@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700;900&display=swap";:root{--manga-ink: #0d0d0d;--manga-paper: #fdfdfb;--manga-bg: #eeeeee;--c-text: #0d0d0d;--c-text-muted: #6b7280;--c-error: #dc2626;--border-thin: 2px solid var(--manga-ink);--border-thick: 3px solid var(--manga-ink);--shadow-solid: 3px 3px 0 var(--manga-ink);--shadow-heavy: 6px 6px 0 var(--manga-ink);--font: "Noto Sans SC", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:var(--font);background:var(--manga-bg);color:var(--c-text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overflow:hidden}button,input,textarea{font:inherit}#app{height:100%}.shell{height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:420px;background:var(--manga-paper);border:var(--border-thick);box-shadow:var(--shadow-heavy);position:relative;overflow:hidden}.login-card:before{content:"";display:block;height:6px;background:var(--manga-ink)}.login-form{padding:36px 32px 32px}.brand{text-align:center;margin-bottom:32px}.brand-icon{width:52px;height:52px;background:var(--manga-ink);border:var(--border-thin);box-shadow:var(--shadow-solid);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;transform:rotate(-3deg)}.brand-icon span{color:var(--manga-paper);font-weight:900;font-size:22px;font-style:italic}.brand-name{font-size:22px;font-weight:900;text-transform:uppercase;letter-spacing:2px}.brand-desc{font-size:13px;color:var(--c-text-muted);margin-top:6px;font-weight:400}.field{margin-bottom:20px}.field label{display:block;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}.field input{width:100%;height:48px;padding:0 14px;font-size:15px;font-weight:700;border:var(--border-thick);background:var(--manga-paper);color:var(--c-text);outline:none;transition:box-shadow .1s,transform .1s}.field input:focus{box-shadow:var(--shadow-solid);transform:translate(-1px,-1px)}.field input::placeholder{color:#adb5bd;font-weight:400}.field-error input{border-color:var(--c-error)}.error-msg{font-size:12px;font-weight:700;color:var(--c-error);margin-top:6px}.login-form button{width:100%;height:48px;background:var(--manga-ink);color:var(--manga-paper);border:var(--border-thin);font-size:14px;font-weight:900;text-transform:uppercase;letter-spacing:2px;cursor:pointer;transform:skew(-4deg);box-shadow:var(--shadow-solid);transition:transform .1s,box-shadow .1s;margin-top:8px;padding:0}.login-form button>span{display:inline-block;transform:skew(4deg)}.login-form button:hover:not(:disabled){transform:skew(-4deg) translate(-2px,-2px);box-shadow:5px 5px 0 var(--manga-ink)}.login-form button:active:not(:disabled){transform:skew(-4deg) translate(2px,2px);box-shadow:1px 1px 0 var(--manga-ink)}.login-form button:disabled{cursor:not-allowed;opacity:.5}.footer-note{text-align:center;font-size:11px;color:var(--c-text-muted);margin-top:24px;font-weight:400;border-top:var(--border-thin);padding-top:16px}.chat-panel{width:100%;height:100%;display:flex;flex-direction:column;background:var(--manga-paper);border-left:var(--border-thin);border-right:var(--border-thin)}.shell--chat{padding:0;align-items:stretch;position:relative}.sidebar-backdrop{display:none}.sidebar-backdrop.visible{display:block;position:fixed;inset:0;background:#0006;z-index:40}.menu-btn{width:38px;height:38px;border:var(--border-thin);background:var(--manga-paper);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:box-shadow .1s,transform .1s;padding:0}.menu-btn:hover{box-shadow:var(--shadow-solid);transform:translate(-1px,-1px)}.menu-icon,.menu-icon:before,.menu-icon:after{display:block;width:18px;height:2px;background:var(--manga-ink);border-radius:1px;transition:transform .2s}.menu-icon{position:relative}.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}.topbar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:var(--border-thick);flex-shrink:0;background:var(--manga-paper)}.header-avatar{width:38px;height:38px;background:var(--manga-ink);border:var(--border-thin);display:flex;align-items:center;justify-content:center;color:var(--manga-paper);font-weight:900;font-size:16px;font-style:italic}.header-info{flex:1}.header-name{font-size:14px;font-weight:900;text-transform:uppercase;letter-spacing:1px}.header-status{font-size:11px;color:var(--c-text-muted);font-weight:400}.header-actions{display:flex;gap:6px}.header-btn{width:36px;height:36px;border:var(--border-thin);background:var(--manga-paper);cursor:pointer;font-size:16px;font-weight:900;color:var(--manga-ink);display:flex;align-items:center;justify-content:center;transition:box-shadow .1s,transform .1s}.header-btn:hover{box-shadow:var(--shadow-solid);transform:translate(-1px,-1px)}.messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:18px;scrollbar-width:thin;scrollbar-color:var(--manga-ink) var(--manga-paper)}.messages::-webkit-scrollbar{width:10px}.messages::-webkit-scrollbar-track{background:var(--manga-paper);border-left:var(--border-thin)}.messages::-webkit-scrollbar-thumb{background:var(--manga-ink);border:3px solid var(--manga-paper)}.empty-state{margin:auto;max-width:420px;text-align:center}.empty-state h2{margin:0 0 8px;font-size:24px;font-weight:900}.empty-state p{color:var(--c-text-muted);font-size:14px;line-height:1.6}.msg{display:flex;gap:10px;max-width:78%}.msg.user{align-self:flex-end;flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;flex-shrink:0;border:var(--border-thin);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;font-style:italic}.msg.assistant .msg-avatar{background:var(--manga-ink);color:var(--manga-paper)}.msg.user .msg-avatar{background:var(--manga-paper);color:var(--manga-ink)}.msg-bubble{padding:12px 16px;font-size:14px;line-height:1.6;word-break:break-word}.msg.assistant .msg-bubble{background:var(--manga-paper);color:var(--c-text);border:var(--border-thick);border-top-left-radius:0;box-shadow:var(--shadow-solid)}.msg.user .msg-bubble{background:var(--manga-ink);color:var(--manga-paper);border:var(--border-thin);border-top-right-radius:0}.msg-time{font-size:10px;color:var(--c-text-muted);margin-top:4px;padding:0 4px;font-weight:400}.msg.user .msg-time{text-align:right}.streaming-dots{display:inline-flex;gap:5px;padding:4px 0}.streaming-dots span{width:7px;height:7px;border-radius:50%;background:var(--manga-ink);border:1px solid var(--manga-ink);animation:blink 1.2s infinite}.msg.user .streaming-dots span{background:var(--manga-paper);border-color:var(--manga-paper)}.streaming-dots span:nth-child(2){animation-delay:.2s}.streaming-dots span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}.message-content :first-child{margin-top:0}.message-content :last-child{margin-bottom:0}.message-content pre{background:var(--manga-ink);color:var(--manga-paper);padding:12px 14px;margin:8px 0 4px;font-family:Courier New,monospace;font-size:13px;line-height:1.5;overflow-x:auto;border:var(--border-thin)}.message-content code{background:var(--manga-bg);padding:2px 6px;font-family:Courier New,monospace;font-size:13px;border:1px solid #ddd}.msg.user .message-content code{background:#ffffff26;border-color:#fff3}.input-area{padding:12px 20px 16px;border-top:var(--border-thick);flex-shrink:0;background:var(--manga-paper)}.input-row{display:flex;align-items:flex-end;gap:0;border:var(--border-thick);background:var(--manga-paper);padding:4px 4px 4px 16px}.input-row textarea{flex:1;border:none;background:transparent;resize:none;font-size:14px;line-height:1.5;font-weight:400;color:var(--c-text);outline:none;min-height:26px;max-height:120px;padding:8px 0}.input-row textarea::placeholder{color:#adb5bd}.input-row button{width:42px;height:42px;border:var(--border-thin);background:var(--manga-ink);color:var(--manga-paper);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transform:skew(-4deg);box-shadow:var(--shadow-solid);transition:transform .1s,box-shadow .1s;padding:0;margin-left:8px}.input-row button>span{display:inline-block;transform:skew(4deg);font-size:18px;font-weight:900}.input-row button:hover:not(:disabled){transform:skew(-4deg) translate(-2px,-2px);box-shadow:5px 5px 0 var(--manga-ink)}.input-row button:active:not(:disabled){transform:skew(-4deg) translate(2px,2px);box-shadow:1px 1px 0 var(--manga-ink)}.input-row button:disabled{cursor:not-allowed;opacity:.5}.input-hint{font-size:10px;color:var(--c-text-muted);margin-top:8px;text-align:center;font-weight:400}.sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;z-index:50;display:flex;flex-direction:column;background:var(--manga-ink);color:var(--manga-paper);border-right:var(--border-thin);transform:translate(-100%);transition:transform .25s ease}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.15)}.sidebar-brand{font-size:16px;font-weight:900;text-transform:uppercase;letter-spacing:2px}.new-chat-btn{width:32px;height:32px;border:2px solid var(--manga-paper);background:transparent;color:var(--manga-paper);font-size:20px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .1s}.new-chat-btn:hover{background:#ffffff1a}.conv-list{flex:1;overflow-y:auto;padding:8px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}.conv-list::-webkit-scrollbar{width:6px}.conv-list::-webkit-scrollbar-thumb{background:#fff3}.conv-loading,.conv-empty{text-align:center;font-size:12px;color:#fff6;padding:24px 8px}.conv-item{width:100%;display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:none;background:transparent;color:#ffffffb3;cursor:pointer;text-align:left;transition:background .1s;margin-bottom:2px}.conv-item:hover{background:#ffffff14}.conv-item.active{background:#ffffff1f;color:var(--manga-paper)}.conv-title{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-meta{font-size:10px;color:#ffffff59}.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.15)}.sidebar-btn{width:100%;padding:8px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff9;font-size:12px;font-weight:700;cursor:pointer;transition:background .1s}.sidebar-btn:hover{background:#ffffff14;color:var(--manga-paper)}@media(max-width:767px){.shell{padding:0;align-items:stretch}.sidebar{width:85vw;max-width:320px}.login-card{max-width:100%;border-width:0;border-bottom:var(--border-thick);border-top:var(--border-thick);box-shadow:none;border-radius:0;min-height:100dvh;display:flex;flex-direction:column}.login-form{flex:1;display:flex;flex-direction:column;justify-content:center;padding:32px 20px}.brand-icon{width:44px;height:44px}.brand-name{font-size:20px}.field input{font-size:16px}.footer-note{margin-top:auto;padding-top:16px;padding-bottom:env(safe-area-inset-bottom,0px)}.chat-panel{max-width:100%;border-left:none;border-right:none}.topbar{padding:12px 16px;border-bottom-width:2px}.messages{padding:16px;gap:14px}.msg{max-width:88%}.msg-bubble{font-size:15px;padding:10px 14px}.input-area{padding:8px 12px 12px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));border-top-width:2px}.input-row textarea{font-size:16px}.input-row button{width:38px;height:38px}.input-hint{display:none}}@media(min-width:768px)and (max-width:1023px){.chat-panel{max-width:100%}.msg{max-width:82%}}