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var(--border);background:#fff;border-radius:16px;padding:24px;position:relative}.ask-teachai__header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.ask-teachai__icon{background:var(--primary-light);width:40px;height:40px;color:var(--primary);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.ask-teachai__head-text{flex:1;min-width:0}.ask-teachai__title{color:var(--text-main);font-size:16px;font-weight:700}.ask-teachai__desc{color:var(--text-muted);font-size:13px}.ask-teachai__form{margin-bottom:8px}.ask-teachai__input-box{max-width:calc(100% - 140px);margin-bottom:10px;position:relative}.ask-teachai__input{border:1px solid var(--border);border-radius:var(--radius-pill);width:100%;color:var(--text-main);background:#fafbfe;outline:none;padding:12px 48px 12px 16px;font-size:14px;transition:border-color .15s,box-shadow .15s,background .15s}.ask-teachai__input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--ring);background:#fff}.ask-teachai__submit{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;transition:background .15s;display:flex;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.ask-teachai__submit:hover{background:var(--primary-hover)}.ask-teachai__toolbar{flex-wrap:wrap;align-items:center;gap:12px;max-width:calc(100% - 140px);margin-bottom:18px;display:flex}.ask-teachai__attach{color:var(--text-muted);border-radius:6px;align-items:center;gap:6px;padding:4px 8px;font-size:13px;font-weight:500;transition:background .15s,color .15s;display:inline-flex}.ask-teachai__attach:hover{color:var(--text-main);background:#f3f4f8}.ask-teachai__file-hint{color:var(--primary);font-size:12px;font-weight:500}.ask-teachai__quick-title{margin-bottom:12px;font-size:13px;font-weight:600}.ask-teachai__quick-title span{color:var(--text-muted);font-weight:400}.ask-teachai__tags{flex-wrap:wrap;gap:8px;max-width:calc(100% - 140px);display:flex}.ask-teachai__tag{border:1px solid var(--border);color:var(--text-main);cursor:pointer;background:#fff;border-radius:20px;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:500;transition:all .2s;display:flex;box-shadow:0 1px 2px #00000005}.ask-teachai__tag:hover{background:var(--primary-light);color:var(--primary);border-color:#d4c8ff}.ask-teachai__tag--more{color:var(--text-muted);border-style:dashed}.ask-teachai__tag svg{color:var(--primary)}.ask-teachai__illustration{opacity:.9;width:120px;position:absolute;top:24px;right:24px}.ai-suggest{box-shadow:var(--shadow-sm);border:1px solid var(--border);background:#fff;border-radius:16px;padding:24px}.ai-suggest__header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.ai-suggest__title{color:var(--text-main);align-items:center;gap:8px;font-size:16px;font-weight:700;display:flex}.ai-suggest__title .icon{color:var(--primary)}.ai-suggest__desc{color:var(--text-muted);margin-top:4px;font-size:12px}.ai-suggest__list{flex-direction:column;gap:10px;list-style:none;display:flex}.ai-suggest__item{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fafbfe;align-items:flex-start;gap:12px;padding:12px;transition:border-color .15s,background 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solid var(--border);background:#fff;border-radius:16px;padding:24px}.list-card__header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.list-card__title{color:var(--text-main);align-items:center;gap:8px;font-size:15px;font-weight:700;display:inline-flex}.list-card__title .icon{color:var(--primary)}.list-card__link{color:var(--primary);align-items:center;gap:4px;font-size:12px;font-weight:600;display:inline-flex}.list-card__link:hover{text-decoration:underline}.task-list{list-style:none}.task-item{border-bottom:1px solid var(--border);border-radius:6px;align-items:flex-start;gap:10px;padding:10px 4px;transition:background .15s;display:flex}.task-item:last-child{border-bottom:none}.task-item:hover{background:#fafbfe}.task-item--done{opacity:.55}.task-item--done 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.task-item__title{color:var(--primary)}.task-item__title{color:var(--text-main);margin-bottom:4px;font-size:13px;font-weight:500;line-height:1.4}.task-item__meta{color:var(--text-muted);font-size:11px}.task-item__meta.urgent{color:var(--danger);font-weight:600}.task-item__badge{border-radius:4px;flex-shrink:0;margin-left:auto;padding:2px 6px;font-size:11px;font-weight:700}.task-badge--purple{background:var(--primary-light);color:var(--primary)}.task-badge--blue{background:var(--blue-light);color:var(--blue)}.task-badge--green{background:var(--green-light);color:var(--green)}.task-badge--orange{background:var(--orange-light);color:var(--orange)}.schedule-list{list-style:none}.schedule-item{border-bottom:1px solid var(--border);border-radius:6px;align-items:center;gap:10px;padding:10px 6px;transition:background .15s;display:flex}.schedule-list li:last-child 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