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.board-page{background:linear-gradient(#eef7ff 0%,#dcecff 100%);flex-direction:column;min-height:100dvh;display:flex;overflow:auto}.board-page[data-board-theme=pastel-peach]{background:linear-gradient(#fff4ef 0%,#ffe7df 100%)}.board-page[data-board-theme=pastel-mint]{background:linear-gradient(#f1fff8 0%,#dff6ec 100%)}.board-page[data-board-theme=pastel-sky]{background:linear-gradient(#eef7ff 0%,#dcecff 100%)}.board-page[data-board-theme=pastel-lilac]{background:linear-gradient(#f8f2ff 0%,#eadfff 100%)}.board-page[data-board-theme=pastel-lemon]{background:linear-gradient(#fffcee 0%,#ffefc1 100%)}.board-header{background:var(--color-bg-alt);border-bottom:var(--border-card);z-index:20;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:18px 32px;display:flex;position:sticky;top:0}.board-header-left{align-items:center;gap:16px;min-height:36px;display:flex}.board-header-right{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.board-title{font-family:var(--font-display);letter-spacing:var(--font-display-tracking);color:var(--color-text);margin:0;font-size:26px;font-weight:700;line-height:1.15}.board-canvas-wrap{flex:1;min-width:0;min-height:0;padding:32px;position:relative;overflow:auto}.board-page[data-board-theme^=pastel-] .board-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffb8}.board-page[data-board-theme^=pastel-] .board-canvas-wrap{background:0 0}.board-title-editable{cursor:text;border-radius:6px;margin:-2px -6px;padding:2px 6px;transition:background .15s}.board-title-editable:hover{background:#0000000a}.board-title-input{font-family:var(--font-display);letter-spacing:var(--font-display-tracking);color:var(--color-text);background:var(--color-bg);border:2px solid var(--color-accent);border-radius:6px;outline:none;width:300px;margin:-4px -10px;padding:2px 8px;font-size:26px;font-weight:700;line-height:1.15}.board-canvas{min-width:900px;min-height:920px;position:relative}.board-empty{text-align:center;background:var(--color-surface);border:var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);max-width:360px;padding:32px 48px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.board-empty p{color:var(--color-text-muted);margin:0;font-size:14px;line-height:1.5}.ab-topnav{z-index:5;-webkit-backdrop-filter:saturate(150%)blur(8px);border-bottom:1px solid var(--color-border);background:#f6f5f4eb;justify-content:space-between;align-items:center;gap:16px;padding:14px 32px;display:flex;position:sticky;top:0}.ab-topnav-left{align-items:center;gap:24px;display:flex}.ab-topnav-logo{color:inherit;background:0 0;border:none;align-items:center;padding:0;text-decoration:none;display:inline-flex}.ab-topnav-links{align-items:center;gap:2px;display:flex}.ab-topnav-link{color:var(--color-text-muted);font:inherit;cursor:pointer;transition:background var(--t-normal), color var(--t-normal);background:0 0;border:none;border-radius:6px;align-items:center;padding:6px 12px;font-size:14px;font-weight:500;text-decoration:none;display:inline-flex}.ab-topnav-link:hover{background:var(--color-surface-alt);color:var(--color-text)}.ab-topnav-link.active{color:var(--color-text);background:var(--color-surface-alt);font-weight:600}.ab-topnav-right{align-items:center;gap:10px;display:flex}@media (max-width:640px){.ab-topnav{padding:10px 16px}.ab-topnav-left{gap:12px}.ab-topnav-logo .ab-logo-wordmark{display:none}}
.board-share-btn{cursor:pointer;color:#1e293b;background:#fff;border:1px solid #d0d5e2;border-radius:6px;align-items:center;gap:4px;padding:4px 10px;font-size:13px;transition:background .12s;display:inline-flex}.board-share-btn:hover{background:#f1f5f9;border-color:#94a3b8}.board-share-badge{color:#475569;font-size:11px;font-weight:500}.share-qr-overlay{z-index:9999;background:#00000059;padding:24px;position:fixed;inset:0;overflow-y:auto}.share-qr-modal{background:#fff;border-radius:12px;width:min(400px,100vw - 48px);min-width:320px;max-width:400px;max-height:calc(100dvh - 48px);position:fixed;top:50%;left:50%;overflow-y:auto;transform:translate(-50%,-50%);box-shadow:0 8px 32px #0000002e}.share-qr-modal-header{justify-content:space-between;align-items:center;padding:16px 20px 0;display:flex}.share-qr-close{cursor:pointer;color:#64748b;background:0 0;border:none;padding:4px;font-size:16px;line-height:1}.share-qr-close:hover{color:#1e293b}.share-qr-modal-body{flex-direction:column;align-items:center;gap:16px;padding:20px;display:flex}.share-qr-code-wrap{justify-content:center;align-items:center;min-height:180px;display:flex}.share-qr-svg{justify-content:center;align-items:center;display:flex}.share-qr-svg svg{width:180px;height:180px}.share-qr-loading{color:#94a3b8;font-size:13px}.share-link-row{gap:6px;width:100%;display:flex}.share-link-input{color:#1e293b;background:#f8fafc;border:1px solid #d0d5e2;border-radius:6px;outline:none;flex:1;padding:8px 10px;font-family:inherit;font-size:12px}.share-link-input:focus{border-color:#3b82f6}.share-copy-btn{cursor:pointer;color:#1e293b;white-space:nowrap;background:#fff;border:1px solid #d0d5e2;border-radius:6px;padding:8px 14px;font-size:12px;font-weight:600;transition:background .12s}.share-copy-btn:hover{background:#f1f5f9}.share-tab{flex-direction:column;gap:20px;display:flex}.share-mode-row{flex-direction:column;gap:6px;display:flex}.share-mode-label{justify-content:space-between;align-items:center;gap:12px;display:flex}.share-mode-select{color:#1e293b;cursor:pointer;background:#fff;border:1px solid #d0d5e2;border-radius:6px;min-width:140px;padding:6px 12px;font-size:13px}.share-mode-select:disabled{opacity:.6;cursor:not-allowed}.share-error{color:#ef4444;margin:0;font-size:12px}.share-qr-area{background:#fafbfc;border:1px solid #e2e8f0;border-radius:8px;flex-direction:column;align-items:center;gap:14px;padding:16px;display:flex}.share-qr-wrap{justify-content:center;align-items:center;min-height:140px;display:flex}.share-qr-wrap .share-qr-svg svg{width:150px;height:150px}.share-actions{gap:8px;width:100%;display:flex}.share-rotate-btn{cursor:pointer;color:#1e293b;background:#fff;border:1px solid #d0d5e2;border-radius:6px;width:100%;padding:8px 14px;font-size:12px;font-weight:600;transition:background .12s}.share-rotate-btn:hover{background:#f1f5f9}.share-rotate-btn:disabled{opacity:.6;cursor:not-allowed}.share-off-notice{background:#fafbfc;border:1px solid #e2e8f0;border-radius:8px;align-items:center;gap:12px;padding:16px;display:flex}.share-off-notice p{color:#64748b;margin:0;font-size:13px}
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.12s;display:inline-flex}.padlet-card-content-toggle:hover{background:var(--color-surface);border-color:var(--color-accent)}.padlet-card-content-toggle:active{transform:translateY(1px)}.padlet-card-content-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.card-author-footer{border-top:1px solid var(--color-border);align-items:center;gap:8px;margin-top:10px;padding-top:8px;font-size:12px;display:flex}.card-author-chip{background:var(--color-accent-tinted-bg);color:var(--color-accent-tinted-text);border-radius:var(--radius-pill);pointer-events:none;align-items:center;max-width:120px;padding:2px 8px;display:inline-flex}.card-author-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.card-author-time{color:var(--color-text-muted)}@media (forced-colors:active){.card-author-chip{border:1px solid canvastext}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.padlet-card-delete{width:24px;height:24px;color:var(--color-text-muted);border-radius:var(--radius-pill);cursor:pointer;background:#0000000f;border:none;justify-content:center;align-items:center;padding:0;font-size:16px;line-height:1;transition:background .15s,color .15s;display:none;position:absolute;top:8px;right:8px}.padlet-card:hover .padlet-card-delete,.padlet-card:focus-within .padlet-card-delete{display:flex}.padlet-card-delete:hover{color:var(--color-text);background:#0000001f}.card-attachments{margin-bottom:10px}.card-attach-image{border-radius:8px;margin-bottom:8px;position:relative;overflow:hidden}.card-attach-image img{object-fit:cover;width:100%;max-height:152px;display:block}.card-attach-multi-badge{color:#fff;pointer-events:none;background:#000000a6;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600;position:absolute;top:6px;right:6px}.card-attach-file-wrap{position:relative}.card-attach-multi-badge.is-inline{top:4px;right:4px}.card-attach-video{border-radius:8px;margin-bottom:8px;overflow:hidden}.card-attach-video iframe{aspect-ratio:16/9;border:none;width:100%;display:block}.card-attach-media-poster{aspect-ratio:16/9;background:#111827;position:relative}.card-attach-media-poster.is-clickable{cursor:pointer}.card-attach-video-poster-img,.card-attach-video-placeholder{width:100%;height:100%;display:block}.card-attach-video-poster-img{object-fit:cover}.card-attach-youtube-play,.card-attach-video-play{pointer-events:none;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.card-attach-youtube-play{color:#fff;background:#f03;border-radius:11px;width:58px;height:40px;padding-left:3px;font-size:19px;line-height:1;box-shadow:0 8px 22px #00000038}.card-attach-video-play{width:52px;height:52px;color:var(--color-text);background:#ffffffeb;border-radius:50%;padding-left:3px;font-size:20px;line-height:1;box-shadow:0 8px 22px #0003}.card-attach-video-source{color:#fff;pointer-events:none;background:#111827b8;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700;line-height:1.4;position:absolute;bottom:10px;left:10px}.card-attach-file{background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:8px;align-items:center;gap:10px;min-width:0;margin-bottom:8px;padding:10px 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var(--color-accent-tinted-bg)}.column-cards>.column-empty{box-sizing:border-box;width:100%}.column-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--color-border-hover)}.column-card>.padlet-card-delete{display:none!important}.column-card:active{cursor:grabbing;opacity:.85}.column-card.is-dragging{opacity:.5;transform:scale(.985)}.column-card .padlet-card-title{margin-bottom:6px;font-size:14px;font-weight:600}.column-card .padlet-card-content{--card-content-preview-lines:4;font-size:13px;line-height:1.45}.column-card .padlet-card-content.is-collapsed{max-height:5.8em}.column-card .card-attachments{border-radius:var(--radius-card) var(--radius-card) 0 0;margin:-13px -15px 12px}.column-card .card-attachments>:first-child,.column-card .card-attach-image,.column-card .card-attach-video,.column-card .card-link-preview,.column-card .card-canva-slot-frame,.column-card .card-attach-image.optimized-img-wrap,.column-card .card-link-preview-image.optimized-img-wrap{border-radius:var(--radius-card) var(--radius-card) 0 0!important;overflow:hidden!important}.column-card .card-attach-image.optimized-img-wrap img,.column-card .card-link-preview-image.optimized-img-wrap img,.column-card .card-canva-slot-thumbnail{border-radius:inherit}.column-card:has(.card-attachments){padding-top:0}.column-card:has(.card-attachments) .card-attachments{margin-top:0}.column-card:has(>.card-ctx-menu):has(.card-attachments){padding-top:0}.column-card .card-author-footer{margin-top:8px}.column-card .card-canva-slot{gap:4px}.column-card .card-canva-slot-header{min-height:18px}.column-card .card-canva-mode-badge{padding:2px 8px;font-size:10px}.column-card .card-canva-slot-overlay-label{font-size:11px}.column-card 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0;font-size:13px}.dj-header-actions{gap:8px;display:flex}.dj-header-btn{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-btn);cursor:pointer;padding:8px 14px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s}.dj-header-btn:hover{background:var(--color-surface-alt);border-color:var(--color-border-hover)}.dj-nowplaying{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);width:100%;box-shadow:var(--shadow-card);box-sizing:border-box;flex-direction:column;gap:16px;padding:24px;display:flex}.dj-nowplaying-label{letter-spacing:1px;color:var(--color-accent);font-size:11px;font-weight:700}.dj-nowplaying-body{grid-template-columns:240px 1fr;align-items:center;gap:20px;display:grid}.dj-thumb{object-fit:cover;background:var(--color-surface-alt);border-radius:6px;flex:none;width:96px;height:54px}.dj-thumb-lg{color:#fff;background:#fff;border-radius:8px;justify-content:center;align-items:center;width:240px;height:135px;font-size:40px;display:flex;box-shadow:0 4px 14px #8b79ff59}.dj-nowplaying-info{min-width:0}.dj-nowplaying-empty-card{min-height:216px}.dj-nowplaying-placeholder{background:var(--color-surface-alt);color:var(--color-accent);box-shadow:none}.dj-track-title{letter-spacing:-.3px;color:var(--color-text);margin:0 0 6px;font-size:20px;font-weight:700}.dj-track-meta{color:var(--color-text-muted);word-break:break-word;margin:0;font-size:13px}.dj-nowplaying-actions{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.dj-play-btn{background:var(--color-accent);color:#fff;border-radius:var(--radius-pill);cursor:pointer;border:none;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.dj-play-btn:hover{background:var(--color-accent-active)}.dj-play-btn[aria-pressed=true]{color:var(--color-accent);outline:1px solid var(--color-accent);background:0 0}.dj-next-btn{color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-pill);cursor:pointer;background:0 0;padding:10px 16px;font-size:14px;font-weight:500;transition:background .15s,border-color .15s}.dj-next-btn:hover{background:var(--color-surface-alt);border-color:var(--color-border-hover)}.dj-player-wrap{aspect-ratio:16/9;background:#000;border-radius:8px;width:240px;overflow:hidden}.dj-player-iframe{border:0;width:100%;height:100%}.dj-layout{box-sizing:border-box;grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;width:100%;display:grid}.dj-queue-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);min-width:0;box-shadow:var(--shadow-card);box-sizing:border-box;padding:16px}.dj-queue-title{letter-spacing:-.15px;color:var(--color-text);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin:0 0 12px;font-size:15px;font-weight:700;display:flex}.dj-queue-hint{color:var(--color-text-muted);font-size:12px;font-weight:500}.dj-queue-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.dj-queue-item{cursor:grab;border-radius:8px;grid-template-columns:24px 56px 1fr auto;align-items:center;gap:12px;padding:10px;transition:background .15s;display:grid}.dj-queue-item:hover{background:var(--color-surface-alt)}.dj-queue-item.is-pending{background:#f59e0b0f}.dj-queue-item.is-dragging{opacity:.4}.dj-queue-item.is-drag-over{outline:2px dashed var(--color-accent);outline-offset:-2px}.dj-queue-item.dj-status-played{opacity:.55}.dj-rank{color:var(--color-text-muted);text-align:center;font-family:SF Mono,ui-monospace,monospace;font-size:13px;font-weight:600}.dj-tinythumb{object-fit:cover;color:#fff;background:#fff;border-radius:4px;justify-content:center;align-items:center;width:56px;height:42px;font-size:16px;display:flex}.dj-info{flex-direction:column;gap:2px;min-width:0;display:flex}.dj-item-info{flex:180px;min-width:0}.dj-track{letter-spacing:-.1px;white-space:nowrap;text-overflow:ellipsis;color:var(--color-text);font-size:14px;font-weight:600;overflow:hidden}.dj-sub{color:var(--color-text-muted);font-size:12px}.dj-pending-pill{border-radius:var(--radius-pill);color:#92610a;background:#fef3c7;align-items:center;gap:4px;margin-left:6px;padding:1px 8px;font-size:11px;font-weight:600;display:inline-flex}.dj-pending-pill .dj-dot{background:currentColor;border-radius:50%;width:6px;height:6px}.dj-controls{gap:4px;display:flex}.dj-ctrl{color:var(--color-text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:4px;padding:4px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .15s,border-color .15s,color .15s}.dj-ctrl:hover{background:var(--color-surface-alt);color:var(--color-text);border-color:var(--color-border)}.dj-ctrl.approve:hover{color:#27a35f;background:#27a35f14;border-color:#27a35f4d}.dj-ctrl.reject:hover{color:var(--color-danger);background:#c6282814;border-color:#c628284d}.dj-ctrl.restore:hover{color:var(--color-accent);border-color:var(--color-accent-tinted-bg);background:var(--color-accent-tinted-bg)}.dj-empty{text-align:center;color:var(--color-text-muted);padding:32px 16px;font-size:13px}.dj-side{flex-direction:column;gap:16px;min-width:0;display:flex}.dj-submit-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px}.dj-submit-title{color:var(--color-text);margin:0 0 12px;font-size:14px;font-weight:700}.dj-submit-input{border:1px solid var(--color-border);background:var(--color-surface);width:100%;color:var(--color-text);box-sizing:border-box;border-radius:6px;padding:10px 12px;font-family:inherit;font-size:14px}.dj-submit-input:focus-visible{outline:2px solid var(--color-accent-tinted-text);outline-offset:1px}.dj-submit-btn{background:var(--color-accent);color:#fff;border-radius:var(--radius-btn);cursor:pointer;border:none;width:100%;margin-top:10px;padding:10px 16px;font-size:14px;font-weight:600;transition:background .12s}.dj-submit-btn:hover{background:var(--color-accent-active)}.dj-submit-btn:disabled{background:var(--color-text-faint);cursor:not-allowed}.dj-submit-note{color:var(--color-text-muted);margin:10px 0 0;font-size:11px;line-height:1.5}.dj-submit-error{color:var(--color-status-returned-text);margin:10px 0 0;font-size:12px}.dj-ranking{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px}.dj-ranking-list{margin:0;padding:0;list-style:none}.dj-ranking-row{align-items:center;gap:10px;padding:6px 0;font-size:13px;display:flex}.dj-ranking-pos{width:22px;color:var(--color-text-muted);text-align:center;font-family:SF Mono,ui-monospace,monospace;font-weight:700}.dj-ranking-pos.top{color:#c9a227}.dj-ranking-avatar{width:22px;height:22px;color:var(--color-text);background:#00000014;border-radius:50%;justify-content:center;align-items:center;font-size:10px;font-weight:600;display:inline-flex}.dj-ranking-avatar.top{color:#fff;background:#c9a227}.dj-ranking-name{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.dj-ranking-count{font-variant-numeric:tabular-nums;color:var(--color-text-muted);font-weight:500}.dj-ranking-meta{color:var(--color-text-faint);margin:0 0 8px;font-size:11px}.dj-ranking-loading,.dj-ranking-empty{color:var(--color-text-faint);margin:8px 0 0;font-size:12px}.dj-ranking-thumb{object-fit:cover;background:var(--color-surface-alt);border-radius:3px;width:48px;height:27px}.dj-ranking-thumb-blank{display:inline-block}.dj-ranking-section{margin-bottom:16px}.dj-ranking-title{color:var(--color-text);margin:0 0 6px;font-size:14px;font-weight:700}.dj-ranking-rank{color:var(--color-text-faint);text-align:right;font-weight:700}.dj-ranking-tag{border-radius:var(--radius-pill);background:var(--color-accent-tinted-bg);color:var(--color-accent-tinted-text);margin-left:4px;padding:1px 6px;font-size:10px;font-weight:600;display:inline-block}.dj-item-actions{flex:none;gap:4px;display:flex}.dj-action-btn{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;border-radius:4px;padding:4px 10px;font-size:12px;transition:background .12s,border-color .12s}.dj-action-btn:hover{border-color:var(--color-border-hover)}.dj-action-reject,.dj-action-delete{color:var(--color-danger)}.dj-action-cancel-own{border:1px solid var(--color-border);color:var(--color-text-muted);cursor:pointer;background:0 0;border-radius:4px;padding:4px 10px;font-size:12px}.dj-drag-handle{cursor:grab;color:var(--color-text-faint);-webkit-user-select:none;user-select:none;flex:none;padding:4px;font-size:16px}.dj-status-pill{white-space:nowrap;border-radius:999px;flex:none;padding:2px 8px;font-size:11px;font-weight:600}.dj-status-pill-pending{color:var(--color-text-muted);background:#0000000d}.dj-status-pill-approved{background:var(--color-status-reviewed-bg);color:var(--color-status-reviewed-text)}.dj-status-pill-played{color:var(--color-text-faint);background:0 0}.dj-status-pill-rejected{background:var(--color-status-returned-bg);color:var(--color-status-returned-text)}.classroom-dj-panel{border:1px solid var(--color-border);background:var(--color-surface);border-radius:8px;margin-top:24px;padding:16px}.classroom-dj-panel h3{margin:0 0 8px;font-size:15px;font-weight:700}.dj-panel-desc{color:var(--color-text-muted);margin:0 0 12px;font-size:12px}.dj-panel-current{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:8px;padding:8px 0;display:flex}.dj-panel-label{color:var(--color-text-muted);font-size:12px}.dj-panel-chip{background:var(--color-accent-tinted-bg);color:var(--color-accent-tinted-text);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.dj-panel-error{color:var(--color-status-returned-text);margin:8px 0;font-size:12px}.dj-panel-loading{color:var(--color-text-faint);margin:0;font-size:12px}.dj-panel-students{flex-direction:column;gap:4px;margin:8px 0 0;padding:0;list-style:none;display:flex}.dj-panel-student-row{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:6px 0;font-size:13px;display:flex}.dj-panel-toggle{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;border-radius:4px;padding:4px 10px;font-size:12px}.dj-panel-toggle.is-on{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.dj-played-stack{z-index:40;background:var(--color-surface);border-right:1px solid var(--color-border);flex-direction:column;width:320px;transition:transform .26s cubic-bezier(.32,.72,0,1);display:flex;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:8px 0 24px #00000014}.dj-played-stack.is-open{transform:translate(0)}.dj-played-head{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:flex-start;gap:12px;padding:16px 20px;display:flex}.dj-played-title{letter-spacing:-.15px;color:var(--color-text);margin:0;font-size:14px;font-weight:700}.dj-played-subtitle{color:var(--color-text-muted);margin-top:2px;font-size:11px}.dj-played-close{border:1px solid var(--color-border);border-radius:var(--radius-btn);width:32px;height:32px;color:var(--color-text-muted);cursor:pointer;background:0 0;justify-content:center;align-items:center;font-size:16px;display:inline-flex}.dj-played-close:hover{background:var(--color-surface-alt);color:var(--color-text)}.dj-played-list{flex-direction:column;flex:1;gap:4px;margin:0;padding:8px;list-style:none;display:flex;overflow-y:auto}.dj-played-item{cursor:grab;-webkit-user-select:none;user-select:none;border-radius:8px;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;padding:8px 10px;transition:background .15s;animation:.3s dj-played-slide-in;display:grid}.dj-played-item:hover{background:var(--color-surface-alt)}.dj-played-item.is-dragging{opacity:.4}.dj-played-item .dj-track{font-size:13px}.dj-played-item .dj-sub{font-size:11px}.dj-played-thumb{object-fit:cover;color:#fff;background:#fff;border-radius:4px;justify-content:center;align-items:center;width:44px;height:34px;font-size:14px;display:flex}.dj-played-item-title{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.dj-played-delete{width:28px;height:28px;color:var(--color-text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;font-size:14px;display:inline-flex}.dj-played-delete:hover{color:var(--color-danger);background:#c6282814;border-color:#c628284d}.dj-played-foot{border-top:1px solid var(--color-border);color:var(--color-text-muted);text-align:center;padding:10px 20px;font-size:11px}.dj-played-backdrop{z-index:39;opacity:0;pointer-events:none;background:#0000001f;transition:opacity .2s;position:fixed;inset:0}.dj-played-backdrop.is-open{opacity:1;pointer-events:auto}@keyframes dj-played-slide-in{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion:reduce){.dj-played-stack,.dj-played-item,.dj-queue-item,.dj-next-btn,.dj-play-btn,.dj-submit-btn,.dj-ctrl,.dj-action-btn{transition:none!important;animation:none!important}}@media (max-width:959px){.dj-layout{grid-template-columns:minmax(0,1fr)}.dj-side{order:2}.dj-nowplaying-body{grid-template-columns:1fr}.dj-thumb-lg{aspect-ratio:16/9;width:100%;max-width:360px;height:auto}.dj-played-stack{width:min(320px,85vw)}}@media (max-width:640px){.dj-board{padding:16px 12px 32px}.dj-mini-player.is-expanded{width:280px;bottom:12px;right:12px}}.dj-mini-player{z-index:2000;background:var(--color-surface);flex-direction:column;display:flex}.dj-mini-player.is-hidden{display:none}.dj-mini-player.is-docked{box-shadow:none;border:0;border-radius:8px;padding:0;overflow:hidden}.dj-mini-player.is-pip{border:1px solid var(--color-border);resize:none;-webkit-user-select:none;user-select:none;border-radius:10px;gap:6px;padding:8px;box-shadow:0 12px 32px #0000002e}.dj-mini-body{background:#000;border-radius:6px;flex:auto;width:100%;min-height:0;overflow:hidden}.dj-mini-player.is-docked .dj-mini-body{border-radius:8px;height:100%}.dj-mini-player.is-pip .dj-mini-body{aspect-ratio:16/9}.dj-mini-iframe{width:100%;height:100%}.dj-mini-iframe iframe{border:0;width:100%;height:100%}.dj-mini-header{cursor:grab;touch-action:none;align-items:center;gap:8px;padding:2px 4px;display:flex}.dj-mini-header:active{cursor:grabbing}.dj-mini-drag-hint{color:var(--color-text-faint);letter-spacing:-2px;flex:none;padding:0 2px;font-size:12px}.dj-mini-title{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;font-size:12px;font-weight:600;overflow:hidden}.dj-mini-actions{flex:none;gap:4px;display:flex}.dj-mini-btn{border:1px solid var(--color-border);cursor:pointer;color:var(--color-text);touch-action:manipulation;background:0 0;border-radius:4px;padding:3px 8px;font-size:11px}.dj-mini-btn:hover{background:var(--color-surface-alt)}.dj-mini-close{color:var(--color-danger)}.dj-mini-resize{z-index:3;touch-action:none;background:0 0;position:absolute}.dj-mini-resize-e{cursor:ew-resize;width:6px;top:8px;bottom:22px;right:0}.dj-mini-resize-s{cursor:ns-resize;height:6px;bottom:0;left:8px;right:22px}.dj-mini-resize-se{cursor:nwse-resize;opacity:.7;background:#fff;border-radius:0 0 8px;width:18px;height:18px;bottom:0;right:0}.dj-mini-resize-e:hover,.dj-mini-resize-s:hover{background:var(--color-accent-tinted-bg);opacity:.6}.dj-mini-resize-se:hover{opacity:1}.dj-mini-external-placeholder{background:var(--color-surface-alt);width:100%;height:100%;color:var(--color-text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:16px;display:flex}.dj-mini-external-emoji{opacity:.7;font-size:40px}.dj-mini-external-title{color:var(--color-text);font-size:13px;font-weight:600}.dj-mini-player.is-pip{position:fixed}.dj-nowplaying-host{justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.dj-nowplaying-host-img{object-fit:cover;border-radius:8px;width:100%;height:100%;display:block}.dj-nowplaying-host-fallback{color:#fff;font-size:48px}.dj-recap-backdrop{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.dj-recap-modal{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card-hover);flex-direction:column;width:100%;max-width:860px;max-height:92vh;display:flex;overflow:hidden}.dj-recap-head{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:flex-start;gap:16px;padding:24px 28px 16px;display:flex}.dj-recap-eyebrow{letter-spacing:.5px;color:var(--color-accent);margin-bottom:4px;font-size:12px;font-weight:700}.dj-recap-title{color:var(--color-text);margin:0;font-size:22px;font-weight:700}.dj-recap-close{border:1px solid var(--color-border);border-radius:var(--radius-btn);width:36px;height:36px;color:var(--color-text-muted);cursor:pointer;background:0 0;font-size:18px}.dj-recap-close:hover{background:var(--color-surface-alt);color:var(--color-text)}.dj-recap-monthbar{border-bottom:1px solid var(--color-border);justify-content:center;align-items:center;gap:16px;padding:12px 28px;display:flex}.dj-recap-monthbtn{border:1px solid var(--color-border);border-radius:var(--radius-btn);color:var(--color-text-muted);cursor:pointer;background:0 0;padding:6px 12px;font-size:12px}.dj-recap-monthbtn:hover{background:var(--color-surface-alt);color:var(--color-text)}.dj-recap-monthbtn:disabled{opacity:.4;cursor:not-allowed}.dj-recap-monthpill{background:var(--color-accent-tinted-bg);color:var(--color-accent-tinted-text);border-radius:var(--radius-pill);padding:4px 16px;font-size:15px;font-weight:700}.dj-recap-body{flex-direction:column;gap:24px;padding:24px 28px;display:flex;overflow-y:auto}.dj-recap-empty{text-align:center;color:var(--color-text-muted);flex-direction:column;align-items:center;gap:12px;padding:64px 20px;display:flex}.dj-recap-stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.dj-recap-stat{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);text-align:center;padding:16px}.dj-recap-stat-value{letter-spacing:-.5px;color:var(--color-text);font-size:32px;font-weight:700}.dj-recap-stat-unit{color:var(--color-text-muted);margin-left:4px;font-size:14px;font-weight:500}.dj-recap-stat-label{color:var(--color-text-muted);margin-top:4px;font-size:12px}.dj-recap-spotlight{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (max-width:640px){.dj-recap-spotlight{grid-template-columns:1fr}}.dj-recap-spot{border-radius:var(--radius-card);text-align:center;background:#fff;border:1px solid #c9a2274d;flex-direction:column;align-items:center;gap:8px;padding:20px;display:flex}.dj-recap-spot-dj{background:#fff;border-color:#0075de4d}.dj-recap-spot-label{letter-spacing:.5px;color:var(--color-text-muted);font-size:11px;font-weight:700}.dj-recap-spot-thumb{object-fit:cover;background:var(--color-surface-alt);width:120px;height:68px;color:var(--color-text-faint);border-radius:8px;justify-content:center;align-items:center;font-size:24px;display:flex}.dj-recap-spot-thumb-fallback{color:#fff;background:#fff}.dj-recap-spot-avatar{color:#fff;background:#c9a227;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;font-size:28px;font-weight:700;display:flex}.dj-recap-spot-title{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:15px;font-weight:700;overflow:hidden}.dj-recap-spot-meta{color:var(--color-text-muted);font-size:13px}.dj-recap-section{flex-direction:column;gap:10px;display:flex}.dj-recap-sectiontitle{color:var(--color-text);margin:0;font-size:14px;font-weight:700}.dj-recap-songlist{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.dj-recap-songrow{background:var(--color-bg);border-radius:8px;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:12px;padding:8px 12px;display:grid}.dj-recap-pos{color:var(--color-text-muted);text-align:center;font-family:SF Mono,ui-monospace,monospace;font-size:13px;font-weight:700}.dj-recap-pos.top{color:#c9a227}.dj-recap-songthumb{object-fit:cover;background:var(--color-surface-alt);border-radius:4px;justify-content:center;align-items:center;width:56px;height:32px;font-size:14px;display:flex}.dj-recap-songinfo{min-width:0}.dj-recap-songtitle{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.dj-recap-songsub{color:var(--color-text-muted);font-size:11px}.dj-recap-songplays{font-variant-numeric:tabular-nums;color:var(--color-accent);font-size:13px;font-weight:600}.dj-recap-ranking{margin:0;padding:0;list-style:none}.dj-recap-rankrow{align-items:center;gap:10px;padding:6px 0;display:flex}.dj-recap-avatar{width:28px;height:28px;color:var(--color-text);background:#00000014;border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:inline-flex}.dj-recap-avatar.top{color:#fff;background:#c9a227}.dj-recap-rankname{color:var(--color-text);flex:1;font-size:13px}.dj-recap-rankcount{color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-size:12px}.dj-recap-bars{background:var(--color-bg);border-radius:8px;grid-auto-columns:minmax(4px,1fr);grid-auto-flow:column;align-items:end;gap:2px;height:80px;padding:12px;display:grid}.dj-recap-bar{background:0 0;flex-direction:column;justify-content:flex-end;height:100%;display:flex}.dj-recap-bar-fill{background:var(--color-accent);opacity:.8;border-radius:2px}.dj-recap-bar:hover .dj-recap-bar-fill{opacity:1}.dj-recap-bars-xaxis{color:var(--color-text-faint);justify-content:space-between;padding:0 4px;font-size:11px;display:flex}@media (max-width:768px){.board-canvas-wrap-columns{overflow-x:auto}.columns-board{gap:16px;width:max-content;min-width:max-content}.column,.column-add-stack{flex-basis:288px;min-width:288px}.column-cards-scroll{min-height:56px}}
.assign-board{max-width:var(--container-max-width);margin:0 auto}.assign-description{background:var(--color-accent-tinted-bg);border-radius:var(--radius-card);color:var(--color-text);border:1px solid #0075de26;margin-bottom:20px;padding:16px 20px;font-size:14px;line-height:1.6}.assign-progress{margin-bottom:24px}.assign-progress-text{color:var(--color-text);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.assign-progress-bar{background:var(--color-surface-alt);border-radius:4px;height:8px;overflow:hidden}.assign-progress-fill{background:var(--color-accent);border-radius:4px;height:100%;transition:width .3s}.assign-card{background:var(--color-surface);border:var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);cursor:pointer;text-align:center;flex-direction:column;align-items:center;gap:8px;padding:20px 12px;transition:box-shadow .15s,border-color .15s,transform .15s;display:flex}.assign-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.assign-card-none{opacity:.5;cursor:default}.assign-card-none:hover{box-shadow:var(--shadow-card);transform:none}.assign-card-submitted{border-color:#1565c0}.assign-card-reviewed{border-color:#2e7d32}.assign-card-returned{border-color:#c62828}.assign-card-avatar{background:var(--color-accent-tinted-bg);width:48px;height:48px;color:var(--color-accent);border-radius:50%;justify-content:center;align-items:center;font-size:20px;font-weight:700;display:flex}.assign-card-name{color:var(--color-text);font-size:13px;font-weight:600}.assign-card-status{border-radius:var(--radius-pill);padding:3px 8px;font-size:11px;font-weight:600}.assign-card-status.status-submitted{color:#1565c0;background:#e3f2fd}.assign-card-status.status-reviewed{color:#2e7d32;background:#e8f5e9}.assign-card-status.status-returned{color:#c62828;background:#fce4ec}.assign-card-grade{color:var(--color-accent);font-size:14px;font-weight:700}.assign-student-view{max-width:600px;margin:0 auto}.assign-my-submission{background:var(--color-surface);border:var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:24px}.assign-my-header{align-items:center;gap:10px;margin-bottom:16px;display:flex}.assign-badge-submitted{color:#1565c0;border-radius:var(--radius-pill);background:#e3f2fd;padding:4px 12px;font-size:12px;font-weight:600}.assign-badge-reviewed{color:#2e7d32;border-radius:var(--radius-pill);background:#e8f5e9;padding:4px 12px;font-size:12px;font-weight:600}.assign-badge-returned{color:#c62828;border-radius:var(--radius-pill);background:#fce4ec;padding:4px 12px;font-size:12px;font-weight:600}.assign-my-grade{color:var(--color-accent);font-size:16px;font-weight:700}.assign-my-content{color:var(--color-text);white-space:pre-wrap;margin-bottom:12px;font-size:14px;line-height:1.6}.assign-empty-state{text-align:center;background:var(--color-surface);border:var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:60px 24px}.assign-empty-state p{color:var(--color-text-muted);margin:0 0 20px;font-size:15px}.assign-submit-btn-large{padding:14px 32px;font-size:16px}.assign-table-wrap{border:var(--border-card);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-card);overflow-x:auto}.assign-table{border-collapse:collapse;width:100%;font-size:14px}.assign-th-task,.assign-th-student{text-align:left;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);background:var(--color-bg);white-space:nowrap;padding:14px 16px;font-size:13px;font-weight:600}.assign-th-student{text-align:center;min-width:100px}.assign-td-task{color:var(--color-text);border-bottom:1px solid var(--color-border);max-width:240px;padding:14px 16px;font-weight:600}.assign-td-status{text-align:center;border-bottom:1px solid var(--color-border);cursor:pointer;padding:10px 12px;transition:background .1s}.assign-td-status:hover{background:var(--color-surface-alt)}.assign-badge{border-radius:var(--radius-pill);padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.status-submitted .assign-badge,.assign-badge.status-submitted{color:#1565c0;background:#e3f2fd}.status-reviewed .assign-badge,.assign-badge.status-reviewed{color:#2e7d32;background:#e8f5e9}.status-returned .assign-badge,.assign-badge.status-returned{color:#c62828;background:#fce4ec}.status-none{cursor:default}.assign-badge-empty{color:var(--color-text-faint);font-size:12px}.assign-add-btn{border:2px dashed var(--color-border);border-radius:var(--radius-card);color:var(--color-text-faint);font-family:var(--font-body);cursor:pointer;background:0 0;width:100%;margin-top:20px;padding:12px 24px;font-size:14px;font-weight:500;transition:border-color .15s,color .15s}.assign-add-btn:hover{border-color:var(--color-accent);color:var(--color-accent)}.assign-student-list{flex-direction:column;gap:16px;display:flex}.assign-student-card{background:var(--color-surface);border:var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px 24px}.assign-student-card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.assign-student-task-title{font-family:var(--font-display);margin:0;font-size:16px;font-weight:700}.assign-student-submission{border-top:1px solid var(--color-border);color:var(--color-text-muted);padding:12px 0;font-size:14px}.assign-student-submission p{margin:0 0 8px}.assign-link{color:var(--color-accent);word-break:break-all;font-size:13px;text-decoration:none;display:inline-block}.assign-link:hover{text-decoration:underline}.assign-feedback{background:var(--color-accent-tinted-bg);border-radius:6px;margin-top:8px;padding:8px 12px;font-size:13px}.assign-grade{color:var(--color-accent);margin-top:4px;font-size:13px;font-weight:600}.assign-submit-btn{background:var(--color-accent);color:#fff;border-radius:var(--radius-btn);font-family:var(--font-body);cursor:pointer;border:none;margin-top:12px;padding:8px 20px;font-size:13px;font-weight:600;transition:background .15s}.assign-submit-btn:hover{background:var(--color-accent-active)}.assign-view-meta{align-items:center;gap:8px;margin-bottom:8px;display:flex}.assign-view-content{background:var(--color-bg);border:1px solid var(--color-border);white-space:pre-wrap;border-radius:8px;min-height:60px;padding:12px;font-size:14px}.assign-board--teacher,.assign-board--student{max-width:var(--container-max-width);margin:0 auto;padding-bottom:32px}.assign-guide{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);margin-bottom:16px;padding:14px 18px}.assign-guide__label{color:var(--color-text-muted);letter-spacing:.125px;margin-bottom:6px;font-size:12px;font-weight:600}.assign-guide__body{white-space:pre-wrap;font-size:15px;line-height:1.5}.assign-inline-error{background:var(--color-status-returned-bg);color:var(--color-status-returned-text);border-radius:var(--radius-btn);margin-bottom:12px;padding:10px 14px;font-size:13px}.assign-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.assign-board--matrix .assign-grid{grid-template-columns:1fr}.assign-grid__empty{text-align:center;background:var(--color-surface);border:1px dashed var(--color-border);border-radius:var(--radius-card);color:var(--color-text-muted);padding:32px}.assign-grid__empty-hint{color:var(--color-text-faint);margin-top:6px;font-size:13px}.assign-slot{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);cursor:pointer;text-align:left;color:inherit;flex-direction:column;gap:8px;padding:10px;font-family:inherit;transition:border-color 80ms;display:flex}.assign-slot:hover{border-color:var(--color-border-hover)}.assign-slot:disabled{opacity:.6;cursor:not-allowed}.assign-slot__head{justify-content:space-between;align-items:center;gap:6px;display:flex}.assign-slot__num{color:var(--color-text-muted);letter-spacing:.1px;font-size:11px;font-weight:600}.assign-slot__thumb{aspect-ratio:4/3;background:var(--color-slot-placeholder);border-radius:8px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.assign-slot__img{object-fit:cover;width:100%;height:100%;display:block}.assign-slot__placeholder{color:var(--color-text-faint);font-size:24px;font-weight:700}.assign-slot__name{font-size:13px;font-weight:600}.assign-badge{border-radius:var(--radius-pill);letter-spacing:.125px;white-space:nowrap;align-items:center;padding:2px 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