:root{color-scheme:dark;--bg:#07101c;--panel:#0d1928;--line:#22334a;--text:#f7fbff;--muted:#9db0c5;--mint:#79edcf}*{box-sizing:border-box}html,body{height:100%;overflow:hidden;overscroll-behavior:none}body{margin:0;background:radial-gradient(circle at 50% -20%,#183855,transparent 45rem),var(--bg);color:var(--text);font:16px/1.45 Inter,system-ui,sans-serif}main{width:min(820px,calc(100% - 1.2rem));height:100vh;height:100dvh;margin:auto;padding-bottom:env(safe-area-inset-bottom);display:flex;flex-direction:column;overflow:hidden}header{display:flex;flex:none;justify-content:space-between;align-items:center;padding:1rem 0}header a{color:var(--mint);font-weight:900;text-decoration:none;letter-spacing:.12em}button{border:1px solid var(--line);border-radius:12px;background:#14243a;color:var(--text);padding:.7rem 1rem;font-weight:800;cursor:pointer}.welcome{flex:1;min-height:0;display:grid;place-content:center;text-align:center;padding:2rem 1rem}.welcome p{color:var(--mint);font-size:.72rem;font-weight:900;letter-spacing:.15em}.welcome h1{font-size:clamp(2rem,7vw,4rem);margin:.25rem 0}.welcome span{color:var(--muted)}.quick-prompts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;width:min(100%,34rem);margin:0 auto}.quick-prompts button{min-width:0;background:#102238;border-color:#2a4059;text-align:left}.quick-prompts button:hover,.quick-prompts button:focus-visible{border-color:var(--mint);background:#17344a;outline:none}#operator-log{flex:1;min-height:0;display:grid;align-content:start;gap:1rem;padding:1rem 0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}#operator-log:empty{display:none}.message{min-width:0;max-width:82%;border:1px solid var(--line);border-radius:18px;padding:.85rem 1rem;background:var(--panel)}.message.user{justify-self:end;background:#17344a}.message span{color:var(--mint);font-size:.68rem;font-weight:900;text-transform:uppercase}.message p{white-space:pre-wrap;margin:.3rem 0}.message a{display:block;width:max-content;max-width:100%;margin-top:.7rem;padding:.5rem .7rem;border:1px solid #79edcf55;border-radius:10px;color:var(--mint);font-weight:800}#operator-log:not(:empty)~.welcome{display:none}#operator-latest{align-self:center;position:relative;z-index:2;margin:-3.2rem 0 .5rem;background:#19334a;box-shadow:0 6px 24px #000b}#operator-latest[hidden]{display:none}form{flex:none;margin:0 0 .6rem;padding:.8rem;border:1px solid var(--line);border-radius:18px;background:rgba(13,25,40,.96);box-shadow:0 20px 60px #0008}label{position:absolute;left:-9999px}textarea{width:100%;resize:none;border:0;outline:0;background:transparent;color:var(--text);font:inherit;font-size:1.08rem;padding:.5rem}form div,form div span{display:flex;justify-content:space-between;align-items:center}form div span{gap:.7rem;flex-wrap:wrap}small{color:var(--muted)}#operator-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#operator-sync{color:var(--mint)}#operator-hint{opacity:.7}form button{background:var(--mint);color:#062219;border:0}form button:disabled{cursor:wait;opacity:.6}@media(max-width:600px){.message{max-width:92%}.welcome{padding:1rem .5rem}.quick-prompts{margin-top:0}.quick-prompts button{padding:.65rem .75rem;font-size:.85rem}form{margin-bottom:.3rem}#operator-hint{display:none}}@media(max-height:680px){.welcome h1{font-size:1.8rem}.welcome p{margin:.25rem}.quick-prompts{margin-top:.75rem}.quick-prompts button{padding:.5rem .7rem}}

.follow-ups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.45rem;margin-top:.8rem}.follow-ups button{width:100%;min-width:0;padding:.55rem .7rem;background:#102238;border-color:#2a4059;text-align:left;font-size:.82rem}.follow-ups button:hover,.follow-ups button:focus-visible{border-color:var(--mint);background:#17344a;outline:none}.header-actions{display:flex;gap:.5rem}.workboard-link{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:12px;background:#102238;padding:.7rem 1rem;letter-spacing:0;font-size:.82rem}.workboard-link:hover,.workboard-link:focus-visible{border-color:var(--mint);background:#17344a;outline:none}#conversation-history{position:fixed;z-index:10;inset:0 0 0 auto;width:min(420px,100%);padding:1rem;background:#0a1625;box-shadow:-20px 0 60px #000a;overflow:auto}#conversation-history[hidden]{display:none}#conversation-history>div{display:flex;align-items:center;justify-content:space-between;gap:1rem}#conversation-history h2{margin:.4rem 0}#history-empty{color:var(--muted)}#history-list{display:grid;gap:.6rem;margin-top:1rem}#history-list button{text-align:left;display:grid;gap:.25rem;width:100%;padding:1rem}#history-list button[aria-current="page"]{border-color:var(--mint);background:#17344a}#history-list strong{white-space:normal}#history-list span{color:var(--muted);font-size:.78rem;font-weight:500}@media(max-width:600px){header{align-items:flex-start}.header-actions{display:grid}.header-actions button,.workboard-link{padding:.55rem .7rem;font-size:.78rem}}

@media(max-width:600px){main{width:100%;padding-inline:max(.65rem,env(safe-area-inset-left)) max(.65rem,env(safe-area-inset-right))}header{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:.55rem;padding:.55rem 0 .35rem}.header-actions{display:flex;justify-content:flex-end;gap:.35rem;min-width:0;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;padding:.05rem 0 .15rem}.header-actions::-webkit-scrollbar{display:none}.header-actions button,.workboard-link{flex:0 0 auto;white-space:nowrap;padding:.42rem .58rem;border-radius:999px;font-size:.7rem}#operator-log{gap:.7rem;padding:.55rem 0 .35rem;scrollbar-gutter:auto}.message{max-width:94%;padding:.72rem .8rem;border-radius:16px}.message p{margin:.22rem 0}.follow-ups{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(10rem,78%);gap:.35rem;margin-top:.6rem;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none}.follow-ups::-webkit-scrollbar{display:none}.follow-ups button{padding:.48rem .6rem}.welcome{padding:.65rem .25rem}.welcome h1{font-size:clamp(1.9rem,11vw,2.7rem)}.quick-prompts{gap:.45rem;margin-top:0}.quick-prompts button{padding:.55rem .62rem}form{margin:0 0 .25rem;padding:.55rem .6rem;border-radius:16px}textarea{font-size:1rem;padding:.35rem .3rem;min-height:4.2rem}form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.5rem}form div span{justify-content:flex-start;gap:.42rem;min-width:0;flex-wrap:nowrap;overflow:hidden}form div span small{font-size:.7rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}form button{padding:.62rem .78rem;border-radius:12px}#operator-latest{margin:-2.6rem 0 .35rem;padding:.45rem .7rem;font-size:.74rem}}

.operator-actions{display:flex;gap:.45rem;justify-content:flex-end}.operator-actions #save-secret{background:#102238;color:#b9fbcf;border:1px solid #29485a}#secret-dialog{width:min(460px,calc(100% - 28px));border:1px solid #2a4059;border-radius:18px;background:#0a1625;color:#eef7ff;padding:0}#secret-dialog::backdrop{background:#000b;backdrop-filter:blur(3px)}#secret-form{display:grid;gap:.8rem;padding:1.2rem;margin:0}#secret-form h2,#secret-form p{margin:0}#secret-form>span,#secret-status{color:#9bb0c5}#secret-form label{display:grid;gap:.35rem;font-size:.82rem;font-weight:700}#secret-form input{width:100%;box-sizing:border-box;padding:.75rem;border:1px solid #2a4059;border-radius:10px;background:#07101c;color:#eef7ff}.secret-close{position:absolute;right:1rem;top:.8rem;background:transparent;border:0;color:#9bb0c5;font-size:1.5rem}.secret-save{background:#b9fbcf;color:#07101c}@media(max-width:600px){.operator-actions{display:grid;grid-template-columns:1fr 1fr}.operator-actions button{width:100%}}

#operator-context{flex:none;display:flex;align-items:center;gap:.45rem;min-width:0;margin:.1rem 0 .35rem;padding:.45rem .65rem;border:1px solid #284157;border-radius:12px;background:#0b1b2b;color:var(--muted)}
#operator-context[hidden]{display:none}
#operator-context small{flex:none;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
#operator-context a{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mint);font-weight:800;text-decoration:none}
#operator-context a:hover,#operator-context a:focus-visible{text-decoration:underline;outline:none}

.message-content{margin:.3rem 0;overflow-wrap:anywhere}
.message.user .message-content{white-space:pre-wrap}
.message.assistant .message-content{white-space:normal}
.message-content>:first-child{margin-top:0}
.message-content>:last-child{margin-bottom:0}
.message-content p,.message-content ul,.message-content ol,.message-content blockquote,.message-content pre{margin:.55rem 0}
.message-content ul,.message-content ol{padding-left:1.35rem}
.message-content blockquote{padding-left:.8rem;border-left:3px solid var(--line);color:#cbd5df}
.message-content code{padding:.1em .28em;border-radius:5px;background:#07101c;font:.92em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.message-content pre{max-width:100%;padding:.7rem;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#07101c}
.message-content pre code{padding:0;background:transparent}
.message-content a{display:inline;width:auto;max-width:none;margin:0;padding:0;border:0;border-radius:0;color:var(--mint);font-weight:700}
.message-content h1,.message-content h2,.message-content h3{margin:.75em 0 .35em;line-height:1.25}
.message-content h1{font-size:1.28em}
.message-content h2{font-size:1.16em}
.message-content h3{font-size:1.06em}
.message .message-action{display:block;width:max-content;max-width:100%;margin-top:.7rem;padding:.5rem .7rem;border:1px solid #79edcf55;border-radius:10px;color:var(--mint);font-weight:800}

.operator-brand{display:inline-flex;align-items:center;gap:.45rem;min-width:0}
.operator-mini-spinner{position:relative;display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:50%;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab;filter:drop-shadow(0 5px 10px #0007);transition:transform 160ms ease,filter 160ms ease}
.operator-mini-spinner:hover{transform:translateY(-1px) scale(1.04);filter:drop-shadow(0 7px 14px #0008)}
.operator-mini-spinner:active{cursor:grabbing}
.operator-mini-spinner:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.operator-mini-spinner__canvas{display:block;width:100%;height:100%;border-radius:50%;opacity:0;transition:opacity 180ms ease}
.operator-mini-spinner[data-logo-ready="true"] .operator-mini-spinner__canvas{opacity:1}
.operator-mini-spinner__fallback{position:absolute;inset:5px;border:2px solid #d8aa3e;border-radius:50%;background:radial-gradient(circle at 36% 28%,#e0ffff 0 8%,#3ecfd6 20%,#0d7074 50%,#07111f 78%);box-shadow:inset 0 0 0 2px #fff0b052,0 0 10px #22d3ee18;transition:opacity 180ms ease}
.operator-mini-spinner[data-logo-ready="true"] .operator-mini-spinner__fallback{opacity:0}
@media(max-width:600px){.operator-mini-spinner{width:38px;height:38px;flex-basis:38px}.operator-brand{gap:.35rem}}


/* Conversation branching */
.message-branch-tools{display:flex;align-items:center;justify-content:space-between;gap:.55rem;margin-top:.7rem;padding-top:.55rem;border-top:1px solid #22334a88}
.message-branch-tools>button,.message-branch-tools span button{padding:.34rem .5rem;border-radius:9px;background:#0b1b2b;color:var(--muted);font-size:.7rem}
.message-branch-tools>button:hover,.message-branch-tools>button:focus-visible,.message-branch-tools span button:hover,.message-branch-tools span button:focus-visible{border-color:var(--mint);color:var(--text);outline:none}
.message-branch-tools span{display:flex;align-items:center;gap:.28rem}
.message-branch-tools small{min-width:2.5rem;text-align:center;font-size:.68rem}
#conversation-tree{position:fixed;z-index:11;inset:0 0 0 auto;width:min(520px,100%);padding:1rem;background:#0a1625;box-shadow:-20px 0 60px #000a;overflow:auto}
#conversation-tree[hidden]{display:none}
#conversation-tree>div{display:flex;align-items:center;justify-content:space-between;gap:1rem}
#conversation-tree h2{margin:.15rem 0 .4rem}
#conversation-tree>p{color:var(--muted);margin:.2rem 0 1rem}
#conversation-tree-list{display:grid;gap:.35rem}
.tree-node{position:relative;display:grid;gap:.12rem;width:calc(100% - min(calc(var(--tree-depth) * 1rem),8rem));margin-left:min(calc(var(--tree-depth) * 1rem),8rem);padding:.65rem .75rem;text-align:left;background:#102238}
.tree-node::before{content:"";position:absolute;left:-.55rem;top:50%;width:.45rem;border-top:1px solid #35506a}
.tree-node[data-active-path="true"]{border-color:#4f8e86;background:#112d38}
.tree-node[aria-current="true"]{border-color:var(--mint);box-shadow:0 0 0 1px #79edcf33}
.tree-node span{color:var(--mint);font-size:.62rem;text-transform:uppercase;letter-spacing:.08em}
.tree-node strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.78rem}
@media(max-width:600px){.message-branch-tools{gap:.35rem}.message-branch-tools>button{padding:.3rem .45rem}.tree-node{width:calc(100% - min(calc(var(--tree-depth) * .7rem),5rem));margin-left:min(calc(var(--tree-depth) * .7rem),5rem)}}

/* Empty conversations give the Portal room to breathe; it yields to the chat as soon as messages exist. */
.operator-empty-portal{flex:1;min-height:0;display:grid;place-items:center;pointer-events:none;overflow:hidden;transition:opacity .28s ease,transform .42s cubic-bezier(.2,.8,.2,1)}
.operator-empty-portal__spinner{position:relative;display:grid;place-items:center;width:clamp(150px,28vw,230px);height:clamp(150px,28vw,230px);border-radius:50%;filter:drop-shadow(0 20px 38px #0009);animation:operator-empty-breathe 5s ease-in-out infinite}
.operator-empty-portal__canvas{display:block;width:100%;height:100%;border-radius:50%;opacity:0;transition:opacity .3s ease}
.operator-empty-portal__spinner[data-logo-ready="true"] .operator-empty-portal__canvas{opacity:1}
.operator-empty-portal__fallback{position:absolute;inset:12%;border:3px solid #d8aa3e;border-radius:50%;background:radial-gradient(circle at 36% 28%,#e0ffff 0 8%,#3ecfd6 20%,#0d7074 50%,#07111f 78%);box-shadow:inset 0 0 0 2px #fff0b052,0 0 42px #22d3ee28;transition:opacity .3s ease}
.operator-empty-portal__spinner[data-logo-ready="true"] .operator-empty-portal__fallback{opacity:0}
#operator-log:not(:empty)~.operator-empty-portal{display:none}
#operator-log:empty~.welcome{flex:0 0 auto;padding:0 1rem 1.2rem}
@keyframes operator-empty-breathe{0%,100%{transform:scale(.98)}50%{transform:scale(1.035)}}
@media(max-width:600px){.operator-empty-portal__spinner{width:clamp(132px,42vw,190px);height:clamp(132px,42vw,190px)}#operator-log:empty~.welcome{padding:0 .25rem .7rem}}
@media(prefers-reduced-motion:reduce){.operator-empty-portal__spinner{animation:none}}