:root{--bg:#05070d;--bg-elev:#0a0e18;--panel:rgba(14,19,31,0.72);--panel-solid:#0e131f;--panel-2:rgba(22,29,45,0.66);--border:rgba(88,120,170,0.16);--border-strong:rgba(94,234,212,0.34);--text:#e6edf7;--text-dim:#8796b0;--text-faint:#5b6980;--accent:#3b9eff;--accent-2:#6384ff;--accent-3:#4f7cff;--success:#38e8a0;--danger:#ff6b8a;--warn:#ffb86b;--glow-cyan:rgba(59,158,255,0.35);--glow-violet:rgba(99,132,255,0.32);--radius:14px;--radius-sm:9px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--font-mono:"JetBrains Mono","SF Mono","Fira Code",Menlo,Consolas,"Liberation Mono",monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;color:var(--text);font-family:var(--font-sans);height:100%;background-color:var(--bg);background-image:radial-gradient(900px 500px at 12% -10%,rgba(59,158,255,.12),transparent 60%),radial-gradient(800px 520px at 88% 0,rgba(99,132,255,.12),transparent 62%),radial-gradient(900px 700px at 50% 120%,rgba(79,124,255,.1),transparent 65%);background-attachment:fixed;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(120,160,210,.045) 1px,transparent 0),linear-gradient(90deg,rgba(120,160,210,.045) 1px,transparent 0);background-size:44px 44px;mask-image:radial-gradient(circle at 50% 30%,#000 0,transparent 78%);-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0,transparent 78%)}a{color:var(--accent);text-decoration:none}::selection{background:rgba(59,158,255,.28);color:#fff}*{scrollbar-width:thin;scrollbar-color:rgba(94,126,168,.5) transparent}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(59,158,255,.35),rgba(99,132,255,.35));border-radius:99px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,rgba(59,158,255,.6),rgba(99,132,255,.6));background-clip:padding-box}.app{position:relative;z-index:1;display:flex;flex-direction:column;padding-bottom:var(--kbd,env(keyboard-inset-height,0));box-sizing:border-box;max-width:1440px;margin:0 auto;padding-left:20px;padding-right:20px}.app,body.kbd-open .app{height:100vh;height:var(--vvh,100vh)}.app-header{position:relative;display:flex;align-items:center;gap:10px;padding:16px 0;border-bottom:1px solid var(--border);flex-wrap:wrap}.app-header:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--glow-cyan),var(--glow-violet),transparent);opacity:.7}.app-title{font-family:var(--font-mono);font-size:17px;font-weight:700;letter-spacing:.06em;display:flex;align-items:center;gap:10px;text-transform:uppercase}.app-title:before{content:"";width:10px;height:10px;border-radius:2px;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 12px var(--glow-cyan),0 0 22px var(--glow-violet);animation:pulse-dot 2.4s ease-in-out infinite}.app-title .badge{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--success);background:rgba(56,232,160,.08);border:1px solid rgba(56,232,160,.35);border-radius:999px;padding:3px 10px;box-shadow:inset 0 0 12px rgba(56,232,160,.12)}.spacer{flex:1 1}.model-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;font-family:var(--font-mono);background-color:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 30px 8px 12px;font-size:12.5px;letter-spacing:.02em;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);background-position:calc(100% - 16px) 52%,calc(100% - 11px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;transition:border-color .18s,box-shadow .18s}.model-select:hover{border-color:rgba(59,158,255,.45)}.model-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,158,255,.12)}.model-select option{background:var(--panel-solid);color:var(--text)}.ghost-btn{font-family:var(--font-mono);background:rgba(255,255,255,.02);border:1px solid var(--border);color:var(--text-dim);border-radius:var(--radius-sm);padding:0 14px;font-size:12.5px;letter-spacing:.04em;cursor:pointer;height:40px;transition:color .18s,border-color .18s,background .18s,box-shadow .18s}.ghost-btn:hover{border-color:rgba(59,158,255,.5);color:var(--accent);background:rgba(59,158,255,.06);box-shadow:0 0 18px rgba(59,158,255,.1)}.ghost-btn.active{border-color:var(--border-strong);color:var(--accent);background:rgba(59,158,255,.1);box-shadow:inset 0 0 16px rgba(59,158,255,.1)}.ghost-btn.active:hover{border-color:var(--accent);color:var(--accent)}.ghost-btn:disabled{opacity:.4;cursor:not-allowed}.app-body{gap:18px}.app-body,.chat-main{display:flex;flex:1 1;min-height:0}.chat-main{min-width:0;flex-direction:column}.desktop-panels{display:flex;gap:18px;flex-shrink:0}.message-list{flex:1 1;overflow-y:auto;padding:24px 4px;display:flex;flex-direction:column;gap:20px}.empty-state{margin:auto;text-align:center;color:var(--text-dim);max-width:460px;line-height:1.9;padding:20px}.empty-state h2{font-size:22px;letter-spacing:.04em;margin-bottom:10px;background:linear-gradient(100deg,var(--accent),var(--accent-2),var(--accent-3));-webkit-background-clip:text;background-clip:text;color:transparent}.chip,.empty-state h2{font-family:var(--font-mono)}.chip{display:inline-block;border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:12px;letter-spacing:.02em;color:var(--text-dim);background:rgba(255,255,255,.02);transition:all .18s}.chip:hover{border-color:var(--border-strong);color:var(--accent);background:rgba(59,158,255,.07);box-shadow:0 0 18px rgba(59,158,255,.12)}.row{display:flex;gap:14px;animation:fade-in .3s ease}.row.user{justify-content:flex-end}.avatar{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.02em}.row.user .avatar{order:2;color:#04101f;background:linear-gradient(135deg,var(--accent),#7fc4ff);box-shadow:0 0 20px var(--glow-cyan)}.row.assistant .avatar{color:var(--accent-2);background:rgba(99,132,255,.1);border:1px solid rgba(99,132,255,.35);box-shadow:inset 0 0 16px rgba(99,132,255,.12),0 0 18px rgba(99,132,255,.1)}.bubble{position:relative;max-width:80%;border-radius:var(--radius);padding:12px 16px;font-size:14px;line-height:1.75;white-space:pre-wrap;word-break:break-word}.row.user .bubble{background:linear-gradient(135deg,rgba(59,158,255,.16),rgba(99,132,255,.16));border:1px solid rgba(59,158,255,.3);color:var(--text);border-top-right-radius:4px;box-shadow:0 6px 26px rgba(59,158,255,.08)}.row.assistant .bubble{background:var(--panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-top-left-radius:4px;box-shadow:0 8px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.03)}.md-body,.md-wrap{white-space:normal;word-break:break-word}.md-body>:first-child{margin-top:0}.md-body>:last-child{margin-bottom:0}.md-body p{margin:8px 0}.md-body h1,.md-body h2,.md-body h3,.md-body h4{margin:16px 0 8px;line-height:1.4;letter-spacing:.01em}.md-body h1{font-size:20px;color:#fff}.md-body h2{font-size:17px;color:#fff;border-bottom:1px solid var(--border);padding-bottom:6px}.md-body h3{font-size:15px;color:var(--accent)}.md-body strong{color:#fff;font-weight:650}.md-body ol,.md-body ul{margin:8px 0;padding-left:22px}.md-body ul{list-style:none}.md-body ul>li{position:relative}.md-body ul>li:before{content:"";position:absolute;left:-14px;top:.72em;width:5px;height:5px;border-radius:1px;background:var(--accent);box-shadow:0 0 8px var(--glow-cyan)}.md-body ol{list-style:decimal}.md-body li{margin:5px 0}.md-body table{border-collapse:collapse;margin:12px 0;width:100%;font-size:13px;border:1px solid var(--border);border-radius:10px;overflow:hidden}.md-body td,.md-body th{border:1px solid var(--border);padding:8px 12px;text-align:left}.md-body th{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;background:rgba(99,132,255,.08);color:var(--accent-2);font-weight:600}.md-body tr:nth-child(2n) td{background:rgba(255,255,255,.015)}.md-body blockquote{margin:12px 0;padding:8px 14px;border-left:2px solid var(--accent);color:var(--text-dim);background:rgba(59,158,255,.05);border-radius:0 10px 10px 0}.md-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.md-body hr{border:none;border-top:1px solid var(--border);margin:16px 0}.inline-code{background:rgba(59,158,255,.08);border:1px solid rgba(59,158,255,.22);border-radius:6px;padding:1px 6px;font-family:var(--font-mono);font-size:12.5px;color:var(--accent)}.code-block{margin:12px 0;background:#04070d;border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:inset 0 0 30px rgba(0,0,0,.5)}.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint);background:rgba(99,132,255,.06);border-bottom:1px solid var(--border)}.code-copy-btn{font-family:var(--font-mono);background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-dim);font-size:11px;padding:3px 9px;cursor:pointer;transition:all .15s}.code-copy-btn:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 12px rgba(59,158,255,.15)}.code-block pre{margin:0;padding:14px 16px;overflow-x:auto;font-family:var(--font-mono);font-size:13px;line-height:1.65;color:#cfe0f5}.streaming-text{white-space:pre-wrap;word-break:break-word}.cursor:after{content:"▍";animation:blink 1.05s steps(2) infinite;margin-left:2px;color:var(--accent);text-shadow:0 0 10px var(--glow-cyan)}.tool-events{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}.tool-event{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.02em;color:var(--text-dim);border:1px solid var(--border);border-radius:999px;padding:4px 11px;display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.02)}.tool-event .spinner{width:10px;height:10px;border:2px solid rgba(99,132,255,.25);border-top:2px solid var(--accent);border-radius:50%;animation:spin .8s linear infinite;box-shadow:0 0 8px var(--glow-cyan)}.tool-event.done{color:var(--success);border-color:rgba(56,232,160,.35);background:rgba(56,232,160,.06)}.references{margin-top:12px;border-top:1px dashed var(--border);padding-top:10px}.references summary{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.03em;color:var(--text-dim);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.references summary:hover{color:var(--accent)}.reference-item{margin-top:8px;background:rgba(10,14,24,.6);border:1px solid var(--border);border-radius:10px;padding:9px 12px;font-size:12px;color:var(--text-dim);line-height:1.6}.reference-item .meta{margin-bottom:5px;color:var(--accent-2);letter-spacing:.04em;text-transform:uppercase}.footer-meta,.reference-item .meta{display:flex;gap:10px;font-family:var(--font-mono);font-size:10.5px}.footer-meta{margin-top:10px;letter-spacing:.03em;color:var(--text-faint);flex-wrap:wrap}.footer-meta span{padding:2px 0}.footer-meta span+span{border-left:1px solid var(--border);padding-left:10px}.copy-btns{margin-top:10px;display:flex;gap:8px;opacity:.5;transition:opacity .18s}.bubble:hover .copy-btns,.copy-btns:focus-within{opacity:1}.copy-btn{font-family:var(--font-mono);background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-dim);font-size:10.5px;letter-spacing:.03em;line-height:1;padding:5px 9px;cursor:pointer;transition:all .15s}.copy-btn:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 12px rgba(59,158,255,.15)}.thinking{margin-bottom:10px;background:rgba(99,132,255,.06);border:1px solid rgba(99,132,255,.22);border-radius:10px;padding:8px 12px;font-size:12px;color:var(--text-dim)}.thinking summary{font-family:var(--font-mono);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;color:var(--accent-2);margin-bottom:5px;letter-spacing:.03em}.thinking div{white-space:pre-wrap;line-height:1.65;max-height:200px;overflow-y:auto}.input-bar{position:relative;z-index:2;border-top:1px solid var(--border);padding:14px 0 max(env(keyboard-inset-height,0px),18px);display:flex;gap:12px;align-items:flex-end;background:transparent}.input-bar:before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--glow-cyan),var(--glow-violet),transparent);opacity:.55}.input-bar textarea{flex:1 1;background:rgba(10,14,24,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:13px;color:var(--text);padding:13px 16px;font-size:14px;font-family:inherit;resize:none;min-height:50px;max-height:168px;line-height:1.6;transition:border-color .18s,box-shadow .18s}.input-bar textarea:focus{outline:none;border-color:rgba(59,158,255,.55);box-shadow:0 0 0 3px rgba(59,158,255,.1),0 0 28px rgba(59,158,255,.08)}.input-bar textarea::placeholder{color:var(--text-faint)}.send-btn{font-family:var(--font-mono);background:linear-gradient(135deg,#4f9bff,#3b9eff 45%,var(--accent-2));border:none;color:#04101f;border-radius:13px;padding:13px 22px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;height:50px;box-shadow:0 6px 24px rgba(59,158,255,.25);transition:transform .15s,box-shadow .18s,filter .18s}.send-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 34px rgba(59,158,255,.35);filter:brightness(1.06)}.send-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.file-panel,.session-panel{width:252px;flex-shrink:0;margin:20px 0;background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.03)}.file-panel{width:300px}.file-panel-header,.session-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);background:rgba(99,132,255,.03)}.file-panel-header h3,.session-panel-header h3{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin:0}.session-panel-body{flex:1 1;overflow-y:auto;padding:10px}.session-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.session-item{display:flex;align-items:center;gap:8px;padding:10px 11px;background:rgba(255,255,255,.02);border:1px solid transparent;border-radius:10px;cursor:pointer;transition:all .16s}.session-item:hover{border-color:var(--border);background:rgba(99,132,255,.06)}.session-item.active{border-color:var(--border-strong);background:rgba(59,158,255,.09);box-shadow:inset 0 0 18px rgba(59,158,255,.08)}.session-info{flex:1 1;min-width:0}.session-title{font-size:13px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-item.active .session-title{color:var(--accent)}.session-meta{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.02em;color:var(--text-faint);margin-top:3px}.file-empty,.session-empty{font-size:12px;color:var(--text-faint);text-align:center;line-height:1.8;padding:24px 8px}.file-panel-body{flex:1 1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.upload-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border:1px dashed rgba(59,158,255,.32);border-radius:11px;color:var(--accent);font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:all .18s}.upload-btn:hover{border-color:var(--accent);background:rgba(59,158,255,.06);box-shadow:0 0 20px rgba(59,158,255,.12)}.file-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.file-item{display:flex;align-items:center;gap:8px;padding:9px 11px;background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:10px;transition:border-color .16s,background .16s}.file-item:hover{border-color:rgba(99,132,255,.34);background:rgba(99,132,255,.05)}.file-info{flex:1 1;min-width:0}.file-name{font-size:12.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint);margin-top:3px}.file-actions{display:flex;gap:5px;flex-shrink:0}.icon-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:7px;color:var(--text-dim);font-size:13px;cursor:pointer;text-decoration:none;padding:0;transition:all .15s}.icon-btn:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 12px rgba(59,158,255,.15)}.file-error{font-size:12px;color:var(--danger);background:rgba(255,107,138,.08);border:1px solid rgba(255,107,138,.3);border-radius:9px;padding:7px 9px;word-break:break-all}.preview-btn{width:auto;padding:0 8px;font-size:11px}.preview-overlay{position:fixed;inset:0;background:rgba(3,6,12,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:backdrop-in .2s ease}.preview-modal{width:min(900px,92vw);height:min(660px,86vh);background:linear-gradient(180deg,rgba(16,22,36,.96),rgba(10,14,24,.98));border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.6),0 0 0 1px rgba(59,158,255,.06),inset 0 1px 0 rgba(255,255,255,.04)}.preview-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}.preview-title{font-family:var(--font-mono);font-size:13px;letter-spacing:.03em;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-actions{display:flex;gap:6px;flex-shrink:0}.preview-body{flex:1 1;min-height:0;background:#04070d;background-image:linear-gradient(rgba(120,160,210,.05) 1px,transparent 0),linear-gradient(90deg,rgba(120,160,210,.05) 1px,transparent 0);background-size:22px 22px;display:flex;align-items:center;justify-content:center;overflow:auto}.preview-image{max-width:100%;max-height:100%;object-fit:contain;filter:drop-shadow(0 0 24px rgba(59,158,255,.12))}.preview-text{width:100%;height:100%;border:none;background:transparent;color:var(--text);font-family:var(--font-mono);font-size:12.5px;padding:16px;white-space:pre-wrap;word-break:break-all;outline:none;resize:none}.preview-unsupported{display:flex;flex-direction:column;align-items:center;gap:14px;padding:32px;color:var(--text-dim);font-size:13px}.preview-download{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:10px;border:1px solid rgba(59,158,255,.35);background:rgba(59,158,255,.12);color:var(--accent);text-decoration:none;font-size:13px;transition:all .18s ease}.preview-download:hover{background:rgba(59,158,255,.22);box-shadow:0 0 18px rgba(59,158,255,.25)}.settings-modal{width:min(460px,90vw);background:linear-gradient(180deg,rgba(16,22,36,.97),rgba(10,14,24,.98));border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.04)}.settings-modal .preview-header{padding:15px 18px}.settings-body{padding:10px 18px 18px;overflow-y:auto}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 2px;cursor:pointer}.settings-label{font-size:14px;font-weight:600;color:var(--text)}.settings-desc{font-size:12px;color:var(--text-dim);margin-top:4px;line-height:1.55}.settings-checkbox{width:18px;height:18px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.settings-wide{width:min(700px,92vw);max-height:88vh}.settings-group{margin-bottom:6px}.settings-group-title{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);margin:16px 2px 10px;padding-bottom:7px;border-bottom:1px solid var(--border)}.settings-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.settings-field-label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.03em;color:var(--text-dim)}.settings-input,.settings-select,.settings-textarea{width:100%;background:rgba(6,10,18,.85);color:var(--text);border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-size:13px;font-family:var(--font-mono);transition:border-color .16s,box-shadow .16s}.settings-select{font-family:var(--font-sans);-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:30px}.settings-textarea{resize:vertical;line-height:1.65}.settings-input:focus,.settings-select:focus,.settings-textarea:focus{outline:none;border-color:rgba(59,158,255,.55);box-shadow:0 0 0 3px rgba(59,158,255,.1)}.settings-input::placeholder,.settings-textarea::placeholder{color:var(--text-faint)}.settings-example{margin-top:8px;padding:11px 13px;background:rgba(59,158,255,.06);border:1px solid rgba(59,158,255,.24);border-radius:9px;font-family:var(--font-mono);font-size:11.5px;color:var(--accent);line-height:1.6;word-break:break-all}.settings-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.settings-actions .send-btn{width:132px;height:42px;padding:0}.settings-actions .ghost-btn{height:42px}.mobile-drawer-backdrop{position:fixed;inset:0;background:rgba(3,6,12,.62);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:110;animation:backdrop-in .18s ease}.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:min(324px,86vw);display:flex;flex-direction:column;background:linear-gradient(180deg,rgba(12,17,28,.98),rgba(6,10,18,.99));border-right:1px solid var(--border);z-index:120;transform:translateX(-100%);transition:transform .24s cubic-bezier(.4,0,.2,1);visibility:hidden;box-shadow:20px 0 60px rgba(0,0,0,.5)}.mobile-drawer.open{transform:translateX(0);visibility:visible}.mobile-drawer-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}.mobile-drawer-tab{flex:1 1;padding:15px 8px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-dim);font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:all .16s}.mobile-drawer-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600;text-shadow:0 0 16px var(--glow-cyan)}.mobile-drawer-body{flex:1 1;min-height:0;overflow:hidden;padding:14px;display:flex}.mobile-drawer-body .file-panel,.mobile-drawer-body .session-panel{width:100%;margin:0;max-height:none;border-radius:var(--radius)}@keyframes spin{to{transform:rotate(1turn)}}@keyframes blink{50%{opacity:0}}@keyframes fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.86)}}@keyframes backdrop-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}@media (max-width:1080px){.session-panel{width:224px}.file-panel{width:264px}}@media (max-width:720px){.desktop-panels{display:none}.app{padding:0 12px}.app-header{gap:8px;padding:12px 0}.app-title{font-size:15px}.ghost-btn{height:36px;padding:0 11px;font-size:12px}.model-select{padding:7px 26px 7px 10px;font-size:11.5px}.chat-main{min-height:0}.message-list{padding:16px 0;gap:16px}.bubble{max-width:88%}.preview-overlay{padding:8px}.preview-modal{width:98vw;height:90vh}.file-panel-body,.session-panel-body{-webkit-overflow-scrolling:touch}.input-bar{padding:12px 0 max(env(keyboard-inset-height,0px),14px)}.send-btn{height:48px;padding:0 18px}.input-bar textarea{min-height:48px}}