:root{--primary: #ff80ab;--secondary: #80deea;--accent: #fff59d;--background: #fffafa;--text: #4e342e;--card-bg: rgba(255, 255, 255, .85);--shadow: 0 10px 30px rgba(0, 0, 0, .08);--radius: 24px;--font: "Outfit", "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--background);color:var(--text);line-height:1.6;overflow-x:hidden;background-image:radial-gradient(circle at 10% 20%,rgba(255,128,171,.05) 0%,transparent 20%),radial-gradient(circle at 90% 80%,rgba(128,222,234,.05) 0%,transparent 20%)}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:2rem;width:100%}header{text-align:center;padding:4rem 1rem;background:linear-gradient(135deg,#fff,#fff5f8);border-bottom-left-radius:80px;border-bottom-right-radius:80px;box-shadow:var(--shadow);margin-bottom:3rem;position:relative}header h1{font-size:3.5rem;color:var(--primary);margin-bottom:1rem;letter-spacing:-1px;font-weight:800;text-shadow:2px 2px 0px rgba(255,128,171,.1)}header p{font-size:1.2rem;color:#888;max-width:600px;margin:0 auto}.hero-section{display:flex;align-items:center;justify-content:center;margin-bottom:4rem;gap:3rem;flex-wrap:wrap}.hero-image{width:100%;max-width:500px;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .5s cubic-bezier(.175,.885,.32,1.275)}.hero-image:hover{transform:scale(1.02) rotate(-1deg)}.subscription-card{background:#fff;padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;border:4px solid var(--accent);max-width:400px;width:100%}.subscription-card h2{font-size:2rem;margin-bottom:1rem;color:var(--text)}.price{font-size:3rem;font-weight:800;color:var(--primary);margin:1.5rem 0}.price span{font-size:1rem;color:#aaa;font-weight:400}.puzzle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2.5rem;padding-bottom:5rem}.puzzle-card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:all .4s ease;border:1px solid rgba(255,255,255,.5);display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;color:inherit}.puzzle-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #ff80ab26;border-color:var(--primary)}.puzzle-icon{font-size:3rem;margin-bottom:1rem}.puzzle-name{font-size:1.5rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}.puzzle-tag{background:var(--secondary);color:#fff;padding:.3rem .8rem;border-radius:50px;font-size:.8rem;font-weight:600;margin-bottom:1rem}footer{margin-top:auto;padding:3rem 1rem;text-align:center;background:#fff;border-top:1px solid #eee}footer p{color:#aaa;font-size:.9rem}.auth-page{min-height:100vh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at 0% 0%,rgba(255,128,171,.1) 0%,transparent 50%),radial-gradient(circle at 100% 100%,rgba(128,222,234,.1) 0%,transparent 50%),snow;padding:2rem}.auth-card{background:#ffffffb3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.8);border-radius:40px;padding:3rem;width:100%;max-width:480px;box-shadow:0 25px 50px -12px #0000000d,0 0 0 1px #ff80ab1a;text-align:center;animation:float 6s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.auth-header h1{font-size:2.2rem;background:linear-gradient(135deg,var(--primary),#ec407a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.auth-header p{color:#888;font-size:1rem;margin-bottom:2.5rem}.auth-form{display:flex;flex-direction:column;gap:1.2rem}.input-group{position:relative;width:100%}.input-group input{width:100%;padding:1.2rem 1.5rem;border-radius:20px;border:2px solid transparent;background:#ffffffe6;font-family:inherit;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #00000005}.input-group input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 10px 20px #ff80ab1a;transform:translateY(-2px)}.btn-auth-submit{background:linear-gradient(135deg,var(--primary),#f06292);color:#fff;border:none;padding:1.2rem;border-radius:20px;font-size:1.1rem;font-weight:700;cursor:pointer;margin-top:1rem;transition:all .3s;box-shadow:0 10px 20px #ff80ab4d}.btn-auth-submit:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 15px 30px #ff80ab66}.social-auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem}.btn-social-premium{display:flex;align-items:center;justify-content:center;gap:.8rem;padding:1rem;border-radius:18px;border:1px solid rgba(0,0,0,.05);background:#fff;font-family:inherit;font-weight:600;cursor:pointer;transition:all .3s}.btn-social-premium:hover{background:#f8f9fa;transform:translateY(-2px);box-shadow:0 5px 15px #0000000d}.btn-social-premium.google{color:#4285f4}.btn-social-premium.kakao{background:#fee500;border:none}.auth-divider{display:flex;align-items:center;margin:2rem 0;color:#ccc;font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#eee}.auth-divider span{padding:0 1rem}.auth-switch{margin-top:2rem;color:#888;font-size:.95rem}.btn-text-link{background:none;border:none;color:var(--primary);font-weight:700;cursor:pointer;margin-left:.5rem;padding:0;font-size:inherit;font-family:inherit}.btn-text-link:hover{text-decoration:underline}.user-nav{display:flex;justify-content:flex-end;align-items:center;gap:1rem;padding:1rem 2rem;font-size:.9rem;font-weight:600;color:var(--text);background:#ffffff80;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:50px;margin-bottom:2rem}.btn-logout{background:#eee;border:none;padding:.5rem 1rem;border-radius:20px;cursor:pointer;font-weight:600;transition:background .3s}.btn-logout:hover{background:#ddd}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeInUp .8s ease forwards}@media (max-width: 768px){header h1{font-size:2.5rem}.container{padding:1rem}}