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p{color:var(--muted-strong)}.student-profile-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.assignment-list{display:grid;gap:12px}.assignment-card{display:grid;grid-template-columns:minmax(0,1fr) 78px;gap:14px;align-items:center;padding:14px;border:1px solid rgba(112,132,164,.28);border-radius:8px;background:#0c121c75}.assignment-card h3{margin:4px 0 6px;overflow-wrap:anywhere}.assignment-card p{margin:0;color:var(--muted)}.progress-ring{display:grid;place-items:center;width:70px;height:70px;border-radius:50%;background:radial-gradient(circle at center,#172130 0 54%,transparent 55%),conic-gradient(#5aa7ff var(--progress),rgba(112,132,164,.24) 0)}.progress-ring strong{font-size:16px}@media(min-width:900px){.monitor-grid{grid-template-columns:280px minmax(0,1fr)}.monitor-summary{grid-template-columns:180px minmax(0,1fr)}.folder-panel{grid-template-columns:minmax(0,1fr) minmax(260px,320px);align-items:start}.folder-panel.compact{grid-template-columns:1fr}.student-profile-grid{grid-template-columns:320px minmax(0,1fr)}}@media(min-width:1024px){.lessons-page .page-head,.lessons-page .lesson-grid,.lessons-page .empty{margin-left:0}.fab{left:auto;right:calc(50% + 500px)}}@media(max-width:760px){.nav{justify-content:flex-start}.nav-btn{min-width:70px;font-size:12px}.page,.builder{padding-left:12px;padding-right:12px}.monitor-head{flex-direction:column}}.nav{position:fixed;inset:auto 0 0;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(82px,118px);align-items:stretch;justify-content:center;overflow-x:auto;scrollbar-width:none}.topbar{-webkit-backdrop-filter:none;backdrop-filter:none}.nav::-webkit-scrollbar{display:none}.nav-btn{display:grid;grid-template-rows:26px minmax(16px,auto);justify-items:center;align-content:center;width:100%;min-width:0;text-align:center;line-height:1.08;white-space:normal}.builder-tools{gap:6px;max-height:calc(100vh - 96px);overflow-y:auto;padding-bottom:120px;scrollbar-width:thin}.tool-card{min-height:50px;padding:10px 12px}.upload-drop{display:grid;justify-items:center;align-content:center;gap:10px;min-height:260px;padding:28px;border:1px dashed rgba(128,150,180,.42);border-radius:8px;background:#0a0f1857;color:var(--muted-strong);text-align:center}.upload-drop input{display:none}.upload-drop.has-preview{align-content:stretch;gap:12px;padding:14px}.upload-preview{display:grid;place-items:center;width:100%;min-height:220px;max-height:460px;overflow:hidden;border:1px solid rgba(112,132,164,.34);border-radius:8px;background:#050a126b}.upload-preview img{display:block;width:100%;max-height:460px;object-fit:contain}.upload-drop-name{max-width:100%;color:var(--text);font-size:16px;font-weight:850;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-drop-hint{color:var(--muted);font-size:14px;font-weight:750}.upload-drop-icon{color:#becde62e}.upload-drop strong{display:inline-flex;align-items:center;justify-content:center;gap:10px;max-width:100%;color:var(--text);font-size:clamp(28px,4vw,42px);line-height:1.08;overflow-wrap:anywhere}.upload-drop small{color:var(--muted);font-size:18px;font-weight:800}.upload-drop span:last-child{color:var(--muted-strong);font-size:17px}.upload-help{display:grid;grid-template-columns:minmax(130px,auto) minmax(0,1fr);gap:8px 16px;color:var(--muted)}.upload-help strong{color:var(--muted-strong);font-weight:750}.test-editor{display:grid;gap:16px}.test-question-input{min-height:56px;border-color:transparent;background:transparent;color:var(--text);font-size:clamp(24px,3vw,34px);font-weight:850}.test-editor p{margin:-8px 0 4px;color:var(--muted);font-size:18px}.switch-row{display:inline-flex;align-items:center;gap:12px;width:fit-content;max-width:100%;color:var(--text);font-size:18px;font-weight:750}.switch-row input{position:absolute;opacity:0;pointer-events:none}.switch-row span{position:relative;flex:0 0 auto;width:48px;height:24px;border-radius:999px;background:#8096b459}.switch-row span:after{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;content:"";transition:transform .16s ease}.switch-row input:checked+span{background:#e8a11b}.switch-row input:checked+span:after{transform:translate(24px)}.test-choice-list{display:grid;gap:12px}.test-choice-row{display:grid;grid-template-columns:34px minmax(0,1fr) 38px;align-items:center;gap:12px}.test-choice-row>input[type=checkbox]{width:26px;height:26px}.test-choice-row .icon-btn{width:38px;height:38px}.ghost-add{display:inline-flex;align-items:center;gap:10px;width:fit-content;min-height:42px;padding:0;border:0;background:transparent;color:var(--muted-strong);font-weight:850}.button-editor{display:grid;gap:18px}.button-title-input{text-align:center}.student-link-button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:14px 24px;border:0;border-radius:999px;background:#ffdf45;color:#4a4113;font-size:18px;font-weight:850;text-align:center;text-decoration:none}.student-link-button.preview{width:min(720px,100%);min-height:74px;justify-self:center}.student-media-block{display:grid;gap:10px}.student-media-block p{margin:0;color:var(--muted-strong)}.monitor-main{border:1px solid rgba(112,132,164,.26);background:#121a26e0;color:var(--text)}.monitor-legend,.monitor-table th,.monitor-table td{color:var(--muted-strong)}.monitor-table td:first-child,.monitor-table th:first-child,.monitor-table td strong{color:var(--text)}.pie{border-color:#7084a499;box-shadow:0 0 0 5px #5aa7ff14}.legend-empty,.monitor-cell.empty{border-color:#a7b5cca6}@media(max-width:760px){.nav{grid-auto-columns:minmax(72px,96px);justify-content:flex-start;gap:8px}.nav-btn{min-width:0;font-size:12px}.upload-drop{min-height:220px;padding:22px 14px}.upload-help{grid-template-columns:1fr}}main{padding-bottom:74px}.nav{grid-auto-columns:minmax(76px,108px);gap:clamp(4px,1.4vw,16px);padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#18212ff5;box-shadow:0 -8px 24px #0000003d}.nav-btn{grid-template-rows:20px 15px;min-height:44px;gap:2px;font-size:12px;font-weight:760}.nav-btn svg{width:20px;height:20px}.primary-btn,.student-link-button{border:1px solid rgba(128,150,180,.46);background:linear-gradient(180deg,#435269f5,#2b374af5);color:var(--text);box-shadow:inset 0 1px #ffffff0f,0 10px 24px #00000024}.secondary-btn,.links a{border:1px solid rgba(128,150,180,.36);background:#293546b8;color:var(--text)}.student-link-button.preview{min-height:64px}.note{border:1px solid rgba(128,150,180,.28);background:#1e2939d1;color:var(--text);line-height:1.45;overflow-wrap:anywhere;white-space:pre-wrap}@media(max-width:760px){main{padding-bottom:70px}.nav{grid-auto-columns:minmax(66px,88px);gap:4px;padding:7px 8px calc(7px + env(safe-area-inset-bottom))}.nav-btn{min-height:42px;font-size:11px}}.assignment-admin-panel{margin:16px 0 20px}.assignment-admin-list{display:grid;gap:10px}.assignment-admin-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;border:1px solid rgba(128,150,180,.24);border-radius:8px;background:#0c121c6b}.assignment-admin-row div{display:grid;gap:3px;min-width:0}.assignment-admin-row strong,.assignment-admin-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.assignment-admin-row span{color:var(--muted);font-size:13px}.tiny-danger-btn,.target-chip button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;border:1px solid rgba(255,130,130,.34);border-radius:8px;background:#ff6b6b14;color:#ffd0d0;font-weight:850}.tiny-danger-btn{padding:6px 10px}.target-list .target-chip{display:inline-flex;align-items:center;gap:6px}.target-list .target-chip.removable{padding-right:4px}.target-chip button{width:24px;min-height:24px;padding:0;border-radius:999px;line-height:1}.resource-admin-actions,.resource-assign-panel{grid-column:1 / -1}.resource-admin-actions{display:grid;gap:10px}.resource-admin-actions>.secondary-btn{width:100%}.resource-assign-panel{display:grid;gap:10px;padding:12px;border:1px solid rgba(128,150,180,.24);border-radius:8px;background:#080d1661}.resource-assign-panel .task-picker{max-height:180px;overflow-y:auto}.resource-assign-panel .primary-btn{width:100%}@media(max-width:560px){.assignment-admin-row{grid-template-columns:1fr}.tiny-danger-btn{width:100%}}