@import url(https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap);body{-moz-osx-font-smoothing:grayscale;font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--primary:#e8527a;--primary-hover:#d4405f;--primary-light:#ffe4ec;--secondary:#27a85a;--secondary-hover:#1e8f4a;--secondary-light:#e6faf0;--accent:#f5c800;--accent-light:#fff9d6;--success:#27a85a;--success-light:#e6faf0;--danger:#e8527a;--error:#dc2626;--error-light:#fef2f2;--bg:#fffef5;--card:#fff;--text:#2d2d2d;--text-primary:#2d2d2d;--text-secondary:#889;--border:#ede9f0;--border-light:#f7f5ff;--shadow-sm:0 1px 3px #e8527a14;--shadow:0 4px 16px #e8527a1f;--shadow-md:0 10px 28px #e8527a24;--shadow-lg:0 20px 48px 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2px}.dash-tab{background:none;border:none;color:#889;color:var(--text-secondary);font-size:14px;font-weight:600;padding:12px 20px;position:relative;transition:all .2s;white-space:nowrap}.dash-tab--active,.dash-tab:hover{color:#e8527a;color:var(--primary)}.dash-tab--active:after{background:#e8527a;background:var(--primary);border-radius:2px;bottom:-2px;content:"";height:2px;left:0;position:absolute;right:0}.dash-tab-count{background:#fffef5;background:var(--bg);border:1px solid #ede9f0;border:1px solid var(--border);border-radius:10px;color:#889;color:var(--text-secondary);font-size:11px;margin-left:6px;padding:2px 7px;transition:all .2s}.dash-tab--active .dash-tab-count{background:#ffe4ec;background:var(--primary-light);border-color:#ffe4ec;border-color:var(--primary-light);color:#e8527a;color:var(--primary)}.grade-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;padding:4px 0}.grade-tab{background:#fff;border:1.5px solid #ede9f0;border:1.5px solid var(--border);border-radius:100px;color:#889;color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:600;padding:7px 18px;transition:all .2s}.grade-tab:hover{color:#e8527a;color:var(--primary)}.grade-tab--active,.grade-tab:hover{border-color:#e8527a;border-color:var(--primary)}.grade-tab--active{background:#e8527a;background:var(--primary);box-shadow:0 2px 8px #4f46e54d;color:#fff}.request-list{display:flex;flex-direction:column;gap:10px}.request-card{align-items:center;background:#fff;background:var(--card);border-radius:18px;border-radius:var(--radius);box-shadow:0 1px 3px #e8527a14;box-shadow:var(--shadow-sm);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding:16px 20px}.request-info 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#e8527a1f;box-shadow:var(--shadow);transform:translateY(-1px)}.stc-left{align-items:center;display:flex;gap:14px}.stc-info{display:flex;flex-direction:column;gap:2px}.stc-name{color:#2d2d2d;color:var(--text);font-size:15px;font-weight:700}.stc-email{color:#889;color:var(--text-secondary);font-size:12px}.stc-right{gap:16px}.stc-right,.stc-task-stats{align-items:center;display:flex}.stc-task-stats{gap:10px}.stc-stat{align-items:center;display:flex;flex-direction:column;gap:1px}.stc-stat-num{color:#2d2d2d;color:var(--text);font-size:18px;font-weight:700;line-height:1}.stc-stat-num--done{color:#27a85a;color:var(--success)}.stc-stat-num--pending{color:#f5c800;color:var(--accent)}.stc-stat-label{color:#889;color:var(--text-secondary);font-size:10px;letter-spacing:.5px;text-transform:uppercase}.stc-divider{color:#ede9f0;color:var(--border);font-size:18px}.stc-progress-wrapper{display:flex;flex-direction:column;gap:4px;min-width:100px}.stc-progress-bar{background:#fffef5;background:var(--bg);border-radius:100px;height:6px;overflow:hidden;width:100%}.stc-progress-fill{background:linear-gradient(135deg,#e8527a,#f5c800);background:var(--gradient-primary);border-radius:100px;height:100%;transition:width .8s cubic-bezier(.16,1,.3,1)}.chip{background:#fff;border:1px solid #ede9f0;border:1px solid var(--border);border-radius:100px;color:#889;color:var(--text-secondary);font-size:13px;font-weight:500;padding:5px 12px}.chip--sm{font-size:11px;padding:3px 9px}.chip--outline{background:#0000}.chip--success{background:#e6faf0;background:var(--success-light);border-color:#27a85a;border-color:var(--success);color:#27a85a;color:var(--success)}.chip--danger{background:#fef2f2;background:var(--error-light);border-color:#dc2626;border-color:var(--error);color:#dc2626;color:var(--error)}.empty-state{background:#fff;background:var(--card);border-radius:18px;border-radius:var(--radius);box-shadow:0 1px 3px #e8527a14;box-shadow:var(--shadow-sm);padding:40px 24px;text-align:center}.empty-state span{display:block;font-size:40px;margin-bottom:12px}.empty-state p{color:#889;color:var(--text-secondary);font-size:14px;line-height:1.6;margin:0 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strong{color:#2d2d2d;color:var(--text);font-size:15px;font-weight:700}.school-meta{color:#889;color:var(--text-secondary);font-size:12px}.school-teacher{color:#e8527a;color:var(--primary);font-size:12px;font-weight:600}.btn-join{background:#e8527a;background:var(--primary);border:none;border-radius:12px;border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-size:13px;font-weight:600;padding:8px 16px;transition:all .15s;white-space:nowrap}.btn-join:hover:not(:disabled){background:#d4405f;background:var(--primary-hover);transform:translateY(-1px)}.btn-join:disabled{cursor:not-allowed;opacity:.55}.task-quick-list{display:flex;flex-direction:column;gap:8px}.task-row{align-items:center;background:#fff;border:1px solid #f7f5ff;border:1px solid var(--border-light);border-radius:12px;border-radius:var(--radius-sm);box-shadow:0 1px 3px #e8527a14;box-shadow:var(--shadow-sm);cursor:pointer;display:flex;justify-content:space-between;padding:14px 18px;transition:all .2s 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