.chat-history-container{width:100%;flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding-bottom:10px;transition:flex .4s ease-out;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}.chat-history-container::-webkit-scrollbar{width:6px}.chat-history-container::-webkit-scrollbar-track{background:transparent}.chat-history-container::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:10px}.chat-content-column{width:100%;max-width:800px;margin:0 auto;padding:1rem;display:flex;flex-direction:column;gap:1rem}.chat-history-empty-state{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;opacity:1;min-height:300px;transition:opacity .3s ease-out}.homepage-title{font-size:4rem;font-weight:800;margin-bottom:1rem;color:var(--color-text-primary);letter-spacing:-.02em;text-align:center}.homepage-title .gold-accent{color:var(--color-accent-gold);text-shadow:0 0 20px rgba(255,215,0,.4)}@media (min-width: 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.modal-close-btn{left:auto;right:20px}.modal-close-btn:hover{background-color:var(--color-bg-tertiary);color:var(--color-text-primary)}.modal-title{font-size:1.5rem;font-weight:700;color:var(--color-text-primary);margin-bottom:1rem}.modal-body{color:var(--color-text-secondary);margin-bottom:2rem;line-height:1.6;font-size:.95rem}.auth-buttons{display:flex;flex-direction:column;gap:12px}.btn-primary,.btn-google,.btn-telegram,.btn-outline{width:100%;padding:12px;border-radius:12px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;display:flex;align-items:center;justify-content:center;gap:10px;transition:transform .1s,filter .2s}.btn-primary:active,.btn-google:active,.btn-telegram:active,.btn-outline:active{transform:scale(.98)}.btn-primary{background:var(--color-accent-turquoise);color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-google{background-color:#fff;color:#333;border:1px solid #ddd}.btn-google:hover{background-color:#f8f8f8}.btn-google 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svg{width:28px;height:28px;stroke-width:2}.header-icon-button:hover{background-color:var(--color-bg-tertiary);color:var(--color-accent-turquoise-light)}.explore-icon{padding:.5rem;border-radius:50%;background:transparent}.explore-icon img{flex-shrink:0;transition:transform .3s ease;animation:explore-icon-glow 4s infinite ease-in-out}.explore-icon.rotated img{transform:rotate(180deg)}.profile-avatar-button{width:48px;height:48px;padding:0;border-radius:50%;overflow:hidden;border:2px solid var(--color-accent-gold);box-shadow:0 0 8px #ffd7004d;transition:transform 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#0000004d}.left-sidebar.open{transform:translate(0)!important}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:40;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.sidebar-overlay.visible{opacity:1;visibility:visible}.sidebar-panel{display:flex;flex-direction:column;height:100%;padding:1rem}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.8rem;border-bottom:1px solid var(--color-border)}.header-logo-text{font-size:1.5rem;font-weight:800;color:var(--color-text-primary);-webkit-user-select:none;-moz-user-select:none;user-select:none}.header-logo-text 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#00af9166}.new-chat-btn-modern:active{transform:translateY(0)}.new-chat-btn-modern.guest-mode{background:var(--color-bg-tertiary);color:var(--color-text-secondary);box-shadow:none;border:1px solid var(--color-border)}.new-chat-btn-modern.guest-mode:hover{background:var(--color-border);color:var(--color-text-primary)}.sessions-list-container{flex-grow:1;overflow-y:auto;padding-right:4px}.custom-scrollbar::-webkit-scrollbar{width:5px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-secondary)}.group-title{font-size:.75rem;font-weight:600;color:var(--color-text-secondary);margin:1rem 0 .5rem .5rem;text-transform:uppercase;opacity:.7}.session-item{display:flex;align-items:center;justify-content:space-between;padding:10px 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.delete-session-btn{opacity:1}}.delete-session-btn:hover{background-color:#ef44441a}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60%;color:var(--color-text-secondary);text-align:center;padding:1rem;opacity:.6}.empty-icon{margin-bottom:10px;opacity:.5;color:var(--color-text-primary)}.skeleton-loader{display:flex;flex-direction:column;gap:10px;padding-top:10px}.skeleton-item{height:36px;background-color:var(--color-bg-tertiary);border-radius:8px;position:relative;overflow:hidden;display:flex;align-items:center;padding:0 10px}.skeleton-item:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background-image:linear-gradient(90deg,rgba(255,255,255,0) 0,rgba(255,255,255,.05) 20%,rgba(255,255,255,.1) 60%,rgba(255,255,255,0));animation:shimmer 1.5s infinite}.skeleton-icon{width:16px;height:16px;background-color:#ffffff1a;border-radius:4px;margin-right:10px}html[dir=rtl] .skeleton-icon{margin-right:0;margin-left:10px}.skeleton-text{height:10px;width:70%;background-color:#ffffff1a;border-radius:4px}@keyframes shimmer{to{transform:translate(100%)}}.sidebar-footer{margin-top:auto;padding-top:1rem;border-top:1px solid var(--color-border)}.guest-warning{font-size:.75rem;color:var(--color-text-secondary);margin-bottom:.75rem;text-align:center}.login-btn-premium{position:relative;width:100%;padding:14px;border:none;border-radius:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:12px;background:linear-gradient(135deg,#059669 0%,#10b981 100%);color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:.5px;box-shadow:0 8px 20px #10b9814d;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;z-index:1}.login-btn-premium:hover{transform:translateY(-3px);box-shadow:0 12px 30px #10b98180;background:linear-gradient(135deg,#047857 0%,#059669 100%)}.login-btn-premium:active{transform:translateY(-1px) scale(.98);box-shadow:0 5px 15px #10b98166}.login-btn-premium:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:.5s;z-index:2}.login-btn-premium:hover:after{left:100%}.login-btn-premium svg{width:22px;height:22px;transition:transform .3s ease}.login-btn-premium:hover svg{transform:translate(-3px)}html[dir=ltr] .login-btn-premium:hover svg{transform:translate(3px)}.posts-sidebar{position:fixed;z-index:30;top:0;height:100vh;right:-300px;width:300px;transition:right var(--transition-speed-normal)}.sidebar-panel{width:100%;height:100%;background-color:var(--color-bg-secondary);border-left:2px solid var(--color-border);box-shadow:-10px 0 30px var(--color-shadow);display:flex;flex-direction:column}.sidebar-tab{position:absolute;top:50%;right:100%;transform:translateY(-50%);width:30px;height:100px;background-color:var(--color-accent-turquoise-light);border:none;border-radius:12px 0 0 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735px){.profile-header{flex-wrap:wrap;margin-bottom:24px}.profile-avatar-section{margin-right:20px;margin-bottom:10px;max-width:80px}.profile-avatar-wrapper{width:77px;height:77px}.profile-info-section{min-width:0}.profile-title-row{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:10px}.profile-username{font-size:22px}.profile-stats{border-top:1px solid var(--color-border);padding:12px 0;display:flex;justify-content:space-around;width:100%;order:4;margin:0}.profile-stats li{margin:0;display:flex;flex-direction:column;align-items:center;font-size:14px}.profile-bio-section{margin-bottom:20px;padding-left:0}.profile-page-container{padding:0}.profile-header{padding:14px 16px 0}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}:root{--color-bg-primary: #1a1a1a;--color-bg-secondary: #1e1e1e;--color-bg-tertiary: #252526;--color-bg-message-received: #3a3a3c;--color-text-primary: #eaeaea;--color-text-secondary: 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