.content-box--content:has(.ws-shell){background:transparent!important;border:none!important;padding:0!important;border-radius:0!important;min-height:auto!important;box-shadow:none!important}.content-box--content:has(.ws-shell):hover{background:transparent!important}.ws-shell{display:flex;gap:0;min-height:600px;padding:0 48px}.ws-mode-bar{display:flex;align-items:center;gap:12px;background:#fff;border-radius:12px;padding:10px 20px;box-shadow:0 1px 3px #0000001a;margin-bottom:16px;flex-wrap:wrap}.ws-mode-bar__breadcrumbs{flex:1;min-width:200px}.ws-mode-tabs{display:flex;gap:4px;background:#f1f5f9;padding:4px;border-radius:10px}.ws-mode-tab{padding:6px 16px;border-radius:7px;font-size:.82rem;font-weight:700;font-family:Nunito,sans-serif;color:#64748b;border:none;background:none;cursor:pointer;display:flex;align-items:center;gap:5px;white-space:nowrap;transition:all .2s}.ws-mode-tab:hover{color:#0f172a;background:#0000000a}.ws-mode-tab.active-print{background:#4661eb;color:#fff}.ws-mode-tab.active-online{background:#0ea5e9;color:#fff}.ws-mode-divider{width:1px;height:28px;background:#e2e8f0;margin:0 4px}.ws-try-online{padding:8px 18px;border-radius:8px;font-size:.8rem;font-weight:700;font-family:Nunito,sans-serif;color:#fff;background:#0ea5e9;border:none;cursor:pointer;display:flex;align-items:center;gap:6px;white-space:nowrap;transition:all .2s;animation:ws-try-pulse 2s ease-in-out infinite}.ws-try-online:hover{background:#0284c7;transform:translateY(-1px);box-shadow:0 4px 12px #0ea5e94d}.ws-try-arrow{font-size:.7rem;transition:transform .2s}.ws-try-online:hover .ws-try-arrow{transform:translate(3px)}@keyframes ws-try-pulse{0%,to{box-shadow:0 0 #0ea5e966}50%{box-shadow:0 0 0 6px #0ea5e900}}.ws-back-print{padding:8px 18px;border-radius:8px;font-size:.8rem;font-weight:700;font-family:Nunito,sans-serif;color:#4661eb;background:#fff;border:2px solid #4661EB;cursor:pointer;display:flex;align-items:center;gap:6px;white-space:nowrap;transition:all .2s}.ws-back-print:hover{background:#4661eb;color:#fff;transform:translateY(-1px)}.ws-back-arrow{font-size:.7rem;transition:transform .2s}.ws-back-print:hover .ws-back-arrow{transform:translate(-3px)}.ws-print-styles{display:flex;gap:3px}.ws-pst{padding:5px 12px;border-radius:6px;font-size:.76rem;font-weight:700;font-family:Nunito,sans-serif;color:#94a3b8;border:1px solid #e2e8f0;background:none;cursor:pointer;transition:all .18s;white-space:nowrap}.ws-pst:hover{color:#374151;border-color:#cbd5e1}.ws-pst.active{background:#475569;color:#fff;border-color:#475569}.ws-sidebar{width:268px;flex-shrink:0;padding:32px 16px 24px 0;position:sticky;top:120px;height:fit-content;display:flex;flex-direction:column;gap:12px}.sb-card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 4px 16px #0000001a,0 1px 3px #0000000f;border:1px solid rgba(0,0,0,.04)}.sb-title{font-size:1rem;font-weight:900;color:#111827;line-height:1.35;margin-bottom:10px}.sb-badges{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}.sb-badge{padding:2px 9px;border-radius:4px;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.sb-grade{background:#dbeafe;color:#1e40af}.sb-subject{background:#fce7f3;color:#9f1239}.sb-difficulty{background:#fef3c7;color:#92400e;text-transform:capitalize}.sb-free{background:#d1fae5;color:#065f46}.sb-info{display:flex;align-items:center;gap:8px;font-size:.8rem;color:#6b7280;padding:4px 0;border-bottom:1px solid #f3f4f6}.sb-info:last-child{border:none}.sb-info i{width:15px;color:#4661eb;text-align:center;font-size:.82rem}.sb-trust-bar{display:flex;flex-direction:column;gap:6px;padding:10px 14px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;margin-bottom:4px}.sb-trust-bar span{display:flex;align-items:center;gap:6px;font-size:.78rem;font-family:Nunito,sans-serif;font-weight:700;color:#065f46}.sb-trust-bar i{color:#10b981;font-size:.8rem}.sb-sec-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#9ca3af;margin-bottom:8px}.act-btn{width:100%;padding:10px 14px;border-radius:9px;font-size:.84rem;font-weight:700;font-family:Nunito,sans-serif;cursor:pointer;display:flex;align-items:center;gap:8px;justify-content:center;border:2px solid transparent;transition:all .2s;margin-bottom:6px}.act-btn:last-child{margin-bottom:0}.btn-print-ws{background:#1e293b;color:#fff}.btn-print-ws:hover{background:#334155;transform:translateY(-1px)}.btn-download{background:#4661eb;color:#fff}.btn-download:hover{background:#3651db;transform:translateY(-1px);box-shadow:0 4px 14px #4661eb4d}.btn-start-online{background:#0ea5e9;color:#fff}.btn-start-online:hover{background:#0284c7;transform:translateY(-1px)}.btn-answer-key{background:#8b5cf6;color:#fff;border-color:#8b5cf6;text-decoration:none}.btn-answer-key:hover{background:#7c3aed;transform:translateY(-1px);box-shadow:0 4px 14px #8b5cf64d}.btn-answers{background:#10b981;color:#fff;border-color:#10b981}.btn-answers:hover{background:#059669;transform:translateY(-1px);box-shadow:0 4px 14px #10b9814d}.related-link{display:block;padding:7px 10px;border-radius:8px;font-size:.78rem;color:#374151;text-decoration:none;border:1px solid #f3f4f6;margin-bottom:5px;font-weight:600;transition:all .15s}.related-link:hover{background:#f0f4ff;border-color:#c7d2fe;color:#4661eb}.sb-style-card{border-left:4px solid #0d9488}.sb-style-desc{font-size:.75rem;color:#6b7280;margin:0 0 12px;line-height:1.4}.sb-style-tabs{display:flex;gap:6px}.sb-style-btn{flex:1;padding:10px 14px;border-radius:9px;font-size:.84rem;font-weight:700;font-family:Nunito,sans-serif;color:#6b7280;border:2px solid #e5e7eb;background:#fff;cursor:pointer;display:flex;align-items:center;gap:8px;justify-content:center;transition:all .2s}.sb-style-btn i{font-size:.9rem;opacity:.5}.sb-style-btn:hover{border-color:#0d9488;color:#0d9488}.sb-style-btn:hover i{opacity:.8}.sb-style-btn.active{border-color:#0d9488;color:#0d9488;background:#fff}.sb-style-btn.active i{opacity:1}.ws-style-mobile{display:none;align-items:center;gap:8px;margin-bottom:10px;padding:14px 16px;background:#fff;border-radius:16px;box-shadow:0 4px 16px #0000001a,0 1px 3px #0000000f;border:1px solid rgba(0,0,0,.04);border-left:4px solid #0d9488}.ws-style-mobile__label{font-size:.75rem;font-weight:700;font-family:Nunito,sans-serif;color:#1f2937;margin-right:4px;flex-shrink:0}.ws-style-mobile__btn{flex:1;padding:8px 14px;border-radius:9px;font-size:.78rem;font-weight:700;font-family:Nunito,sans-serif;color:#6b7280;border:2px solid #e5e7eb;background:#fff;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:5px;justify-content:center}.ws-style-mobile__btn:hover{border-color:#0d9488;color:#0d9488}.ws-style-mobile__btn.active{border-color:#0d9488;color:#0d9488;background:#fff}.ws-main{flex:1;min-width:0;padding:0 0 40px}.ws-view{display:none;margin:0;padding:0}.ws-view.visible{display:block}.ws-sheet-desc{font-size:.95rem;line-height:1.75;color:#374151;background:#f8fafc;border-left:3px solid #4661EB;padding:14px 18px;border-radius:0 8px 8px 0;margin:0 48px 16px}@media (max-width:768px){.ws-sheet-desc{margin-left:16px;margin-right:16px}}.ws-sheet-desc p{margin:0 0 10px}.ws-sheet-desc p:last-child{margin-bottom:0}@media print{.ws-sheet-desc{display:none!important}}.print-bg{background:#f5f0e8;padding:32px;border-radius:8px}@media print{.ws-sidebar,.ws-mode-bar{display:none!important}body{background:#fff!important}.ws-shell{display:block;padding:0}.ws-main{padding:0}.print-bg{background:#fff!important;padding:0!important;border-radius:0}.ws-online-view{display:none!important}.ws-view{display:block!important}.ws-view[data-view=online],.k5-hero-section,.k5-prefooter-ad{display:none!important}.main-content,.content-box--content{padding:0!important}.sa-match-left,.sa-match-right,.sc-match-left,.sc-match-right{background:#fff!important;border-color:#1f2937!important}.sa-match-arrow,.sc-match-arrow{color:#1f2937!important}.sc-tf-row:nth-child(odd){background:transparent!important}.sa-passage{background:#fff!important}}@media (max-width:960px){.ws-shell{flex-direction:column}.ws-sidebar{width:100%;height:auto;position:static;flex-direction:column;gap:10px;padding:16px 0 0;max-height:none;order:2}.ws-main{order:1;padding:0}.sb-card{min-width:0}.sb-style-card{display:none}.ws-style-mobile{display:flex}}@media (max-width:768px){.ws-shell{padding:0 16px}.print-bg,.sc-outer{padding:0;background:transparent;border-radius:0}.ws-mode-bar{padding:8px 12px;gap:8px;border-radius:8px;margin-bottom:12px}.ws-mode-bar__breadcrumbs{min-width:0;flex:1 1 100%}.ws-mode-bar .breadcrumbs{font-size:.72rem;gap:.25rem;padding:4px 0;flex-wrap:wrap}.ws-mode-bar .breadcrumb-separator{margin:0 1px}.ws-mode-tabs{width:100%;justify-content:center}.ws-try-online,.ws-back-print{width:100%;justify-content:center;padding:10px 16px;font-size:.78rem}}