.release-lab{max-width:1100px;margin:auto;color:#1f332c;letter-spacing:0}
.release-scene{display:block;width:100%;height:auto;aspect-ratio:4/1}
.release-status,.release-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:18px 0}
.release-status{justify-content:space-between;border-block:1px solid #abbfb4;padding:14px 0}
.release-lab button{min-height:44px;padding:10px 14px;border:1px solid #617970;border-radius:5px;color:#1f332c;background:#fff;font:600 15px Arial,sans-serif;cursor:pointer;white-space:normal}
.release-lab button:hover{background:#e7f1ec}.release-lab button.primary-action{background:#176677;border-color:#176677;color:#fff;width:auto}
.release-lab button:disabled{opacity:.55;cursor:default}.release-lab button:focus-visible,.release-lab summary:focus-visible{outline:3px solid #956b12;outline-offset:3px}
.release-lab h2{font-size:23px;line-height:1.3}.release-lab h3{font-size:17px;margin:0 0 16px}
.release-teaching{border-left:4px solid #287586;padding:12px 16px;background:#eaf5f7;line-height:1.65}
.release-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:2px solid #607a70;margin:24px 0 12px}
.release-track section{min-width:0;padding:18px 12px;border-right:1px solid #b3c7bc;background:#f3f8f5;position:relative}
.release-track section:last-child{border-right:0}.release-track section[data-active=true]{background:#fff3c9;box-shadow:inset 0 5px #98751e}
.release-track dl{margin:0}.release-track dt{font-size:12px;margin:12px 0 3px}.release-track dd{font-size:18px;font-weight:700;margin:0;min-height:24px;overflow-wrap:anywhere}
.release-records{font-size:15px;padding:10px 0;border-bottom:1px solid #a8bcb3;line-height:1.7}
#release-feedback{min-height:60px;padding:12px 16px;background:#eaf6ee;border-left:4px solid #237943;line-height:1.6;font-weight:600}
#release-feedback[data-error=true]{background:#fff0eb;color:#852c24;border-color:#ae382c}
#release-hint-text{padding:12px;border:1px dashed #617970;line-height:1.6}
.release-lab details{margin:20px 0}.release-lab summary{cursor:pointer;padding:10px 0;font-weight:700}#release-log{padding-left:24px;line-height:1.6}#release-log li{margin:8px 0}
.release-lab [hidden]{display:none!important}
@media(max-width:700px){.release-track{grid-template-columns:repeat(2,minmax(0,1fr))}.release-track section{border-bottom:1px solid #b3c7bc}.release-track section:nth-child(2){border-right:0}.release-actions{align-items:stretch}.release-actions button{max-width:100%}.release-scene{min-height:90px}}
@media print{.release-actions,.release-status button,#release-start,#release-again{display:none}}