@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--font-family: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-color: #dbeafe;--bg-gradient: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);--card-bg: rgba(255, 255, 255, .95);--primary-color: #1e3a8a;--primary-hover: #1e40af;--accent-color: #3b82f6;--accent-muted: rgba(59, 130, 246, .1);--text-dark: #1e293b;--text-muted: #64748b;--border-color: #cbd5e1;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--border-radius: 16px;--shadow: 0 10px 30px -10px rgba(30, 41, 59, .1);--shadow-lg: 0 20px 40px -15px rgba(30, 41, 59, .15);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-gradient);color:var(--text-dark);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;line-height:1.5}header{padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.4);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:.75rem;font-weight:700;font-size:1.35rem;color:var(--primary-color);letter-spacing:-.5px}.logo svg{color:var(--accent-color)}.nav-buttons{display:flex;gap:.75rem}button{font-family:var(--font-family);font-weight:600;padding:.75rem 1.5rem;border-radius:var(--border-radius);border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:.95rem;transition:var(--transition)}.btn-primary{background-color:var(--accent-color);color:#fff;box-shadow:0 4px 12px #3b82f633}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #3b82f64d}.btn-primary:disabled{background-color:#94a3b8;color:#cbd5e1;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background-color:#fff;border:1px solid var(--border-color);color:var(--text-dark)}.btn-secondary:hover{background-color:#f8fafc;border-color:var(--text-muted);transform:translateY(-2px)}.btn-icon{width:44px;height:44px;padding:0;border-radius:50%;background-color:#fff;border:1px solid var(--border-color);color:var(--text-dark)}.btn-icon:hover{background-color:#f8fafc;border-color:var(--text-muted);transform:scale(1.05)}.container{max-width:1000px;width:100%;margin:0 auto;padding:2rem;flex:1;display:flex;flex-direction:column;justify-content:center}.view{display:none;width:100%;opacity:0;transform:translateY(15px);transition:opacity .4s ease,transform .4s ease}.view.active{display:block;opacity:1;transform:translateY(0)}.home-card{background:var(--card-bg);border-radius:24px;padding:3rem;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6);text-align:center;max-width:650px;margin:0 auto}.home-card h1{font-size:2.25rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem}.home-card p{color:var(--text-muted);font-size:1.1rem;margin-bottom:2rem;line-height:1.6}.start-practice-btn{font-size:1.15rem;padding:1rem 2.5rem;border-radius:20px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid #e2e8f0}.stat-item{text-align:center}.stat-val{font-size:1.75rem;font-weight:700;color:var(--primary-color)}.stat-lbl{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:.25rem}.practice-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:0 .5rem}.timer-box{display:flex;align-items:center;gap:.75rem;font-size:2rem;font-weight:700;color:var(--primary-color)}.timer-box svg{color:var(--accent-color);cursor:pointer;transition:var(--transition)}.timer-box svg:hover{transform:scale(1.1)}.instruction-text{font-size:1.35rem;font-weight:600;color:var(--text-dark);text-align:center;margin:1.5rem 0 2rem}.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:stretch}.image-panel{background:var(--card-bg);border-radius:20px;padding:1rem;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;min-height:350px;position:relative;overflow:hidden}.practice-image{width:100%;height:100%;max-height:400px;object-fit:cover;border-radius:12px;transition:filter .5s ease}.prep-badge{position:absolute;top:1rem;right:1rem;background:#1e293bd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;padding:.6rem 1.2rem;border-radius:20px;font-weight:700;font-size:.95rem;z-index:5;box-shadow:0 4px 12px #00000026;display:flex;align-items:center;transition:var(--transition)}.input-panel{display:flex;flex-direction:column;gap:1rem}.response-textarea{flex:1;min-height:250px;width:100%;padding:1.25rem;border-radius:20px;border:2px solid var(--border-color);font-family:var(--font-family);font-size:1.05rem;resize:none;outline:none;box-shadow:inset 0 2px 4px #00000005;transition:var(--transition)}.response-textarea:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px #3b82f626,inset 0 2px 4px #00000005}.response-textarea:disabled{background-color:#f1f5f9;cursor:not-allowed}.panel-footer{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.95rem;font-weight:500}.action-bar{margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(0,0,0,.08);display:flex;justify-content:space-between;align-items:center}.nav-indicators{display:flex;align-items:center;gap:.5rem}.review-card{background:var(--card-bg);border-radius:24px;padding:2.5rem;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6)}.review-grid{display:grid;grid-template-columns:350px 1fr;gap:2.5rem;margin-bottom:2rem}.review-image-wrapper{border-radius:16px;overflow:hidden;height:350px;box-shadow:var(--shadow)}.review-image-wrapper img{width:100%;height:100%;object-fit:cover}.review-content{display:flex;flex-direction:column;gap:1.5rem}.review-stats{display:flex;gap:2rem;padding-bottom:1.5rem;border-bottom:1px solid #e2e8f0}.text-comparison{background:#f8fafc;border-radius:16px;padding:1.5rem;border:1px solid #e2e8f0;max-height:250px;overflow-y:auto}.text-title{font-weight:700;color:var(--primary-color);margin-bottom:.5rem;font-size:.95rem}.sample-answer-box{background:var(--accent-muted);border-left:4px solid var(--accent-color);border-radius:0 16px 16px 0;padding:1.5rem;margin-top:1rem}.suggested-keywords{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.keyword-tag{background-color:#1e293b14;color:var(--text-dark);padding:.25rem .75rem;border-radius:20px;font-size:.8rem;font-weight:500}.history-title-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.history-card{background:var(--card-bg);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);cursor:pointer;transition:var(--transition)}.history-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.history-img-wrapper{height:180px;width:100%}.history-img-wrapper img{width:100%;height:100%;object-fit:cover}.history-card-body{padding:1.25rem}.history-card-date{font-size:.75rem;color:var(--text-muted);font-weight:600;text-transform:uppercase}.history-card-text{margin-top:.5rem;font-size:.9rem;color:var(--text-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;height:2.8em}.history-card-footer{margin-top:1rem;padding-top:.75rem;border-top:1px solid #f1f5f9;display:flex;justify-content:space-between;font-size:.8rem;font-weight:600;color:var(--text-muted)}.no-history{grid-column:1 / -1;text-align:center;padding:4rem 2rem;color:var(--text-muted);background:var(--card-bg);border-radius:20px;border:1px dashed var(--border-color)}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:#1e293b80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.modal-backdrop.active{display:flex;opacity:1}.modal-content{background:#fff;border-radius:24px;width:90%;max-width:450px;padding:2rem;box-shadow:var(--shadow-lg);transform:scale(.9);transition:transform .3s ease}.modal-backdrop.active .modal-content{transform:scale(1)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-header h2{font-size:1.35rem;font-weight:700;color:var(--primary-color)}.close-modal{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);padding:.25rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:600;color:var(--text-dark);margin-bottom:.5rem;font-size:.9rem}.form-group input{width:100%;padding:.75rem 1rem;border-radius:var(--border-radius);border:1px solid var(--border-color);font-family:var(--font-family);font-size:1rem;outline:none;transition:var(--transition)}.form-group input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f626}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.timer-ticking{animation:pulse 1s infinite ease-in-out;color:var(--error-color)!important}.hidden{display:none!important}@media (max-width: 800px){.practice-grid,.review-grid{grid-template-columns:1fr}.review-image-wrapper{height:250px}.stats-grid{grid-template-columns:1fr;gap:1rem}header{padding:1rem}.container{padding:1rem}}.ai-assessment-box{background:var(--card-bg);border-radius:20px;padding:1.75rem;box-shadow:var(--shadow);border:1px solid rgba(59,130,246,.15);margin-top:1.5rem}.ai-badges-row{display:flex;gap:1.25rem;margin-top:.75rem}.ai-badge-item{flex:1;background:#f8fafc;border:1px solid #e2e8f0;padding:1rem;border-radius:12px;text-align:center}.badge-lbl{font-size:.75rem;font-weight:700;color:var(--text-muted);letter-spacing:.5px;display:block;margin-bottom:.25rem}.badge-val{font-size:1.5rem;font-weight:700;color:var(--accent-color)}#badge-cefr{color:var(--success-color)}.corrections-list li{background:#f8fafc;border:1px solid #e2e8f0;border-left:4px solid var(--error-color);padding:.75rem 1rem;border-radius:4px 8px 8px 4px;font-size:.95rem}.corrections-list li .err-text{color:var(--error-color);text-decoration:line-through;font-weight:500}.corrections-list li .corr-text{color:var(--success-color);font-weight:600}.corrections-list li .correction-explanation{display:block;font-size:.8rem;color:var(--text-muted);margin-top:.25rem}.spinner{width:24px;height:24px;border:3px solid rgba(59,130,246,.2);border-radius:50%;border-top-color:var(--accent-color);animation:spin 1s ease-in-out infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}