center}body.teacher-site .activity-check-disclosure>summary::after,body.teacher-site .lc-select-trigger::after,body.teacher-site .loop-check>summary::after{position:absolute;top:50%;right:14px;transform:translateY(-50%)}body.teacher-site .tool-select-trigger[aria-expanded=true]::after,body.teacher-site details[open]>summary .summary-chevron{transform:rotate(180deg)}body.teacher-site .activity-check-disclosure[open]>summary::after,body.teacher-site .lc-select-trigger[aria-expanded=true]::after,body.teacher-site .loop-check[open]>summary::after{top:50%;transform:translateY(-50%) rotate(180deg)}.lc-select-menu,.tool-select-menu{overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;touch-action:pan-y;box-sizing:border-box}.tool-select-option{box-sizing:border-box;height:44px;display:flex;align-items:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}