:root{--bg-primary: #0d0f14;--bg-secondary: #13161d;--bg-elevated: #1a1e28;--bg-card: #1e2230;--bg-hover: #252a38;--accent: #4f8ef7;--accent-hover: #3a7be8;--accent-dim: rgba(79, 142, 247, .12);--accent-border: rgba(79, 142, 247, .3);--success: #34d399;--success-dim: rgba(52, 211, 153, .12);--warning: #fbbf24;--warning-dim: rgba(251, 191, 36, .12);--danger: #f87171;--danger-dim: rgba(248, 113, 113, .12);--text-primary: #f0f2f8;--text-secondary: #8b92a8;--text-muted: #555d72;--text-accent: #4f8ef7;--border: #252a38;--border-subtle: #1e2230;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--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;--space-16: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 16px rgba(0,0,0,.4);--shadow-lg: 0 8px 32px rgba(0,0,0,.5);--shadow-accent: 0 0 24px rgba(79, 142, 247, .15);--transition-fast: .12s ease;--transition-base: .2s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-hover)}img,svg{display:block}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--text-primary)}.mono{font-family:var(--font-mono)}.container{max-width:1100px;margin:0 auto;padding:0 var(--space-6)}.container-sm{max-width:720px;margin:0 auto;padding:0 var(--space-6)}.page{flex:1;padding:var(--space-10) 0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-6);transition:border-color var(--transition-base)}.card:hover{border-color:var(--border-subtle)}.card-elevated{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-8);box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px var(--space-5);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition-fast);white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #4f8ef759}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent-border)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){color:var(--text-primary);border-color:var(--border);background:var(--bg-elevated)}.btn-danger{background:transparent;color:var(--danger);border:1px solid rgba(248,113,113,.3)}.btn-danger:hover:not(:disabled){background:var(--danger-dim)}.btn-sm{padding:6px var(--space-3);font-size:.8rem}.btn-lg{padding:13px var(--space-8);font-size:1rem}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.form-input,.form-textarea,.form-select{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;padding:10px var(--space-4);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;width:100%}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.form-textarea{resize:vertical;min-height:140px;font-size:.95rem;line-height:1.6}.choice-grid{display:grid;gap:var(--space-3)}.choice-grid-2{grid-template-columns:repeat(2,1fr)}.choice-grid-3{grid-template-columns:repeat(3,1fr)}.choice-grid-4{grid-template-columns:repeat(4,1fr)}.choice-btn{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--bg-secondary);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-sans);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-align:left}.choice-btn:hover{border-color:var(--accent-border);color:var(--text-primary);background:var(--bg-elevated)}.choice-btn.selected{border-color:var(--accent);background:var(--accent-dim);color:var(--accent);font-weight:600}.choice-icon{font-size:1.2rem;flex-shrink:0}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-blue{background:var(--accent-dim);color:var(--accent);border:1px solid var(--accent-border)}.badge-green{background:var(--success-dim);color:var(--success);border:1px solid rgba(52,211,153,.3)}.badge-yellow{background:var(--warning-dim);color:var(--warning);border:1px solid rgba(251,191,36,.3)}.badge-red{background:var(--danger-dim);color:var(--danger);border:1px solid rgba(248,113,113,.3)}.badge-gray{background:#8b92a81a;color:var(--text-secondary);border:1px solid var(--border)}.progress-bar{height:4px;background:var(--border);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#7cb3ff);border-radius:var(--radius-full);transition:width 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var(--border);border-radius:var(--radius-full);font-size:.82rem;font-weight:600;color:var(--text-primary)}.user-avatar-sm{width:24px;height:24px;background:linear-gradient(135deg,#4f8ef7,#8b5cf6);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#fff;font-weight:700}.navbar-auth-buttons{display:flex;align-items:center;gap:var(--space-2)}.nav-signup-btn{background:linear-gradient(135deg,#4f8ef7,#6366f1);box-shadow:0 0 16px #4f8ef740}.mobile-menu-toggle{display:none;background:transparent;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}.hamburger-bar{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-fast)}.mobile-drawer{position:absolute;top:64px;left:0;right:0;background:#0d0f14f5;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid 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10px;border-radius:var(--radius-full);cursor:pointer;display:flex;align-items:center;gap:5px;transition:all var(--transition-fast)}.sim-cat-tab:hover{color:var(--text-primary)}.sim-cat-tab.active{background:var(--accent);color:#fff;box-shadow:0 0 10px #4f8ef766}.sim-status-chip{display:flex;align-items:center;gap:6px;padding:3px 8px;background:#34d3991a;border:1px solid rgba(52,211,153,.3);border-radius:var(--radius-full)}.sim-live-pulse{width:6px;height:6px;background:var(--success);border-radius:50%;animation:pulse-green 1.5s infinite}.sim-status-label{font-size:.7rem;font-weight:700;color:var(--success);letter-spacing:.05em}.simulation-body{padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-5)}.sim-message{display:flex;gap:var(--space-4);align-items:flex-start}.sim-avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;box-shadow:var(--shadow-sm)}.ai-avatar{background:linear-gradient(135deg,#4f8ef740,#6366f140);border:1.5px solid rgba(79,142,247,.4)}.candidate-avatar{background:linear-gradient(135deg,#a855f740,#ec489940);border:1.5px solid rgba(168,85,247,.4)}.sim-bubble-wrapper{flex:1}.sim-speaker-row{display:flex;align-items:center;gap:var(--space-2);margin-bottom:6px}.speaker-name{font-size:.85rem;font-weight:700;color:var(--text-primary)}.speaker-role{font-size:.75rem;color:var(--text-muted)}.audio-wave-anim{display:inline-flex;align-items:center;gap:3px;margin-left:6px;height:12px}.wave-bar{width:2px;height:100%;background:var(--accent);border-radius:1px;animation:wave-bounce 1s ease-in-out infinite alternate}.wave-bar:nth-child(1){animation-delay:.1s;height:6px}.wave-bar:nth-child(2){animation-delay:.3s;height:12px}.wave-bar:nth-child(3){animation-delay:.2s;height:9px}.wave-bar:nth-child(4){animation-delay:.4s;height:7px}@keyframes wave-bounce{0%{transform:scaleY(.4)}to{transform:scaleY(1)}}.sim-bubble{padding:var(--space-4) var(--space-5);border-radius:var(--radius-lg);font-size:.95rem;line-height:1.6}.ai-bubble{background:#1a1e28cc;border:1px solid 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10px;border-radius:var(--radius-full)}.score-num{font-family:var(--font-mono);font-weight:800;font-size:.95rem;color:var(--success)}.score-denom{font-size:.75rem;color:var(--text-muted)}.score-verdict{margin-left:6px;font-size:.75rem;font-weight:600;color:var(--text-primary)}.sim-feedback-highlight{font-size:.88rem;color:var(--text-secondary);line-height:1.5}.sim-feedback-highlight strong{color:var(--text-primary)}.sim-followup-box{background:#0000004d;border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:.82rem;display:flex;align-items:flex-start;gap:var(--space-2)}.followup-tag{color:var(--accent);font-weight:700;flex-shrink:0}.followup-text{color:var(--text-secondary)}.simulation-footer{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);background:#00000059;border-top:1px solid 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