:root{--primary-color:#007bff;--primary-color-hover:#0056b3;--background-color:#f4f6f9;--card-bg-color:#fff;--text-color:#212529;--text-color-muted:#6c757d;--border-color:#dee2e6;--font-family:"Nunito",sans-serif;--shadow-md:0 4px 10px rgba(0,0,0,.06);--shadow-lg:0 10px 25px rgba(0,0,0,.08)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.6}#app-wrapper{display:flex;flex-direction:column;height:100%}#main-header,.landing-footer-minimal{flex-shrink:0}#content-area{flex-grow:1;display:flex;overflow:hidden}#ad-sidebar,#ad-sidebar-left,#chat-container,#landing-content-wrapper{overflow-y:auto;height:100%}#ad-sidebar,#ad-sidebar-left{width:15%;flex-shrink:0;background-color:var(--background-color);padding:15px;display:none}@media (min-width:1024px){#ad-sidebar,#ad-sidebar-left{display:block}}#chat-container,#landing-content-wrapper{flex-grow:1;display:flex;flex-direction:column}.hero-section{text-align:center;padding:60px 20px 0;background:linear-gradient(180deg,#fff 0,#f8f9fa);border-bottom:1px solid var(--border-color)}.hero-section h1{font-size:3.2rem;font-weight:800;margin-bottom:1rem;line-height:1.2;letter-spacing:-1px}@keyframes a{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.hero-section p.hero-subtitle{font-size:1.15rem;color:var(--text-color-muted);max-width:650px;margin:0 auto 50px;letter-spacing:.2px}.hero-section p{font-size:1.2rem;color:var(--text-color-muted);max-width:650px;margin:0 auto 40px;animation:a .8s .2s ease-out both}.login-box{background:hsla(0,0%,100%,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:450px;margin:0 auto;padding:40px;display:flex;flex-direction:column;gap:13px;border:1px solid var(--primary-color);border-radius:16px;box-shadow:var(--shadow-lg);transition:all .3s ease-out}.login-box:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(0,0,0,.12)}.input-group{position:relative}.input-group i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--text-color-muted);font-size:1.1rem;transition:color .2s ease;pointer-events:none}.input-group input,.input-group select{padding-left:45px}.input-group select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1em}.login-box input,.login-box select{width:100%;padding:16px 16px 16px 50px;font-size:1rem;border-radius:12px;border:1px solid var(--border-color);background-color:#f7f8fa;transition:all .2s ease-in-out;-webkit-appearance:none;-moz-appearance:none;appearance:none}.login-box input:hover,.login-box select:hover{border-color:#a9b5c2}.login-box input:focus,.login-box select:focus{outline:none;border-color:var(--primary-color);background-color:var(--card-bg-color);box-shadow:0 0 0 4px rgba(0,123,255,.2)}.input-group:focus-within i{color:var(--primary-color)}#join-button{padding:16px;background-image:linear-gradient(45deg,var(--primary-color),#339dff);color:#fff;border:none;cursor:pointer;font-weight:700;font-size:1.1rem;border-radius:12px;transition:all .2s ease;margin-top:10px;text-transform:uppercase;letter-spacing:.8px}#join-button:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,123,255,.4)}.login-box-title{text-align:center;font-size:1.1rem;font-weight:500;color:var(--text-color-muted);margin:-15px 0 10px}.login-box.is-logging-in{animation:b .5s ease-in forwards}@keyframes b{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.8)}}.validation-message{font-size:.875rem;color:#e74c3c;min-height:1.2em;margin-top:-12px;margin-bottom:8px;text-align:left;padding-left:5px;display:block;transition:opacity .2s ease-in-out;opacity:0}.login-box-microcopy{text-align:center;font-size:.8rem;color:var(--text-color-muted);margin-top:-5px}.validation-message.visible{opacity:1}input.invalid,select.invalid{border-color:#e74c3c!important;box-shadow:0 0 0 4px rgba(231,76,60,.2)}body #disclaimer{display:none}#main-header .mobile-header-icons,#main-header .mobile-header-placeholder,.slide-panel{display:none;gap:15px}.features-section{text-align:center;padding:20px}.features-section h2{font-size:2.2rem;margin-bottom:50px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:15px;max-width:1200px;margin:0 auto}.feature-item{background-color:var(--card-bg-color);padding:40px 30px;border-radius:16px;box-shadow:var(--shadow-md);transition:transform .2s ease,box-shadow .2s ease}.feature-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.feature-item i{font-size:2.5rem;color:var(--primary-color);margin-bottom:20px}.feature-item h3{font-size:1.4rem;margin-bottom:20px}.feature-item p{margin-bottom:0}.how-it-works-section{padding:80px 20px;background-color:var(--card-bg-color);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.how-it-works-section h2{text-align:center;font-size:2.2rem;font-weight:700;margin-top:0;margin-bottom:50px}.how-it-works-section ol{list-style:none;padding:0;max-width:600px;margin:0 auto;counter-reset:a}.how-it-works-section li{display:flex;align-items:flex-start;gap:20px;font-size:1.1rem;line-height:1.5;margin-bottom:30px;position:relative}.how-it-works-section li:before{counter-increment:a;content:counter(a);flex-shrink:0;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;font-weight:700;font-size:1.2rem;box-shadow:0 4px 10px rgba(0,123,255,.3)}.how-it-works-section li:last-child{margin-bottom:0}.faq-section{padding:80px 20px;max-width:800px;margin:0 auto}.faq-section h2{text-align:center;margin-bottom:40px;font-size:2.2rem;font-weight:700}.faq-section details{background-color:var(--card-bg-color);border:1px solid var(--border-color);border-radius:12px;margin-bottom:15px;transition:all .2s ease-in-out}.faq-section details:hover{border-color:#c0d5ec;box-shadow:var(--shadow-md)}.faq-section details[open]{box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.faq-section summary{font-weight:600;font-size:1.15rem;cursor:pointer;list-style:none;padding:25px;position:relative;transition:color .2s ease}.faq-section details[open] summary,.faq-section summary:hover{color:var(--primary-color)}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary:after{content:"\f078";font-family:Font Awesome\ 6 Free;font-weight:900;position:absolute;right:25px;top:50%;transform:translateY(-50%) rotate(0deg);transition:transform .3s ease,color .2s ease;color:var(--text-color-muted)}.faq-section details[open] summary:after{transform:translateY(-50%) rotate(-180deg);color:var(--primary-color)}.faq-section details>div{padding:0 25px 25px;border-top:1px solid var(--border-color);color:var(--text-color-muted)}.faq-section .language-list{list-style:none;padding-left:0;margin:20px 0;column-count:2;column-gap:30px}.faq-section .language-list li{margin-bottom:12px}.faq-section .language-list a{text-decoration:none;color:var(--primary-color);font-weight:500;transition:color .2s ease;display:inline-block}.faq-section .language-list a:hover{color:var(--primary-color-hover);text-decoration:underline}.loader{display:flex;align-items:flex-end;justify-content:center;gap:10px;width:60px;height:40px}.loader-bar{width:8px;height:40px;border-radius:4px;background-color:var(--primary-color);animation:c 1.2s ease-in-out infinite}.loader-bar:nth-child(2){animation-delay:.2s}.loader-bar:nth-child(3){animation-delay:.4s}.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#f0f2f5;display:flex;justify-content:center;align-items:center;z-index:2;transition:opacity .3s ease-in-out}body.dark-theme .loader-overlay{background-color:#1c1e21}.loader-container{transform:scale(1.5)}@keyframes c{0%{transform:scaleY(.25);opacity:.5}50%{transform:scaleY(1);opacity:1}to{transform:scaleY(.25);opacity:.5}}body.logged-in #landing-content-wrapper,body.logged-out #chat-screen{display:none!important}body.logged-in #chat-screen{display:flex!important;flex-grow:1;height:100%;overflow:hidden}#main-header .theme-toggle-button{display:none}body.logged-in #main-header .theme-toggle-button{display:inline-flex}.secondary-promo-section{margin-top:60px;padding:0 20px;margin-bottom:60px;background:transparent}.promo-box{max-width:680px;margin:0 auto;background-color:var(--card-bg-color);border:1px solid var(--border-color);border-radius:16px;padding:25px 30px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:25px;text-align:left;transition:transform .2s ease,box-shadow .2s ease}.promo-box:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.promo-box .fa-random{font-size:2.5rem;color:var(--primary-color);flex-shrink:0}.promo-text h2{margin:0 0 4px;font-weight:700;font-size:1.25rem;color:var(--text-color)}.promo-text p{margin:0;color:var(--text-color-muted);font-size:1rem;line-height:1.5}.promo-button{margin-left:auto;padding:12px 24px;background-color:#28a745;color:#fff;text-decoration:none;border:none;border-radius:12px;font-weight:700;font-size:1.2rem;white-space:nowrap;transition:all .2s ease}.promo-button:hover{background-color:#218838;transform:translateY(-3px);box-shadow:0 6px 20px rgba(40,167,69,.3)}.is-hidden{display:none!important}.ad-placeholder-tall{min-height:600px}.ad-placeholder-short{min-height:250px;margin-bottom:15px}.theme-icon-sun{display:none}.dark-theme .theme-icon-sun{display:inline-block}.dark-theme .theme-icon-moon{display:none}#main-header{background-color:#fff;padding:12px 20px;box-shadow:0 2px 5px rgba(0,0,0,.05);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1}#main-header .container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}#main-header .logo{font-size:1.6rem;font-weight:700;color:var(--text-color);text-decoration:none}#main-header .desktop-nav,#main-header .mobile-header-icons{display:none}@media (min-width:768px){#main-header .desktop-nav{display:flex}}#main-header .desktop-nav ul{list-style:none;display:flex;align-items:center;margin:0;padding:0;gap:25px}#main-header .desktop-nav a{color:var(--text-color-muted);font-weight:600;text-decoration:none;transition:color .2s ease}#main-header .desktop-nav a:hover{color:var(--primary-color)}.landing-footer-minimal{background-color:#343a40;color:#adb5bd;padding:20px 15px;text-align:center;border-top:3px solid var(--primary-color)}.landing-footer-minimal a{color:#adb5bd;text-decoration:none;margin:0 5px}.landing-footer-minimal a:hover{color:#fff;text-decoration:underline}@media (max-width:768px){.hero-section h1{font-size:2.2rem}.hero-section h1,.hero-section p{animation:none!important}.features-grid{grid-template-columns:1fr}.faq-section,.features-section,.hero-section{padding:20px 15px}.faq-section .language-list{column-count:1}.secondary-promo-section{margin-top:40px;margin-bottom:40px}.promo-box{flex-direction:column;gap:20px;padding:25px}.promo-box,.promo-box .promo-text{text-align:center}.promo-button{margin-left:0;width:100%;padding:14px}}