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.burger-line:nth-child(3){transform:rotate(-45deg)translate(5px,-6px)}.mobile-menu{z-index:100;background:#fff;border:1px solid #e0e0e0;border-radius:0 0 8px 8px;position:absolute;top:60px;right:0;box-shadow:0 8px 20px #0000001a}.mobile-menu ul{margin:0;padding:10px 0;list-style:none}.mobile-menu li{padding:8px 20px}.menu-link{color:#333;font-size:1rem;font-weight:500;text-decoration:none;transition:color .2s}.menu-link:hover{color:#0070f3}button.menu-link{cursor:pointer;background:0 0;border:none;font-family:inherit}@media (max-width:767px){.desktop-only{display:none}.mobile-only{display:flex}.mode-switcher{display:block}.mode-button{width:100%;margin-bottom:8px;display:block}}.carousel-wrapper{justify-content:center;align-items:center;max-width:100vw;margin:0 auto;display:flex;position:relative}.carousel-track{width:100%;overflow:hidden}.carousel-slides{transition:transform .4s;display:flex}.carousel-slide{color:#fff;text-shadow:0 2px 6px #0000004d;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;min-width:100%;height:300px;font-size:24px;font-weight:700;display:flex}.carousel-arrow{cursor:pointer;z-index:10;color:#333;background:#ffffffe6;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-size:2rem;transition:opacity .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 2px 8px #0003}.carousel-arrow:disabled{opacity:.3;cursor:default}.carousel-arrow-left{left:8px}.carousel-arrow-right{right:8px}@media (min-width:768px){.carousel-wrapper{max-width:1264px}.carousel-track{width:100%}.carousel-slide{min-width:240px;margin-right:16px}.carousel-slides{gap:16px}}.auth-container{background:#fff;border-radius:12px;max-width:400px;margin:40px auto;padding:20px;box-shadow:0 4px 20px #00000014}.auth-title{text-align:center;color:#333;margin-bottom:24px;font-size:1.5rem}.auth-label{color:#555;flex-direction:column;gap:4px;font-size:.9rem;display:flex}.auth-input{border:1px solid #ddd;border-radius:8px;padding:10px 12px;font-size:1rem;transition:border-color .2s}.auth-input:focus{border-color:#0070f3;outline:none}.auth-button{color:#fff;cursor:pointer;background:#0070f3;border:none;border-radius:8px;padding:12px;font-size:1rem;font-weight:600;transition:background .2s}.auth-main{background:#f9fafb;min-height:100vh;padding:2rem 0}.auth-card{background:#fff;border-radius:12px;max-width:400px;margin:0 auto;padding:2rem;box-shadow:0 4px 12px #0000001a}.auth-card-title{text-align:center;color:#333;margin-bottom:1.5rem;font-size:2rem;font-weight:700}.auth-error{color:#dc2626;background:#fee2e2;border:1px solid #fecaca;border-radius:8px;margin-bottom:1rem;padding:.75rem 1rem}.auth-form{flex-direction:column;gap:1.25rem;display:flex}.auth-label{color:#555;margin-bottom:.25rem;font-size:.9rem;font-weight:500;display:block}.auth-input{border:2px solid #e0e0e0;border-radius:8px;outline:none;width:92%;padding:.75rem;font-size:1rem}.auth-input:focus{border-color:#0070f3}.auth-button{color:#fff;cursor:pointer;background:#0070f3;border:none;border-radius:8px;width:100%;margin-top:.5rem;padding:.75rem;font-size:1.1rem}.auth-button:hover{background:#0051b3}.auth-footer{text-align:center;color:#666;margin-top:1.5rem}.auth-link{color:#0070f3;text-decoration:none}.auth-link:hover{text-decoration:underline}@media (max-width:768px){.hero-slogan{padding:10px}.hero-slogan h1{margin-bottom:6px;font-size:5vw;line-height:1.6}.hero-slogan p{font-size:4vw;line-height:1.3}.auth-card{padding:20px}.auth-input{width:72vw}.auth-main{padding:10px}}.password-field{position:relative}.password-input-wrapper{align-items:center;display:flex;position:relative}.password-input-wrapper .auth-input{width:100%;padding-right:40px}.password-toggle{cursor:pointer;color:#666;background:0 0;border:none;padding:0;font-size:1.2rem;line-height:1;transition:color .2s;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.password-toggle:hover{color:#333}.user-menu{align-items:center;gap:8px;display:flex}.user-avatar{color:#fff;cursor:default;background:#0070f3;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:1rem;font-weight:700;display:flex}.logout-btn{color:#dc3545;cursor:pointer;background:0 0;border:1px solid #dc3545;border-radius:4px;padding:4px 10px;font-size:.9rem;transition:background .2s,color .2s}.logout-btn:hover{color:#fff;background:#dc3545}.welcome-message{color:#1e3a5f;background:#f0f7ff;border:1px solid #b3d4ff;border-radius:12px;margin-bottom:16px;padding:16px;font-size:.95rem;line-height:1.5}.welcome-message strong{font-size:1.05rem}.action-btn{letter-spacing:.3px;background:#28a745;font-weight:600;box-shadow:0 2px 8px #0000001a}.action-btn:hover{background:#218838}.mode-button.active{color:#0050b3;background:#e6f0ff;border-color:#0050b3;font-weight:600}.html-output-container{margin-top:12px}.html-output{resize:vertical;color:#333;background:#f8f9fa;border:1px solid #ccc;border-radius:6px;width:100%;height:200px;padding:10px;font-family:monospace;font-size:.85rem}.download-btn{color:#fff;cursor:pointer;background:#0070f3;border:none;border-radius:4px;margin-top:6px;padding:6px 16px;font-weight:500;transition:background .2s}.download-btn:hover{background:#0051b3}