#header{display:flex;z-index:5;position:fixed;width:calc(100vw - 80px);padding:27px 40px;justify-content:space-between;background:var(--header);-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);box-shadow:var(--header-shadow)}#header>a{text-decoration:none;gap:5px;color:var(--font-color);font-size:24.5px;font-style:normal;font-weight:700;line-height:normal;letter-spacing:1.7px}#header>a,#header>nav{display:flex;align-items:center}#header>nav{gap:20px}#header>nav>a{color:var(--nav-color)}#header>nav>a,#header>nav>a:hover{text-decoration:none;transition:all .5s}#header>nav>a:hover{color:#346eba}.sign-in-button{width:80px;height:40px;display:flex;justify-content:center;align-items:center;gap:10px;border-radius:10px;background:var(--blue-font-dark);border:0;font-family:inherit;color:var(--font-dark);transition:all .5s}.sign-in-button:hover{background:#5b95e0}.login-modal{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center;background:rgba(0,0,0,.5);z-index:1000}.login-modal-content{width:530px;height:auto;display:flex;flex-direction:column;align-items:center;border-radius:15px;background:var(--modal-window-background);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding-bottom:40px}.login-modal-content>div:first-child{display:flex;width:calc(100% - 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40px);height:calc(100vh - 94px - 20px);padding:94px 20px 20px;transform:translateX(100%);transition:transform .3s ease-in-out;box-shadow:-2px 0 10px rgba(0,0,0,.1);z-index:7;justify-content:space-around;align-items:center}.burger-menu.open{transform:translateX(0);-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px)}.burger-menu.open>.sign-in-button{width:120px}.burger-menu a{margin:15px 0;font-size:18px;color:var(--font-color);text-decoration:none}.burger-menu a:hover{text-decoration:underline}.burger-toggle{background:none;border:none;cursor:pointer;z-index:1100;display:flex;justify-content:center;align-items:center;min-width:44px;min-height:44px}.burger-toggle img{width:25px;height:25px}.burger-menu.open>nav,.burger-menu>nav{display:flex;flex-direction:column;gap:20px;text-align:center}@media screen and (max-width:550px){.login-modal-content{width:300px}.login-modal-content>input,.password-input{width:200px}}@media screen and (max-width:350px){#header{width:calc(100vw - 50px);padding:27px 25px}}.theme-switcher{position:fixed;bottom:20px;right:20px;z-index:100;width:80px;height:40px;background:linear-gradient(145deg,#e0e0e0,#fff);box-shadow:0 4px 6px rgba(0,0,0,.1);border-radius:20px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:5px;transition:background .5s}.theme-switcher.dark{background:linear-gradient(145deg,#333,#555)}.theme-switcher .toggle{width:34px;height:34px;background:#fff;border-radius:50%;box-shadow:0 2px 4px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;transition:transform .3s,background .3s}.theme-switcher.dark .toggle{background:#333;transform:translateX(40px)}.theme-switcher .icon{font-size:18px;color:#000}.theme-switcher.dark .icon{color:#fff}