:root{--bg-color: #0f172a;--card-bg: rgba(30, 41, 59, .7);--accent-color: #38bdf8;--text-primary: #f8fafc;--text-secondary: #94a3b8;--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--gradient-main: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--gradient-accent: linear-gradient(90deg, #38bdf8 0%, #818cf8 100%)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:Outfit,Noto Sans KR,sans-serif;background-color:var(--bg-color);background:var(--gradient-main);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden}#app{width:100%;max-width:500px;padding:2rem 1rem;min-height:100vh;display:flex;flex-direction:column}header{text-align:center;margin-bottom:3rem}h1{font-size:2.5rem;font-weight:800;letter-spacing:-1px;background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:.9rem}.slider-labels{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-secondary);margin-bottom:2rem}.card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;padding:2rem;box-shadow:var(--glass-shadow);animation:slideUp .5s cubic-bezier(.16,1,.3,1);margin-bottom:1.5rem}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.step-counter{display:block;font-size:.8rem;color:var(--accent-color);font-weight:700;margin-bottom:.5rem;letter-spacing:1px}h2{font-size:1.5rem;margin-bottom:1.5rem;font-weight:600;line-height:1.4}.options-grid{display:grid;gap:1rem}.option-btn{background:#ffffff0d;border:1px solid var(--glass-border);border-radius:12px;padding:1.2rem;color:var(--text-primary);font-family:inherit;font-size:1rem;cursor:pointer;transition:all .2s ease;text-align:left;display:flex;justify-content:space-between;align-items:center}.option-btn:hover{background:#ffffff1a;border-color:var(--accent-color);transform:translate(4px)}.option-btn.selected{background:#38bdf833;border-color:var(--accent-color);box-shadow:0 0 15px #38bdf833}.option-btn:active{transform:scale(.98)}.prob-tag{font-size:.75rem;background:#ffffff1a;padding:2px 8px;border-radius:20px;color:var(--text-secondary)}.survey-navigation{display:flex;align-items:center;gap:1rem;width:100%;position:relative}.card-wrapper{flex:1;min-width:0}.arrow-btn{background:#ffffff14;border:1px solid var(--glass-border);color:var(--text-secondary);width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;flex-shrink:0;z-index:10}.arrow-btn:hover{background:#ffffff1a;color:var(--accent-color);border-color:var(--accent-color);transform:scale(1.1)}.arrow-btn svg{display:block;width:30px;height:30px;stroke:currentColor;transition:stroke .2s ease}.arrow-btn:hover svg{stroke:var(--accent-color)}.arrow-btn.hidden{display:none}.arrow-btn.invisible{visibility:hidden}@media(max-width:600px){.survey-navigation{gap:.3rem}.arrow-btn{width:46px;height:46px;background:#ffffff1f}.arrow-btn svg{width:28px;height:28px}}.slider-wrapper{margin-top:1rem}.slider-value-display{font-size:1.6rem;font-weight:800;text-align:center;margin-bottom:1.5rem;color:var(--accent-color)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;background:#ffffff1a;border-radius:5px;outline:none;margin-bottom:1.5rem}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;background:var(--accent-color);border:4px solid var(--bg-color);border-radius:50%;cursor:pointer;box-shadow:0 0 15px #38bdf880;transition:transform .2s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.range-slider-container{position:relative;width:100%;height:6px;margin:3rem 0}.range-track{position:absolute;top:0;left:0;width:100%;height:100%;background:#ffffff1a;border-radius:5px;z-index:1}.range-slider-container input[type=range]{position:absolute;top:0;left:0;width:100%;background:none;pointer-events:none;z-index:2;margin:0}.range-slider-container input[type=range]::-webkit-slider-thumb{pointer-events:auto;position:relative;z-index:3}.range-slider-container input[type=range]::-moz-range-thumb{pointer-events:auto;position:relative;z-index:3}.fixed-progress{position:fixed;bottom:0;left:0;width:100%;background:#0f172ae6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 1.5rem;border-top:1px solid var(--glass-border);display:flex;flex-direction:column;gap:.5rem;z-index:100}.progress-bar-bg{width:100%;height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--gradient-accent);width:0%;transition:width .3s ease}.current-odds{font-size:.85rem;color:var(--text-secondary);display:flex;justify-content:space-between}#live-odds{color:var(--accent-color);font-weight:700;font-variant-numeric:tabular-nums}.hidden{display:none!important}.result-card{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:32px;padding:3rem 2rem;text-align:center;box-shadow:var(--glass-shadow)}.probability-value{font-size:clamp(2rem,10vw,4rem);font-weight:800;background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:1rem 0;letter-spacing:-2px;word-break:break-all;line-height:1.1;overflow-wrap:break-word}.analogy-container{margin:2rem 0;padding:1.5rem;background:#ffffff08;border-radius:16px;font-size:1.1rem;line-height:1.6;color:var(--accent-color);font-weight:600}.selection-toggle-container{margin-top:2rem;border-top:1px solid rgba(255,255,255,.05);padding-top:1rem}.toggle-btn{background:none;border:none;color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;padding:.5rem;margin-bottom:0;transition:color .2s ease;width:auto;display:inline-block}.toggle-btn:hover{color:var(--accent-color)}.selection-content{max-height:1000px;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1),opacity .3s ease;opacity:1}.selection-content.collapsed{max-height:0;opacity:0;pointer-events:none}.stats-summary{width:100%}.stats-summary{text-align:left;margin-bottom:2rem;font-size:.9rem;color:var(--text-secondary)}.selection-summary h4{margin-top:1.5rem;margin-bottom:.8rem;color:var(--text-primary);font-size:1rem}.selection-summary ul{list-style:none;padding:0}.selection-summary li{padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.summary-label{font-weight:700;color:var(--text-primary);flex-shrink:0}.summary-value{text-align:right;color:var(--accent-color);font-weight:600}button.primary{background:var(--gradient-accent);color:#000;border:none;font-weight:700}button{width:100%;padding:1rem;border-radius:12px;border:1px solid var(--glass-border);background:#ffffff0d;color:var(--text-primary);font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;margin-bottom:.8rem;transition:all .2s ease}button:hover{filter:brightness(1.1)}button.secondary-btn{background:#ffffff08;border:1px solid rgba(255,255,255,.1);color:var(--text-secondary);font-size:.95rem;margin-top:.5rem;position:relative;overflow:hidden}button.secondary-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.05),transparent);transition:.5s}button.secondary-btn:hover:before{left:100%}button.secondary-btn:hover{background:#ffffff14;color:var(--text-primary);border-color:#ffffff4d;box-shadow:0 0 20px #ffffff0d}.nav-controls{display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem}.nav-btn{flex:1;padding:.8rem;font-size:.9rem;background:#ffffff0d;margin-bottom:0}.nav-btn.secondary{border-color:#ffffff1a;color:var(--text-secondary)}.mbti-container{display:flex;flex-direction:column;gap:1.2rem;margin-bottom:1.5rem}.mbti-row{display:flex;flex-direction:column;gap:.5rem}.mbti-row-label{font-size:.85rem;color:var(--text-secondary);font-weight:600}.mbti-btn-group{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.mbti-btn-mini{padding:.8rem .4rem;font-size:.85rem;border-radius:10px;background:#ffffff0d;margin-bottom:0}.mbti-btn-mini.selected{background:#38bdf833;border-color:var(--accent-color);color:var(--accent-color)}footer{margin-top:auto;text-align:center;padding:2rem 0;color:#fff3;font-size:.75rem}