/* Benwu Bot desk · 0.5 — a dark viewing room. The desktop is the subject;
 * chrome stays graphite and quiet. Ember appears only while the Bot works. */
@font-face{font-family:'Source Serif 4';src:url('/desk-assets/source-serif4-regular.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
:root{--serif:'Source Serif 4','Noto Serif SC','Source Han Serif SC','Songti SC',SimSun,Georgia,serif;--prose:'Source Serif 4',system-ui,sans-serif}
:root{color-scheme:dark;--bg:#0b0b0a;--panel:#161615;--raised:#1f1f1d;--sunk:#121211;--ink:#f1f0eb;--muted:#a9a8a1;--faint:#75746e;--line:rgb(255 255 255/8%);--line-strong:rgb(255 255 255/14%);--accent:#ff7a3d;--accent-hover:#ff9360;--ember-1:#ffb36b;--ember-glow:rgb(255 122 61/35%);--ok:#3ccf8e;--warn:#f0b545;--danger:#ff6b5c;--bubble:#2a2a27;--shadow:0 1px 2px rgb(0 0 0/30%),0 24px 60px -20px rgb(0 0 0/70%);--sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;--ease:cubic-bezier(.2,.7,.2,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);font-family:var(--sans);color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}
body{margin:0;min-height:100dvh;background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button,textarea{font:inherit}
button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;border:0;border-radius:999px;padding:10px 20px;background:var(--ink);color:#121211;cursor:pointer;font-size:14px;font-weight:600;transition:background .2s var(--ease),color .2s var(--ease),transform .15s var(--ease),border-color .2s var(--ease)}
button:hover:not(:disabled){background:#fff}
button:active:not(:disabled){transform:scale(.97)}
button:disabled{opacity:.4;cursor:not-allowed}
button[hidden]{display:none!important}
button:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.glyph{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.secondary{background:rgb(255 255 255/6%);color:var(--ink);border:1px solid var(--line-strong);font-weight:500}
.secondary:hover:not(:disabled){background:rgb(255 255 255/12%);color:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
::selection{background:color-mix(in srgb,var(--accent) 32%,transparent);color:inherit}

/* Bot face — mirrors src/saas/botface.css; mood comes only from real state. */
.bot-face{--plate:#2a2a27;--eye:#f6efe6;--face:36px;position:relative;display:inline-grid;place-items:center;flex:none;width:var(--face);height:var(--face);border-radius:calc(var(--face)*.32);transition:box-shadow .5s var(--ease)}
.bot-face.face-26{--face:26px}
.bot-face svg{display:block;width:100%;height:100%;overflow:visible}
.bf-plate{fill:var(--plate)}.bf-shine{fill:#fff;opacity:.07}
.bf-eye{fill:var(--eye);transform-box:fill-box;transform-origin:center;transition:fill .4s var(--ease),transform .45s var(--ease-spring),opacity .3s}
.bf-eyes{transition:transform .5s var(--ease-spring)}
.bf-closed{fill:none;stroke:var(--eye);stroke-width:2.4;stroke-linecap:round;opacity:0;transition:opacity .3s}
.bot-face[data-mood=idle] .bf-eye{animation:bf-blink 5.6s infinite}
.bot-face[data-mood=working]{--eye:var(--ember-1);animation:bf-glow 2.2s var(--ease) infinite}
.bot-face[data-mood=working] .bf-eyes{transform:translateX(3px)}
.bot-face[data-mood=working] .bf-eye{animation:bf-scan 2.2s var(--ease) infinite}
.bot-face[data-mood=busy] .bf-eye{transform:scaleY(.5);animation:bf-pulse 1.1s var(--ease) infinite alternate}
.bot-face[data-mood=busy] .bf-eye-r{animation-delay:.55s}
.bot-face[data-mood=watching] .bf-eyes{transform:translate(-2.5px,2px)}
.bot-face[data-mood=watching] .bf-eye{animation:bf-blink 4.2s infinite}
.bot-face[data-mood=sleeping] .bf-eye{opacity:0}.bot-face[data-mood=sleeping] .bf-closed{opacity:.75}
.bot-face[data-mood=off]{--eye:#8d8c86}.bot-face[data-mood=off] .bf-eye{transform:scaleY(.18)}
.bot-face[data-mood=error]{--eye:var(--danger)}
.bot-face[data-mood=error] .bf-eye-l{transform:rotate(-28deg) scaleY(.62)}.bot-face[data-mood=error] .bf-eye-r{transform:rotate(28deg) scaleY(.62)}
@keyframes bf-blink{0%,93%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}
@keyframes bf-scan{0%,100%{transform:translateY(0)}50%{transform:translateY(-1.5px) scaleY(.92)}}
@keyframes bf-pulse{from{opacity:.45}to{opacity:1}}
@keyframes bf-glow{0%,100%{box-shadow:0 0 0 0 var(--ember-glow)}50%{box-shadow:0 0 calc(var(--face)*.5) var(--ember-glow)}}

/* header */
.desk-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:1680px;margin:auto}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.bot-title-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand strong{display:block;max-width:180px;font-size:17px;font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand>div>span{display:block;color:var(--faint);font-size:11.5px;margin-top:2px;white-space:nowrap}
.bot-presence{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}
.bot-presence::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--presence-color,var(--faint))}
.bot-presence[data-tone=online]{--presence-color:var(--ok)}
.bot-presence[data-tone=idle]{--presence-color:var(--warn)}
.bot-presence[data-tone=error]{--presence-color:var(--danger);color:var(--danger)}
.bot-presence[data-mood=working]::before{background:var(--accent);animation:dot 1.6s var(--ease) infinite}
.bot-presence[data-mood=sleeping]::before,.bot-presence[data-mood=off]::before{background:transparent;box-shadow:inset 0 0 0 1.5px var(--faint)}
@keyframes dot{0%{box-shadow:0 0 0 0 var(--ember-glow)}70%{box-shadow:0 0 0 6px transparent}}
.controls{display:flex;align-items:center;gap:10px}
.controls>span{color:var(--muted);font-size:12.5px;margin-right:4px}

/* stage */
main{max-width:1680px;margin:auto;padding:0 20px}
#stage{position:relative;height:calc(100dvh - 118px);min-height:300px;width:100%;overflow:hidden;border-radius:18px;border:1px solid var(--line-strong);background:#1c1c1a;box-shadow:var(--shadow)}
iframe{width:100%;height:100%;border:0;display:block}
iframe[hidden]{display:none}
#guard{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:center;pointer-events:all;z-index:2}
#guard[hidden]{display:none}
#guard p{color:var(--ink);background:rgb(10 10 9/76%);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:8px 16px;margin:20px;border-radius:999px;line-height:1.6;text-align:center;font-size:12.5px;max-width:calc(100% - 40px);animation:rise .4s var(--ease) both}
#cursor{position:absolute;z-index:3;width:0;height:0;pointer-events:none}
#cursor::before{content:'';position:absolute;left:-40px;top:-32px;width:80px;height:66px;border-radius:50%;background:radial-gradient(ellipse,rgb(255 179 107/38%) 0%,rgb(255 122 61/16%) 32%,rgb(255 90 31/5%) 56%,transparent 72%);filter:blur(3px);animation:halo 2.8s ease-in-out infinite}
#cursor.clicked::after{content:'';position:absolute;width:34px;height:34px;left:-17px;top:-17px;border:2px solid var(--accent);border-radius:50%;animation:click .42s var(--ease) forwards}
#error{color:var(--danger);min-height:18px;font-size:13px;margin:6px 2px}
#error:empty{min-height:0;margin:0}
footer{color:var(--faint);font-size:11.5px;text-align:center;padding:10px 16px 12px;line-height:1.6}

/* conversation */
#conversation{position:fixed;right:36px;bottom:64px;width:360px;max-height:72dvh;display:flex;flex-direction:column;background:rgb(22 22 21/94%);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line-strong);border-radius:22px;box-shadow:var(--shadow);z-index:5;overflow:hidden;animation:rise .45s var(--ease) both}
#chat-toggle{background:transparent;color:var(--ink);border-radius:0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex:none;padding:10px 16px 10px 12px;border-bottom:1px solid var(--line);font-weight:600}
#chat-toggle:hover:not(:disabled){background:rgb(255 255 255/4%);color:var(--ink)}
#chat-toggle[aria-expanded=false]{border-bottom-color:transparent}
#chat-toggle>span:first-child{display:flex;align-items:center;gap:10px;font-size:14.5px;font-family:var(--serif);font-weight:400;min-width:0}
#bot-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:210px}
#chat-toggle-label{font-size:12px;font-weight:500;color:var(--faint)}
#chat-body{display:flex;flex-direction:column;min-height:0;max-height:calc(72dvh - 50px)}
#chat-body[hidden]{display:none}
#jobs{overflow:auto;overscroll-behavior:contain;padding:6px 16px;min-height:120px;max-height:46dvh;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
.chat-empty{color:var(--muted);font-family:var(--serif);font-size:13.5px;line-height:1.8;margin:22px 8px 26px;text-align:center}
.job{margin:14px 0 22px;animation:rise .35s var(--ease) both}
.job h2{position:relative;width:fit-content;max-width:88%;margin:0 0 18px auto;padding:8px 14px;border-radius:18px 18px 6px 18px;background:var(--bubble);font-size:13.5px;font-weight:400;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}
.job-reply{position:relative;padding:10px 14px;margin:0 8px 14px 0;border:1px solid var(--line);border-radius:6px 18px 18px 18px;background:var(--raised);cursor:pointer}
.job-reply:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.job-reply[hidden],.job-status[hidden]{display:none}
.job-status{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--ember-1);font-size:12px;font-weight:600}
.job-status button{font-size:12px;font-weight:500;min-height:30px;padding:3px 11px;background:transparent;color:var(--muted);border:1px solid var(--line-strong)}
.job-status button:hover:not(:disabled){background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent)}
.job-markdown{font-family:var(--prose);font-size:14px;line-height:1.75;overflow-wrap:anywhere;cursor:auto}
.job-markdown>:first-child{margin-top:0}.job-markdown>:last-child{margin-bottom:0}
.job-markdown h1,.job-markdown h2,.job-markdown h3{font-size:15px;margin:12px 0 6px;background:none;padding:0;width:auto;max-width:none}
.job-markdown ul,.job-markdown ol{padding-left:1.3em}
.job-markdown code{font-family:var(--mono);font-size:.86em}
.job-markdown :not(pre)>code{padding:.1em .4em;border-radius:5px;background:rgb(255 255 255/8%)}
.job-markdown pre{overflow:auto;background:var(--sunk);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.job-markdown table{display:block;overflow:auto;border-collapse:collapse;font-size:13px}
.job-markdown td,.job-markdown th{border-bottom:1px solid var(--line);padding:5px 10px;text-align:left}
.job-markdown img{max-width:100%}
.job a{display:block;font-size:12.5px;line-height:1.7;padding:6px 0;color:var(--ink);overflow-wrap:anywhere;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--accent) 60%,transparent)}
.job a:hover{text-decoration-color:var(--accent)}
.prompt-reaction,.reply-reaction{position:absolute!important;bottom:-10px!important;display:grid;place-items:center;width:28px;height:28px;min-width:28px!important;min-height:28px!important;margin:0!important;padding:0!important;border:0!important;border-radius:50%;background:var(--panel)!important;box-shadow:0 0 0 1px var(--line-strong),0 2px 8px rgb(0 0 0/40%);font-size:16px;line-height:1}
.prompt-reaction:empty{display:none}
.prompt-reaction{left:-10px;transform:rotate(-10deg);animation:sticker .45s var(--ease-spring) both}
.reply-reaction{right:-10px;transform:rotate(9deg);animation:sticker .45s var(--ease-spring) both}
.reaction-options{position:absolute;bottom:calc(100% + 6px);left:6px;z-index:6;display:flex;gap:2px;padding:4px;border:1px solid var(--line-strong);border-radius:999px;background:var(--panel);box-shadow:var(--shadow);cursor:default}
.reaction-options[hidden]{display:none}
.reaction-options button{min-width:42px;min-height:42px;padding:0;font-size:20px;background:transparent;color:inherit;border-radius:50%;transition:transform .18s var(--ease-spring),background .15s}
.reaction-options button:hover:not(:disabled){background:rgb(255 255 255/8%);color:inherit;transform:translateY(-3px) scale(1.12)}
.reaction-options button[aria-pressed=true]{background:rgb(255 255 255/10%);box-shadow:inset 0 0 0 1.5px var(--ink)}
.desk-image-preview{background:transparent!important;padding:0;border-radius:10px;display:block;width:100%}
.desk-image-preview img{max-width:100%;max-height:240px;object-fit:contain;border-radius:10px}
.desk-image-dialog{max-width:95vw;max-height:92vh;background:var(--panel);color:var(--ink);border:1px solid var(--line-strong);border-radius:16px}
.desk-image-dialog img{display:block;max-width:100%;max-height:75vh;object-fit:contain}
.desk-image-dialog::backdrop{background:rgb(8 8 7/80%)}
#task-form{position:relative;margin:6px 12px 0;padding:4px 6px 0;flex:none;border:1px solid var(--line-strong);border-radius:18px;background:var(--sunk);transition:border-color .2s var(--ease)}
#task-form:focus-within{border-color:rgb(255 255 255/30%)}
#task-input{resize:none;display:block;width:100%;border:0;color:var(--ink);background:transparent;padding:9px 8px;font-size:14px;line-height:1.65;max-height:120px}
#task-input:focus-visible{outline:none}
#task-input::placeholder{color:var(--faint)}
#task-form>div{display:flex;align-items:center;justify-content:space-between;padding:0 0 6px 8px;gap:8px}
#task-state{font-size:11.5px;color:var(--faint)}
#send{font-size:13px;min-height:36px;padding:7px 17px;background:var(--accent);color:#fff;box-shadow:0 6px 16px -6px var(--ember-glow)}
#send:hover:not(:disabled){background:var(--accent-hover)}
#send:disabled{background:rgb(255 255 255/10%);color:var(--faint);box-shadow:none}
#task-error{color:var(--danger);font-size:12px;line-height:1.6;margin:6px 16px 10px}
#task-error:empty{margin:0 0 12px}

@keyframes click{from{transform:scale(.3);opacity:1}to{transform:scale(1.45);opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes halo{0%,100%{opacity:.6;transform:scale(.92)}50%{opacity:1;transform:scale(1.08)}}
@keyframes sticker{from{opacity:0;scale:.3}to{opacity:1;scale:1}}

@media(max-width:700px){
  .desk-header{padding:10px 12px;gap:8px}
  .brand strong{font-size:15px;max-width:120px}
  .brand>div>span{display:none}
  .controls{gap:6px}
  .controls>span{display:none}
  .controls button{min-height:38px;padding:8px 13px;font-size:12.5px}
  main{padding:0 8px}
  #stage{border-radius:14px;height:calc(100dvh - 104px);min-height:280px}
  #conversation{right:10px;left:10px;bottom:44px;width:auto;max-height:62dvh;border-radius:20px}
  #chat-body{max-height:calc(62dvh - 50px)}
  #jobs{max-height:34dvh}
  #guard p{font-size:11.5px;margin:10px;padding:7px 13px}
  footer{font-size:10.5px;padding:8px 12px 10px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}