.teacher-dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:22px}.teacher-dashboard article{position:relative;overflow:hidden;padding:15px;background:var(--card);border:1px solid var(--border-soft2);border-radius:12px}.teacher-dashboard span,.teacher-dashboard small{display:block;color:var(--muted);font-size:9px}.teacher-dashboard strong{display:block;margin:5px 0;font-size:17px}.teacher-dashboard article>i{position:absolute;left:0;bottom:0;height:3px;background:var(--green)}
.status-card.is-open{background:var(--ok-bg);border-color:var(--ok-bg)}.status-card.is-open span,.status-card.is-open small{color:var(--green2)}.status-card.is-open strong{color:var(--green2)}
.status-card.is-closed{background:var(--red-bg);border-color:var(--red-line)}.status-card.is-closed span,.status-card.is-closed small{color:var(--red)}.status-card.is-closed strong{color:var(--red)}
.dashboard-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 22px}
.dashboard-actions form{display:flex;align-items:center;gap:6px}
.dashboard-actions label{font-size:10px;font-weight:700;color:var(--muted);white-space:nowrap}
.dashboard-actions input{width:80px;padding:9px 10px;font-size:11px}
.dashboard-actions .ghost{padding:9px 13px;font-size:11px}
.dashboard-actions .ghost.primary-ghost{background:var(--green);color:#fff;border-color:var(--green)}
.important-check{display:flex!important;align-items:center;gap:7px;margin:12px 0!important;padding:9px;background:var(--mint);border-radius:8px;color:var(--warn-text)}.important-check input{width:auto;box-shadow:none}.pin-label{display:inline-block;margin-right:5px;padding:2px 5px;border-radius:5px;background:var(--mint);color:var(--warn-text);font-size:8px;font-style:normal;vertical-align:1px}.file-actions .pin-file{color:var(--orange)}.qr-modal{text-align:center}.qr-modal img{display:block;width:min(280px,100%);margin:20px auto;background:#fff;border-radius:8px}.qr-modal button{justify-content:center}.room.closed .upload-card{opacity:.65}.room.closed .upload-card:after{content:'제출 마감.';position:absolute;inset:0;display:grid;place-items:center;background:var(--overlay);border-radius:22px;color:var(--red);font-weight:800}
@media(max-width:900px){.teacher-dashboard{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.teacher-dashboard{grid-template-columns:1fr}.dashboard-actions{flex-direction:column;align-items:stretch}.dashboard-actions form{width:100%}.dashboard-actions input{flex:1;width:auto}.dashboard-actions .ghost{width:100%;text-align:center}.head-actions{flex-wrap:wrap}}