:root{--bg:#1c2331;--surface:#243044;--surface-2:#2e3d56;--fg:#e8ecef;--muted:#8a9bb5;--accent:#c41e3a;--accent-hover:#a01830;--border:#344155;--success:#2ecc71;--warning:#f39c12;--font-display:"Space Grotesk", system-ui, sans-serif;--font-body:"DM Sans", system-ui, sans-serif;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--radius-sm:6px;--radius:14px;--radius-lg:20px;--radius-card:18px;--shadow-card:0 8px 40px #00000073;--shadow-btn:0 2px 10px #c41e3a4d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%}body{background:var(--bg);color:var(--fg);font-family:var(--font-body);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.55}button{cursor:pointer;font-family:var(--font-body);border:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.screen{background:var(--bg);width:100%;min-height:100vh;color:var(--fg);flex-direction:column;display:flex}.intro-screen{padding:var(--space-8) var(--space-6);justify-content:center;align-items:center}.intro-inner{align-items:center;gap:var(--space-6);text-align:center;flex-direction:column;width:100%;max-width:480px;display:flex}.intro-logo{object-fit:contain;border-radius:var(--radius);width:80px;height:80px}.intro-title{font-family:var(--font-display);letter-spacing:-.03em;font-size:2.5rem;font-weight:700;line-height:1.1}.intro-tagline{font-family:var(--font-display);color:var(--muted);font-size:1.15rem;font-weight:300;line-height:1.6}.dimensions-legend{gap:var(--space-3);margin:var(--space-2) 0;flex-wrap:wrap;justify-content:center;display:flex}.dim-badge{align-items:center;gap:var(--space-2);font-family:var(--font-display);background:#ffffff08;border:1.5px solid;border-radius:100px;padding:6px 14px;font-size:.85rem;font-weight:500;display:flex}.dim-icon{font-size:.9rem}.intro-instructions{color:var(--muted);font-size:.9rem;line-height:1.7}.btn-primary{background:var(--accent);color:#fff;font-family:var(--font-display);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow-btn);letter-spacing:.01em;border:none;padding:14px 32px;font-size:1rem;font-weight:600;transition:background .18s,transform .12s,box-shadow .18s}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 18px #c41e3a66}.btn-primary:active{transform:translateY(0)}.btn-primary.btn-disabled,.btn-primary:disabled{background:var(--surface-2);color:var(--muted);box-shadow:none;cursor:not-allowed;transform:none}.btn-large{width:100%;max-width:320px;padding:16px 48px;font-size:1.05rem}.game-header{padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;display:flex}.game-brand{font-family:var(--font-display);letter-spacing:.02em;color:var(--fg);font-size:1rem;font-weight:600}.game-score-live{font-family:var(--font-display);align-items:baseline;gap:4px;display:flex}.score-live-num{color:var(--success);font-size:1.5rem;font-weight:700}.score-live-sep{color:var(--muted);font-size:1rem}.score-live-total{color:var(--fg);font-size:1rem;font-weight:600}.score-live-label{color:var(--muted);margin-left:4px;font-size:.8rem}.progress-bar{background:var(--border);width:100%;height:3px}.progress-fill{background:var(--accent);height:100%;transition:width .4s}.game-screen{min-height:100vh}.game-main{padding:var(--space-8) var(--space-6);align-items:center;gap:var(--space-6);flex-direction:column;flex:1;width:100%;max-width:600px;margin:0 auto;display:flex}.card-counter{font-family:var(--font-display);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;font-weight:500}.card-wrap{width:100%;max-width:520px}.card{border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .2s;position:relative;overflow:hidden}.card-back{background:var(--surface);border:1.5px solid var(--border);cursor:pointer;justify-content:center;align-items:center;height:240px;display:flex}.card-back:hover{transform:translateY(-3px);box-shadow:0 16px 50px #0000008c}.card-back-pattern{justify-content:center;align-items:center;gap:var(--space-2);flex-direction:column;width:100%;height:100%;display:flex;position:relative}.card-back-grid{background-image:linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);opacity:.4;background-size:24px 24px;position:absolute;inset:0}.card-back-label{z-index:1;align-items:baseline;gap:4px;display:flex}.card-back-num{font-family:var(--font-display);color:var(--fg);opacity:.9;font-size:3rem;font-weight:700}.card-back-of{font-family:var(--font-display);color:var(--muted);font-size:1.2rem}.card-back-hint{color:var(--muted);z-index:1;letter-spacing:.05em;font-size:.8rem}.card-front{background:var(--surface);border:1.5px solid var(--border);padding:var(--space-8) var(--space-6) var(--space-6);gap:var(--space-6);flex-direction:column;display:flex}.card-reveal-line{border-radius:2px 2px 0 0;height:4px;animation:.5s slideIn;position:absolute;top:0;left:0;right:0}@keyframes slideIn{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.card-text{color:var(--fg);font-size:1.05rem;line-height:1.7;font-family:var(--font-body)}.answer-buttons{gap:var(--space-3);grid-template-columns:1fr 1fr;display:grid}.answer-btn{align-items:center;gap:var(--space-2);border-radius:var(--radius);border:1.5px solid var(--border);background:var(--surface-2);color:var(--fg);font-family:var(--font-display);cursor:pointer;padding:12px 16px;font-size:.9rem;font-weight:500;transition:all .16s;display:flex}.answer-btn:hover{background:var(--surface);border-color:var(--muted);transform:translateY(-1px)}.answer-btn.selected{background:#ffffff0d;font-weight:600}.answer-icon{font-size:1rem}.card-answer-reveal{gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius);border:1px solid var(--border);background:#ffffff0a;flex-direction:column;display:flex}.reveal-label{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-family:var(--font-display)}.reveal-dim{font-family:var(--font-display);font-size:1.3rem;font-weight:700}.reveal-desc{color:var(--muted);font-size:.85rem;line-height:1.5}.game-actions{align-items:center;gap:var(--space-4);flex-direction:column;width:100%;max-width:520px;display:flex}.result-row{align-items:center;gap:var(--space-4);flex-direction:column;width:100%;display:flex}.result-badge{font-family:var(--font-display);border-radius:100px;padding:10px 24px;font-size:.95rem;font-weight:600}.result-badge.correct{color:var(--success);background:#2ecc7126;border:1px solid #2ecc714d}.result-badge.wrong{color:var(--accent);background:#c41e3a26;border:1px solid #c41e3a4d}.score-screen{padding:var(--space-8) var(--space-6);align-items:center;overflow-y:auto}.score-inner{align-items:center;gap:var(--space-6);text-align:center;width:100%;max-width:520px;padding-bottom:var(--space-12);flex-direction:column;display:flex}.score-title{font-family:var(--font-display);letter-spacing:-.02em;font-size:2rem;font-weight:700}.score-circle{background:var(--surface);border:2px solid var(--border);width:160px;height:160px;box-shadow:var(--shadow-card);border-radius:50%;justify-content:center;align-items:center;gap:8px;display:flex}.score-big{font-family:var(--font-display);color:var(--success);font-size:3.5rem;font-weight:700}.score-divider{font-family:var(--font-display);color:var(--muted);font-size:1.5rem}.score-total{font-family:var(--font-display);color:var(--fg);font-size:1.8rem;font-weight:600}.score-pct{font-family:var(--font-display);color:var(--accent);font-size:1.5rem;font-weight:700}.score-message{color:var(--muted);max-width:360px;font-size:1rem;line-height:1.6}.dim-breakdown{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;padding:var(--space-6);gap:var(--space-4);flex-direction:column;display:flex}.breakdown-title{font-family:var(--font-display);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;text-align:left;margin-bottom:var(--space-2);font-size:.85rem;font-weight:600}.breakdown-row{align-items:center;gap:var(--space-4);display:flex}.breakdown-label{align-items:center;gap:var(--space-2);width:110px;font-family:var(--font-display);text-align:left;flex-shrink:0;font-size:.9rem;font-weight:500;display:flex}.breakdown-icon{font-size:1rem}.breakdown-bar-wrap{background:var(--surface-2);border-radius:4px;flex:1;height:8px;overflow:hidden}.breakdown-bar-fill{border-radius:4px;height:100%;transition:width .8s}.breakdown-score{font-family:var(--font-display);color:var(--muted);text-align:right;width:32px;font-size:.85rem;font-weight:600}.score-detail{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;padding:var(--space-6);gap:var(--space-3);text-align:left;flex-direction:column;display:flex}.detail-row{align-items:center;gap:var(--space-3);border-radius:var(--radius-sm);padding:8px 10px;font-size:.88rem;display:flex}.detail-correct{background:#2ecc710f}.detail-wrong{background:#c41e3a0f}.detail-num{font-family:var(--font-display);color:var(--muted);flex-shrink:0;width:28px;font-size:.75rem}.detail-status{flex-shrink:0;width:16px;font-weight:700}.detail-correct .detail-status{color:var(--success)}.detail-wrong .detail-status{color:var(--accent)}.detail-dim{font-family:var(--font-display);flex:1;font-size:.88rem;font-weight:500}.detail-selected{color:var(--muted);font-size:.8rem;font-style:italic}@media (width<=480px){.intro-title{font-size:2rem}.answer-buttons{grid-template-columns:1fr}.game-main,.card-front{padding:var(--space-6) var(--space-4)}.score-circle{width:130px;height:130px}.score-big{font-size:2.8rem}.breakdown-label{width:90px;font-size:.82rem}}