@import "https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&display=swap";:root{color:#fff;background-color:#0f1115;font-family:Outfit,sans-serif}body{-webkit-tap-highlight-color:transparent;background:radial-gradient(circle at 50% 0,#1f222b 0%,#0f1115 100%) fixed;flex-direction:column;width:100vw;min-height:100vh;margin:0;display:flex;overflow-x:hidden}.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{-webkit-backdrop-filter:blur(12px);z-index:100;background:#0f1115b3;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:1.5rem 4rem;display:flex;position:sticky;top:0}.logo{letter-spacing:-1px;color:#fff;font-size:1.8rem;font-weight:800}.logo span{color:#ff4757}.app-nav{align-items:center;gap:2rem;display:flex}.app-nav a{color:#ffffffb3;font-size:1rem;font-weight:600;text-decoration:none;transition:color .3s}.app-nav a:hover{color:#fff}.nav-btn{background:#ffffff1a;border:1px solid #ffffff1a;border-radius:8px;padding:.6rem 1.2rem;transition:all .3s}.nav-btn:hover{background:#ffffff26}.main-content{flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.card{-webkit-backdrop-filter:blur(12px);cursor:pointer;-webkit-user-select:none;user-select:none;box-sizing:border-box;background:#ffffff08;border:1px solid #ffffff0d;border-radius:32px;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:800px;padding:4rem;transition:background .3s,border .3s,transform .3s;display:flex;box-shadow:0 8px 32px #0000004d}.card:hover{background:#ffffff0d;border:1px solid #ffffff1a;transform:translateY(-4px)}.sentence-container{text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:.8rem;font-size:2.5rem;font-weight:600;line-height:1.4;display:flex}.animated-word-wrapper{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:12px;padding:.2rem .6rem;font-weight:800;display:flex}.animated-word-wrapper span{white-space:pre;display:inline-block}.normal-word{color:#fff9}.hint{color:#fff6;text-align:center;margin-top:2rem;font-size:1.1rem;font-weight:400}.explanation-box{box-sizing:border-box;text-align:left;background:#0000004d;border:1px solid #ffffff0d;border-radius:20px;width:100%;padding:1.5rem 2rem;overflow:hidden}@media (width<=768px){.app-header{padding:1rem 1.5rem}.app-nav{display:none}.main-content{align-items:stretch;padding:1.5rem 1rem}.card{border-radius:24px;justify-content:center;padding:2.5rem 1.5rem}.sentence-container{gap:.5rem;font-size:1.5rem}.animated-word-wrapper{border-radius:8px;padding:.1rem .4rem}.explanation-box{padding:1.2rem}.explanation-box p{font-size:1rem!important}}