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var(--line-soft)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;padding:12px}.file-grid.compact{padding:8px 0 0}.file-card{display:grid;grid-template-columns:42px minmax(0,1fr);gap:3px 10px;align-items:center;text-align:left;min-height:58px;padding:9px 10px;border-radius:var(--radius-sm);border:1px solid var(--line-soft);background:var(--bg-raised);color:var(--ink);cursor:pointer}.file-card:hover{border-color:var(--lamp-line);background:var(--bg-hover)}.file-kind{grid-row:span 2;width:36px;padding:4px 0;text-align:center;border-radius:5px;background:var(--lamp-soft);color:var(--lamp);font-family:var(--font-mono);font-size:10px}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600}.file-meta{color:var(--ink-faint);font-size:11.5px}.file-empty{color:var(--ink-faint);padding:18px 16px;font-size:13px}.file-empty.sm{padding:10px 0 0}.assignment-files{display:grid;gap:10px;padding:0 12px 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strong,.planning-item span{display:block;overflow:hidden;text-overflow:ellipsis}.planning-item span{color:var(--ink-faint);margin-top:3px}.planning-notes{margin-top:14px}.planning-notes textarea{width:100%;resize:vertical}.color-row{display:flex;align-items:center;gap:10px;padding:7px 0}.color-row input[type=color]{width:34px;height:26px;padding:1px}.grade-prediction{display:flex;align-items:center;gap:7px;margin-top:12px;color:var(--ink-faint);font-size:11px}.grade-prediction input{width:54px;padding:4px 6px}.prediction-result{margin-left:auto;color:var(--blue)}.banner.info{background:var(--blue-soft);border-color:#5b9dd94d;color:var(--blue)}.fade-up{animation:fadeUp .28s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}}.stagger>*{animation:fadeUp .3s ease 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18px}.modal-answer{padding:16px;border-radius:var(--radius-sm);background:var(--bg-raised);color:var(--ink-dim);line-height:1.6;margin-bottom:18px}.modal-close{position:absolute;right:14px;top:10px;background:none;border:0;color:var(--ink-faint);font-size:24px;cursor:pointer}.reader-rail{width:190px;flex:0 0 190px;border-right:1px solid var(--line);padding:14px 10px;background:var(--bg-raised)}.reader-rail-title{font:11px var(--font-mono);letter-spacing:.15em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:12px}.reader-rail button{display:block;width:100%;text-align:left;border:0;background:none;color:var(--ink-dim);padding:9px 8px;border-radius:5px;cursor:pointer;font-size:12px}.reader-rail button:hover,.reader-rail button.active{background:var(--lamp-soft);color:var(--lamp)}.reader-main{flex:1;min-width:0;padding:22px 28px}.guide-reader{display:flex;flex-wrap:wrap;padding:0;max-width:1000px;overflow:hidden}.guide-reader h1,.guide-reader .guide-tools,.guide-reader 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6px);z-index:20;display:flex;flex-direction:column;gap:5px;padding:8px;background:var(--bg-panel);border:1px solid var(--line);border-radius:7px;box-shadow:0 12px 25px #0008;min-width:125px}.row-actions-dropdown .btn{text-align:left;white-space:nowrap}.row-item .row-actions-menu{opacity:1}.due-legend{display:flex;align-items:center;gap:14px;margin:12px 0 16px;font:11px var(--font-mono);color:var(--ink-faint)}.legend-title{color:var(--ink-dim);text-transform:uppercase;letter-spacing:.08em}.legend-item{padding:4px 8px;border:1px solid;border-radius:5px}.due-legend .due-urgent{color:#ff6b6b;border-color:#9e3c45;background:#9e3c451f}.due-legend .due-soon{color:#f4c95d;border-color:#9b7b2b;background:#9b7b2b1f}.due-legend .due-later{color:#67c587;border-color:#3d8054;background:#3d80541f}.assignment-stats{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:-5px 0 16px;color:var(--ink-faint);font:11px 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