@charset "UTF-8";
:root{--paper:#f6f5f0;--surface:#fdfcf9;--ink:#28352d;--muted:#5f6a5c;--line:#e3e5dc;--green:#49674c;--green-dark:#334e38;--soft:#e8edde;--error:#8a3a2e;--on-green:#ffffff;--state:#6f6250;color-scheme:light;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow-x:hidden}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h3{font-size:16px;font-weight:600}button{border:0;background:none}input:not([type=checkbox]):not([type=file]),textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;background:var(--surface);color:var(--ink)}input[type=checkbox]{accent-color:var(--green)}label{display:block;font-size:13px;font-weight:500;line-height:1.7;margin:15px 0}label input:not([type=checkbox]),label textarea{margin-top:7px}textarea{resize:vertical;line-height:1.65}.muted{color:var(--muted);line-height:1.8}.small{font-size:12px;line-height:1.8}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted)}.primary{background:var(--green);color:var(--on-green);padding:13px 20px;border-radius:12px;display:flex;justify-content:space-between;align-items:center}.primary:hover,.send-button:hover{background:var(--green-dark)}.wide{width:100%}.secondary{display:inline-block;border:1px solid var(--line);padding:10px 15px;border-radius:10px;font-size:13px;background:var(--surface)}.secondary:hover{background:var(--soft)}.error{color:var(--error);font-size:12px;line-height:1.6;margin:10px 0 0;overflow-wrap:anywhere}.brand-mark{font-family:serif;font-size:25px;display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:var(--green);color:var(--on-green)}.vault{min-height:100dvh;display:grid;place-items:center;padding:30px;background:radial-gradient(ellipse at 35% 20%,#e8edde 0,transparent 58%)}.vault-card{width:min(100%,425px)}.vault-card>.brand-mark{margin-bottom:32px}.vault-card h1{font-family:Georgia,"Songti SC",serif;font-size:29px;font-weight:500;line-height:1.5;letter-spacing:-.8px}.vault-card>.muted{font-size:14px}.vault-card form{margin-top:28px}.vault-foot{font-size:11px;text-align:center;color:var(--muted);margin-top:30px}.workspace{display:flex;height:100dvh;overflow:hidden}.sidebar{width:272px;flex-shrink:0;border-right:1px solid var(--line);padding:28px 20px 20px;background:#efefe7;display:flex;flex-direction:column}.brand{display:flex;gap:13px;align-items:center;font-family:Georgia,serif;font-size:20px}.brand .brand-mark{width:39px;height:39px;border-radius:12px;font-size:22px}.brand-sub{display:block;font:10px system-ui;letter-spacing:1px;color:var(--muted);margin-top:5px}.new-chat{margin:36px 0 25px;text-align:left;display:flex;align-items:center;gap:12px;padding:13px 15px;border:1px solid #d3d8ca;background:#f7f7f0;border-radius:12px;font-size:13px}.new-chat>span{font-size:22px;color:var(--green)}.section-label{font-size:10px;color:var(--muted);letter-spacing:1.5px;margin:0 12px 14px}#conversationList{overflow:auto;flex:1}.conversation-item{width:100%;text-align:left;padding:13px 14px;margin:3px 0;border-radius:10px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-item:hover{background:#e7e9de}.conversation-item.selected{background:#dfe6d5;color:#365537}.conversation-date{font-size:10px;display:block;color:var(--muted);margin-top:6px}.sidebar-bottom{padding-top:16px;border-top:1px solid var(--line)}.nav-button{display:flex;gap:10px;align-items:center;width:100%;padding:11px 10px;font-size:12px;color:var(--muted);border-radius:10px}.nav-button:hover{background:var(--soft)}.nav-button>span:first-child{font-size:16px;width:20px}.nav-arrow{margin-left:auto;color:#909884}.safety-mini{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted);padding:19px 8px 0}.safety-mini>button{margin-left:auto;font-size:10px;text-decoration:underline}.status-dot{height:6px;width:6px;flex-shrink:0;background:#7e976f;border-radius:50%;display:inline-block}.main{display:flex;flex-direction:column;flex:1;min-width:0;background:var(--surface)}.topbar{min-height:91px;display:flex;align-items:center;justify-content:space-between;padding:0 42px;border-bottom:1px solid #eeeee7;gap:12px}.conversation-heading{min-width:0}.conversation-heading .eyebrow{display:block;letter-spacing:1px;margin-bottom:5px}.title-button{font-size:15px;padding:0;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.title-button span{font-size:14px;margin-left:10px;color:var(--muted)}.connection-badge{font-size:11px;border:1px solid var(--line);border-radius:20px;padding:7px 10px;display:flex;gap:7px;align-items:center;white-space:nowrap;color:var(--muted)}.connection-badge.offline{color:var(--error)}.connection-badge.offline .status-dot{background:var(--error)}.message-area{flex:1;overflow-y:auto;scroll-behavior:smooth;padding:28px 28px 0}.welcome{max-width:700px;margin:clamp(25px,10vh,90px) auto 40px;text-align:center}.welcome-symbol{font-size:59px;line-height:1;color:#789067;margin-bottom:31px}.welcome .eyebrow{letter-spacing:2px;margin-bottom:15px}.welcome h1{font:400 35px/1.5 Georgia,"Songti SC",serif;letter-spacing:-.6px;margin-bottom:15px}.welcome>p:not(.eyebrow){font-size:13px;line-height:2;color:var(--muted)}.suggestions{display:flex;justify-content:center;gap:10px;margin-top:36px}.suggestions button{font-size:12px;display:flex;gap:18px;align-items:center;border:1px solid var(--line);padding:13px 15px;border-radius:10px;background:#f9f9f4}.suggestions span{color:#849579}.suggestions button:hover{background:var(--soft)}.messages{max-width:760px;margin:auto;padding-bottom:28px}.message{margin:24px 0 35px;display:flex;flex-direction:column;align-items:flex-start}.message.user{align-items:flex-end}.message-meta{font-size:10px;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:9px}.message.user .message-meta{margin-right:4px}.message-symbol{width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--green);display:grid;place-items:center;font-size:14px}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font-size:14px;line-height:1.95;max-width:100%;user-select:text}.message.user .message-content{background:#edf0e6;padding:15px 20px;border-radius:17px 17px 4px 17px;max-width:88%}.message-state{font-size:11px;color:var(--state);margin-top:10px;line-height:1.8}.message-copy{font-size:10px;color:var(--muted);padding:7px 0;text-decoration:underline}.composer-area{max-width:816px;width:100%;margin:auto;padding:8px 28px max(18px,env(safe-area-inset-bottom));background:var(--surface)}.composer{background:var(--paper);border:1px solid #dde1d3;border-radius:18px;padding:15px 17px 11px;box-shadow:0 5px 20px #29352404}.composer textarea{background:transparent;border:0;border-radius:0;padding:0;font-size:14px;resize:none;min-height:48px;max-height:160px;outline:none}.composer textarea::placeholder{color:var(--muted)}.composer-tools{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px}.composer-tools>div{display:flex;gap:10px;align-items:center}.save-only{font-size:10px;color:var(--muted);margin:0;display:flex;gap:6px;align-items:center}.save-only input{width:12px;height:12px}.send-button{border-radius:11px;min-width:44px;min-height:44px;width:44px;height:44px;background:var(--green);color:var(--on-green);font-size:24px;line-height:1}.cancel-button{font-size:12px;padding:8px 10px;min-height:44px;background:#e7e9df;border-radius:9px}.composer-foot{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);padding:11px 3px 0;gap:10px}.active-skills{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px;min-height:18px}.skill-pill{font-size:10px;padding:5px 9px;border-radius:20px;background:var(--soft);color:#4e6346}.icon-button{font-size:18px;padding:9px;border-radius:10px}.mobile-only{display:none}.scrim{position:fixed;inset:0;background:#25322460;z-index:9}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:14px}.panel-header h2{font-size:19px;font-weight:500;margin:0}dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:25px;max-width:580px;width:calc(100% - 30px);max-height:90dvh;overflow:auto}dialog::backdrop{background:#202c2560;backdrop-filter:blur(3px)}.panel-section{padding-top:20px;font-size:13px}.two-columns{display:flex;gap:14px}.two-columns>label{flex:1;min-width:0}.check-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:400}.info-box{border:1px solid var(--line);padding:18px;border-radius:13px;margin-bottom:16px;background:var(--surface)}.info-box p{font-size:12px;line-height:1.8;color:var(--muted)}.button-row{display:flex;gap:8px;flex-wrap:wrap}.skill-row{padding:14px;border:1px solid var(--line);border-radius:12px;margin:10px 0;background:var(--surface)}.skill-row label{margin:0;display:flex;justify-content:space-between;gap:15px;font-size:13px}.skill-row p{font-size:11px;color:var(--muted);line-height:1.8;margin:8px 0 0;white-space:pre-wrap}.file-label{font-size:11px;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin:25px 0}.panel-notice{font-size:12px;color:var(--green);line-height:1.7;margin-bottom:0}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#2c4033;color:white;z-index:100;padding:12px 20px;border-radius:12px;font-size:12px;max-width:90vw;box-shadow:0 5px 20px #0002}
@media(min-width:1500px){.sidebar{width:290px}.message-area{padding-top:40px}.welcome{margin-top:14vh}}@media(max-width:850px){.sidebar{width:240px;padding:24px 16px}.topbar{padding:0 25px}.suggestions{flex-wrap:wrap}.welcome h1{font-size:29px}.composer-area{padding-left:20px;padding-right:20px}}@media(max-width:650px){.mobile-only{display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:280px;z-index:10;transform:translateX(-100%);transition:transform .2s;padding-top:max(24px,env(safe-area-inset-top))}.sidebar.open{transform:translateX(0)}.topbar{min-height:76px;padding:env(safe-area-inset-top) 14px 0;justify-content:flex-start}.conversation-heading{flex:1}.connection-badge{font-size:9px;padding:6px 8px}.title-button{font-size:13px}.conversation-heading .eyebrow{font-size:9px}.message-area{padding:20px 18px 0}.welcome{margin:55px auto 30px}.welcome-symbol{font-size:49px;margin-bottom:28px}.welcome h1{font-size:26px}.welcome>p:not(.eyebrow){font-size:12px}.suggestions{display:flex;flex-direction:column;gap:8px;margin:27px auto 0;max-width:270px}.suggestions button{justify-content:space-between;font-size:12px;padding:13px 15px}.composer-area{padding:8px 13px max(12px,env(safe-area-inset-bottom))}.composer{padding:14px 13px 10px;border-radius:15px}.composer-foot{font-size:9px}.message-content{font-size:14px;line-height:1.9}.message.user .message-content{max-width:93%;padding:12px 16px}.message{margin:18px 0 27px}.message-state{font-size:10px}.active-skills{margin-bottom:7px}.welcome .eyebrow{font-size:9px}.vault{padding:25px}.vault-card h1{font-size:27px}dialog{padding:20px;border-radius:18px}.two-columns{gap:10px}.two-columns label{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* --- T3 mobile web: layout, states, accessibility, dark mode --- */
html,body{max-width:100%}
.workspace{height:var(--vv-height,100dvh)}
.message-area{min-height:0}
img,svg,video{max-width:100%}
pre,code{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;max-width:100%}
button,a[href],input[type=file]{min-height:44px}
button,a[href]{min-width:44px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.connection-bar{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:9px 16px;font-size:12px;line-height:1.6;background:#f3e2dc;color:#8a3a2e;border-bottom:1px solid #e6c9c0}
.connection-bar .status-dot{background:var(--error)}
.connection-bar>span:last-child{min-width:0;overflow-wrap:anywhere}
.message-cancel{font-size:11px;padding:8px 12px;margin-top:10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}
.message-cancel:hover{background:var(--soft)}
.tag{display:inline-block;font-size:10px;font-weight:500;padding:3px 8px;border-radius:20px;margin-left:6px;vertical-align:middle}
.tag-plain{background:#f0e3d3;color:#7a4a22}
.tag-secure{background:var(--soft);color:#3f5a37}
.toast{bottom:calc(28px + var(--kb-inset,0px))}
@media(max-width:650px){
  .workspace{position:fixed;top:var(--vv-top,0px);left:0;right:0;height:var(--vv-height,100dvh)}
  label.save-only,label.check-label,.skill-row label,label.file-label{min-height:44px;min-width:44px;align-items:center}
  .save-only{gap:10px}
  .save-only input{width:20px;height:20px}
  label input:not([type=checkbox]),label textarea{min-height:44px}
  .connection-bar{font-size:11px;padding:9px 13px}
}
@media (prefers-color-scheme:dark){
  :root{--paper:#12160f;--surface:#1a1f17;--ink:#eef1e8;--muted:#a9b3a1;--line:#343b2e;--green:#8fbf8a;--green-dark:#a6d3a0;--soft:#242b1d;--error:#e79b8a;--on-green:#0d120b;--state:#c3a98a;color-scheme:dark}
  .sidebar{background:#171c12}
  .topbar{border-bottom-color:#2b3226}
  .new-chat{background:#1e2418;border-color:#39412f}
  .conversation-item:hover{background:#232a1c}
  .conversation-item.selected{background:#2c3722;color:#dbe8cd}
  .suggestions button{background:#1e2418}
  .composer{border-color:#39412f}
  .message.user .message-content{background:#242d1c}
  .cancel-button{background:#26301d}
  .scrim{background:#000000a0}
  dialog::backdrop{background:#000000a0}
  .vault{background:radial-gradient(ellipse at 35% 20%,#1d2818 0,transparent 58%)}
  .connection-bar{background:#3a211c;color:#f5c3b6;border-bottom-color:#54302a}
  .tag-plain{background:#3c2c1c;color:#ecc79a}
  .tag-secure{background:var(--soft);color:#cfe4c0}
  .toast{background:#2c4033;color:#f2f6ee}
}