@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap";:root{--bg-deep:oklch(15.5% .024 264.36);--bg-inset:oklch(20.4% .034 264.36);--bg-card:oklch(27.8% .033 256.85);--bg-elevated:oklch(32.9% .034 257.4);--accent-cyan:oklch(78.9% .154 211.53);--accent-cyan-dim:oklch(52.2% .105 223.13);--accent-cyan-glow:oklch(78.9% .154 211.53/.2);--accent-cyan-soft:oklch(78.9% .154 211.53/.08);--accent-cyan-fade:oklch(78.9% .154 211.53/.04);--border-subtle:oklch(27.8% .033 256.85);--border-accent:oklch(78.9% .154 211.53/.27);--text-primary:oklch(100% 0 0);--text-secondary:oklch(70.4% .04 256.79);--text-tertiary:oklch(55.4% .046 257.42);--text-muted:oklch(44.6% .043 257.28);--text-inverted:oklch(15.5% .024 264.36);--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-pill:62.4375rem;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--font-display:"Outfit", system-ui, sans-serif;--font-body:"Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace}*{box-sizing:border-box}html,body,#app{background-color:var(--bg-deep);min-height:100vh;color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;padding:0}.ccf-app{background-color:var(--bg-deep);min-height:100vh;color:var(--text-primary);flex-direction:column;display:flex}.ccf-topbar{justify-content:space-between;align-items:center;gap:var(--space-lg);background-color:var(--bg-inset);border-bottom:.0625rem solid var(--border-subtle);padding:.75rem 2rem;display:flex}.ccf-logo{color:var(--text-primary);align-items:center;gap:.625rem;text-decoration:none;display:inline-flex}.ccf-logo-mark{background-color:var(--accent-cyan);width:2rem;height:2rem;color:var(--text-inverted);border-radius:var(--radius-sm);font-family:var(--font-mono);justify-content:center;align-items:center;font-size:1rem;font-weight:700;display:inline-flex}.ccf-logo-text{font-family:var(--font-mono);letter-spacing:.1875rem;color:var(--text-primary);font-size:1.125rem;font-weight:700}.ccf-breadcrumb{font-family:var(--font-mono);color:var(--text-tertiary);align-items:center;gap:.375rem;font-size:.85rem;font-weight:500;display:inline-flex}.ccf-breadcrumb-group{align-items:center;gap:.375rem;display:inline-flex}.ccf-breadcrumb-step{color:var(--text-tertiary)}.ccf-breadcrumb-step.is-current{color:var(--accent-cyan);font-weight:600}.ccf-breadcrumb-sep{color:var(--text-muted)}.ccf-topbar-actions{align-items:center;gap:.75rem;display:inline-flex}.ccf-lang-toggle{background-color:var(--bg-card);font-family:var(--font-mono);border-radius:.25rem;align-items:center;gap:.25rem;padding:.25rem .5rem;font-size:.625rem;display:inline-flex}.ccf-lang-active{color:var(--accent-cyan);font-weight:700}.ccf-lang-sep{color:var(--text-muted)}.ccf-lang-inactive{color:var(--text-muted);font-weight:500}.ccf-main{padding:var(--space-xl) var(--space-lg);flex:1;justify-content:center;display:flex}.ccf-page{gap:var(--space-lg);flex-direction:column;width:100%;max-width:47.5rem;display:flex}.quiz-tag-row{flex-wrap:wrap;gap:.375rem;display:flex}.quiz-tag-module,.quiz-tag-theme{font-family:var(--font-mono);letter-spacing:.09375rem;border-radius:.1875rem;align-items:center;padding:.1875rem .5rem;font-size:.5625rem;font-weight:700;display:inline-flex}.quiz-tag-module{background-color:var(--accent-cyan);color:var(--text-inverted)}.quiz-tag-theme{background-color:var(--accent-cyan-glow);color:var(--accent-cyan)}.quiz-hero{padding:var(--space-lg);background-color:var(--bg-card);border-radius:var(--radius-lg);border:.0625rem solid var(--border-subtle);flex-direction:column;gap:.625rem;display:flex;position:relative;overflow:hidden}.quiz-hero:before{content:"";background:linear-gradient(180deg, var(--accent-cyan-fade) 0%, transparent 100%);pointer-events:none;position:absolute;inset:0}.quiz-hero>*{position:relative}.quiz-hero-title{font-family:var(--font-display);letter-spacing:-.03125rem;color:var(--text-primary);margin:0;font-size:2rem;font-weight:800;line-height:1.1}.quiz-hero-desc{font-family:var(--font-body);color:var(--text-secondary);max-width:60ch;margin:0;font-size:.875rem;line-height:1.55}.quiz-setup-form{gap:var(--space-lg);padding:var(--space-lg);background-color:var(--bg-card);border-radius:var(--radius-lg);border:.0625rem solid var(--border-subtle);flex-direction:column;display:flex}.quiz-field{gap:var(--space-sm);flex-direction:column;display:flex}.quiz-field-label{font-family:var(--font-mono);letter-spacing:.125rem;color:var(--accent-cyan);text-transform:uppercase;font-size:.625rem;font-weight:700}.quiz-select{appearance:none;background-color:var(--bg-inset);width:100%;color:var(--text-primary);border:.0625rem solid var(--border-subtle);border-radius:var(--radius-md);font-family:var(--font-body);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2322D3EE' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right .875rem center;background-repeat:no-repeat;padding:.75rem 2.25rem .75rem .875rem;font-size:.875rem;line-height:1.4;transition:border-color .15s,background-color .15s}.quiz-select:focus{border-color:var(--accent-cyan);background-color:var(--bg-elevated);outline:none}.quiz-level-options{gap:var(--space-sm);grid-template-columns:repeat(3,1fr);display:grid}.quiz-level-option{background-color:var(--bg-inset);border:.0625rem solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;align-items:flex-start;gap:.25rem;padding:.875rem 1rem;transition:border-color .15s,background-color .15s;display:flex;position:relative}.quiz-level-option:hover{border-color:var(--accent-cyan-dim)}.quiz-level-option.is-active{border-color:var(--accent-cyan);background-color:var(--accent-cyan-soft)}.quiz-level-radio{opacity:0;pointer-events:none;position:absolute}.quiz-level-rank{font-family:var(--font-mono);letter-spacing:.09375rem;color:var(--accent-cyan);font-size:.625rem;font-weight:700}.quiz-level-label{font-family:var(--font-body);color:var(--text-primary);font-size:.875rem;font-weight:600}.quiz-field-error{font-family:var(--font-mono);color:oklch(70.4% .191 22.22);margin:0;font-size:.6875rem}.quiz-submit,.quiz-response-submit{background-color:var(--accent-cyan);color:var(--text-inverted);border-radius:var(--radius-md);font-family:var(--font-mono);letter-spacing:.125rem;text-transform:uppercase;cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.875rem 1.5rem;font-size:.75rem;font-weight:700;transition:background-color .15s,transform .15s;display:inline-flex}.quiz-submit:hover:not(:disabled),.quiz-response-submit:hover:not(:disabled){background-color:oklch(86.5% .127 207.08)}.quiz-submit:disabled,.quiz-response-submit:disabled{background-color:var(--text-muted);color:var(--text-tertiary);cursor:not-allowed}.quiz-submit-arrow{display:inline-block;transform:translateY(-.0625rem)}.quiz-header{padding:var(--space-lg);background-color:var(--bg-card);border-radius:var(--radius-lg);border:.0625rem solid var(--border-subtle);flex-direction:column;gap:.625rem;display:flex;position:relative;overflow:hidden}.quiz-header:before{content:"";background:linear-gradient(180deg, var(--accent-cyan-fade) 0%, transparent 100%);pointer-events:none;position:absolute;inset:0}.quiz-header>*{position:relative}.quiz-header-title{font-family:var(--font-display);letter-spacing:-.03125rem;color:var(--text-primary);margin:0;font-size:1.75rem;font-weight:800;line-height:1.15}.quiz-header-desc{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:.8125rem;line-height:1.5}.dynamic-quiz{gap:var(--space-md);padding:var(--space-lg);background-color:var(--bg-card);border-radius:var(--radius-lg);border:.0625rem solid var(--border-subtle);flex-direction:column;min-height:15rem;display:flex}.quiz-message{padding:var(--space-md) var(--space-md) var(--space-md) 1.25rem;background-color:var(--bg-inset);border-radius:var(--radius-md);flex-direction:column;gap:.375rem;display:flex;position:relative}.quiz-message:before{content:"";background-color:var(--text-muted);border-radius:.125rem;width:.1875rem;position:absolute;top:.875rem;bottom:.875rem;left:.5rem}.quiz-message-assistant:before{background-color:var(--accent-cyan)}.quiz-message-user{background-color:var(--bg-elevated)}.quiz-message-role{font-family:var(--font-mono);letter-spacing:.125rem;text-transform:uppercase;color:var(--text-tertiary);font-size:.5625rem;font-weight:700}.quiz-message-assistant .quiz-message-role{color:var(--accent-cyan)}.quiz-message-content{font-family:var(--font-body);color:var(--text-primary);white-space:pre-wrap;word-wrap:break-word;margin:0;font-size:.875rem;line-height:1.6}.quiz-typing{color:var(--accent-cyan);letter-spacing:.25rem;gap:.25rem;font-size:1.125rem;line-height:1;display:inline-flex}.quiz-typing span{animation:1.2s ease-in-out infinite quiz-typing-pulse}.quiz-typing span:nth-child(2){animation-delay:.2s}.quiz-typing span:nth-child(3){animation-delay:.4s}@keyframes quiz-typing-pulse{0%,80%,to{opacity:.3}40%{opacity:1}}.quiz-error{border-radius:var(--radius-md);color:oklch(80.8% .114 19.57);font-family:var(--font-body);background-color:oklch(70.4% .191 22.22/.08);border:.0625rem solid oklch(70.4% .191 22.22/.3);margin:0;padding:.75rem 1rem;font-size:.8125rem}.quiz-response-form{gap:var(--space-sm);padding:var(--space-lg);background-color:var(--bg-card);border-radius:var(--radius-lg);border:.0625rem solid var(--border-subtle);flex-direction:column;display:flex}.quiz-response-label{font-family:var(--font-mono);letter-spacing:.125rem;color:var(--accent-cyan);text-transform:uppercase;font-size:.625rem;font-weight:700}.quiz-response-input{background-color:var(--bg-inset);width:100%;color:var(--text-primary);border:.0625rem solid var(--border-subtle);border-radius:var(--radius-md);font-family:var(--font-body);resize:vertical;min-height:6rem;padding:.75rem .875rem;font-size:.875rem;line-height:1.5;transition:border-color .15s,background-color .15s}.quiz-response-input:focus{border-color:var(--accent-cyan);background-color:var(--bg-elevated);outline:none}.quiz-response-input::placeholder{color:var(--text-muted)}.quiz-response-actions{justify-content:flex-end;display:flex}@media (width<=45rem){.ccf-topbar{padding:.75rem 1rem}.ccf-breadcrumb{display:none}.ccf-main{padding:var(--space-md) var(--space-md) var(--space-xl)}.quiz-hero,.quiz-header,.quiz-setup-form,.dynamic-quiz,.quiz-response-form{padding:var(--space-md);border-radius:var(--radius-md)}.quiz-hero-title{font-size:1.625rem}.quiz-header-title{font-size:1.375rem}.quiz-level-options{grid-template-columns:1fr}}