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#0006}.driver-popover-title{zoom:1;margin:0;font-size:19px;font-weight:700;line-height:1.5;display:block;position:relative}.driver-popover-close-btn{all:unset;cursor:pointer;color:#d2d2d2;z-index:1;text-align:center;width:32px;height:28px;font-size:18px;font-weight:500;transition:color .2s;position:absolute;top:0;right:0}.driver-popover-close-btn:hover,.driver-popover-close-btn:focus{color:#2d2d2d}.driver-popover-title[style*=block]+.driver-popover-description{margin-top:5px}.driver-popover-description{zoom:1;margin-bottom:0;font-size:14px;font-weight:400;line-height:1.5}.driver-popover-footer{text-align:right;zoom:1;justify-content:space-between;align-items:center;margin-top:15px;display:flex}.driver-popover-progress-text{color:#727272;zoom:1;font-size:13px;font-weight:400}.driver-popover-footer-btn{all:unset;box-sizing:border-box;color:#2d2d2d;cursor:pointer;zoom:1;background-color:#fff;border:1px solid #ccc;border-radius:3px;outline:0;padding:3px 7px;font-size:12px;line-height:1.3;text-decoration:none;display:inline-block}.driver-popover-footer .driver-popover-btn-disabled{opacity:.5;pointer-events:none}.driver-popover-footer-btn:hover,.driver-popover-footer-btn:focus{background-color:#f7f7f7}.driver-popover-navigation-btns{flex-grow:1;justify-content:flex-end;display:flex}.driver-popover-navigation-btns button+button{margin-left:4px}.driver-popover-arrow{content:"";border:5px solid #fff;position:absolute}.driver-popover-arrow-side-over{display:none}.driver-popover-arrow-side-left{border-top-color:#0000;border-bottom-color:#0000;border-right-color:#0000;left:100%}.driver-popover-arrow-side-right{border-top-color:#0000;border-bottom-color:#0000;border-left-color:#0000;right:100%}.driver-popover-arrow-side-top{border-bottom-color:#0000;border-left-color:#0000;border-right-color:#0000;top:100%}.driver-popover-arrow-side-bottom{border-top-color:#0000;border-left-color:#0000;border-right-color:#0000;bottom:100%}.driver-popover-arrow-side-center,.driver-popover-arrow-none{display:none}.driver-active .driver-overlay{pointer-events:none}.driver-active.driver-no-scroll{overflow:hidden}.driver-active *{pointer-events:none}.driver-active .driver-active-element,.driver-active .driver-active-element *,.driver-popover,.driver-popover *{pointer-events:auto}@keyframes animate-fade-in{0%{opacity:0}to{opacity:1}}.driver-fade .driver-overlay{animation:animate-fade-in 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12px;gap:10px}.launch-item-icon{font-size:18px}.launch-item-text strong{font-size:13px}.launch-item-text p{font-size:11.5px}.launch-modal-actions{flex-direction:column-reverse;gap:8px}.launch-btn-primary,.launch-btn-secondary{width:100%;justify-content:center;min-height:44px}.launch-floating-trigger{bottom:12px;right:12px;padding:6px 12px;font-size:11px}}.exercise-browser-backdrop{position:fixed;z-index:20000;inset:0;display:grid;place-items:center;padding:20px;background:#081321d1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.exercise-browser{display:grid;grid-template-rows:auto auto auto minmax(220px,1fr) auto;width:min(1200px,97vw);height:min(900px,95vh);overflow:hidden;border-radius:16px;background:#fff;box-shadow:0 35px 95px #0000008c;color:#172033;position:relative}.exercise-browser>header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid #dbe3ec;background:#fff}.exercise-browser-header-left{display:flex;flex-direction:column;gap:2px}.exercise-browser h2{margin:0;font-size:22px;font-weight:800;color:#0f172a}.exercise-browser header p{margin:0;color:#64748b;font-size:12px}.exercise-browser header small{color:var(--subject-accent, var(--accent, #0d9488));font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.exercise-browser-header-actions{display:flex;align-items:center;gap:10px}.exercise-browser-add-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:none;border-radius:8px;background:#0d9488;color:#fff;font-size:12px;font-weight:700;cursor:pointer;box-shadow:0 2px 6px #0d948859;transition:all .15s ease}.exercise-browser-add-btn:hover{background:#0f766e;transform:translateY(-1px)}.exercise-browser-backup-btn{display:inline-flex;align-items:center;gap:4px;padding:8px 12px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;color:#475569;font-size:11px;font-weight:600;cursor:pointer;transition:background .15s ease}.exercise-browser-backup-btn:hover{background:#e2e8f0;color:#1e293b}.exercise-browser-close{border:0;background:none;color:#64748b;font-size:28px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .15s}.exercise-browser-close:hover{background:#f1f5f9;color:#0f172a}.exercise-browser-filters{display:grid;grid-template-columns:2fr .8fr 1.6fr .9fr 1.1fr .9fr;gap:8px;padding:12px 24px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.exercise-browser-filters input,.exercise-browser-filters select{width:100%;min-width:0;padding:9px 11px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;font:inherit;font-size:11.5px;color:#1e293b;outline:none}.exercise-browser-filters input:focus,.exercise-browser-filters select:focus{border-color:#0d9488;box-shadow:0 0 0 2px #0d948826}.exercise-browser-summary{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:9px 24px;border-bottom:1px solid #e2e8f0;font-size:11.5px;background:#fff}.exercise-browser-summary b{color:#1e293b}.exercise-browser-count-pill{padding:4px 10px;border-radius:999px;color:#fff;background:#0d9488;font-weight:700;font-size:11px}.exercise-browser-custom-counter{display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:999px;background:#fef3c7;color:#92400e;font-weight:700;font-size:11px}.exercise-browser-summary button.reset-btn{margin-left:auto;border:0;background:none;color:#b91c1c;font-size:11px;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:4px}.exercise-browser-summary button.reset-btn:hover{background:#fee2e2}.exercise-browser-list{overflow-y:auto;padding:14px 24px;display:grid;align-content:start;gap:10px;background:#f8fafc}.exercise-browser-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:14px 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8px;border-radius:999px;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.exercise-browser-level-badge.facile{color:#166534;background:#dcfce7}.exercise-browser-level-badge.media{color:#854d0e;background:#fef9c3}.exercise-browser-level-badge.difficile{color:#991b1b;background:#fee2e2}.exercise-browser-track-badge{padding:3px 8px;border-radius:999px;font-size:9px;font-weight:700;color:#1e40af;background:#dbeafe}.exercise-browser-track-badge.tecnico{color:#9a3412;background:#ffedd5}.exercise-browser-track-badge.professionale{color:#831843;background:#fce7f3}.exercise-browser-custom-badge{padding:3px 8px;border-radius:999px;font-size:9px;font-weight:800;color:#92400e;background:#fef3c7;border:1px solid #fde68a}.exercise-browser-points-badge{margin-left:auto;font-size:10px;font-weight:700;color:#64748b;background:#f1f5f9;padding:2px 6px;border-radius:4px}.exercise-browser-text{font-size:12px;line-height:1.55;color:#0f172a;overflow-wrap:anywhere;white-space:pre-line}.exercise-browser-text .katex{font-size:1.15em;line-height:1.25}.exercise-browser-text .katex-display{margin:8px 0;padding:6px 10px;background:#f8fafc;border-radius:6px;overflow-x:auto;overflow-y:hidden;border:1px solid #e2e8f0}.exercise-browser-solution-box{display:block;margin-top:4px;padding:8px 10px;border-radius:6px;background:#f8fafc;border-left:3px solid #0d9488;color:#334155;font-size:11px;line-height:1.5;overflow-wrap:anywhere;white-space:pre-line}.exercise-browser-solution-box strong{color:#0f766e}.exercise-browser-solution-box .katex{font-size:1.1em}.exercise-browser-help-box{display:block;margin-top:4px;padding:6px 10px;border-radius:6px;background:#fefce8;border-left:3px solid #eab308;color:#713f12;font-size:10.5px;line-height:1.45}.exercise-browser-item-actions{display:flex;flex-direction:column;gap:6px}.exercise-item-action-btn{padding:5px 8px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#475569;font-size:11px;font-weight:600;cursor:pointer;transition:all .15s ease}.exercise-item-action-btn:hover{background:#f1f5f9;color:#0f172a}.exercise-item-action-btn.delete:hover{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.exercise-browser-empty{padding:60px 20px;text-align:center;color:#64748b;font-size:13px}.exercise-browser>footer{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-top:1px solid #dbe3ec;background:#fff}.exercise-browser-pages{display:flex;align-items:center;gap:10px;font-size:11px;color:#334155;font-weight:600}.exercise-browser-pages button{padding:8px 14px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;font-weight:700;cursor:pointer}.exercise-browser-pages button:hover:not(:disabled){background:#f1f5f9}.exercise-browser-apply{padding:10px 18px;border:none;border-radius:8px;background:#0d9488;color:#fff;font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 2px 6px #0d948859;transition:all .15s ease}.exercise-browser-apply:hover:not(:disabled){background:#0f766e}.exercise-browser button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.exercise-form-overlay{position:absolute;inset:0;z-index:50;background:#0f172ab3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px;overflow-y:auto}.exercise-form-card{width:min(840px,94%);max-height:90vh;display:grid;grid-template-rows:auto 1fr auto;background:#fff;border-radius:14px;box-shadow:0 25px 60px #0006;overflow:hidden;animation:fadeInForm .18s ease-out}@keyframes 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