:root{--bg-base:#0a0914;--bg-surface:#121120a6;--bg-surface-solid:#111020;--border-color:#8b5cf626;--border-hover:#8b5cf659;--color-primary:#8b5cf6;--color-primary-light:#a78bfa;--color-accent:#c084fc;--color-success:#10b981;--color-success-light:#34d399;--color-error:#f43f5e;--color-error-light:#fb7185;--color-warning:#f59e0b;--color-text-main:#f3f4f6;--color-text-muted:#8b8ea1;--sidebar-width:320px;--border-radius-lg:20px;--border-radius-md:12px;--border-radius-sm:8px;--shadow-main:0 10px 40px #0000008c;--shadow-glow:0 0 20px #8b5cf640;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--color-text-main);background-image:radial-gradient(circle at 15% 15%,#8b5cf614 0%,#0000 40%),radial-gradient(circle at 85% 85%,#c084fc0f 0%,#0000 40%);min-height:100vh;font-family:Inter,sans-serif;overflow-x:hidden}h1,h2,h3,h4{letter-spacing:-.3px;font-family:Outfit,sans-serif;font-weight:700}.app-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-color);-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);z-index:10;background-color:#0a0914e6;flex-direction:column;padding:2rem 1.5rem;display:flex}.brand{align-items:center;gap:12px;margin-bottom:1.5rem;display:flex}.logo-icon{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 8px #8b5cf666);-webkit-background-clip:text;font-size:2.2rem}.brand-text h1{background:linear-gradient(90deg,#fff,#f3e8ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.45rem}.brand-text span{text-transform:uppercase;letter-spacing:1.5px;color:var(--color-accent);font-size:.72rem;font-weight:600}.progress-tracker-card{border-radius:var(--border-radius-md);background-color:#ffffff08;border:1px solid #ffffff0d;margin-bottom:2rem;padding:1rem}.progress-details{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.progress-details span{letter-spacing:1px;color:var(--color-text-muted);font-size:.7rem;font-weight:700}.progress-details strong{color:var(--color-success-light);font-size:.85rem}.progress-bar-bg{background-color:#ffffff0f;border-radius:10px;height:6px;overflow:hidden}.progress-bar{background:linear-gradient(to right, var(--color-primary), var(--color-success));border-radius:10px;height:100%;transition:width .4s}.nav-menu{flex-direction:column;flex-grow:1;gap:12px;display:flex;overflow-y:auto}.nav-btn{color:var(--color-text-muted);border-radius:var(--border-radius-md);cursor:pointer;text-align:left;transition:var(--transition-smooth);background:#ffffff03;border:1px solid #ffffff08;align-items:center;gap:12px;width:100%;padding:12px 16px;display:flex;position:relative}.nav-btn:hover:not(.locked){border-color:var(--border-hover);color:#fff;background-color:#ffffff08;transform:translate(4px)}.nav-btn.active{border:1px solid var(--border-color);color:#fff;box-shadow:var(--shadow-glow);background:linear-gradient(135deg,#8b5cf626,#c084fc0d)}.nav-btn.module-link.completed{border-color:#10b98133}.nav-btn.module-link.completed .module-number{color:var(--color-success);background-color:#10b98126;border-color:#10b9814d}.module-number{width:36px;height:36px;color:var(--color-text-main);background-color:#ffffff05;border:1px solid #ffffff14;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700;display:flex}.nav-btn.module-link.active .module-number{background:var(--color-primary);border-color:var(--color-primary-light);color:#fff}.module-info{flex-direction:column;flex-grow:1;display:flex}.module-info h4{color:var(--color-text-main);margin-bottom:2px;font-size:.88rem;font-weight:600}.module-sub{text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);font-size:.72rem;font-weight:500}.status-icon{color:var(--color-text-muted);font-size:.9rem}.nav-btn.module-link.completed .status-icon{color:var(--color-success)}.nav-btn.module-link.locked{opacity:.5;cursor:not-allowed}.sidebar-footer{border-top:1px solid #ffffff0d;padding-top:1.5rem}.reset-btn{color:var(--color-text-muted);border-radius:var(--border-radius-sm);cursor:pointer;width:100%;transition:var(--transition-smooth);background:0 0;border:1px solid #ffffff14;padding:8px 12px;font-size:.8rem;font-weight:500}.reset-btn:hover{color:var(--color-error);background-color:#f43f5e0d;border-color:#f43f5e33}.main-content{flex-direction:column;flex-grow:1;height:100vh;padding:2rem 2.5rem;display:flex;overflow-y:auto}.module-viewport{flex-direction:column;gap:1.5rem;animation:.4s ease-out fadeIn;display:flex}.lesson-header{border-bottom:1px solid #ffffff0d;flex-direction:column;gap:6px;padding-bottom:1rem;display:flex}.lesson-meta{align-items:center;gap:12px;display:flex}.difficulty-tag{color:var(--color-primary-light);border:1px solid var(--border-color);text-transform:uppercase;background-color:#8b5cf626;border-radius:4px;padding:2px 8px;font-size:.72rem;font-weight:700}.lesson-indicator{color:var(--color-text-muted);font-size:.82rem;font-weight:500}.lesson-header h2{background:linear-gradient(90deg,#fff,#e9d5ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.85rem}.lesson-layout{grid-template-columns:1.1fr .9fr;align-items:start;gap:2rem;display:grid}.card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-main);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);overflow:hidden}.card-header{background-color:#ffffff05;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.card-header h3{color:#fff;align-items:center;gap:10px;font-size:1.05rem;display:flex}.badge{border-radius:20px;padding:4px 10px;font-size:.72rem;font-weight:700}.badge.primary{color:var(--color-accent);background-color:#8b5cf626}.badge.secondary{color:var(--color-text-main);background-color:#ffffff0d}.lesson-body{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.visual-viewport{border-radius:var(--border-radius-md);background-color:#08070d;border:1px solid #ffffff0d;flex-direction:column;align-items:center;padding:1rem;display:flex;overflow:hidden}.visual-container{width:100%;position:relative}.visual-graphics-box{justify-content:center;align-items:center;width:100%;height:200px;display:flex}.interaction-canvas{width:100%;height:100%;max-height:200px}.visual-overlay-labels{justify-content:center;gap:10px;width:100%;margin-top:10px;display:flex}.overlay-tag{border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:.72rem;font-weight:600;display:flex}.overlay-tag.correct{color:var(--color-success-light);background-color:#10b9811f;border:1px solid #10b98133}.overlay-tag.incorrect{color:var(--color-error-light);background-color:#f43f5e1f;border:1px solid #f43f5e33}.explanation-box{color:var(--color-text-main);font-size:.95rem;line-height:1.6}.explanation-box p{margin-bottom:12px}.explanation-box strong{color:#fff}.explanation-box ul{flex-direction:column;gap:6px;margin-bottom:15px;margin-left:20px;display:flex}.explanation-box li{color:var(--color-text-main);font-size:.9rem}.explanation-box code{color:var(--color-accent);background-color:#ffffff0d;border-radius:4px;padding:2px 6px;font-family:Fira Code,monospace;font-size:.82rem}.rule-table{border-collapse:collapse;width:100%;margin-top:10px;margin-bottom:15px;font-size:.85rem}.rule-table th,.rule-table td{text-align:left;border-bottom:1px solid #ffffff0d;padding:8px 12px}.rule-table th{color:var(--color-text-muted);font-family:Outfit,sans-serif;font-weight:600}.rule-table td strong{font-family:Fira Code,monospace;font-size:.78rem}.action-body{flex-direction:column;justify-content:space-between;gap:1.5rem;min-height:380px;padding:1.5rem;display:flex}.quiz-container{flex-direction:column;gap:15px;display:flex}.quiz-question{color:#fff;font-size:1.05rem;font-weight:600;line-height:1.4}.quiz-options{flex-direction:column;gap:10px;display:flex}.quiz-option-card{border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-smooth);background-color:#ffffff05;border:1px solid #ffffff0d;align-items:center;gap:12px;padding:12px 16px;font-size:.9rem;display:flex}.quiz-option-card:hover{background-color:#ffffff0a;border-color:#8b5cf633}.quiz-option-card.selected{border-color:var(--color-primary);color:#fff;background-color:#8b5cf614}.quiz-option-card.correct{border-color:var(--color-success);color:var(--color-success-light);background-color:#10b9811a}.quiz-option-card.incorrect{border-color:var(--color-error);color:var(--color-error-light);background-color:#f43f5e1a}.option-radio{width:18px;height:18px;transition:var(--transition-smooth);border:2px solid #fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.quiz-option-card.selected .option-radio{border-color:var(--color-primary-light);background-color:var(--color-primary)}.quiz-option-card.correct .option-radio{border-color:var(--color-success-light);background-color:var(--color-success)}.quiz-option-card.incorrect .option-radio{border-color:var(--color-error-light);background-color:var(--color-error)}.quiz-feedback-box{border-radius:var(--border-radius-md);padding:12px 16px;font-size:.88rem;line-height:1.45;animation:.3s ease-out slideIn}.quiz-feedback-box.correct{color:var(--color-success-light);background-color:#10b9811a;border:1px solid #10b98133}.quiz-feedback-box.incorrect{color:var(--color-error-light);background-color:#f43f5e1a;border:1px solid #f43f5e33}.sandbox-container{flex-direction:column;gap:15px;display:flex}.sandbox-prompt{color:var(--color-text-main);font-size:.92rem;line-height:1.4}.sandbox-desc{border-radius:var(--border-radius-sm);border-left:3px solid var(--color-primary);background-color:#0003;margin-top:5px;padding:8px 12px;font-style:italic}#sandbox-editor{border-radius:var(--border-radius-md);color:#fff;resize:none;height:90px;transition:var(--transition-smooth);background-color:#05050ad9;border:1px solid #ffffff0f;outline:none;padding:12px;font-family:Fira Code,monospace;font-size:1rem}#sandbox-editor:focus{border-color:var(--color-primary);box-shadow:0 0 10px #8b5cf626}.word-counter-container{justify-content:space-between;align-items:center;gap:15px;display:flex}.word-count{color:var(--color-text-muted);font-size:.78rem}.sandbox-feedback-panel{border-radius:var(--border-radius-md);padding:12px 16px;font-size:.85rem;line-height:1.4}.sandbox-feedback-panel.success{color:var(--color-success-light);background-color:#10b9811a;border:1px solid #10b98133}.sandbox-feedback-panel.error{color:var(--color-error-light);background-color:#f43f5e1a;border:1px solid #f43f5e33}.sandbox-feedback-panel ul{margin-top:4px;margin-left:15px}.action-footer{border-top:1px solid #ffffff0d;justify-content:flex-end;gap:10px;padding-top:1.25rem;display:flex}.btn{border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;align-items:center;gap:8px;padding:10px 18px;font-family:Inter,sans-serif;font-size:.88rem;font-weight:600;display:flex}.btn.accent{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff}.btn.accent:hover{filter:brightness(1.1);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn.secondary{color:var(--color-text-main);background-color:#ffffff0a;border-color:#ffffff14}.btn.secondary:hover{background-color:#ffffff14}.btn.success{background-color:var(--color-success);color:#fff}.btn.success:hover{background-color:var(--color-success-light);transform:translateY(-2px)}.btn.hidden,.hidden{display:none!important}@keyframes slideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.api-config-panel{border-radius:var(--border-radius-md);background:#ffffff05;border:1px solid #ffffff0d;margin-top:auto;margin-bottom:1rem;padding:1rem}.api-config-panel h4{color:#fff;align-items:center;gap:8px;margin-bottom:6px;font-size:.85rem;display:flex}.api-config-panel p{color:var(--color-text-muted);margin-bottom:10px;font-size:.72rem;line-height:1.4}.api-config-panel input{border-radius:var(--border-radius-sm);color:#fff;width:100%;transition:var(--transition-smooth);background-color:#0a0a10cc;border:1px solid #ffffff14;outline:none;padding:8px 12px;font-size:.78rem}.api-config-panel input:focus{border-color:var(--color-accent)}.api-status{margin-top:8px;font-size:.72rem;font-weight:600;display:block}.api-status i{margin-right:4px}.toggle-switch{cursor:pointer;align-items:center;gap:10px;display:inline-flex}.toggle-switch input{display:none}.slider{width:40px;height:20px;transition:var(--transition-smooth);background-color:#ffffff14;border:1px solid #ffffff0d;border-radius:20px;position:relative}.slider:before{content:"";width:14px;height:14px;transition:var(--transition-smooth);background-color:#fff;border-radius:50%;position:absolute;top:2px;left:2px}.toggle-switch input:checked+.slider{background-color:var(--color-primary)}.toggle-switch input:checked+.slider:before{transform:translate(20px)}.toggle-label{color:var(--color-text-main);font-size:.85rem;font-weight:500}.bulk-auditor-container{flex-direction:column;gap:2rem;display:flex}.input-card textarea{height:150px}.input-desc{color:var(--color-text-muted);margin-bottom:12px;font-size:.88rem}.audit-control-bar{border-top:1px solid #ffffff0d;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;margin-top:15px;padding-top:1.25rem;display:flex}.options-group{align-items:center;display:flex}.button-group{gap:10px;display:flex}.btn.small{padding:6px 12px;font-size:.8rem}.results-summary-bar{border-radius:var(--border-radius-md);background-color:#ffffff05;border:1px solid #ffffff0a;gap:2rem;margin-bottom:1.5rem;padding:1rem 1.5rem;display:flex}.summary-metric{flex-direction:column;gap:4px;display:flex}.metric-label{text-transform:uppercase;color:var(--color-text-muted);letter-spacing:.5px;font-size:.72rem;font-weight:600}.summary-metric strong{font-family:Outfit,sans-serif;font-size:1.45rem;font-weight:700}.text-error{color:var(--color-error-light)}.text-success{color:var(--color-success-light)}.segment-report-list{flex-direction:column;gap:15px;display:flex}.segment-report-card{border-radius:var(--border-radius-md);transition:var(--transition-smooth);background-color:#ffffff04;border:1px solid #ffffff08;flex-direction:column;gap:10px;padding:1.25rem;display:flex}.segment-report-card.pass{border-left:4px solid var(--color-success)}.segment-report-card.fail{border-left:4px solid var(--color-error)}.segment-report-card.warn{border-left:4px solid var(--color-warning)}.segment-report-card:hover{background-color:#ffffff06}.segment-report-header{justify-content:space-between;align-items:center;display:flex}.segment-meta{align-items:center;gap:10px;display:flex}.segment-num{color:var(--color-accent);font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700}.segment-time{color:var(--color-text-muted);background-color:#ffffff08;border-radius:4px;padding:2px 6px;font-size:.8rem}.segment-len{color:var(--color-text-muted);font-size:.8rem}.segment-status-badge{border-radius:12px;padding:3px 8px;font-size:.72rem;font-weight:700}.segment-status-badge.passed{color:var(--color-success-light);background-color:#10b9811f}.segment-status-badge.failed{color:var(--color-error-light);background-color:#f43f5e1f}.segment-texts{border-radius:var(--border-radius-sm);background-color:#00000026;flex-direction:column;gap:8px;padding:10px 14px;display:flex}.text-line{align-items:flex-start;gap:10px;font-family:Fira Code,monospace;font-size:.9rem;display:flex}.text-line .label-type{text-transform:uppercase;width:60px;color:var(--color-text-muted);padding-top:3px;font-size:.7rem;font-weight:700}.text-line.original{color:var(--color-text-muted);text-decoration:line-through}.text-line.fixed{color:#fff}.text-line.fixed .label-type{color:var(--color-success-light)}.segment-errors{margin-top:5px}.segment-errors ul{flex-direction:column;gap:6px;list-style:none;display:flex}.segment-errors li{color:var(--color-error-light);align-items:flex-start;gap:8px;font-size:.82rem;line-height:1.4;display:flex}.segment-errors li i{margin-top:3px;font-size:.8rem}.tab-content{display:none!important}.tab-content.active{display:block!important}.tab-content#tab-dictionary.active{flex-direction:column;gap:1.5rem;display:flex!important}.reference-container{flex-direction:column;height:100%;display:flex}.search-header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;padding:1.25rem 1.5rem;display:flex}.search-box{width:300px;position:relative}.search-box input{border-radius:var(--border-radius-sm);color:#fff;width:100%;transition:var(--transition-smooth);background-color:#0a0a10cc;border:1px solid #ffffff14;outline:none;padding:8px 12px 8px 36px;font-size:.88rem}.search-box input:focus{border-color:var(--color-primary);box-shadow:0 0 10px #8b5cf626}.search-box .search-icon{color:var(--color-text-muted);pointer-events:none;font-size:.88rem;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.dictionary-body{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.dictionary-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;display:grid}.dict-card{border-radius:var(--border-radius-md);transition:var(--transition-smooth);background-color:#ffffff04;border:1px solid #ffffff08;flex-direction:column;gap:10px;padding:1.25rem;display:flex}.dict-card:hover{border-color:var(--border-hover);background-color:#ffffff08;transform:translateY(-2px);box-shadow:0 4px 15px #0003}.dict-banned-word{color:var(--color-error-light);border-bottom:1px solid #ffffff0d;align-items:center;gap:8px;padding-bottom:6px;font-family:Outfit,sans-serif;font-size:1.15rem;font-weight:700;display:flex}.dict-replacements{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.replacement-tag{color:var(--color-success-light);background-color:#10b9811f;border:1px solid #10b98133;border-radius:4px;padding:2px 6px;font-family:Fira Code,monospace;font-size:.78rem}.dict-direction{color:var(--color-text-muted);margin-top:4px;font-size:.8rem;line-height:1.4}.dict-example{border-radius:var(--border-radius-sm);color:var(--color-text-main);border-left:2px solid var(--color-primary);word-break:break-all;background-color:#0003;padding:8px;font-family:Fira Code,monospace;font-size:.78rem}.dict-example-label{color:var(--color-text-muted);text-transform:uppercase;margin-bottom:2px;font-size:.65rem;font-weight:600}.no-results{text-align:center;color:var(--color-text-muted);grid-column:1/-1;padding:2rem;font-style:italic}