@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap";:root{--primary:#8b5cf6;--primary-hover:#7c3aed;--secondary:#ec4899;--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--border-glass:#ffffff1a;--glass-bg:#ffffff08;--success:#10b981;--error:#ef4444;--font-main:"Inter", system-ui, sans-serif;--font-heading:"Outfit", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(at 0 0,#100f15 0,#0000 50%),radial-gradient(at 50% 0,#2f3e6a33 0,#0000 50%),radial-gradient(at 100% 0,#72274126 0,#0000 50%);min-height:100vh;overflow-x:hidden}#root{width:100%}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:16px;box-shadow:0 8px 32px #0000005e}.title-gradient{background:linear-gradient(to right, #fff, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;font-family:var(--font-heading);-webkit-background-clip:text}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--border-glass);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.app-container{flex-direction:column;gap:2rem;max-width:1200px;min-height:100vh;margin:0 auto;padding:2rem;display:flex}header{border-bottom:1px solid var(--border-glass);justify-content:space-between;align-items:center;padding-bottom:1rem;display:flex}.header-info{justify-content:space-between;align-items:center;width:100%;display:flex}.nav-controls{align-items:center;gap:1rem;display:flex}.nav-btn{border:1px solid var(--border-glass);color:var(--text-main);cursor:pointer;background:#ffffff0d;border-radius:8px;align-items:center;padding:.5rem;transition:all .2s;display:flex}.nav-btn:hover:not(:disabled){border-color:var(--primary);background:#ffffff1a}.nav-btn:disabled{opacity:.3;cursor:not-allowed}.menu-toggle{border:1px solid var(--border-glass);color:var(--text-main);cursor:pointer;background:#ffffff0d;border-radius:8px;align-items:center;gap:.75rem;padding:.5rem 1rem;font-weight:600;transition:all .2s;display:flex}.menu-toggle:hover{border-color:var(--primary);background:#ffffff1a}.menu-overlay{z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;justify-content:flex-end;display:flex;position:fixed;inset:0}.menu-sidebar{border-left:1px solid var(--border-glass);border-radius:0;flex-direction:column;gap:2rem;width:350px;height:100%;padding:2rem;display:flex}.menu-header{border-bottom:1px solid var(--border-glass);align-items:center;gap:1rem;padding-bottom:1rem;display:flex}.menu-header h3{flex:1;font-size:1.25rem}.close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.5rem;display:flex}.close-btn:hover{color:var(--text-main);background:#ffffff1a}.question-grid{grid-template-columns:repeat(5,1fr);gap:.75rem;display:grid;overflow-y:auto}.question-nav-item{aspect-ratio:1;border:1px solid var(--border-glass);color:var(--text-muted);cursor:pointer;background:#ffffff0d;border-radius:8px;justify-content:center;align-items:center;font-weight:600;transition:all .2s;display:flex}.question-nav-item:hover{border-color:var(--primary);color:var(--text-main);background:#8b5cf61a}.question-nav-item.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 15px #8b5cf666}.game-area{flex:1;grid-template-columns:1fr 1fr;gap:2rem;display:grid}@media (width<=768px){.game-area{grid-template-columns:1fr}}.column{flex-direction:column;gap:1rem;display:flex}.column-header{font-family:var(--font-heading);color:var(--text-muted);align-items:center;gap:.75rem;padding:0 .5rem;font-size:1.1rem;font-weight:600;display:flex}.box{flex-direction:column;flex:1;gap:.75rem;min-height:400px;padding:1rem;display:flex}.paragraph-item{border:1px solid var(--border-glass);cursor:grab;-webkit-user-select:text;user-select:text;background:#ffffff0d;border-radius:12px;padding:1rem;font-size:.95rem;line-height:1.6;transition:transform .2s,background .2s,border-color .2s;position:relative}.paragraph-item.checked{cursor:text}.paragraph-item:hover{border-color:var(--primary);background:#ffffff14}.paragraph-item.dragging{cursor:grabbing;z-index:1000;border-color:var(--primary);background:#8b5cf633;box-shadow:0 20px 25px -5px #00000080}.drag-handle{cursor:grab;color:var(--text-muted);border-radius:4px;align-items:center;padding:2px;transition:background .2s;display:flex}.drag-handle:hover{background:#ffffff1a}.index-label{color:var(--text-muted);min-width:1.5rem;font-weight:600}.remove-btn{color:var(--text-muted);cursor:pointer;opacity:.5;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;transition:all .2s;display:flex}.remove-btn:hover{color:#f87171;opacity:1;background:#ef44441a}.controls{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172acc;justify-content:center;gap:1rem;margin-top:2rem;padding:1rem;display:flex;position:sticky;bottom:0}.btn{border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;display:flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;box-shadow:0 4px 15px #8b5cf666}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf699}.btn-secondary{color:var(--text-main);border:1px solid var(--border-glass);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a}.btn-retry{color:#fff;background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 4px 15px #f59e0b66}.btn-retry:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b99}.footer-actions{justify-content:center;gap:1rem;width:100%;display:flex}.retry-hint{color:#fbbf24;text-align:center;margin-bottom:1rem;font-weight:600}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.score-display{text-align:center;flex-direction:column;align-items:center;gap:1rem;padding:2rem;display:flex}.score-title{font-family:var(--font-heading);font-size:2rem;font-weight:700}.score-number{color:var(--primary);font-size:4rem;font-weight:800}.result-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.result-card{flex-direction:column;align-items:center;gap:1.5rem;width:90%;max-width:500px;padding:3rem;display:flex}.pair-feedback{flex-direction:column;gap:.5rem;margin-top:.5rem;display:flex}.pair-status{border-radius:4px;padding:.25rem .5rem;font-size:.8rem;font-weight:600}.pair-status.correct{color:#34d399;background:#10b98133}.pair-status.wrong{color:#f87171;background:#ef444433}.empty-state{height:100%;color:var(--text-muted);border:2px dashed var(--border-glass);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;display:flex}