:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#17191d;
  background:#f5f6f8;
  font-synthesis:none;
  --bg:#f5f6f8;
  --panel:#ffffff;
  --panel-soft:#f8f9fb;
  --line:#e5e8ed;
  --line-strong:#d9dee6;
  --text:#17191d;
  --muted:#6f7782;
  --muted-2:#939aa4;
  --ink:#1d2025;
  --ink-soft:#30343a;
  --accent:#111317;
  --success:#16794b;
  --success-bg:#eef8f2;
  --warning:#8b6112;
  --warning-bg:#fff8e8;
  --danger:#b42318;
  --danger-bg:#fff2f0;
  --shadow:0 18px 48px rgba(20,25,32,.10);
  --soft-shadow:0 8px 28px rgba(20,25,32,.06);
  --sidebar:286px;
  --content:880px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);overflow:hidden}
button,input,textarea{font:inherit}
button{color:inherit}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #8fa6c7;outline-offset:2px}
.hidden{display:none!important}

.app-shell{height:100vh;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);background:var(--bg)}
.sidebar{position:relative;z-index:20;display:flex;flex-direction:column;min-width:0;background:var(--panel);border-right:1px solid var(--line);padding:16px 13px 13px;transition:width .2s ease,transform .2s ease}
.brand-row{display:flex;align-items:center;gap:10px;padding:2px 4px 14px}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--accent);color:#fff;font-weight:750;box-shadow:0 5px 12px rgba(17,19,23,.12)}
.brand-copy{display:flex;flex:1;min-width:0;flex-direction:column;gap:1px}
.brand-copy strong{font-size:14px;letter-spacing:-.01em}
.brand-copy span{font-size:10.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.icon-btn{display:grid;place-items:center;min-width:32px;height:32px;padding:0 9px;border:1px solid transparent;border-radius:9px;background:transparent;color:#606873;cursor:pointer}
.icon-btn:hover{background:#f3f5f7;border-color:#e8ebef;color:#25292e}

.new-chat-btn{width:100%;height:42px;display:flex;align-items:center;gap:9px;border:1px solid #17191d;border-radius:11px;background:#17191d;color:#fff;padding:0 11px;cursor:pointer;font-weight:650;font-size:13px;box-shadow:0 4px 12px rgba(20,22,26,.10)}
.new-chat-btn:hover{background:#25282d}
.new-chat-btn .plus{font-size:20px;font-weight:350;line-height:1}
kbd{border:1px solid #dfe3e9;border-bottom-color:#d2d7df;border-radius:5px;padding:1px 5px;background:#f7f8fa;color:#8a919a;font-size:9px;font-family:inherit;box-shadow:0 1px 0 #fff}
.new-chat-btn kbd{margin-left:auto;background:#2f3338;border-color:#42474d;color:#d8dde4;box-shadow:none}

.search-box{margin:12px 0 9px;display:flex;align-items:center;height:36px;border:1px solid var(--line);border-radius:10px;background:#fafbfc;padding:0 9px;gap:7px}
.search-box:focus-within{background:#fff;border-color:#cdd3dc;box-shadow:0 0 0 3px rgba(93,113,145,.08)}
.search-icon{width:13px;height:13px;border:1.5px solid #838b95;border-radius:50%;position:relative;flex:none}
.search-icon:after{content:"";position:absolute;width:5px;height:1.5px;background:#838b95;right:-4px;bottom:-2px;transform:rotate(45deg);border-radius:2px}
.search-box input{width:100%;min-width:0;border:0;outline:0;background:transparent;font-size:12px;color:#333840}
.search-box input::placeholder{color:#9aa1aa}

.conversation-list{flex:1;min-height:0;overflow:auto;padding:2px 0 10px;scrollbar-width:thin;scrollbar-color:#dce0e6 transparent}
.conv-group{margin:13px 0 5px}
.conv-group-title{padding:0 8px 5px;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#a0a6ae}
.conv-item{position:relative;display:flex;align-items:center;gap:6px;width:100%;min-height:37px;border:0;border-radius:9px;background:transparent;padding:0 5px 0 9px;color:#444a52;cursor:pointer;text-align:left}
.conv-item:hover{background:#f4f5f7;color:#25292f}
.conv-item.active{background:#eceff3;color:#17191d}
.conv-item.pinned .conv-title:before{content:"";display:inline-block;width:5px;height:5px;margin:0 6px 2px 0;border-radius:50%;background:#626a75}
.conv-title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12.5px;line-height:37px}
.conv-more{opacity:0;display:grid;place-items:center;width:26px;height:26px;border:0;background:transparent;border-radius:7px;color:#737b85;cursor:pointer}
.conv-item:hover .conv-more,.conv-item.active .conv-more{opacity:1}
.conv-more:hover{background:#e2e6eb;color:#272c32}
.empty-list{padding:25px 12px;text-align:center;color:#9aa1aa;font-size:12px;line-height:1.5}

.sidebar-footer{border-top:1px solid var(--line);padding:11px 4px 0}
.identity-card{display:flex;align-items:center;gap:9px;padding:6px;border-radius:10px}
.identity-avatar{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;background:#eceff3;color:#3c4249;font-size:12px;font-weight:750;flex:none}
.identity-copy{min-width:0;display:flex;flex-direction:column;gap:2px}
.identity-copy strong{font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.identity-copy span{font-size:10px;color:#8a929c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.workspace{min-width:0;height:100vh;display:flex;flex-direction:column;background:#f7f8fa}
.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 22px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);position:relative;z-index:10}
.topbar-left,.topbar-actions,.title-row{display:flex;align-items:center}
.topbar-left{gap:10px;min-width:0}
.conversation-heading{min-width:0}
.title-row{gap:8px}
.title-row h1{margin:0;max-width:min(44vw,520px);font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}
.run-status{margin-top:2px;font-size:10.5px;color:#8a929c;white-space:nowrap}
.live-dot{width:7px;height:7px;border-radius:50%;background:#b6bdc6;box-shadow:0 0 0 3px rgba(182,189,198,.14)}
.live-dot.live{background:#2b7b57;box-shadow:0 0 0 3px rgba(43,123,87,.13);animation:pulseDot 1.7s ease-in-out infinite}
.live-dot.waiting{background:#ba7b1f;box-shadow:0 0 0 3px rgba(186,123,31,.13)}
.live-dot.error{background:#bd3e35;box-shadow:0 0 0 3px rgba(189,62,53,.13)}
@keyframes pulseDot{0%,100%{opacity:.55}50%{opacity:1}}
.topbar-actions{gap:7px;flex:none}
.context-chip,.toolbar-btn{height:31px;display:flex;align-items:center;border-radius:9px;border:1px solid var(--line);background:#fff;color:#505760;padding:0 9px;font-size:10.5px;white-space:nowrap}
.context-chip.secondary{background:#f7f8fa;color:#737b85}
.toolbar-btn{cursor:pointer;gap:7px;font-weight:600}
.toolbar-btn:hover{background:#f5f6f8}
.count-badge{min-width:17px;height:17px;display:grid;place-items:center;border-radius:6px;background:#eceff3;color:#555d67;font-size:9px}
.mobile-sidebar-btn{display:none}

.messages{flex:1;min-height:0;overflow:auto;padding:34px max(22px,calc((100% - var(--content))/2)) 42px;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#d8dde4 transparent}
.empty-state{max-width:720px;margin:11vh auto 0;text-align:center}
.empty-orb{position:relative;width:60px;height:60px;margin:0 auto 18px;display:grid;place-items:center;border-radius:18px;background:#17191d;color:#fff;font-size:17px;font-weight:760;box-shadow:0 14px 34px rgba(20,22,26,.15)}
.empty-orb:before{content:"";position:absolute;inset:-8px;border-radius:24px;border:1px solid rgba(51,57,65,.10);animation:orbBreathe 3.1s ease-in-out infinite}
@keyframes orbBreathe{0%,100%{transform:scale(.96);opacity:.45}50%{transform:scale(1.06);opacity:1}}
.empty-state h2{margin:0;color:#1b1e22;font-size:28px;font-weight:720;letter-spacing:-.035em}
.empty-state p{max-width:590px;margin:10px auto 24px;color:#777f89;font-size:13.5px;line-height:1.65}
.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;max-width:650px;margin:0 auto;text-align:left}
.suggestion{border:1px solid var(--line);background:#fff;border-radius:13px;padding:13px 14px;cursor:pointer;box-shadow:0 4px 16px rgba(25,30,38,.025);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}
.suggestion:hover{transform:translateY(-1px);border-color:#cfd5de;box-shadow:0 8px 22px rgba(25,30,38,.055)}
.suggestion strong{display:block;font-size:12px;margin-bottom:4px;color:#32373e}
.suggestion span{display:block;font-size:10.5px;line-height:1.45;color:#9097a0}

.message-row{display:flex;margin:0 0 22px;animation:messageIn .18s ease-out}
@keyframes messageIn{from{opacity:.45;transform:translateY(4px)}to{opacity:1;transform:none}}
.message-row.user{justify-content:flex-end}
.message-shell{max-width:82%;min-width:0;position:relative}
.message-row.assistant .message-shell{width:min(100%,780px)}
.message-bubble{font-size:13.5px;line-height:1.68;word-break:break-word}
.user .message-bubble{padding:10px 13px;border-radius:15px 15px 5px 15px;background:#1b1e22;color:#fff;white-space:pre-wrap;box-shadow:0 4px 12px rgba(20,22,26,.08)}
.assistant .message-bubble{padding:1px 2px;color:#282d33;white-space:pre-wrap}
.message-meta{display:flex;gap:5px;align-items:center;margin-top:6px;opacity:0;transition:opacity .12s ease}
.message-row:hover .message-meta{opacity:1}
.user .message-meta{justify-content:flex-end}
.message-action{height:24px;border:0;background:transparent;border-radius:7px;padding:0 6px;color:#9299a2;font-size:10px;cursor:pointer}
.message-action:hover{background:#eceff3;color:#4c535d}

.stream-fragment{display:inline;animation:streamReveal 145ms cubic-bezier(.2,.75,.25,1) both}
@keyframes streamReveal{from{opacity:.18;filter:blur(1.2px);transform:translateY(1.5px)}to{opacity:1;filter:blur(0);transform:none}}
.stream-caret{display:inline-block;width:2px;height:1.05em;margin-left:2px;border-radius:2px;background:#323840;vertical-align:-2px;animation:caretGlow .82s ease-in-out infinite}
@keyframes caretGlow{0%,100%{opacity:.18}50%{opacity:.95}}

.activity-stack{width:min(100%,780px);margin:-8px 0 18px 0;display:flex;flex-direction:column;gap:7px}
.activity-card{border:1px solid var(--line);border-radius:11px;background:#fff;overflow:hidden;box-shadow:0 3px 14px rgba(25,30,38,.025)}
.activity-main{min-height:40px;display:flex;align-items:center;gap:9px;padding:8px 10px}
.activity-icon{width:25px;height:25px;display:grid;place-items:center;border-radius:7px;background:#eef1f4;color:#535b65;font-size:9px;font-weight:750;flex:none}
.activity-copy{flex:1;min-width:0}
.activity-copy strong{display:block;font-size:11.5px;font-weight:650;color:#40464e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.activity-copy span{display:block;margin-top:1px;font-size:9.5px;color:#949ba4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.activity-state{font-size:9.5px;color:#7a828c;white-space:nowrap}
.activity-state.running:after{content:"";display:inline-block;width:10px;height:10px;margin-left:6px;border:1.5px solid #d0d5dc;border-top-color:#555d66;border-radius:50%;vertical-align:-2px;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.activity-details{display:none;border-top:1px solid #edf0f3;background:#fafbfc;padding:9px 11px;font-size:10px;line-height:1.55;color:#6d7580;white-space:pre-wrap;max-height:190px;overflow:auto}
.activity-card.expandable{cursor:pointer}
.activity-card.expanded .activity-details{display:block}

.approval-tray{padding:0 max(22px,calc((100% - var(--content))/2)) 10px}
.approval-card{display:flex;align-items:flex-start;gap:12px;padding:13px 14px;border:1px solid #ead7a8;border-radius:13px;background:var(--warning-bg);box-shadow:0 4px 18px rgba(77,58,18,.04)}
.approval-shield{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#fff3cd;border:1px solid #ead8a7;color:#8c6417;font-size:11px;font-weight:750;flex:none}
.approval-copy{flex:1;min-width:0}
.approval-copy strong{display:block;font-size:12px;color:#594a29}
.approval-copy p{margin:3px 0 0;font-size:10.5px;line-height:1.45;color:#8b7548}
.approval-copy code{display:block;margin-top:7px;max-height:90px;overflow:auto;padding:7px 8px;border-radius:8px;background:rgba(255,255,255,.65);font:9.5px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;color:#725d32;white-space:pre-wrap}
.approval-actions{display:flex;gap:6px;flex:none}
.approval-actions button{height:31px;border-radius:8px;padding:0 10px;cursor:pointer;font-size:10.5px;font-weight:650}
.approval-reject{border:1px solid #dbc897;background:#fffaf0;color:#765d2a}
.approval-approve{border:1px solid #292c31;background:#292c31;color:#fff}

.composer-zone{position:relative;padding:8px max(22px,calc((100% - var(--content))/2)) 16px;background:linear-gradient(to bottom,rgba(247,248,250,0),#f7f8fa 18%,#f7f8fa)}
.context-bar{display:flex;gap:6px;margin:0 0 6px 7px;min-height:22px}
.mini-chip{display:flex;align-items:center;height:21px;padding:0 8px;border-radius:7px;border:1px solid #e1e5ea;background:#fff;color:#626a74;font-size:9.5px}
.mini-chip.muted{background:#f7f8fa;color:#9299a2}
.composer-box{border:1px solid #d8dde4;border-radius:16px;background:#fff;padding:9px 9px 8px;box-shadow:0 10px 34px rgba(22,27,34,.07);transition:border-color .15s ease,box-shadow .15s ease}
.composer-box:focus-within{border-color:#bfc7d2;box-shadow:0 10px 34px rgba(22,27,34,.075),0 0 0 3px rgba(89,111,145,.05)}
.composer-box textarea{display:block;width:100%;min-height:38px;max-height:180px;resize:none;border:0;outline:0;background:transparent;padding:5px 6px 8px;color:#272c32;font:13.5px/1.5 inherit}
.composer-box textarea::placeholder{color:#a2a8b0}
.composer-controls{display:flex;align-items:center;justify-content:space-between;gap:8px}
.composer-left{display:flex;align-items:center;gap:8px}
.composer-icon{width:29px;height:29px;border:1px solid #e5e8ec;background:#f9fafb;border-radius:8px;color:#6e7680;cursor:pointer;font-size:11px}
.composer-icon:hover{background:#f1f3f5;color:#363b42}
.composer-note{font-size:9.5px;color:#a0a6ae}
.send-btn,.stop-btn{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;cursor:pointer}
.send-btn{border:0;background:#17191d;color:#fff;font-size:16px;transition:transform .1s ease,background .1s ease}
.send-btn:hover{background:#292d32;transform:translateY(-1px)}
.send-btn:disabled{background:#c9ced5;cursor:not-allowed;transform:none}
.stop-btn{border:1px solid #d7dce2;background:#fff}
.stop-btn span{width:9px;height:9px;border-radius:2px;background:#3e444b}
.composer-hint{display:flex;justify-content:space-between;gap:12px;margin:6px 4px 0;color:#a0a7b0;font-size:9px}

.modal-backdrop{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;background:rgba(25,29,35,.23);backdrop-filter:blur(4px)}
.modal-card{width:min(760px,calc(100vw - 30px));max-height:min(720px,calc(100vh - 40px));overflow:hidden;border:1px solid #dce1e7;border-radius:18px;background:#fff;box-shadow:var(--shadow);animation:modalIn .16s ease-out}
@keyframes modalIn{from{opacity:.45;transform:translateY(7px) scale(.99)}to{opacity:1;transform:none}}
.modal-head{display:flex;justify-content:space-between;gap:20px;padding:18px 19px 14px;border-bottom:1px solid var(--line)}
.modal-head h2{margin:3px 0 3px;font-size:17px;letter-spacing:-.02em}
.modal-head p{margin:0;color:#8b929b;font-size:10.5px;line-height:1.5}
.eyebrow{font-size:9px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;color:#a0a6ae}
.tool-search-wrap{padding:12px 16px 5px}
.tool-search-wrap input{width:100%;height:36px;border:1px solid var(--line);border-radius:10px;background:#fafbfc;padding:0 11px;outline:0;font-size:11.5px}
.tool-search-wrap input:focus{background:#fff;border-color:#c8ced7}
.tools-grid{padding:8px 16px 17px;max-height:520px;overflow:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.tool-card{padding:11px;border:1px solid var(--line);border-radius:11px;background:#fff}
.tool-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.tool-name{font-size:11.5px;font-weight:700;color:#3a4047;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-risk{padding:2px 6px;border-radius:6px;background:#f1f3f5;color:#7a828c;font-size:8.5px;text-transform:capitalize}
.tool-meta{margin-top:3px;font-size:9px;color:#969da6}
.tool-desc{margin-top:7px;font-size:10px;line-height:1.5;color:#737b85}

.popover{position:fixed;z-index:70;width:170px;padding:5px;border:1px solid #dfe3e8;border-radius:10px;background:#fff;box-shadow:0 12px 32px rgba(20,25,32,.13)}
.popover button{width:100%;height:32px;border:0;background:transparent;border-radius:7px;text-align:left;padding:0 9px;font-size:11px;color:#4c535c;cursor:pointer}
.popover button:hover{background:#f2f4f6;color:#24282e}
.popover-separator{height:1px;background:#eceef1;margin:4px}
.danger-text{color:var(--danger)!important}

.backdrop{position:fixed;inset:0;z-index:15;background:rgba(20,25,32,.18)}
.toast-region{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:7px}
.toast{min-width:220px;max-width:360px;padding:10px 12px;border:1px solid #dfe3e8;border-radius:10px;background:#fff;box-shadow:0 10px 30px rgba(20,25,32,.11);font-size:10.5px;color:#555d67;animation:toastIn .16s ease-out}
.toast.error{border-color:#eed1cd;background:#fff8f7;color:#94463f}
@keyframes toastIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

body.sidebar-collapsed .app-shell{grid-template-columns:74px minmax(0,1fr)}
body.sidebar-collapsed .brand-copy,
body.sidebar-collapsed .new-chat-btn span:not(.plus),
body.sidebar-collapsed .new-chat-btn kbd,
body.sidebar-collapsed .search-box input,
body.sidebar-collapsed .search-box kbd,
body.sidebar-collapsed .conv-group-title,
body.sidebar-collapsed .conv-title,
body.sidebar-collapsed .conv-more,
body.sidebar-collapsed .identity-copy{display:none}
body.sidebar-collapsed .brand-row{justify-content:center;flex-wrap:wrap}
body.sidebar-collapsed .brand-row .icon-btn{width:100%;order:2}
body.sidebar-collapsed .new-chat-btn{justify-content:center;padding:0}
body.sidebar-collapsed .search-box{justify-content:center;padding:0}
body.sidebar-collapsed .conv-item{justify-content:center;padding:0}
body.sidebar-collapsed .conv-item:before{content:"";width:7px;height:7px;border-radius:50%;background:#aab0b8}
body.sidebar-collapsed .conv-item.active:before{background:#383e45}
body.sidebar-collapsed .identity-card{justify-content:center}

@media(max-width:980px){
  .context-chip.secondary{display:none}
  .composer-hint span:last-child{display:none}
}
@media(max-width:760px){
  .app-shell{display:block}
  .sidebar{position:fixed;top:0;bottom:0;left:0;width:min(300px,86vw);transform:translateX(-102%);box-shadow:var(--shadow)}
  body.mobile-sidebar-open .sidebar{transform:translateX(0)}
  body.sidebar-collapsed .app-shell{display:block}
  body.sidebar-collapsed .brand-copy,body.sidebar-collapsed .new-chat-btn span:not(.plus),body.sidebar-collapsed .new-chat-btn kbd,body.sidebar-collapsed .search-box input,body.sidebar-collapsed .search-box kbd,body.sidebar-collapsed .conv-group-title,body.sidebar-collapsed .conv-title,body.sidebar-collapsed .conv-more,body.sidebar-collapsed .identity-copy{display:initial}
  body.sidebar-collapsed .brand-row{justify-content:initial;flex-wrap:nowrap}
  body.sidebar-collapsed .brand-row .icon-btn{width:32px;order:initial}
  body.sidebar-collapsed .new-chat-btn{justify-content:initial;padding:0 11px}
  body.sidebar-collapsed .search-box{justify-content:initial;padding:0 9px}
  body.sidebar-collapsed .conv-item{justify-content:initial;padding:0 5px 0 9px}
  body.sidebar-collapsed .conv-item:before{display:none}
  body.sidebar-collapsed .identity-card{justify-content:initial}
  .desktop-only{display:none}
  .mobile-sidebar-btn{display:grid}
  .topbar{padding:0 12px}
  .topbar-actions .context-chip{display:none}
  .messages{padding:26px 14px 34px}
  .composer-zone,.approval-tray{padding-left:12px;padding-right:12px}
  .message-shell{max-width:92%}
  .suggestions{grid-template-columns:1fr}
  .empty-state{margin-top:7vh}
  .empty-state h2{font-size:24px}
  .tools-grid{grid-template-columns:1fr}
  .composer-hint{display:none}
}

@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}
}

/* --------------------------------------------------------------------------
   v0.3 — Cinematic reveal + adaptive appearance
   -------------------------------------------------------------------------- */

:root{
  color-scheme:light;
  --workspace:#f7f8fa;
  --topbar:rgba(255,255,255,.92);
  --field-a:rgba(115,139,184,.11);
  --field-b:rgba(160,126,193,.08);
  --glass:rgba(255,255,255,.78);
  --code-bg:#f6f8fa;
  --code-border:#e1e5ea;
  --user-bubble:#1b1e22;
  --user-text:#ffffff;
  --focus-ring:#8fa6c7;
  --magic:#6f7fa9;
  --magic-strong:#556a9f;
  --magic-soft:rgba(95,116,169,.16);
}

[data-theme="dark"]{
  color-scheme:dark;
  color:#eef1f5;
  background:#0f1115;
  --bg:#0f1115;
  --workspace:#111419;
  --panel:#15191f;
  --panel-soft:#191e25;
  --line:#252b34;
  --line-strong:#313946;
  --text:#edf0f4;
  --muted:#a1a9b4;
  --muted-2:#7e8794;
  --ink:#f2f4f7;
  --ink-soft:#dce1e7;
  --accent:#f1f3f6;
  --success:#62c596;
  --success-bg:#12231b;
  --warning:#e3b863;
  --warning-bg:#271f11;
  --danger:#f0746c;
  --danger-bg:#2a1717;
  --shadow:0 18px 52px rgba(0,0,0,.42);
  --soft-shadow:0 8px 30px rgba(0,0,0,.30);
  --topbar:rgba(18,21,26,.88);
  --field-a:rgba(92,117,180,.14);
  --field-b:rgba(149,100,190,.10);
  --glass:rgba(20,24,30,.78);
  --code-bg:#171c23;
  --code-border:#2b323c;
  --user-bubble:#edf0f4;
  --user-text:#15181d;
  --focus-ring:#7589b7;
  --magic:#9badde;
  --magic-strong:#b6c5f0;
  --magic-soft:rgba(125,149,211,.20);
}

body{position:relative;background:var(--bg);transition:background .25s ease,color .25s ease}
.workspace{background:var(--workspace);transition:background .25s ease}
.topbar{background:var(--topbar)}

.ambient-field{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden;opacity:.74;transition:opacity .4s ease}
.ambient-orb{position:absolute;width:54vw;height:54vw;border-radius:50%;filter:blur(100px);opacity:.26;transform:translate3d(0,0,0);transition:opacity .8s ease,transform 1.2s cubic-bezier(.2,.7,.2,1)}
.ambient-one{right:-20vw;top:-28vw;background:radial-gradient(circle,var(--field-a),transparent 68%)}
.ambient-two{left:-28vw;bottom:-36vw;background:radial-gradient(circle,var(--field-b),transparent 68%)}
.ambient-grain{position:absolute;inset:0;opacity:.018;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E")}
body[data-ai-state="live"] .ambient-one{opacity:.48;transform:translate3d(-2vw,3vw,0) scale(1.08)}
body[data-ai-state="live"] .ambient-two{opacity:.34;transform:translate3d(3vw,-2vw,0) scale(1.05)}
body.ai-revealing .ambient-one{opacity:.72;transform:translate3d(-5vw,5vw,0) scale(1.16)}
body.ai-revealing .ambient-two{opacity:.48;transform:translate3d(4vw,-4vw,0) scale(1.12)}
.app-shell{position:relative;z-index:1}

.brand-mark{position:relative;overflow:visible;transition:transform .28s ease,box-shadow .28s ease,background .25s ease,color .25s ease}
.brand-mark span{position:relative;z-index:2}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;inset:-5px;border-radius:14px;border:1px solid transparent;opacity:0;transform:scale(.86)}
body[data-ai-state="live"] .brand-mark:before,body.ai-revealing .brand-mark:before{border-color:var(--magic-soft);opacity:1;animation:brandWave 2.1s ease-out infinite}
body.ai-revealing .brand-mark:after{inset:-10px;border-color:var(--magic-soft);opacity:.55;animation:brandWave 2.1s .7s ease-out infinite}
body.ai-revealing .brand-mark{box-shadow:0 7px 20px var(--magic-soft);transform:translateY(-1px)}
@keyframes brandWave{0%{opacity:.8;transform:scale(.86)}75%,100%{opacity:0;transform:scale(1.35)}}

.empty-orb{overflow:visible}
.empty-orb span{position:relative;z-index:2}
.empty-orb:after{content:"";position:absolute;inset:-17px;border-radius:31px;background:radial-gradient(circle,var(--magic-soft),transparent 68%);filter:blur(4px);opacity:.65;animation:orbAura 4.4s ease-in-out infinite}
@keyframes orbAura{0%,100%{opacity:.28;transform:scale(.82) rotate(0)}50%{opacity:.8;transform:scale(1.12) rotate(12deg)}}
.empty-footnote{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:20px;color:var(--muted-2);font-size:9.5px}
.magic-dot{width:5px;height:5px;border-radius:50%;background:var(--magic);box-shadow:0 0 0 4px var(--magic-soft)}

/* The response is buffered while the model runs. Once complete, one visible
   character at a time is animated while all older characters are committed
   to a single text node. This keeps DOM growth constant for long answers. */
.reveal-committed{white-space:pre-wrap}
.reveal-char{display:inline;white-space:pre-wrap;animation:characterMaterialize 360ms cubic-bezier(.16,.76,.2,1) both;text-shadow:0 0 15px var(--magic-soft)}
@keyframes characterMaterialize{
  0%{opacity:0;filter:blur(3.2px);text-shadow:0 0 18px var(--magic);}
  28%{opacity:.72;filter:blur(1.5px);text-shadow:0 0 12px var(--magic);}
  100%{opacity:1;filter:blur(0);text-shadow:0 0 0 transparent;}
}
.stream-caret{background:var(--magic-strong);box-shadow:0 0 9px var(--magic-soft),0 0 18px var(--magic-soft);animation:magicCaret 1.05s ease-in-out infinite}
@keyframes magicCaret{0%,100%{opacity:.22;transform:scaleY(.78)}50%{opacity:1;transform:scaleY(1.08)}}
.reveal-finished{animation:answerSettle .5s ease-out}
@keyframes answerSettle{0%{filter:brightness(1.08);text-shadow:0 0 10px var(--magic-soft)}100%{filter:none;text-shadow:none}}

.reveal-bar{display:flex;align-items:center;gap:10px;margin:0 0 7px;padding:8px 9px;border:1px solid color-mix(in srgb,var(--magic) 26%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--panel) 88%,var(--magic-soft));box-shadow:0 8px 28px var(--magic-soft);backdrop-filter:blur(14px);animation:revealBarIn .26s ease-out}
@keyframes revealBarIn{from{opacity:0;transform:translateY(5px) scale(.995)}to{opacity:1;transform:none}}
.reveal-spark{width:28px;height:28px;display:grid;place-items:center;flex:none;border-radius:9px;background:var(--magic-soft);position:relative;overflow:hidden}
.reveal-spark span{width:7px;height:7px;border-radius:50%;background:var(--magic-strong);box-shadow:0 0 11px var(--magic);animation:sparkBreathe 1.45s ease-in-out infinite}
.reveal-spark:after{content:"";position:absolute;width:17px;height:17px;border:1px solid var(--magic);border-radius:50%;opacity:.34;animation:sparkRing 1.45s ease-out infinite}
@keyframes sparkBreathe{0%,100%{transform:scale(.75);opacity:.5}50%{transform:scale(1.15);opacity:1}}
@keyframes sparkRing{0%{transform:scale(.45);opacity:.62}100%{transform:scale(1.35);opacity:0}}
.reveal-copy{flex:1;min-width:80px}
.reveal-copy strong{display:block;margin-bottom:4px;font-size:10.5px;color:var(--text)}
.reveal-track{height:2px;border-radius:10px;background:var(--line);overflow:hidden}
.reveal-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--magic),var(--magic-strong));transition:width .12s linear;box-shadow:0 0 8px var(--magic-soft)}
.reveal-percent{min-width:33px;text-align:right;color:var(--muted-2);font-size:9.5px;font-variant-numeric:tabular-nums}
.reveal-control{height:28px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);padding:0 9px;font-size:9.5px;font-weight:650;cursor:pointer}
.reveal-control:hover{border-color:var(--line-strong);color:var(--text)}
.reveal-control.primary{background:var(--text);border-color:var(--text);color:var(--panel)}

.composer-box.locked{opacity:.82}
.composer-box.locked textarea{cursor:not-allowed}

.inline-code{padding:1px 4px;border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:5px;background:var(--code-bg);color:var(--text);font:11px ui-monospace,SFMono-Regular,Menlo,monospace}
.code-block{margin:10px 0;padding:11px 12px;border:1px solid var(--code-border);border-radius:10px;background:var(--code-bg);color:var(--text);overflow:auto;font:11px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre}
.rich-heading{display:block;color:var(--text)}
.rich-heading.h3{margin:14px 0 4px;font-size:14px}
.rich-heading.h2{margin:16px 0 5px;font-size:15px}
.rich-heading.h1{margin:17px 0 6px;font-size:17px}

.appearance-btn.active,.focus-btn.active{background:var(--panel-soft);border-color:var(--line-strong);color:var(--text)}
.appearance-menu{width:246px;padding:7px}
.appearance-menu .popover-label{padding:7px 9px 4px;color:var(--muted-2);font-size:8.5px;font-weight:760;letter-spacing:.08em;text-transform:uppercase}
.appearance-menu button{height:auto;min-height:42px;display:grid;grid-template-columns:1fr auto;align-items:center;padding:7px 9px}
.appearance-menu button span{font-weight:650;color:var(--text)}
.appearance-menu button small{grid-column:1;display:block;margin-top:2px;color:var(--muted-2);font-size:9px}
.appearance-menu button:after{grid-column:2;grid-row:1 / span 2;content:"";width:7px;height:7px;border-radius:50%;background:transparent}
.appearance-menu button.selected:after{background:var(--magic-strong);box-shadow:0 0 0 4px var(--magic-soft)}

body.focus-mode .app-shell{grid-template-columns:minmax(0,1fr)}
body.focus-mode .sidebar{display:none}
body.focus-mode .workspace{width:100%}
body.focus-mode .messages{padding-left:max(28px,calc((100% - 920px)/2));padding-right:max(28px,calc((100% - 920px)/2))}
body.focus-mode .composer-zone,body.focus-mode .approval-tray{padding-left:max(28px,calc((100% - 920px)/2));padding-right:max(28px,calc((100% - 920px)/2))}

/* Dark-mode refinements for v0.2 components that used literal light colors. */
[data-theme="dark"] .sidebar{background:var(--panel)}
[data-theme="dark"] .brand-mark{background:#eef1f5;color:#12151a;box-shadow:0 6px 16px rgba(0,0,0,.25)}
[data-theme="dark"] .icon-btn{color:#aab2bd}
[data-theme="dark"] .icon-btn:hover{background:#20252d;border-color:#2a313a;color:#f0f2f5}
[data-theme="dark"] .new-chat-btn{background:#edf0f4;border-color:#edf0f4;color:#171a1f;box-shadow:0 5px 16px rgba(0,0,0,.24)}
[data-theme="dark"] .new-chat-btn:hover{background:#dfe3e9}
[data-theme="dark"] kbd{background:#20252c;border-color:#303741;color:#9da6b1;box-shadow:none}
[data-theme="dark"] .new-chat-btn kbd{background:#d3d8df;border-color:#c6ccd4;color:#252a31}
[data-theme="dark"] .search-box{background:#181c22;border-color:var(--line)}
[data-theme="dark"] .search-box:focus-within{background:#1c2128;border-color:#3b4552;box-shadow:0 0 0 3px rgba(118,143,199,.09)}
[data-theme="dark"] .search-box input{color:#e9ecf0}
[data-theme="dark"] .conv-item{color:#abb3be}
[data-theme="dark"] .conv-item:hover{background:#1d2229;color:#eff1f4}
[data-theme="dark"] .conv-item.active{background:#232933;color:#fff}
[data-theme="dark"] .conv-more:hover{background:#303742;color:#fff}
[data-theme="dark"] .identity-avatar{background:#252b34;color:#dfe4ea}
[data-theme="dark"] .context-chip,[data-theme="dark"] .toolbar-btn{background:#171b21;border-color:var(--line);color:#bdc4cd}
[data-theme="dark"] .context-chip.secondary{background:#15191f;color:#8f98a5}
[data-theme="dark"] .toolbar-btn:hover{background:#20252c}
[data-theme="dark"] .count-badge{background:#252b34;color:#bcc4ce}
[data-theme="dark"] .empty-orb{background:#eef1f5;color:#15181d;box-shadow:0 16px 40px rgba(0,0,0,.35)}
[data-theme="dark"] .empty-state h2{color:#edf0f4}
[data-theme="dark"] .suggestion{background:#15191f;border-color:var(--line);box-shadow:0 5px 18px rgba(0,0,0,.13)}
[data-theme="dark"] .suggestion:hover{background:#191e25;border-color:#353d48;box-shadow:0 9px 27px rgba(0,0,0,.23)}
[data-theme="dark"] .suggestion strong{color:#dfe4e9}
[data-theme="dark"] .suggestion span{color:#8f98a4}
[data-theme="dark"] .user .message-bubble{background:var(--user-bubble);color:var(--user-text);box-shadow:0 4px 14px rgba(0,0,0,.22)}
[data-theme="dark"] .assistant .message-bubble{color:#e3e7ec}
[data-theme="dark"] .message-action:hover{background:#20262e;color:#c8ced6}
[data-theme="dark"] .activity-card{background:#15191f;border-color:var(--line);box-shadow:0 4px 16px rgba(0,0,0,.14)}
[data-theme="dark"] .activity-icon{background:#232a33;color:#c6cdd6}
[data-theme="dark"] .activity-copy strong{color:#d8dde4}
[data-theme="dark"] .activity-copy span{color:#858f9b}
[data-theme="dark"] .activity-details{border-color:#252c35;background:#12161b;color:#a6afba}
[data-theme="dark"] .approval-card{border-color:#5f4c25;background:#241e12;box-shadow:0 5px 20px rgba(0,0,0,.18)}
[data-theme="dark"] .approval-shield{background:#332713;border-color:#5e4b25;color:#e2b862}
[data-theme="dark"] .approval-copy strong{color:#e6d1a3}
[data-theme="dark"] .approval-copy p{color:#b89d66}
[data-theme="dark"] .approval-copy code{background:rgba(255,255,255,.035);color:#d0b67f}
[data-theme="dark"] .approval-reject{background:#241e12;border-color:#5e4b25;color:#d2b87e}
[data-theme="dark"] .approval-approve{background:#e7ebf0;border-color:#e7ebf0;color:#181b20}
[data-theme="dark"] .composer-zone{background:linear-gradient(to bottom,rgba(17,20,25,0),#111419 18%,#111419)}
[data-theme="dark"] .mini-chip{background:#171b21;border-color:var(--line);color:#aeb6c0}
[data-theme="dark"] .mini-chip.muted{background:#14181e;color:#7f8996}
[data-theme="dark"] .composer-box{background:#15191f;border-color:#2b323c;box-shadow:0 10px 36px rgba(0,0,0,.28)}
[data-theme="dark"] .composer-box:focus-within{border-color:#414c5b;box-shadow:0 10px 36px rgba(0,0,0,.3),0 0 0 3px rgba(118,143,199,.07)}
[data-theme="dark"] .composer-box textarea{color:#e7ebef}
[data-theme="dark"] .composer-icon{background:#1b2027;border-color:#2b323c;color:#9ca6b2}
[data-theme="dark"] .composer-icon:hover{background:#242a33;color:#e5e9ed}
[data-theme="dark"] .send-btn{background:#edf0f4;color:#15181d}
[data-theme="dark"] .send-btn:hover{background:#dfe3e9}
[data-theme="dark"] .stop-btn{background:#1b2027;border-color:#313945}
[data-theme="dark"] .stop-btn span{background:#dce1e7}
[data-theme="dark"] .modal-backdrop{background:rgba(3,5,8,.55)}
[data-theme="dark"] .modal-card{background:#15191f;border-color:#2c333d}
[data-theme="dark"] .tool-search-wrap input{background:#171b21;border-color:var(--line);color:#e5e8ed}
[data-theme="dark"] .tool-search-wrap input:focus{background:#1b2027;border-color:#3a4451}
[data-theme="dark"] .tool-card{background:#171b21;border-color:var(--line)}
[data-theme="dark"] .tool-name{color:#dce1e7}
[data-theme="dark"] .tool-risk{background:#242a32;color:#a0a9b4}
[data-theme="dark"] .popover{background:#171b21;border-color:#2b323c;box-shadow:0 14px 38px rgba(0,0,0,.42)}
[data-theme="dark"] .popover button{color:#b5bdc8}
[data-theme="dark"] .popover button:hover{background:#222831;color:#f0f2f5}
[data-theme="dark"] .popover-separator{background:#2a313a}
[data-theme="dark"] .toast{background:#171b21;border-color:#2c333d;color:#b6bec8;box-shadow:0 12px 34px rgba(0,0,0,.36)}
[data-theme="dark"] .toast.error{background:#281818;border-color:#58302d;color:#f19a93}

.magic-pulse .workspace{animation:workspaceMagic .9s ease-out}
@keyframes workspaceMagic{0%{filter:brightness(1)}22%{filter:brightness(1.018)}100%{filter:brightness(1)}}

@media(max-width:760px){
  .reveal-bar{gap:7px;padding:7px}
  .reveal-percent{display:none}
  .reveal-control{padding:0 7px}
  #themeChip{display:none}
  .focus-btn{display:none}
  body.focus-mode .messages{padding-left:14px;padding-right:14px}
  body.focus-mode .composer-zone,body.focus-mode .approval-tray{padding-left:12px;padding-right:12px}
}

@media(prefers-reduced-motion:reduce){
  .ambient-orb,.ambient-field,.reveal-char,.stream-caret,.reveal-spark span,.reveal-spark:after,.brand-mark:before,.brand-mark:after{animation:none!important;transition:none!important;filter:none!important}
}