@font-face{font-family:Vazirmatn;font-style:normal;font-weight:300 800;font-display:swap;src:url('asset/vazirmatn-arabic.woff2') format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+FB50-FDFF,U+FE70-FEFC}@font-face{font-family:Outfit;font-style:normal;font-weight:300 700;font-display:swap;src:url('asset/outfit-latin.woff2') format('woff2')}@font-face{font-family:'Material Symbols Outlined';font-style:normal;font-weight:100 700;font-display:swap;src:url('asset/material-symbols-outlined-subset.woff2') format('woff2')}.material-symbols-outlined{font-family:'Material Symbols Outlined';font-weight:400;font-style:normal;font-size:24px;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;font-feature-settings:'liga';-webkit-font-smoothing:antialiased}:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--border-color:#334155;--text-primary:#f8fafc;--text-muted:#b6c2d1;--accent-emerald:#10b981;--accent-emerald-strong:#047857;--accent-emerald-light:#34d399;--accent-emerald-glow:rgba(16, 185, 129, 0.15);--accent-amber:#f59e0b;--accent-amber-glow:rgba(245, 158, 11, 0.15);--accent-red:#ef4444;--accent-red-strong:#b91c1c;--accent-red-glow:rgba(239, 68, 68, 0.2);--border-hover:#475569;--shadow-lg:0 18px 45px -18px rgba(0, 0, 0, 0.65);--text-main:var(--text-primary);--card-shadow:0 10px 30px -10px rgba(0, 0, 0, 0.7);--transition-speed:0.3s;--font-fa:'Vazirmatn',system-ui,-apple-system,sans-serif;--font-en:'Outfit',sans-serif}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-tertiary:#f1f5f9;--border-color:#e2e8f0;--text-primary:#0f172a;--text-muted:#475569;--accent-emerald:#047857;--accent-emerald-strong:#065f46;--accent-emerald-light:#10b981;--accent-emerald-glow:rgba(5, 150, 105, 0.1);--accent-amber:#d97706;--accent-amber-glow:rgba(217, 119, 6, 0.1);--accent-red:#b91c1c;--accent-red-strong:#991b1b;--accent-red-glow:rgba(220, 38, 38, 0.1);--border-hover:#94a3b8;--shadow-lg:0 18px 40px -18px rgba(15, 23, 42, 0.18);--text-main:var(--text-primary);--card-shadow:0 10px 25px -10px rgba(15, 23, 42, 0.08)}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-fa);line-height:1.9;overflow-x:hidden;transition:background-color var(--transition-speed),color var(--transition-speed)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}header{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2.5rem;border-bottom:1px solid var(--border-color);padding-bottom:2rem}.header-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.offline-status{display:flex;align-items:flex-start;gap:.6rem;margin-top:.75rem;padding:.7rem .9rem;border:1px solid var(--accent-amber);border-radius:12px;background:var(--accent-amber-glow);color:var(--text-primary);font-size:.82rem;line-height:1.7}.offline-status .material-symbols-outlined{flex:0 0 auto;margin-top:.25rem;color:var(--accent-amber);font-size:1.15rem}.offline-status[hidden]{display:none}.brand{display:flex;align-items:center;gap:1rem}.brand-icon{font-size:48px;color:var(--accent-emerald);display:inline-block;user-select:none}.brand-text h1{font-size:1.75rem;font-weight:800;letter-spacing:-.025em;background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-emerald));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.brand-text p{font-size:.9rem;color:var(--text-muted)}.controls{display:flex;align-items:center;gap:1rem}.theme-btn{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;padding:.6rem;border-radius:50%;width:42px;height:42px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-speed) ease;box-shadow:var(--card-shadow)}.theme-btn:hover{border-color:var(--accent-emerald);transform:rotate(15deg) scale(1.05)}.theme-btn .material-symbols-outlined,.theme-btn svg{font-size:20px;width:auto;height:auto;fill:currentColor;display:flex;align-items:center;justify-content:center}.control-btn{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;padding:.5rem 1rem;border-radius:12px;display:flex;align-items:center;gap:.5rem;font-family:var(--font-fa);font-weight:700;font-size:.85rem;box-shadow:var(--card-shadow);transition:all var(--transition-speed) ease}.control-btn:hover{border-color:var(--accent-red);transform:translateY(-1px);background-color:rgba(255,255,255,.02)}@media (max-width:576px){.control-btn span:not(.material-symbols-outlined){display:none}.control-btn{padding:.6rem;border-radius:50%;width:42px;height:42px;justify-content:center}}.search-container{position:relative;flex-grow:1;max-width:450px}.search-input{width:100%;padding:.75rem 2.75rem .75rem 2.75rem;border-radius:12px;border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);font-family:var(--font-fa);font-size:.95rem;outline:0;transition:all var(--transition-speed) ease}.search-input:focus{border-color:var(--accent-emerald);box-shadow:0 0 0 3px var(--accent-emerald-glow)}.search-icon{position:absolute;top:50%;right:1rem;transform:translateY(-50%);font-size:20px;color:var(--text-muted);pointer-events:none;transition:color var(--transition-speed)}.search-input:focus+.search-icon{color:var(--accent-emerald)}.search-voice-btn{position:absolute;top:50%;left:1rem;transform:translateY(-50%);background:0 0;border:none;color:var(--text-muted);cursor:pointer;padding:0;min-width:24px;min-height:24px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-speed) ease;z-index:5}.search-voice-btn:hover{color:var(--accent-emerald)}.search-voice-btn span{font-size:20px}.search-voice-btn.recording{color:var(--accent-red);animation:pulseMic 1.5s infinite ease-in-out}@keyframes pulseMic{0%{transform:translateY(-50%) scale(1)}50%{transform:translateY(-50%) scale(1.2)}100%{transform:translateY(-50%) scale(1)}}.search-status-banner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;background-color:var(--accent-emerald-glow);border:1px solid var(--accent-emerald);border-radius:12px;color:var(--text-primary);font-family:var(--font-fa);font-size:.9rem;animation:slideDown .3s ease;margin-top:.5rem}.search-status-banner .banner-message{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.search-status-banner a{color:var(--accent-emerald);font-weight:700;text-decoration:underline;cursor:pointer;display:inline-flex;align-items:center;gap:.25rem;transition:opacity .2s ease}.search-status-banner a:hover{opacity:.8}.search-status-banner .switch-eq-link{margin:0 .25rem;padding:.15rem .4rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;text-decoration:none;font-size:.85rem}.search-status-banner .switch-eq-link:hover{border-color:var(--accent-emerald-strong)}.search-badge{display:inline-flex;align-items:center;justify-content:center;background-color:var(--accent-emerald-strong);color:#fff;font-size:.75rem;padding:.15rem .4rem;border-radius:99px;margin-right:.5rem;font-weight:700;vertical-align:middle}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.status-widget{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:9999px;background-color:var(--bg-secondary);border:1px solid var(--border-color);font-size:.85rem;font-weight:500}.status-dot{width:10px;height:10px;border-radius:50%;background-color:var(--accent-amber)}.status-dot.active{background-color:var(--accent-emerald);box-shadow:0 0 10px var(--accent-emerald);animation:pulse 2s infinite}.penalty-banner{background-color:var(--accent-red-glow);border:1px solid var(--accent-red);border-radius:14px;padding:1.25rem 1.5rem;display:flex;align-items:center;gap:1rem;margin-bottom:2rem;animation:slideIn .5s ease-out}.penalty-icon{font-size:28px;color:var(--accent-red);flex-shrink:0;user-select:none}.penalty-text{font-size:.95rem;font-weight:600;color:var(--text-primary)}.tabs{display:flex;justify-content:center;gap:1.5rem;border-bottom:2px solid var(--border-color);margin-bottom:2.5rem;overflow:visible}.tab-btn{background:0 0;border:none;color:var(--text-muted);cursor:pointer;padding:1rem 1.5rem;font-family:var(--font-fa);font-size:1.05rem;font-weight:600;position:relative;transition:color var(--transition-speed)}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent-emerald)}.tab-btn.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background-color:var(--accent-emerald);border-radius:2px}@media (max-width:768px){.tabs{flex-wrap:wrap;gap:.5rem;border-bottom:none;margin-bottom:1.5rem}.tab-btn{flex:1 1 calc(50% - 0.5rem);min-width:140px;text-align:center;border:1px solid var(--border-color);border-radius:10px;padding:.6rem 1rem;font-size:.9rem;background-color:var(--bg-secondary)}.tab-btn.active{background-color:var(--accent-emerald-glow);border-color:var(--accent-emerald)}.tab-btn.active::after{display:none}}@media (max-width:480px){.tab-btn{flex:1 1 100%}}.tab-content{display:none;animation:fadeIn .4s ease-in-out}.tab-content.active{display:block}.eq-content[hidden],.first-aid-text[hidden],.tab-content[hidden]{display:none!important}.rules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:3rem}@media (max-width:480px){.rules-grid{grid-template-columns:1fr;max-width:700px;margin:0 auto 2rem auto}}.rule-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;transition:all var(--transition-speed) cubic-bezier(.4, 0, .2, 1);box-shadow:var(--card-shadow);display:flex;flex-direction:column}.rule-card:hover{transform:translateY(-4px);border-color:var(--accent-emerald);box-shadow:0 12px 30px -10px var(--accent-emerald-glow)}.rule-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px dashed var(--border-color)}.rule-card-icon{font-size:24px;color:var(--accent-emerald);user-select:none}.rule-card-title{font-size:1.15rem;font-weight:700}.rule-list{list-style:none;display:flex;flex-direction:column;gap:1.35rem}.rule-item{position:relative;padding-right:1.75rem;font-size:.95rem;line-height:1.9;margin-bottom:.2rem}.rule-item::before{content:"•";position:absolute;right:0;color:var(--accent-emerald);font-weight:700;font-size:1.3rem;top:-2px}.rule-item.danger-rule::before{content:"•";color:var(--accent-red)}.rule-item.warning-rule::before{content:"•";color:var(--accent-amber)}.rule-item strong{font-weight:700;color:var(--text-primary)}.highlight-mark{background-color:var(--accent-amber-glow);color:var(--accent-amber);padding:.05rem .3rem;border-radius:4px;font-size:.9em;font-weight:600;border:1px solid rgba(245,158,11,.3);display:inline-block;line-height:1.2}.eq-container{display:grid;grid-template-columns:240px 1fr;gap:2rem}@media (max-width:768px){.eq-container{grid-template-columns:minmax(0,1fr);gap:1.25rem}.eq-sidebar{flex-direction:row;flex-wrap:wrap;padding:.5rem;gap:.5rem;max-width:700px;margin:0 auto;width:100%}.eq-nav-btn{flex:1 1 calc(50% - 0.5rem);text-align:center;padding:.6rem;font-size:.9rem}.eq-content{padding:1.5rem 1rem;max-width:700px;margin:0 auto;border-radius:20px;width:100%}}.eq-sidebar{display:flex;flex-direction:column;gap:.5rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);padding:1rem;border-radius:16px;height:fit-content}.eq-nav-btn{background:0 0;border:1px solid transparent;color:var(--text-muted);cursor:pointer;padding:.75rem 1rem;border-radius:10px;font-family:var(--font-fa);font-size:.95rem;font-weight:600;text-align:right;transition:all var(--transition-speed)}.eq-nav-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.eq-nav-btn.active{background-color:var(--accent-emerald-glow);color:var(--accent-emerald);border-color:var(--accent-emerald)}.eq-content{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:2rem;box-shadow:var(--card-shadow);display:none;animation:fadeIn .4s ease;min-width:0}.eq-content.active{display:block}.eq-title{font-size:1.5rem;font-weight:800;margin-bottom:.5rem;color:var(--text-primary)}.eq-subtitle{font-size:.9rem;color:var(--text-muted);margin-bottom:2rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.eq-section{margin-bottom:2.5rem}.eq-section h3{font-size:1.15rem;font-weight:700;margin-bottom:1rem;color:var(--accent-emerald);display:flex;align-items:center;gap:.5rem}.eq-section h3::before{content:"";display:inline-block;width:4px;height:18px;background-color:var(--accent-emerald);border-radius:2px}.eq-list{list-style:none;display:flex;flex-direction:column;gap:.75rem;padding-right:.5rem}.eq-list li{position:relative;padding-right:1.5rem;font-size:.95rem;color:var(--text-muted);line-height:1.9}.eq-list li::before{content:"◦";position:absolute;right:0;color:var(--accent-emerald);font-weight:700;font-size:1.1rem;top:-1px}.eq-list li strong{color:var(--text-primary)}.widget-icon{font-size:20px;color:var(--accent-emerald);vertical-align:middle;margin-left:.5rem;user-select:none}.widget-card{background-color:var(--bg-tertiary);border-radius:12px;padding:1.25rem;margin-top:1.5rem;border:1px solid var(--border-color)}.widget-title{font-size:1rem;font-weight:700;margin-bottom:.75rem;color:var(--text-primary)}.formula-box{margin-top:1.5rem;padding:1.25rem;background-color:var(--bg-primary);border:1px dashed var(--border-color);border-radius:10px;text-align:center}.formula-title{font-size:.85rem;color:var(--text-muted);margin-bottom:.5rem;font-weight:600}.formula-math{font-family:var(--font-en);font-size:clamp(.8rem, 3.2vw, 1.1rem);font-weight:700;color:var(--accent-emerald);margin-bottom:.75rem;direction:ltr;overflow-x:auto;overflow-y:hidden;max-width:100%;scrollbar-width:thin;padding:.5rem 0}.formula-math .katex-display{margin:0;padding:.3rem 0;overflow:visible;max-width:100%;direction:ltr!important}.formula-math .katex{font-size:1em;white-space:nowrap;direction:ltr!important}.formula-latex{font-size:.8rem;color:var(--text-muted);background-color:var(--bg-secondary);padding:.4rem;border-radius:6px;display:inline-block;direction:ltr}.formula-latex code{font-family:monospace}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}@media (max-width:480px){.calc-grid{grid-template-columns:1fr}}.form-group-full{grid-column:span 2}@media (max-width:480px){.form-group-full{grid-column:span 1}}.form-group{display:flex;flex-direction:column;gap:.4rem}.form-group label{font-size:.85rem;font-weight:600;color:var(--text-muted)}.form-input{padding:.5rem .75rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);font-family:var(--font-en);font-size:.95rem;direction:ltr;text-align:left}.form-input:focus{border-color:var(--accent-emerald-strong);box-shadow:0 0 0 3px var(--accent-emerald-glow);outline:0}.btn-primary{background-color:var(--accent-emerald-strong);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:8px;font-family:var(--font-fa);font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--transition-speed);display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary:hover{background-color:#064e3b;transform:translateY(-1px)}.calc-result{background-color:rgba(16,185,129,.05);border:1px dashed var(--accent-emerald);border-radius:8px;padding:.75rem;text-align:center;font-weight:700;font-size:1rem;color:var(--accent-emerald);font-family:var(--font-en);margin-top:1rem;display:none}.form-error{margin-top:.75rem;color:var(--accent-red);font-size:.85rem;font-weight:600;line-height:1.6}.privacy-note{margin-top:.75rem;color:var(--text-muted);font-size:.78rem;line-height:1.7;text-align:center}.calc-result span{font-size:1.25rem}.error-lookup-select{width:100%;max-width:100%;padding:.6rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);font-family:var(--font-fa);font-size:.9rem;outline:0;cursor:pointer}.error-details-box{margin-top:1rem;padding:1rem;background-color:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-color);font-size:.9rem;display:none;animation:fadeIn .3s ease}.error-details-box.danger{border-left:4px solid var(--accent-red)}.error-details-box.warning{border-left:4px solid var(--accent-amber)}.error-details-box.info{border-left:4px solid var(--accent-emerald)}.error-table-container{overflow-x:auto;margin-top:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.error-table{width:100%;border-collapse:collapse;text-align:right;font-size:.9rem}.error-table td,.error-table th{padding:.75rem 1rem;border-bottom:1px solid var(--border-color)}.error-table th{background-color:var(--bg-tertiary);font-weight:700;color:var(--text-primary)}.error-table tr:last-child td{border-bottom:none}.error-code-badge{font-family:var(--font-en);background-color:var(--bg-tertiary);padding:.2rem .5rem;border-radius:4px;font-weight:700;color:var(--accent-amber);cursor:pointer;border:1px solid var(--border-color);transition:all var(--transition-speed)}.error-code-badge:hover{background-color:var(--accent-amber-glow)}.quiz-container{max-width:700px;margin:0 auto;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;padding:2.5rem 2rem;box-shadow:var(--card-shadow)}@media (max-width:480px){.quiz-container{padding:1.5rem 1rem}}.quiz-title{text-align:center;font-size:1.5rem;font-weight:800;margin-bottom:.5rem}.quiz-description{text-align:center;color:var(--text-muted);font-size:.9rem;margin-bottom:2rem}.declaration-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem;border-bottom:1px solid var(--border-color);padding-bottom:1.5rem}.declaration-item{display:flex;align-items:flex-start;gap:.75rem;cursor:pointer}.declaration-checkbox{width:20px;height:20px;border-radius:6px;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:.2rem;transition:all var(--transition-speed)}.declaration-item:hover .declaration-checkbox{border-color:var(--accent-emerald)}.declaration-checkbox .check-icon{font-size:14px;color:#fff;display:none;font-weight:700;user-select:none}.declaration-item.checked .declaration-checkbox{background-color:var(--accent-emerald-strong);border-color:var(--accent-emerald-strong)}.declaration-item.checked .declaration-checkbox .check-icon{display:block}.declaration-text{font-size:.95rem;color:var(--text-primary);user-select:none}.quiz-section{display:none}.quiz-section.active{display:block;animation:fadeIn .4s ease}.question-card{margin-bottom:1.5rem}.question-title{font-size:1.05rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.option-list{display:flex;flex-direction:column;gap:.75rem}.option-item{background-color:var(--bg-tertiary);border:1px solid var(--border-color);padding:.85rem 1rem;border-radius:10px;cursor:pointer;transition:all var(--transition-speed);font-size:.9rem}.option-item:hover{border-color:var(--text-muted)}.option-item.selected{border-color:var(--accent-emerald);background-color:var(--accent-emerald-glow);color:var(--text-primary);font-weight:600}.quiz-actions{display:flex;justify-content:space-between;align-items:center;margin-top:2rem}.progress-bar{flex-grow:1;height:6px;background-color:var(--bg-tertiary);border-radius:3px;margin-left:2rem;overflow:hidden;position:relative}.progress-fill{height:100%;width:0%;background-color:var(--accent-emerald);border-radius:3px;transition:width .3s ease}.student-form-section{display:none;animation:fadeIn .4s ease}.student-form-section.active{display:block}.student-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}@media (max-width:480px){.student-grid{grid-template-columns:1fr}}.student-form-section input{font-family:var(--font-fa)!important;direction:rtl!important;text-align:right!important}.certificate-box{display:none;margin-top:2rem;animation:scaleUp .5s cubic-bezier(.34,1.56,.64,1)}.certificate-box.active{display:block}.certificate{background:var(--bg-secondary);border:4px double var(--accent-emerald);border-radius:18px;padding:2.5rem;position:relative;box-shadow:0 20px 40px rgba(0,0,0,.4);text-align:center;overflow:hidden}.certificate::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(var(--accent-emerald-glow) 1.5px,transparent 1.5px);background-size:15px 15px;opacity:.15;pointer-events:none}.cert-border-corner{position:absolute;width:30px;height:30px;border:4px solid var(--accent-emerald);pointer-events:none}.cert-top-right{top:10px;right:10px;border-left:none;border-bottom:none}.cert-top-left{top:10px;left:10px;border-right:none;border-bottom:none}.cert-bottom-right{bottom:10px;right:10px;border-left:none;border-top:none}.cert-bottom-left{bottom:10px;left:10px;border-right:none;border-top:none}.cert-header{font-size:1.35rem;font-weight:800;color:var(--accent-emerald);margin-bottom:.5rem}.cert-title{font-size:1.75rem;font-weight:800;margin-bottom:1.5rem;letter-spacing:-.02em}.cert-body{font-size:1.05rem;line-height:1.8;margin-bottom:2rem;max-width:550px;margin-left:auto;margin-right:auto;color:var(--text-primary)}.cert-student-name{font-size:1.4rem;font-weight:800;color:var(--accent-emerald);border-bottom:2px dashed var(--border-color);display:inline-block;padding:0 1.5rem .2rem;margin:.5rem 0}.cert-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.cert-info-item{text-align:right}.cert-info-label{font-size:.8rem;color:var(--text-muted)}.cert-info-value{font-size:.95rem;font-weight:700}.cert-badge{width:70px;height:70px;background-color:var(--accent-emerald-glow);border:2px solid var(--accent-emerald);border-radius:50%;display:flex;align-items:center;justify-content:center;align-self:center;margin:0 auto}.cert-badge-icon{font-size:40px;color:var(--accent-emerald);user-select:none}.cert-actions{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleUp{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--accent-amber);outline-offset:3px}.btn-primary:active,.call-action-btn:active,.control-btn:active,.drill-choice-btn:active,.emergency-fab:active,.theme-btn:active{transform:translateY(1px) scale(.99)}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:0s!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:0s!important}}@media (prefers-reduced-transparency:reduce){.emergency-modal-overlay{backdrop-filter:none;-webkit-backdrop-filter:none;background-color:rgba(15,23,42,.96)}}@keyframes slideIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.72}}.highlight{background-color:var(--accent-amber);color:#000;border-radius:2px;padding:.05rem .2rem;font-weight:700;display:inline-block;line-height:1.2}footer{margin-top:5rem;border-top:1px solid var(--border-color);padding:2.5rem 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem}.footer-info{display:flex;flex-direction:column;gap:.25rem}.footer-info p{margin:0;text-align:right;font-size:.85rem;color:var(--text-muted)}.footer-nav{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.5rem 1rem}.footer-nav a{color:var(--accent-emerald-strong);font-size:.8rem;font-weight:700;text-decoration:none}.footer-nav a:focus-visible,.footer-nav a:hover{color:var(--accent-emerald);text-decoration:underline;text-underline-offset:0.2em}.footer-socials{display:flex;align-items:center}.social-icons{display:flex;gap:.75rem;align-items:center}.social-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-muted);text-decoration:none;position:relative;overflow:hidden;z-index:1;transition:transform .4s cubic-bezier(.34, 1.56, .64, 1),border-color .3s ease,box-shadow .3s ease,color .3s ease}.social-icon svg{position:relative;z-index:3;transition:transform .4s cubic-bezier(.34, 1.56, .64, 1)}.social-icon::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;border-radius:50%;opacity:0;z-index:2;transition:opacity .3s ease}.social-icon:hover{transform:translateY(-5px) scale(1.08);color:#fff}.social-icon:hover::before{opacity:1}.social-icon:hover svg{transform:scale(1.15)}.social-icon.github::before{background:linear-gradient(135deg,#24292e 0,#6e5494 100%)}.social-icon.github:hover{border-color:#6e5494;box-shadow:0 8px 20px rgba(110,84,148,.4),0 0 8px rgba(110,84,148,.2)}.social-icon.linkedin::before{background:linear-gradient(135deg,#0077b5 0,#00a0dc 100%)}.social-icon.linkedin:hover{border-color:#00a0dc;box-shadow:0 8px 20px rgba(0,119,181,.4),0 0 8px rgba(0,119,181,.2)}.social-icon.telegram::before{background:linear-gradient(135deg,#08c 0,#24a1de 100%)}.social-icon.telegram:hover{border-color:#24a1de;box-shadow:0 8px 20px rgba(36,161,222,.4),0 0 8px rgba(36,161,222,.2)}@media (max-width:768px){footer{flex-direction:column;text-align:center;gap:1.25rem}.footer-info p{text-align:center}}.chatbot-fab-loader{position:fixed;bottom:2rem;right:2rem;background:linear-gradient(135deg,var(--accent-emerald-strong) 0,#064e3b 100%);color:#fff;border:none;border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 25px rgba(16,185,129,.4);z-index:999}.chatbot-fab-loader svg{width:30px;height:30px;display:block}.chatbot-fab-loader:disabled{cursor:wait;opacity:.75}.emergency-fab{position:fixed;bottom:2rem;left:2rem;background-color:var(--accent-red-strong);color:#fff;border:none;border-radius:9999px;width:58px;height:58px;padding:.85rem;font-family:var(--font-fa);font-weight:700;font-size:.95rem;cursor:pointer;box-shadow:0 10px 25px rgba(239,68,68,.4);display:flex;align-items:center;gap:.5rem;z-index:999;transition:all var(--transition-speed) ease;animation:pulseRed 2s infinite}.emergency-fab:hover{transform:scale(1.05);background-color:#991b1b}.emergency-fab-icon{width:30px;height:30px;display:block}@keyframes pulseRed{0%,100%{opacity:1}50%{opacity:.88}}.emergency-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(15,23,42,.85);backdrop-filter:blur(8px);z-index:1000;display:none;align-items:center;justify-content:center;padding:1.5rem;animation:fadeIn var(--transition-speed)}.emergency-modal-overlay.active{display:flex}.emergency-modal{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;width:100%;max-width:600px;max-height:90vh;overflow:hidden;box-shadow:var(--card-shadow);display:flex;flex-direction:column;animation:scaleUp .3s cubic-bezier(.34,1.56,.64,1)}.emergency-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color)}.emergency-modal-title{display:flex;align-items:center;gap:.75rem;color:var(--accent-red)}.emergency-modal-title h2{font-size:1.25rem;font-weight:800}.emergency-modal-title .header-symbol{font-size:28px;animation:rotateSlow 4s linear infinite}.close-modal-btn{background:0 0;border:none;color:var(--text-muted);cursor:pointer;padding:.4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition-speed)}.close-modal-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}@keyframes rotateSlow{from{transform:rotate(0)}to{transform:rotate(360deg)}}.emergency-modal-body{padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem;flex:1 1 auto;min-height:0;overflow-y:auto;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:var(--text-muted) transparent}.emergency-modal-body::-webkit-scrollbar{width:7px}.emergency-modal-body::-webkit-scrollbar-track{background:0 0}.emergency-modal-body::-webkit-scrollbar-thumb{background:var(--text-muted);border:2px solid transparent;border-radius:999px;background-clip:padding-box}.emergency-modal-body::-webkit-scrollbar-thumb:hover{background:var(--accent-emerald);border-width:1px}.emergency-section-card{border:1px solid var(--border-color);border-radius:14px;padding:1.25rem;background-color:var(--bg-primary)}.emergency-section-card.medical{border-right:4px solid var(--accent-emerald)}.emergency-section-card.fire{border-right:4px solid var(--accent-red)}.emergency-section-card.waste-management{border-right:4px solid var(--accent-amber)}.emergency-section-title{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;color:var(--text-primary)}.emergency-section-card.medical .emergency-section-title span{color:var(--accent-emerald)}.emergency-section-card.fire .emergency-section-title span{color:var(--accent-red)}.emergency-section-card.waste-management .emergency-section-title span{color:var(--accent-amber)}.emergency-section-title h3{font-size:1.05rem;font-weight:700}.emergency-list-items{display:flex;flex-direction:column;gap:.75rem}.emergency-contact-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;gap:1rem}.emergency-contact-item.main-alert{background-color:var(--accent-red-glow);border-color:var(--accent-red)}.emergency-contact-item.main-alert .contact-number{color:var(--accent-red)!important}.contact-info{display:flex;flex-direction:column;gap:.2rem;text-align:right}.contact-name{font-size:.95rem;font-weight:700;color:var(--text-primary)}.contact-number{font-family:var(--font-fa);font-size:1.15rem;font-weight:700;color:var(--accent-emerald);direction:ltr;text-align:right}.contact-address{font-size:.75rem;color:var(--text-muted);margin-top:.1rem}.call-action-btn{background-color:var(--accent-emerald-strong);color:#fff;border:none;border-radius:8px;padding:.4rem .8rem;font-family:var(--font-fa);font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.3rem;text-decoration:none;transition:all var(--transition-speed)}.call-action-btn:hover{background-color:#064e3b;transform:translateY(-1px)}.emergency-contact-item.main-alert .call-action-btn{background-color:var(--accent-red-strong)}.emergency-contact-item.main-alert .call-action-btn:hover{background-color:#991b1b}@media (max-width:480px){.chatbot-fab-loader{bottom:1rem;right:1rem;width:48px;height:48px}.chatbot-fab-loader svg{width:27px;height:27px}.emergency-fab{width:50px;height:50px;padding:.7rem;bottom:1rem;left:1rem}.emergency-contact-item{flex-direction:column;align-items:flex-start;gap:.75rem}.call-action-btn{width:100%;justify-content:center}}.msds-widget-card{transition:all .3s ease}.msds-lookup-row{display:flex;align-items:center;gap:.6rem}.msds-lookup-row .error-lookup-select{flex:1 1 auto;min-width:0}.msds-wikipedia-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;border:0;border-radius:50%;background:0 0;color:var(--text-primary);box-shadow:none;transition:background-color 160ms ease,transform 160ms ease}.msds-wikipedia-button[hidden]{display:none}.msds-wikipedia-button:focus-visible,.msds-wikipedia-button:hover{background:var(--accent-emerald-glow);transform:scale(1.08)}.msds-wikipedia-button:focus-visible{outline:3px solid rgba(0,137,123,.24);outline-offset:2px}.msds-wikipedia-button svg{display:block;width:34px;height:34px}.msds-suggestion-row{display:flex;align-items:center;gap:.35rem;max-width:400px;margin-top:-.85rem;margin-bottom:1.5rem;color:var(--text-muted);font-size:.78rem;line-height:1.6}.text-action-button{padding:0;border:0;background:0 0;color:var(--accent-emerald);font:inherit;cursor:pointer;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:0.18em}.text-action-button:hover{color:var(--accent-emerald-strong)}.chemical-suggestion-modal{max-width:640px}.chemical-suggestion-title{color:var(--accent-emerald)}.chemical-suggestion-icon{width:28px;height:28px;flex:0 0 auto;display:block}.chemical-suggestion-body{gap:1rem}.chemical-suggestion-help,.chemical-suggestion-privacy{margin:0;line-height:1.8}.chemical-suggestion-help{color:var(--text-primary);font-size:.92rem}.chemical-suggestion-privacy{margin-top:.5rem;color:var(--text-muted);font-size:.78rem}.chemical-suggestion-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.chemical-suggestion-grid .form-group{min-width:0}.chemical-suggestion-grid input,.chemical-suggestion-grid textarea{width:100%;box-sizing:border-box;padding:.65rem .75rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-fa);font-size:.9rem;line-height:1.6}.chemical-suggestion-grid textarea{min-height:7rem;resize:vertical}.chemical-suggestion-grid input:focus,.chemical-suggestion-grid textarea:focus{border-color:var(--accent-emerald-strong);box-shadow:0 0 0 3px var(--accent-emerald-glow);outline:0}.chemical-suggestion-grid input[dir=ltr]{font-family:var(--font-en);text-align:left}.suggestion-field-full{grid-column:1/-1}.chemical-suggestion-actions{display:flex;align-items:center;gap:.75rem;margin-top:1rem}.chemical-suggestion-cancel{padding:.6rem 1rem;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-family:var(--font-fa);font-size:.9rem;cursor:pointer;transition:all var(--transition-speed)}.chemical-suggestion-cancel:hover{border-color:var(--text-muted);background:var(--bg-primary)}.chemical-suggestion-feedback{margin:.75rem 0 0;color:var(--accent-emerald);font-size:.85rem;font-weight:600;line-height:1.7}.chemical-suggestion-issue-link{display:inline-flex;margin-top:.75rem;color:var(--accent-emerald);font-size:.85rem;font-weight:700;line-height:1.7}@media (max-width:560px){.chemical-suggestion-grid{grid-template-columns:1fr}.suggestion-field-full{grid-column:auto}.chemical-suggestion-actions{flex-direction:column;align-items:stretch}.chemical-suggestion-actions .btn-primary,.chemical-suggestion-cancel{width:100%}}.msds-details-card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;margin-top:1rem;animation:fadeIn .4s ease;min-width:0}.msds-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color);margin-bottom:1.25rem}.msds-name-fa{font-size:1.35rem;font-weight:800;color:var(--text-primary)}.msds-name-en{font-size:.95rem;color:var(--text-muted);font-family:var(--font-en)}.msds-meta{display:flex;gap:.5rem;flex-wrap:wrap}.msds-meta-badge{background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-muted);font-family:var(--font-en);font-size:.8rem;font-weight:600;padding:.3rem .6rem;border-radius:6px}.msds-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.2fr) minmax(0,1fr);gap:1.5rem;margin-bottom:1.5rem}@media (max-width:992px){.msds-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.25rem}}@media (max-width:768px){.msds-grid{grid-template-columns:minmax(0,1fr);gap:1rem}}.msds-info-section{display:flex;flex-direction:column;gap:.75rem}.msds-section-title{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:700;color:var(--text-primary);border-bottom:2px solid var(--bg-tertiary);padding-bottom:.4rem}.msds-section-title span{font-size:20px}.msds-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.msds-list li{position:relative;padding-right:1.25rem;font-size:.9rem;color:var(--text-muted);line-height:1.6}.msds-list li::before{content:"•";color:var(--accent-emerald);position:absolute;right:0;font-weight:700;font-size:1.1rem;line-height:1}.msds-list.incompatibility-list li::before{color:var(--accent-red)}.msds-container-box{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-right:4px solid var(--accent-emerald);border-radius:8px;padding:.75rem 1rem;font-size:.9rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem;line-height:1.6}.msds-container-box.red-container{border-right-color:var(--accent-red)}.msds-container-box.amber-container{border-right-color:var(--accent-amber)}.msds-container-box.emerald-container{border-right-color:var(--accent-emerald)}.msds-para{font-size:.9rem;color:var(--text-muted);line-height:1.7}.first-aid-tabs{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--border-color);gap:.25rem;margin-bottom:.5rem}.first-aid-tab-btn{background:0 0;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-family:var(--font-fa);font-size:.85rem;font-weight:600;cursor:pointer;padding:.5rem .75rem;transition:all var(--transition-speed);flex:1 1 auto;text-align:center}.first-aid-tab-btn:hover{color:var(--text-primary)}.first-aid-tab-btn.active{color:var(--accent-emerald);border-bottom-color:var(--accent-emerald)}.first-aid-content-box{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:.75rem 1rem;min-height:60px}.first-aid-text{display:none;font-size:.9rem;color:var(--text-muted);line-height:1.7;animation:fadeIn .3s ease}.first-aid-text.active{display:block}.spill-action-box{background-color:var(--accent-amber-glow);border:1px solid rgba(245,158,11,.2);border-right:4px solid var(--accent-amber);border-radius:8px;padding:.75rem 1rem;font-size:.9rem;color:var(--text-primary);line-height:1.7}@media print{body *{visibility:hidden}.certificate-box,.certificate-box *{visibility:visible}.certificate-box{position:absolute;left:0;top:0;width:100%;margin:0;padding:0}.certificate{border:6px double #059669!important;background:#fff!important;color:#000!important;box-shadow:none!important}.certificate::before{display:none}.cert-student-name{color:#059669!important;border-bottom:2px dashed #ccc!important}.cert-badge svg,.cert-header{color:#059669!important;fill:#059669!important}.cert-info-value{color:#000!important}.cert-actions{display:none}}.compatibility-widget-card{transition:all .3s ease}.compat-formula-note{margin:0;color:var(--text-primary);font-size:.9rem;line-height:1.7}.compat-result-box{margin-top:1.5rem;padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);background-color:var(--bg-primary);transition:all .3s ease}.compat-result-box.compatible{border-right:5px solid var(--accent-emerald);background-color:var(--accent-emerald-glow)}.compat-result-box.warning{border-right:5px solid var(--accent-amber);background-color:var(--accent-amber-glow)}.compat-result-box.danger{border-right:5px solid var(--accent-red);background-color:var(--accent-red-glow)}#compat-status-icon.compatible{color:var(--accent-emerald)}#compat-status-icon.warning{color:var(--accent-amber)}#compat-status-icon.danger{color:var(--accent-red)}#compat-status-badge.compatible{background-color:var(--accent-emerald-strong);color:#fff}#compat-status-badge.warning{background-color:var(--accent-amber);color:#000}#compat-status-badge.danger{background-color:var(--accent-red-strong);color:#fff}.nfpa-diamond-container{display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(255,255,255,.015);border:1px solid var(--border-color);border-radius:12px;padding:1.25rem;min-height:180px}.nfpa-diamond{position:relative;width:100px;height:100px;transform:rotate(45deg);margin:1.25rem auto}.nfpa-quadrant{position:absolute;width:46px;height:46px;display:flex;align-items:center;justify-content:center;font-family:var(--font-en);font-size:1.1rem;font-weight:800;border:1px solid rgba(0,0,0,.4)}.nfpa-quadrant.health{top:0;left:0;background-color:#0d47a1;color:#fff;transform:rotate(-45deg)}.nfpa-quadrant.flammability{top:0;right:0;background-color:#b71c1c;color:#fff;transform:rotate(-45deg)}.nfpa-quadrant.instability{bottom:0;right:0;background-color:#fbc02d;color:#000;transform:rotate(-45deg)}.nfpa-quadrant.special{bottom:0;left:0;background-color:#fff;color:#000;transform:rotate(-45deg)}.nfpa-legend{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem 1rem;font-size:.75rem;color:var(--text-muted);width:100%;margin-top:.75rem}.nfpa-legend-item{display:flex;align-items:center;gap:.35rem}.legend-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.legend-dot.health{background-color:#0d47a1}.legend-dot.flammability{background-color:#b71c1c}.legend-dot.instability{background-color:#fbc02d}.legend-dot.special{background-color:#fff;border:1px solid var(--border-color)}.msds-ghs-container{display:flex;flex-wrap:wrap;gap:1rem;background:rgba(255,255,255,.015);border:1px solid var(--border-color);border-radius:12px;padding:1rem;min-height:90px;align-items:center;justify-content:center}.ghs-badge{display:flex;flex-direction:column;align-items:center;gap:.35rem;width:60px;text-align:center}.ghs-diamond-wrapper{width:36px;height:36px;background:#fff;border:2px solid #b71c1c;transform:rotate(45deg);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(0,0,0,.25);transition:transform .2s ease}.ghs-diamond-wrapper:hover{transform:rotate(45deg) scale(1.1)}.ghs-symbol{transform:rotate(-45deg);font-size:20px;color:#000;display:inline-block;user-select:none}.ghs-label{font-size:.65rem;color:var(--text-muted);font-weight:600;white-space:nowrap}.spill-scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1rem}.drill-scenario-card{background-color:rgba(255,255,255,.02);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;transition:all .3s cubic-bezier(.4, 0, .2, 1);position:relative;overflow:hidden}.drill-scenario-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:0 0;transition:background-color .3s ease}.drill-scenario-card[data-scenario=acid]::before{background:var(--accent-red)}.drill-scenario-card[data-scenario=solvent]::before{background:var(--accent-amber)}.drill-scenario-card[data-scenario=mercury]::before{background:#90a4ae}.drill-scenario-card:hover{transform:translateY(-5px);border-color:var(--border-hover);box-shadow:var(--shadow-lg);background-color:rgba(255,255,255,.04)}.drill-card-header{display:flex;align-items:center;gap:.75rem}.drill-card-header h3{margin:0;font-size:1.05rem;font-weight:700;color:var(--text-primary)}.drill-icon{font-size:2rem}.drill-scenario-card p{margin:0;font-size:.85rem;line-height:1.6;color:var(--text-muted);flex-grow:1}.select-scenario-btn{width:100%;padding:.6rem;font-size:.85rem;font-weight:700;border-radius:8px;cursor:pointer;margin-top:.5rem}.drill-active-panel{background-color:rgba(255,255,255,.015);border:1px solid var(--border-color);border-radius:16px;padding:2rem;margin-top:1.5rem;animation:fadeIn .4s ease-out}.drill-status-bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin-bottom:2rem;flex-wrap:wrap}.drill-active-title{font-weight:700;font-size:1.1rem;color:var(--text-primary)}.drill-progress-bar-container{flex-grow:1;height:8px;background:rgba(255,255,255,.05);border-radius:4px;overflow:hidden;max-width:500px}.drill-progress-bar{height:100%;background:linear-gradient(90deg,var(--accent-emerald),var(--accent-emerald-light));width:0%;border-radius:4px;transition:width .4s cubic-bezier(.4, 0, .2, 1)}.drill-step-indicator{font-size:.85rem;font-weight:700;color:var(--text-muted);background:rgba(255,255,255,.04);padding:.25rem .75rem;border-radius:20px;border:1px solid var(--border-color)}.drill-step-box{background:rgba(255,255,255,.02);border:1px solid var(--border-color);border-radius:12px;padding:1.75rem;margin-bottom:1.5rem}.drill-question-text{margin:0 0 1.5rem 0;font-size:1.05rem;font-weight:700;line-height:1.6;color:var(--text-primary)}.drill-choices-container{display:flex;flex-direction:column;gap:.75rem}.drill-choice-btn{text-align:right;padding:1rem 1.25rem;background-color:rgba(255,255,255,.03);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-family:var(--font-fa);font-size:.9rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.75rem;line-height:1.5}.drill-choice-btn:hover{background-color:rgba(255,255,255,.06);border-color:var(--border-hover);transform:translateX(-3px)}.drill-choice-btn.selected-incorrect{background-color:var(--accent-red-glow);border-color:var(--accent-red);color:var(--accent-red)}.drill-choice-btn.selected-correct{background-color:var(--accent-emerald-glow);border-color:var(--accent-emerald);color:var(--accent-emerald)}.drill-choice-btn.disabled{pointer-events:none;opacity:.6}.drill-feedback-box{border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;animation:slideUp .3s ease-out}.drill-feedback-box.correct{background-color:var(--accent-emerald-glow);border:1px solid var(--accent-emerald)}.drill-feedback-box.incorrect{background-color:var(--accent-red-glow);border:1px solid var(--accent-red)}.feedback-header{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:.95rem;margin-bottom:.5rem}.drill-feedback-box.correct .feedback-header{color:var(--accent-emerald)}.drill-feedback-box.incorrect .feedback-header{color:var(--accent-red)}#drill-feedback-desc{margin:0;font-size:.9rem;line-height:1.6;color:var(--text-primary)}.drill-complete-box{display:flex;flex-direction:column;align-items:center;text-align:center;padding:2.5rem;animation:scaleUp .4s ease-out}.complete-icon{font-size:4rem;color:var(--accent-emerald);margin-bottom:1rem}.drill-complete-box h3{margin:0 0 .75rem 0;font-size:1.4rem;font-weight:700;color:var(--text-primary)}.drill-complete-box p{margin:0 0 1.5rem 0;font-size:1.05rem;color:var(--text-muted)}.drill-recap-notes{background:rgba(255,255,255,.02);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;max-width:600px;width:100%;text-align:right}.recap-title{font-weight:700;font-size:.95rem;margin-bottom:.75rem;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.recap-list{margin:0;padding-right:1.25rem;font-size:.85rem;line-height:1.6;color:var(--text-muted)}.recap-item{margin-bottom:.5rem}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleUp{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}