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rgba(0,0,0,.1))}.promo-feature-title{font-size:1rem;font-weight:700;color:var(--text-bright);margin-bottom:8px}.promo-feature-desc{font-size:.85rem;line-height:1.6;color:var(--text-muted)}.promo-footer{padding:32px 0;text-align:center;color:var(--text-muted);font-size:.8rem;border-top:1px solid var(--border-color);width:100%;max-width:900px}@media(max-width:768px){.promo-hero-title{font-size:1.7rem}.promo-hero-description{font-size:.9rem}.promo-hero-description br{display:none}.promo-features{grid-template-columns:1fr;gap:14px}.promo-feature-card{padding:22px 20px}}.teacher-dashboard,.parent-dashboard{max-width:960px;margin:0 auto}.teacher-tabs{display:flex;gap:4px;padding:8px 0;margin-bottom:20px;border-bottom:1px solid var(--bg-tertiary);overflow-x:auto}.teacher-tab{display:flex;align-items:center;gap:6px;padding:10px 18px;border:none;background:none;color:var(--text-secondary);font-size:.92rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all 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var(--bg-tertiary)}.student-name-cell{display:flex;align-items:center;gap:10px}.student-avatar-sm{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),#6366f1);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;flex-shrink:0}.attendance-controls{display:flex;gap:12px;margin-bottom:20px;align-items:center}.attendance-controls input[type=date]{padding:10px 14px;border:1px solid var(--bg-tertiary);border-radius:10px;font-size:.9rem}.attendance-list{display:flex;flex-direction:column;gap:8px}.attendance-row{display:flex;justify-content:space-between;align-items:center;background:var(--bg-secondary);padding:12px 16px;border-radius:12px}.attendance-btns{display:flex;gap:6px}.att-btn{padding:6px 14px;border:1px solid var(--bg-tertiary);border-radius:8px;font-size:.82rem;cursor:pointer;background:#fff;transition:all 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h3{margin:0;font-size:1.05rem}.child-classes{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.child-class-item{display:flex;justify-content:space-between;align-items:center;font-size:.88rem}.class-name{font-weight:600}.teacher-name{color:var(--text-secondary);font-size:.82rem}.child-stats{display:flex;flex-direction:column;gap:10px}.child-stat{display:flex;justify-content:space-between;align-items:center}.child-stat-label{font-size:.85rem;color:var(--text-secondary)}.child-stat-value{font-weight:700;font-size:.95rem}.child-stat-value.warn{color:#ef4444}.child-attendance-tags{display:flex;gap:6px;flex-wrap:wrap}.notif-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--bg-tertiary)}.notif-item:last-child{border-bottom:none}.notif-item.unread .notif-msg{font-weight:600}.notif-msg{font-size:.88rem;flex:1}.notif-time{font-size:.78rem;color:var(--text-secondary);white-space:nowrap;margin-left:12px}.timeline-section h3{font-size:1.05rem;font-weight:700;margin-bottom:20px}.timeline-list{position:relative;padding-left:32px}.timeline-list:before{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:var(--bg-tertiary)}.timeline-item{position:relative;margin-bottom:20px;background:var(--bg-secondary);border-radius:14px;padding:16px}.timeline-dot{position:absolute;left:-26px;top:16px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.9rem;background:#fff;border-radius:50%;z-index:1}.timeline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.timeline-type-badge{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:6px;text-transform:uppercase}.timeline-lesson .timeline-type-badge{background:#dbeafe;color:#1d4ed8}.timeline-test .timeline-type-badge{background:#fce7f3;color:#be185d}.timeline-assignment .timeline-type-badge{background:#d1fae5;color:#065f46}.timeline-date{font-size:.78rem;color:var(--text-secondary)}.timeline-content h4{margin:0 0 4px;font-size:.95rem}.timeline-class{font-size:.82rem;color:var(--text-secondary)}.timeline-summary,.timeline-pages,.timeline-score,.timeline-status{font-size:.85rem;margin-top:6px;color:var(--text-secondary)}.timeline-score strong{color:var(--text-bright)}.trend-section h3{font-size:1.05rem;font-weight:700;margin-bottom:20px}.trend-chart{display:flex;gap:8px;align-items:flex-end;justify-content:center;height:200px;padding:20px;background:var(--bg-secondary);border-radius:16px;margin-bottom:20px}.trend-bar-group{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;max-width:60px}.trend-bar-wrapper{width:100%;height:160px;display:flex;align-items:flex-end}.trend-bar{width:100%;border-radius:6px 6px 0 0;background:linear-gradient(to 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h3{font-size:1.05rem;font-weight:700;margin-bottom:16px}.comments-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.comment-bubble{max-width:80%;padding:12px 16px;border-radius:14px;font-size:.9rem}.comment-bubble.from-teacher{align-self:flex-start;background:#dbeafe;border-bottom-left-radius:4px}.comment-bubble.from-parent{align-self:flex-end;background:#d1fae5;border-bottom-right-radius:4px}.comment-meta{display:flex;justify-content:space-between;margin-bottom:6px;font-size:.78rem;color:var(--text-secondary)}.comment-author{font-weight:600}.comment-bubble p{margin:0;line-height:1.5}.comment-reply-box{display:flex;gap:10px;align-items:flex-end}.comment-reply-box textarea{flex:1;padding:10px 14px;border:1px solid var(--bg-tertiary);border-radius:12px;font-size:.9rem;min-height:44px;resize:none}.btn-primary{padding:10px 20px;background:var(--color-accent);color:#fff;border:none;border-radius:10px;font-weight:600;font-size:.9rem;cursor:pointer;transition:background 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#00000008}.lf-card:hover{transform:translateY(-1px);box-shadow:0 6px 16px #00000014;border-color:#e5e7eb}.lf-card-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.lf-card-subject{padding:3px 10px;border-radius:16px;font-size:11px;font-weight:700}.lf-card-class{font-size:12px;color:#6b7280}.lf-card-status{padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;margin-left:auto}.lf-card-title-row{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}.lf-card-seq{font-size:12px;font-weight:700;color:#9ca3af}.lf-card-title{font-size:16px;font-weight:700;color:#111827}.lf-rows{display:flex;flex-direction:column;gap:8px;padding:10px 0;border-top:1px solid #f9fafb;border-bottom:1px solid #f9fafb}.lf-row{display:flex;gap:12px;align-items:flex-start;font-size:13px}.lf-row-label{font-weight:600;color:#6b7280;flex-shrink:0;width:64px;padding-top:2px}.lf-row-value{flex:1;color:#374151;line-height:1.5}.lf-row-empty{color:#d1d5db;font-style:italic}.lf-pages{color:#9ca3af;font-size:12px}.lf-progress-bar{background:#f3f4f6;border-radius:4px;height:5px;overflow:hidden;margin-top:4px}.lf-progress-fill{height:100%;border-radius:4px;transition:width .4s}.lf-att{padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;display:inline-block}.lf-att.att-present{background:#dcfce7;color:#15803d}.lf-att.att-late{background:#fef3c7;color:#b45309}.lf-att.att-absent{background:#fee2e2;color:#b91c1c}.lf-assignment,.lf-test{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:3px 0}.lf-assignment-title,.lf-test-title{flex:1;min-width:0}.lf-due{font-size:11px;padding:1px 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60%);pointer-events:none}.tb-promo-flow-title{font-size:1.1rem;font-weight:700;color:#fff;text-align:center;margin-bottom:32px;position:relative;z-index:1}.tb-flow-diagram{display:flex;flex-direction:column;gap:24px;align-items:center;position:relative;z-index:1}.tb-flow-row{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;flex-wrap:wrap}.tb-flow-node{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-full);font-size:.82rem;font-weight:700;white-space:nowrap;transition:all .3s ease;position:relative}.tb-flow-node:hover{transform:scale(1.05)}.tb-flow-node.teacher{background:#22c55e26;color:#4ade80;border:1px solid rgba(34,197,94,.3)}.tb-flow-node.student{background:#3b82f626;color:#60a5fa;border:1px solid rgba(59,130,246,.3)}.tb-flow-node.parent{background:#ec489926;color:#f472b6;border:1px solid rgba(236,72,153,.3)}.tb-flow-node.table{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3);padding:14px 22px;font-size:.9rem}.tb-flow-node.link{background:#8b5cf626;color:#a78bfa;border:1px solid rgba(139,92,246,.3);font-size:.78rem;padding:8px 14px}.tb-flow-arrow{color:#ffffff4d;font-size:1.2rem;flex-shrink:0}.tb-flow-arrow-label{font-size:.7rem;color:#ffffff73;text-align:center;flex-shrink:0}.tb-flow-connector{display:flex;flex-direction:column;align-items:center;gap:2px}.tb-flow-desc{display:flex;flex-direction:column;gap:10px;margin-top:28px;position:relative;z-index:1}.tb-flow-desc-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;background:#ffffff0a;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.06)}.tb-flow-desc-icon{font-size:1.1rem;flex-shrink:0;margin-top:1px}.tb-flow-desc-text{font-size:.82rem;color:#ffffffb3;line-height:1.6}.tb-flow-desc-text strong{color:#fffffff2;font-weight:700}.tb-promo-features{display:grid;grid-template-columns:1fr;gap:16px}.tb-promo-fcard{background:var(--color-bg-elevated);border:1px solid 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p{font-size:.8rem;color:var(--color-text-tertiary);line-height:1.6;margin-bottom:6px}.tb-promo-guide-go{font-size:.8rem;font-weight:700;color:var(--color-primary)}.tb-promo-guide-go-muted{color:var(--color-text-tertiary);font-weight:600}.tb-promo-footer{text-align:center;padding:32px 24px;border-top:1px solid var(--color-border-light);color:var(--color-text-tertiary);font-size:.78rem}@keyframes tb-promo-fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.tb-promo-hero-inner{animation:tb-promo-fadeUp .8s ease-out}.tb-promo-compare{animation:tb-promo-fadeUp .8s ease-out .1s both}.tb-promo-flow{animation:tb-promo-fadeUp .8s ease-out .2s both}.tb-promo-fcard:nth-child(1){animation:tb-promo-fadeUp .6s ease-out .3s both}.tb-promo-fcard:nth-child(2){animation:tb-promo-fadeUp .6s ease-out .4s both}.tb-promo-fcard:nth-child(3){animation:tb-promo-fadeUp .6s ease-out .5s 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