@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--sidebar-bg: #ffffff;--main-bg: #f9fafb;--text-main: #111827;--text-muted: #6b7280;--border-color: #e5e7eb;--accent-color: #0f172a;--card-bg: #ffffff;--input-bg: #ffffff;--msg-user-bg: #e2e8f0;--active-tab-bg: #f3f4f6}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Plus Jakarta Sans,"Noto Color Emoji",sans-serif;background-color:var(--main-bg);color:var(--text-main);height:100vh;overflow:hidden}#root{height:100%}.app-layout{display:flex;height:100vh;width:100%}.sidebar{width:260px;background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:2rem 1.25rem;flex-shrink:0;transition:width .3s cubic-bezier(.4,0,.2,1),padding .3s cubic-bezier(.4,0,.2,1);font-family:Plus Jakarta Sans,sans-serif}.sidebar,.sidebar *{font-family:Plus Jakarta Sans,sans-serif!important}.sidebar.collapsed{width:80px!important;min-width:80px!important;max-width:80px!important;padding:2rem .5rem!important;overflow:hidden!important}.sidebar.collapsed .logo-section{justify-content:center!important}.sidebar.collapsed .nav-item span{opacity:0!important;max-width:0!important;width:0!important}.sidebar.collapsed .nav-item{justify-content:center!important;padding:.8rem 0!important}.sidebar.collapsed .sidebar-history-section,.sidebar.collapsed .user-info{max-height:0;opacity:0;overflow:hidden;transition:max-height .25s ease,opacity .25s ease;padding-top:0;margin-top:0}.sidebar .sidebar-history-section,.sidebar .user-info{transition:max-height .25s ease,opacity .25s ease}.sidebar.collapsed .user-profile{justify-content:center;padding:.5rem 0}.sidebar.collapsed .nav-item{justify-content:center;position:relative;padding:.8rem 0}.sidebar .nav-item span{display:inline-block;max-width:180px;white-space:nowrap;overflow:hidden;opacity:1;transition:opacity .2s ease .15s,max-width .25s ease .15s}.sidebar.collapsed .nav-item span{opacity:0;max-width:0;transition:opacity .15s ease,max-width .2s ease}.sidebar:not(.collapsed) .nav-item span{opacity:1;max-width:180px;transition:opacity .2s ease .15s,max-width .25s ease .15s}.sidebar .nav-item,.sidebar .nav-item svg,.sidebar-history-item,.sidebar-history-item svg{color:var(--text-muted)!important}.sidebar .nav-item:hover,.sidebar .nav-item.active,.sidebar-history-item.active{color:var(--text-main)!important}.sidebar .nav-item svg,.sidebar-history-item svg,.action-icon svg{color:inherit!important;stroke:currentColor!important;fill:none!important}.sidebar-history-section{margin-top:-.25rem;padding:.9rem .85rem .65rem;border-top:1px solid var(--border-color);border-radius:18px;background:#f8fafcf0;max-height:300px;opacity:1;overflow:hidden;transition:max-height .25s ease,opacity .25s ease,padding-top .25s ease,margin-top .25s ease}.sidebar-history-list{display:flex;flex-direction:column;gap:.25rem;overflow-y:auto;max-height:40vh;padding-right:6px;min-height:4rem}.sidebar-history-item svg{width:18px;height:18px;stroke:currentColor!important;fill:none!important}.sidebar-history-item,.sidebar-history-item span{font-size:.78rem}.sidebar-history-item.pinned{background:#0f172a0f}.sidebar-history-item.pinned.active{background:#0f172a1f}.sidebar-history-item .sidebar-history-pin-icon{margin-left:.5rem;color:inherit;flex-shrink:0;width:18px;height:18px}.sidebar-history-item .sidebar-history-item-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.sidebar.collapsed .nav-item svg,.sidebar.collapsed .sidebar-history-item svg{opacity:1}.sidebar.collapsed .nav-item:hover:after{content:attr(title);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background-color:var(--text-main);color:#fff;padding:.4rem .75rem;border-radius:6px;font-size:.8rem;font-weight:600;white-space:nowrap;z-index:1000;pointer-events:none;opacity:1;box-shadow:0 4px 12px #00000026}.logo-section{display:flex;align-items:center;justify-content:center!important;gap:.85rem;margin-bottom:2.5rem;padding:0 .5rem;position:relative}.logo-image{display:block;margin:0 auto!important}.logo-icon{width:36px;height:36px;background:#a78bfa;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.3rem}.logo-image{margin:0 auto}.logo-section .action-icon{position:absolute;right:.5rem;top:50%;transform:translateY(-50%)}.logo-image{width:150px;height:40px;background-color:var(--accent-color);mask-image:url(/logo-04.png);mask-size:contain;mask-repeat:no-repeat;mask-position:left center;-webkit-mask-image:url(/logo-04.png);-webkit-mask-size:contain;-webkit-mask-repeat:no-repeat;-webkit-mask-position:left center}.nav-menu{display:flex;flex-direction:column;gap:.5rem;flex:1;overflow:hidden}.sidebar-history-list{display:flex;flex-direction:column;gap:.25rem;overflow-y:auto;max-height:50vh;padding-right:6px}.sidebar-history-list::-webkit-scrollbar{width:6px}.sidebar-history-list::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:10px}.sidebar-history-list::-webkit-scrollbar-track{background:#f3f4f6;border-radius:10px}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.45rem .85rem;border-radius:14px;color:var(--text-muted);font-size:.82rem;font-weight:700;cursor:pointer;transition:all .2s;border:1px solid transparent}.nav-menu{gap:.25rem}.nav-item svg{stroke:currentColor!important;color:inherit!important;min-width:20px;min-height:20px;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;padding:.45rem;border-radius:50%;background:#0f172a0f;box-sizing:content-box}.nav-item:hover{background-color:var(--active-tab-bg);color:var(--text-main)}.sidebar-new-chat-btn{display:inline-flex;align-items:center;gap:.65rem;padding:.9rem 1rem;border-radius:999px;border:none;cursor:pointer;background:#111827;color:#fff;font-weight:700;transition:all .2s}.sidebar-new-chat-btn:hover{background:#1f2937}.sidebar-new-chat-btn svg{stroke:#fff;color:var(--text-main)}.nav-item svg{width:20px;height:20px;opacity:.9;transition:opacity .2s ease,color .2s ease}.sidebar.collapsed .nav-item svg{opacity:1;color:var(--text-muted)}.nav-item.active svg{opacity:1;color:var(--accent-color)}.sidebar-history-item{justify-content:flex-start;gap:.75rem;width:100%;border-radius:12px;background:transparent;color:var(--text-muted);font-size:.82rem;padding:.55rem .85rem}.sidebar-history-item:hover,.sidebar-history-item.active{background-color:var(--active-tab-bg);color:var(--text-main)}.sidebar-history-placeholder{padding:.75rem .85rem;color:var(--text-muted);font-size:.85rem}.sidebar-footer{margin-top:auto;padding-top:1.5rem;border-top:1px solid var(--border-color);overflow:hidden;width:100%}.user-profile{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;cursor:pointer;overflow:hidden;width:100%;border-radius:12px;transition:all .2s;-webkit-user-select:none;user-select:none}.user-profile:hover{background-color:#f3f4f6}.user-profile:active{transform:scale(.98)}.user-info{flex:1;min-width:0;overflow:hidden;display:flex;flex-direction:column}.user-avatar-circle{width:42px;height:42px;min-width:42px;min-height:42px;aspect-ratio:1 / 1;border-radius:50%;object-fit:cover;background-color:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;overflow:hidden}.user-avatar-circle img{width:100%;height:100%;object-fit:cover;display:block}.popup-user-info{flex:1;overflow:hidden;display:flex;flex-direction:column}.popup-user-name{font-size:.95rem;font-weight:700;color:#111827;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.popup-user-plan{font-size:.8rem;color:var(--text-muted)}.user-info h4{font-size:.95rem;font-weight:700;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.user-info p{font-size:.8rem;color:var(--text-muted);font-weight:500}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.sidebar-section{margin-bottom:1.25rem}.sidebar-heading{font-size:.72rem;font-weight:700;letter-spacing:.15em;color:#6b7280;margin-bottom:.75rem}.sidebar-bottom{margin-top:1rem;padding-top:1rem;border-top:1px solid #f3f4f6}.footer-item{opacity:.8}.hero-top{display:flex;justify-content:space-between;align-items:flex-start;padding:3rem 2rem 1rem;max-width:1120px;width:100%;margin:0 auto}.hero-welcome{font-size:.95rem;text-transform:uppercase;letter-spacing:.18em;color:#6b7280;margin-bottom:.75rem;font-weight:700}.hero-top h1{max-width:780px;font-size:clamp(2rem,3vw,3.4rem);line-height:1.05;font-weight:800;color:#111827}.hero-card{background:#fff;border:1px solid #e5e7eb;border-radius:28px;box-shadow:0 24px 60px #0f172a14;margin:0 auto;max-width:1120px;padding:2rem}.hero-card-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.hero-card-tabs{display:flex;gap:.75rem}.hero-tab{background:#f9fafb;color:#374151;border:1px solid #e5e7eb;border-radius:999px;padding:.9rem 1.4rem;font-weight:700;cursor:pointer}.hero-tab.active{background:#111827;color:#fff;border-color:#111827}.hero-card-model{display:inline-flex;align-items:center;gap:.5rem;border-radius:999px;border:1px solid #e5e7eb;padding:.75rem 1rem;color:#111827;font-weight:700;background:#f8fafc}.hero-input{width:100%;min-height:180px;border-radius:24px;border:1px solid #e5e7eb;padding:1.5rem;font-size:1rem;line-height:1.6;color:#111827;resize:vertical;background:#f9fafb;margin-bottom:1.5rem;font-family:inherit}.hero-chip-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.hero-chip,.hero-style-chip,.quick-prompt-tag,.prompt-library-btn,.refresh-prompts{border:none;cursor:pointer;transition:all .2s ease}.hero-chip,.hero-style-chip,.quick-prompt-tag{background:#f3f4f6;color:#374151;border-radius:999px;padding:.9rem 1.2rem;font-weight:700}.hero-style-chip.selected{background:#111827;color:#fff}.hero-style-row{flex-wrap:wrap}.hero-card-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.prompt-library-btn{background:#111827;color:#fff;border-radius:999px;padding:.95rem 1.35rem;font-weight:700}.quick-prompts-panel{background:#fff;border:1px solid #e5e7eb;border-radius:28px;margin:2rem auto 3rem;max-width:1120px;padding:1.75rem 2rem}.quick-prompts-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.quick-prompts-header h2{font-size:1.05rem;font-weight:800;color:#111827}.refresh-prompts{background:#f9fafb;color:#111827;padding:.85rem 1.2rem;border-radius:999px;border:1px solid #e5e7eb;font-weight:700}.quick-prompts-list{display:flex;flex-wrap:wrap;gap:.75rem}.quick-prompt-tag{background:#f3f4f6;color:#111827;padding:.9rem 1.25rem;border-radius:999px;font-weight:700}.page-container{flex:1;display:flex;flex-direction:column;overflow-y:auto;padding:2rem;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.1) transparent}.page-header{margin-bottom:2rem}.page-header h2{font-size:1.5rem;font-weight:800;margin-bottom:.5rem}.page-header p{color:var(--text-muted);font-size:.95rem}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;text-align:left;width:100%;min-height:calc(100vh - 2rem);padding:3rem 2rem 2rem}.welcome-screen h1{font-size:2.5rem;font-weight:800;margin-bottom:1rem}.new-chat-screen{background:#f8fafc}.new-chat-hero{width:100%;max-width:880px;margin:0 auto;display:grid;gap:1.75rem;padding:2rem 1.5rem}.new-chat-copy{max-width:720px}.hero-subtitle{margin-top:1rem;color:var(--text-muted);font-size:1rem;line-height:1.8}.new-chat-panel{background:#fff;border:1px solid #e5e7eb;border-radius:38px;box-shadow:0 28px 55px #0f172a14,0 8px 32px #0f172a0f;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;min-height:0;max-height:none;position:relative;overflow:hidden}.new-chat-input-row{position:relative;display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-top:1rem}.mic-btn{margin-left:auto}.input-action-btn,.mic-btn,.input-pill,.model-pill,.pill-selected,.pill-toggle{border:1px solid #e5e7eb;border-radius:999px;background:#f8fafc;color:#111827;font-weight:700;cursor:pointer;padding:.75rem 1rem;display:inline-flex;align-items:center;justify-content:center;line-height:1}.input-action-btn,.mic-btn{height:3.25rem}.input-action-btn{width:3.25rem;background:#fff;color:#111827;border:1px solid #e5e7eb}.mic-btn{width:56px;background:linear-gradient(180deg,#676767,#2d2d2d);color:#fff;border:none;box-shadow:inset 0 1px #ffffff14,0 8px 18px #0000002e}.input-pill,.model-pill,.pill-selected,.pill-toggle{gap:.5rem}.pill-toggle{background:transparent;color:#1d4ed8;border:none;box-shadow:none}.pill-selected{background:#dbeafe;color:#1d4ed8;border-color:#dbeafe}.new-chat-search{width:100%;height:52px;border-radius:999px;border:none;padding:0 1rem;font-size:.98rem;line-height:52px;background:transparent;outline:none;margin:0 0 1.25rem;box-shadow:none;box-sizing:border-box}.new-chat-pill-row{display:flex;flex-direction:column;align-items:stretch;gap:.75rem;margin-top:1rem;padding:.75rem 0;border-top:1px solid #e5e7eb;max-height:170px;overflow-y:auto}.new-chat-pill{width:100%;border:1px solid #e5e7eb;border-radius:999px;background:#f3f4f6;color:#111827;padding:.85rem 1.15rem;font-weight:700;cursor:pointer;text-align:left}.new-chat-suggestions{display:grid;gap:.85rem}.new-chat-suggestion{display:flex;justify-content:space-between;align-items:center;width:100%;padding:1rem 1.25rem;border-radius:22px;background:#f8fafc;border:1px solid #e5e7eb;font-weight:600;color:#111827;cursor:pointer;transition:transform .2s ease,background .2s ease}.new-chat-suggestion:hover{transform:translateY(-1px);background:#eef2ff}.new-chat-suggestion svg{opacity:.6}.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;max-width:650px;width:100%}.action-card{background-color:var(--card-bg);border:1px solid var(--border-color);padding:1.25rem;border-radius:16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000000d}.action-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:0 10px 20px #0000000d}.card-left{display:flex;align-items:center;gap:1rem;font-weight:700;font-size:1rem}.card-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.chat-messages{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:3.5rem}.message-wrapper{display:flex;width:100%}.message-wrapper.user{justify-content:flex-end;padding-right:10rem}.message-wrapper.ai{justify-content:flex-start;padding-left:10rem;padding-right:10rem}.message-content{max-width:80%;display:flex;flex-direction:column}.message-wrapper.user .message-content{background-color:var(--msg-user-bg);padding:.8rem 1.2rem;border-radius:1.5rem;color:var(--text-main);font-size:.95rem;font-weight:500;box-shadow:0 4px 12px #00000008}.message-wrapper.ai .message-content{background:#0f172a0a;padding:1.4rem 1.5rem;color:var(--text-main);font-size:1.03rem;line-height:1.75;font-weight:400;width:100%;max-width:100%;border-radius:1.75rem;border:1px solid rgba(148,163,184,.18);box-shadow:0 18px 60px #0f172a0f;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.message-wrapper.ai .message-content:hover{transform:translateY(-1px);border-color:#6366f159}.message-actions{display:flex;gap:.5rem;margin-top:1rem;opacity:0;transition:opacity .3s ease}.message-wrapper.ai:hover .message-actions{opacity:1}.action-icon{background:transparent;border:none;color:var(--text-muted);padding:.4rem;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.action-icon:hover{background:#f1f5f9;color:var(--accent-color)}.action-icon.active{color:var(--accent-color)}.action-icon.speaking{color:#ef4444;animation:pulse 1.5s infinite}.generated-image-container{margin:1rem 0;max-width:512px;display:flex;flex-direction:column;gap:.75rem}.image-loader-placeholder{position:relative;width:100%;min-height:300px;background:#f3f4f6;border-radius:20px;overflow:hidden;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-color);box-shadow:0 10px 30px #0000000d}.generated-image{width:100%;height:auto;display:block;opacity:0;transition:opacity .5s ease}.image-loader-placeholder.loaded .generated-image{opacity:1}.image-loader-placeholder.loaded .image-loading-spinner{display:none}.image-loading-spinner{position:absolute;display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--text-muted);font-size:.9rem;font-weight:500}.spinner{width:40px;height:40px;border:4px solid rgba(99,102,241,.1);border-top:4px solid var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.image-error{padding:2rem;color:#ef4444;text-align:center;font-weight:500}.download-image-btn{align-self:flex-start;display:flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:#111827;color:#fff;border-radius:12px;text-decoration:none;font-size:.85rem;font-weight:700;box-shadow:0 4px 12px #0000001a;transition:all .2s}.download-image-btn:hover{background:var(--accent-color);transform:translateY(-2px)}.message-content .text p{margin-bottom:1rem;white-space:pre-line}.message-content .text p:last-child{margin-bottom:0}.message-content .text ul,.message-content .text ol{margin-bottom:1rem;padding-left:1.5rem}.message-content .text li{margin-bottom:.5rem;white-space:pre-line}.message-content .text hr{margin:2rem 0;border:none;border-top:1px solid var(--border-color)}.code-container{margin:1.5rem 0;border-radius:12px;overflow:hidden;border:1px solid var(--border-color);background:#fdfdfd;box-shadow:0 4px 20px #00000008}.code-header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.25rem;background:#f8fafc;border-bottom:1px solid var(--border-color);font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.code-header button{background:transparent;border:none;color:var(--text-muted);display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.75rem;font-weight:600;transition:color .2s}.code-header button:hover{color:var(--accent-color)}.code-block{margin:0!important;border-radius:0!important;border:none!important;font-size:.9rem!important;background:transparent!important}.cursor{display:inline-block;color:var(--accent-color);font-weight:700;margin-left:4px;animation:blink 1s infinite}@keyframes blink{0%{opacity:1}50%{opacity:0}to{opacity:1}}.avatar{display:none}.text{flex:1}.typing-indicator{display:flex;gap:4px;padding:10px 0}.dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:bounce 1.4s infinite ease-in-out}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.bottom-container{padding:2rem 2rem 2.5rem}.input-box-wrapper{max-width:850px;margin:0 auto;background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:20px;box-shadow:0 10px 30px #0000000a}.input-main{display:flex;align-items:center;padding:12px 16px 8px;gap:12px;min-height:52px;position:relative}.attach-btn-inner{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;transition:color .2s;width:24px;height:24px;flex-shrink:0}.attach-btn-inner:hover{color:var(--text-main)}.input-main textarea{flex:1;border:none;background:transparent;color:var(--text-main);font-family:inherit;font-size:1rem;font-weight:500;padding:8px 52px 0 0;margin:0;resize:none;min-height:24px;max-height:72px;overflow-y:auto;outline:none;line-height:1.4;display:flex;align-items:center}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #ef4444b3}70%{transform:scale(1);box-shadow:0 0 0 10px #ef444400}to{transform:scale(.95);box-shadow:0 0 #ef444400}}.send-circle-btn.stop-btn{background-color:#ef4444}.send-circle-btn.stop-btn:hover{background-color:#dc2626}.send-circle-btn{background:linear-gradient(180deg,#454545,#2d2d2d);color:#fff;border:none;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;position:absolute;right:18px;top:50%;transform:translateY(-50%);box-shadow:inset 0 1px #ffffff14,0 18px 28px #00000038;overflow:hidden;outline:none;-webkit-appearance:none}.send-circle-btn:hover:not(:disabled){transform:translateY(-50%) scale(1.04);box-shadow:inset 0 1px #ffffff14,0 22px 34px #00000040}.send-circle-btn svg{width:20px;height:20px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.auth-page{display:flex;align-items:center;justify-content:center;height:100vh;width:100%;background-color:var(--main-bg)}.auth-card{background-color:var(--card-bg);padding:3rem;border-radius:24px;box-shadow:0 20px 50px #00000014;width:100%;max-width:450px;border:1px solid var(--border-color);text-align:center}.auth-header{margin-bottom:2.5rem}.auth-header .logo-icon{margin:0 auto 1.5rem}.auth-header h1{font-size:1.75rem;font-weight:800;margin-bottom:.5rem}.auth-header p{color:var(--text-muted);font-weight:500}.auth-error{background-color:#fef2f2;color:#dc2626;padding:.75rem;border-radius:10px;margin-bottom:1.5rem;font-size:.85rem;font-weight:600;border:1px solid #fee2e2}.auth-form{text-align:left}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-size:.85rem;font-weight:700;margin-bottom:.5rem;color:var(--text-main)}.form-group input{width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid var(--border-color);background-color:#f8fafc;font-family:inherit;font-size:.95rem;font-weight:500;outline:none;transition:all .2s}.form-group input:focus{border-color:var(--accent-color);background-color:#fff;box-shadow:0 0 0 4px #6366f11a}.auth-btn{width:100%;padding:1rem;background-color:#111827;color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;margin-top:1rem;transition:all .2s}.auth-btn:hover{background-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 10px 20px #6366f133}.auth-footer{margin-top:2rem;font-size:.9rem;color:var(--text-muted);font-weight:500}.auth-footer span{color:var(--accent-color);font-weight:700;cursor:pointer;margin-left:.5rem}.auth-footer span:hover{text-decoration:underline}.logout-btn{background:transparent;border:1px solid #fee2e2;color:#ef4444;padding:.4rem .8rem;border-radius:8px;font-size:.75rem;font-weight:700;cursor:pointer;margin-top:.5rem;transition:all .2s}.logout-btn:hover{background:#fef2f2}.sidebar-footer{position:relative}.user-popup-menu{position:absolute;bottom:calc(100% + 10px);left:0;right:0;background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 -10px 40px #0000001f;padding:.5rem;z-index:100;animation:popupSlideUp .2s cubic-bezier(.4,0,.2,1)}@keyframes popupSlideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.popup-user-header{display:flex;align-items:center;gap:.6rem;padding:.5rem;border-radius:8px;cursor:pointer}.popup-user-info{flex:1;display:flex;flex-direction:column}.popup-user-name{font-size:.8rem;font-weight:700;color:#111827}.popup-user-plan{font-size:.65rem;color:#6b7280;font-weight:500}.popup-divider{height:1px;background:#f3f4f6;margin:.4rem 0}.popup-menu-item{display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem;border-radius:8px;font-size:.8rem;font-weight:600;color:#374151;cursor:pointer;transition:background .15s}.popup-menu-item:hover{background:#f9fafb}.popup-menu-item.popup-active{background:#f3f4f6;color:#111827}.popup-menu-item.popup-logout{color:#ef4444}.popup-menu-item.popup-logout:hover{background:#fef2f2}.chat-context-menu{position:fixed;z-index:1200;min-width:200px;max-width:240px;width:auto;background:#fff;border:1px solid #e5e7eb;border-radius:14px;box-shadow:0 12px 30px #0f172a2e;padding:.3rem 0}.context-menu-item{width:100%;background:transparent;border:none;display:flex;align-items:center;gap:.75rem;text-align:left;padding:.75rem 1rem;font-size:.85rem;color:#374151;cursor:pointer;transition:background .15s ease;white-space:nowrap}.context-menu-item:hover{background:#f9fafb}.context-menu-item span{display:inline-block}.context-menu-icon{width:1.3rem;display:inline-flex;justify-content:center}.context-menu-delete{color:#dc2626}.history-card:hover{border-color:var(--accent-color)!important;transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.upgrade-btn{margin-left:auto;background:#111827;color:#fff;border:none;padding:.3rem .6rem;border-radius:6px;font-size:.65rem;font-weight:700;cursor:pointer;font-family:inherit;transition:background .2s;flex-shrink:0}@media (max-width: 1024px){body{overflow-x:hidden}.app-layout{flex-direction:column;height:auto}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-color);padding:1rem 1rem .75rem}.sidebar.collapsed{width:100%!important;min-width:auto!important;max-width:none!important;padding:1rem 1rem .75rem!important}.sidebar .nav-item{justify-content:flex-start!important;padding:.9rem 1rem}.sidebar .nav-item span{opacity:1!important;max-width:none!important;width:auto!important}.sidebar-history-section,.sidebar .user-info,.sidebar.collapsed .sidebar-history-section,.sidebar.collapsed .user-info{max-height:none;opacity:1;overflow:visible;padding-top:0;margin-top:0}.main-content{overflow:visible}.hero-top{padding:2rem 1rem 1rem;flex-direction:column;align-items:flex-start;gap:1rem}.new-chat-hero{padding:1.5rem 1rem}.new-chat-panel{padding:1.25rem}.welcome-screen{padding:2rem 1rem 1rem;min-height:auto}.chat-messages{padding:1.5rem;gap:1.5rem}.message-wrapper.user{padding-right:1rem}.message-wrapper.ai{padding-left:1rem;padding-right:1rem}.message-content{max-width:100%}.bottom-container{padding:1rem 1rem 1.5rem}.input-box-wrapper{max-width:100%;margin:0;border-radius:18px}.input-main{padding:10px 14px;gap:10px;min-height:48px}.input-main textarea{padding:8px 52px 0 0}}@media (max-width: 720px){.sidebar{padding:1rem .75rem .75rem}.sidebar .nav-item{padding:.8rem .85rem;gap:.75rem}.sidebar .sidebar-history-section,.sidebar .user-info{padding:.75rem .85rem}.hero-top{padding:1.5rem .85rem .75rem}.new-chat-hero{padding:1rem .85rem}.new-chat-panel{border-radius:28px}.bottom-container{padding:.85rem .85rem 1.25rem}.input-box-wrapper{border-radius:16px}.input-main{padding:10px 12px;gap:8px}.input-main textarea{font-size:.96rem}}.header-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:10px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}.new-chat-btn{background:#111827;color:#fff;border:1px solid #111827}.new-chat-btn:hover{background:var(--accent-color);border-color:var(--accent-color);transform:translateY(-1px)}.temp-chat-btn{background:#fff;color:#374151;border:1px solid var(--border-color)}.temp-chat-btn:hover{background:#f9fafb;border-color:#d1d5db;transform:translateY(-1px)}.google-btn{width:100%;padding:.85rem 1rem;background:#fff;color:#374151;border:1.5px solid #e5e7eb;border-radius:12px;font-size:.95rem;font-weight:700;font-family:inherit;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.75rem;transition:all .2s;box-shadow:0 1px 4px #0000000d}.google-btn:hover:not(:disabled){background:#f9fafb;border-color:#d1d5db;box-shadow:0 4px 12px #00000014;transform:translateY(-1px)}.google-btn:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1.25rem 0;color:#9ca3af;font-size:.8rem;font-weight:600}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#e5e7eb}.scroll-down-btn{position:absolute;bottom:150px;left:50%;transform:translate(-50%);background:#fff;border:1px solid var(--border-color);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-main);cursor:pointer;z-index:50;transition:all .2s;box-shadow:0 4px 12px #00000014}.scroll-down-btn.auto-active{border-color:var(--accent-color);background:#f5f3ff}.scroll-down-btn:hover{background:#f9fafb;transform:translate(-50%) translateY(-2px)}