:root{color-scheme:dark;--bg:oklch(17.8% .002 260);--panel:oklch(20.5% .002 260);--raised:oklch(25% .002 260);--ink:oklch(94% .002 260);--muted:oklch(66% .002 260);--line:oklch(30% .002 260);--selected:oklch(28% .002 260);--accent:oklch(92% .002 260);--bad:oklch(76% .13 25);--good:oklch(74% .13 155)}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}button,input,textarea,select{font:inherit;color:inherit}button,summary,select{cursor:pointer}button{min-height:40px;border:0;background:transparent;border-radius:9px;padding:8px 12px}button:hover{background:var(--raised)}button:disabled{opacity:.38;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--muted);outline-offset:3px}input{background:transparent;border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;min-width:0}textarea{resize:none;width:100%;min-height:72px;max-height:28dvh;display:block;border:0;background:transparent;padding:5px 4px;outline:none;line-height:1.55}p,h1,h2,h3{margin-top:0}p{margin-bottom:14px}[hidden]{display:none!important}.primary{background:var(--ink);color:var(--bg);font-weight:600}.primary:hover{background:oklch(83% .002 260)}.subtle{color:var(--muted)}.danger,.error{color:var(--bad)}.error{font-size:12px;margin:4px 0 0;overflow-wrap:anywhere}.error:empty{display:none}.icon{font-size:22px;line-height:1;width:40px;padding:8px;flex-shrink:0}.brand{font-size:21px;font-weight:600;letter-spacing:-.6px}.brand span{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;margin-left:6px}.shell{height:100dvh;display:grid;grid-template-columns:280px minmax(0,1fr)}.sidebar{background:var(--panel);border-right:1px solid color-mix(in oklch,var(--line) 60%,transparent);display:flex;flex-direction:column;padding:20px 12px 10px;min-height:0}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 10px}.connection{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:12px;margin:20px 10px 16px}.dot{width:6px;height:6px;border-radius:50%;background:var(--good)}.offline .dot{background:var(--bad)}#search{min-height:40px;font-size:13px;border-color:transparent;background:color-mix(in oklch,var(--raised) 60%,transparent);margin-bottom:14px}.list-heading{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;padding-left:10px}.list-heading .icon{font-size:18px}#threads{flex:1;min-height:0;overflow-y:auto}.thread{display:block;width:100%;text-align:left;padding:8px 10px;min-height:58px;margin:2px 0}.thread strong,.thread span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread strong{font-size:13px;font-weight:450}.thread span{font-size:11px;color:var(--muted);margin-top:1px}.thread.selected{background:var(--selected)}.list-empty{padding:20px 10px;font-size:13px;color:var(--muted)}.sidebar-foot{border-top:1px solid var(--line);padding:12px 4px 0;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.sidebar-foot button{font-size:12px}.conversation{display:flex;flex-direction:column;height:100dvh;min-width:0}.chat-head{display:flex;align-items:center;gap:16px;padding:16px 26px;min-height:80px;flex-shrink:0}.chat-title{min-width:0;flex:1}.chat-title h1{font-size:14px;line-height:1.4;font-weight:600;margin:0 0 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-title p{font-size:11px;margin:0;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.run-state{font-size:11px;color:var(--muted);white-space:nowrap}.limits{display:flex;gap:16px;font-size:11px;flex-shrink:0}.limits>div{display:grid;grid-template-columns:auto auto;column-gap:6px;align-items:center}.limits span{color:var(--muted)}.limits strong{font-size:12px;font-weight:500}.limits small{grid-column:1/3;font-size:10px;color:var(--muted);white-space:nowrap}.limits .exhausted{color:var(--bad)}.history{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:28px max(28px,calc((100% - 780px)/2)) 24px}.empty{max-width:390px;margin:15vh auto;text-align:center}.empty-symbol{font-size:38px;display:block;margin-bottom:20px}.empty h2{font-size:23px;font-weight:500;letter-spacing:-.5px}.empty p{font-size:14px;color:var(--muted)}.message{max-width:100%;min-width:0;margin:0 0 24px;overflow-wrap:anywhere}.message .role{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.message pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;margin:0;line-height:1.7;max-width:100%}.message.user{background:var(--raised);border-radius:20px;padding:12px 18px;margin-left:auto;max-width:85%;width:fit-content}.message.user pre{line-height:1.55}.message.system{font-size:12px;color:var(--bad)}.message.assistant .prose{line-height:1.75}.prose p:last-child{margin-bottom:0}.prose h2{font-size:19px;margin:26px 0 10px;font-weight:600}.prose h3{font-size:16px;margin:20px 0 8px}.prose ul,.prose ol{padding-left:24px;margin:10px 0 16px}.prose li{margin:5px 0}.prose code{font:13px/1.6 ui-monospace,Consolas,monospace;background:var(--raised);border-radius:4px;padding:2px 5px}.prose pre.code{font:12px/1.7 ui-monospace,Consolas,monospace;overflow:auto;white-space:pre;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0}.prose a{color:inherit;text-decoration:underline;text-underline-offset:3px}.activity-group{margin:-4px 0 26px;color:var(--muted);font-size:12px}.activity-group>summary{display:flex;align-items:center;gap:8px;width:fit-content;min-height:36px;list-style:none;user-select:none}.activity-group>summary:before{content:'◇';font-size:16px}.activity-group>summary:after{content:'⌄';font-size:14px}.activity-group[open]>summary:after{transform:rotate(180deg)}summary::-webkit-details-marker{display:none}.activity-list{padding-top:4px}.action{margin:1px 0}.action>summary{list-style:none;display:flex;align-items:center;gap:8px;min-height:34px;padding:3px 0}.action>summary:before{content:'›';width:12px;flex-shrink:0}.action[open]>summary:before{transform:rotate(90deg)}.action-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.action-state{font-size:10px;white-space:nowrap;color:var(--muted)}.action-state.failed{color:var(--bad)}.action-body{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:5px 0 12px}.action-body pre{margin:0;padding:14px;font:12px/1.6 ui-monospace,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-height:65dvh;overflow:auto;color:var(--ink);user-select:text}.action-body .command-output{border-top:1px solid var(--line);color:var(--muted)}.action-body h4{margin:0;padding:8px 14px;font-size:11px;background:var(--panel);color:var(--muted);font-weight:500}.queued{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:12px 0}.queued strong{font-weight:500}.queued p{margin:4px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.composer{width:calc(100% - 48px);max-width:804px;margin:0 auto max(22px,env(safe-area-inset-bottom));padding:12px 14px 8px;background:var(--panel);border:1px solid var(--line);border-radius:24px;flex-shrink:0}.compose-actions{display:flex;gap:4px;align-items:center;min-width:0}.compose-actions .send{margin-left:auto;border-radius:50%;height:36px;width:36px;min-height:36px;font-size:0;padding:0;flex-shrink:0}.send span{font-size:24px;font-weight:400}.compose-actions #attach{font-size:26px;width:40px;padding:0}.hint{font-size:10px;color:var(--muted)}.model-bar{margin-left:auto;min-width:0;max-width:210px}.model-bar select{width:100%;max-width:210px;min-width:0;border:0;background:transparent;border-radius:8px;padding:8px 20px 8px 8px;font-size:12px}.model-bar option{background:var(--panel)}.compose-actions .send{margin-left:8px}.attachments{display:flex;flex-wrap:wrap;gap:6px}.attachment{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:4px 8px;font-size:12px;max-width:100%}.attachment span{max-width:230px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.attachment button{min-height:28px;padding:0 4px}.banner{font-size:12px;color:var(--muted);padding:8px 26px;border-block:1px solid var(--line)}.approvals{max-height:38dvh;overflow:auto;padding:14px max(24px,calc((100% - 780px)/2));border-top:1px solid var(--line);background:var(--panel)}.approval h2{font-size:14px;margin:0 0 8px}.approval pre{font:12px/1.6 ui-monospace,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.approval label{display:block;font-size:13px}.approval-buttons{display:flex;gap:8px;margin-top:8px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.mobile-only{display:none}.login{max-width:440px;margin:12vh auto;padding:24px}.login h1{font-size:36px;line-height:1.2;font-weight:500;letter-spacing:-1.2px;margin:60px 0 20px}.intro{color:var(--muted);font-size:14px;margin-bottom:30px}.login label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.login input{font-size:13px;min-height:48px}.login .primary{display:flex;width:100%;justify-content:space-between;margin:12px 0 18px}.login small{color:var(--muted);font-size:11px}
@media(max-width:760px){.mobile-only{display:block}.shell{display:block}.sidebar{display:none;position:fixed;inset:0;z-index:10;width:100%;padding: max(16px,env(safe-area-inset-top)) 16px max(12px,env(safe-area-inset-bottom))}.show-list .sidebar{display:flex}.sidebar-head{padding:4px 8px}.thread{min-height:60px}.thread strong{font-size:15px}.thread span{font-size:12px}.connection{margin:18px 10px}.chat-head{padding: max(12px,env(safe-area-inset-top)) 12px 10px;min-height:100px;gap:6px;flex-wrap:wrap}.chat-title{flex-basis:calc(100% - 52px)}.chat-title h1{font-size:15px}.chat-title p{font-size:10px}.limits{margin-left:46px;gap:22px;flex:1}.limits>div{display:flex;gap:6px}.limits small{font-size:10px}.run-state{order:3;margin-left:auto;font-size:10px}.limits{order:2}.history{padding:22px 18px 18px;scrollbar-gutter:auto}.message{font-size:15px;margin-bottom:24px}.message.user{max-width:90%;padding:11px 15px}.composer{width:calc(100% - 24px);border-radius:24px;margin-bottom:max(12px,env(safe-area-inset-bottom));padding:10px 12px 8px}.composer textarea{font-size:16px;min-height:65px}.compose-actions>.hint{display:none}.model-bar{max-width:185px}.model-bar select{font-size:11px;max-width:185px}.banner{padding:8px 18px;font-size:11px}.activity-group{font-size:12px}.action-body pre{font-size:11px}.approvals{padding:12px 18px}.empty{margin-top:12vh}.login{margin:7vh auto}.login h1{margin-top:50px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Composer: model-specific effort and a touch-sized paper-plane action. */
.effort-bar{flex:0 1 auto;min-width:0;max-width:120px}
.effort-bar select{font:inherit;font-size:12px;min-width:0;max-width:120px;width:100%;min-height:40px;padding:8px 16px 8px 6px;border:0;border-radius:8px;background:transparent}
.effort-bar option{background:var(--panel)}
.effort-bar select:disabled{color:var(--muted);opacity:.6;cursor:default}
.compose-actions .model-bar{flex:0 1 210px;min-width:0}
.compose-actions .send{display:grid;place-items:center;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;margin-left:5px;font-size:inherit;transition:background-color 150ms ease-out,opacity 150ms ease-out}
.send .send-icon{display:block;flex:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transform:translate(-1px,1px)}
@media(max-width:760px){.compose-actions{gap:2px}.compose-actions #attach{width:36px;min-width:36px;flex-shrink:0}.compose-actions .model-bar{flex:1 1 0;max-width:none;margin-left:0}.model-bar select{font-size:11px;max-width:100%;padding:8px 12px 8px 4px;min-height:40px}.effort-bar{flex:0 1 91px;max-width:91px}.effort-bar select{font-size:11px;max-width:91px;padding:8px 10px 8px 2px}.compose-actions .send{margin-left:3px}.compose-actions #stop{padding:6px;font-size:11px}}

.compose-actions .send.is-queued{background:oklch(83% .045 240)}.queued .queue-tip{display:block;color:var(--muted);font-size:11px;margin-top:5px}

/* Fixed right-edge activity marks; long chat titles never squeeze them away. */
.thread{display:flex;align-items:center;gap:12px}
.thread-copy{flex:1;min-width:0;overflow:hidden}
.thread .thread-indicators{display:flex;align-items:center;justify-content:flex-end;gap:9px;flex:none;min-width:8px}
.thread .unread-dot{display:block;width:8px;height:8px;border-radius:50%;background:oklch(69% .18 252);flex:none}
.thread .working-indicator{display:block;width:13px;height:13px;flex:none;border:1.5px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:thread-spin 1s linear infinite}
@keyframes thread-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.thread .working-indicator{animation:none}}

/* Transcript: native-style inline action rows and right-aligned user bubbles. */
.icon-sprite{position:absolute;width:0;height:0;overflow:hidden;pointer-events:none}
.action-icon,.disclosure-icon{display:block;width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.activity-group{margin:0 0 20px;font-size:13px;line-height:1.6;color:var(--muted)}
.activity-group>summary{min-height:28px;gap:6px;max-width:100%}
.activity-group>summary:before,.activity-group>summary:after,.action>summary:before{content:none}
.activity-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.disclosure-icon{width:12px;height:12px;margin-left:0;transform:rotate(-90deg);transition:transform 120ms ease-out}
.activity-group[open]>summary .disclosure-icon{transform:none}
.activity-list{padding-top:0}
.action{margin:0}
.action>summary{min-height:25px;padding:2px 0;gap:6px}
.action-label{display:block;flex:0 1 auto;line-height:1.6}
.edited-path{text-decoration:underline;text-underline-offset:2px}
.diff-stats{display:inline-flex;gap:4px;margin-left:5px;font-size:12px;text-decoration:none;white-space:nowrap}
.diff-add{color:oklch(71% .16 151)}.diff-remove{color:oklch(67% .19 28)}
.action-state{margin-left:auto}
.action-body{border-color:var(--line);border-radius:8px;margin:6px 0 10px 21px;background:var(--panel)}
.action-body pre{max-height:55dvh;white-space:pre-wrap;overflow-wrap:anywhere}
.message.user{background:oklch(29% .002 260);border-radius:20px;padding:11px 17px;max-width:85%;color:var(--ink);font-size:15px}
.message.user .message-status{display:block;font-size:11px;line-height:1.5;color:var(--muted);margin-top:6px}
.message.user .message-status.is-error{color:var(--bad)}
.message.user .queue-tip{display:block;font-size:11px;line-height:1.5;color:var(--muted);margin-top:4px}
.message-attachment{font-size:12px;margin-top:6px;overflow-wrap:anywhere}
.composer textarea:focus-visible{outline:none}
.composer:focus-within{border-color:oklch(40% .002 260)}
@media(max-width:760px){.activity-group{font-size:13px}.action>summary{min-height:27px}.message.user{max-width:90%;padding:10px 14px;border-radius:19px}}
@media(prefers-reduced-motion:reduce){.disclosure-icon{transition:none}}

/* Keep Android Firefox's visible viewport and the scrollable transcript separate. */
.shell{position:fixed;inset:0 0 auto;height:var(--app-height,100dvh);max-height:var(--app-height,100dvh);overflow:hidden}
.conversation{position:relative;height:100%;max-height:100%;min-height:0;overflow:hidden}
.history-wrap{position:relative;display:flex;flex:1 1 0;min-height:0;overflow:hidden}
.history{flex:1 1 0;min-height:0;overflow-y:auto;touch-action:pan-y;overflow-anchor:none;-webkit-overflow-scrolling:touch}
.composer{flex:none}
.jump-latest{position:absolute;right:24px;bottom:14px;display:grid;place-items:center;width:38px;height:38px;min-height:38px;padding:8px;border:1px solid var(--line);border-radius:50%;background:var(--panel);box-shadow:0 3px 12px oklch(10% .002 260/.25);z-index:2}
.jump-latest svg{stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.image-card{margin:0 0 24px;max-width:520px}
.image-caption{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px;margin-bottom:8px}
.image-action>summary{list-style:none;min-height:28px;width:fit-content;max-width:100%;margin:0;font-size:13px;user-select:none}
.image-action>summary>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.image-action[open]>summary{margin-bottom:8px}
.image-action[open]>summary .disclosure-icon{transform:none}
.image-action:not([open]){margin-bottom:20px}
.agent-card{margin:0 0 20px;font-size:13px;line-height:1.6;color:var(--muted)}
.agent-card>summary{display:flex;align-items:center;gap:6px;list-style:none;min-height:28px;max-width:100%;user-select:none}
.agent-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.agent-target-name{color:var(--muted)}
.agent-card[open]>summary>.disclosure-icon{transform:none}.agent-state{margin-left:auto;white-space:nowrap;font-size:10px}.agent-state.is-error{color:var(--bad)}
.agent-body{margin-top:6px}.agent-links{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:8px 12px;border-bottom:1px solid var(--line)}
.agent-link{font-size:12px;padding:4px 8px;min-height:32px;max-width:100%;overflow-wrap:anywhere;text-align:left;text-decoration:underline;text-underline-offset:3px}
.agent-target-state{font-size:10px}.agent-message{padding:10px 14px;border-bottom:1px solid var(--line)}.agent-message:last-child{border-bottom:0}
.agent-role{font-size:10px;color:var(--muted)}.agent-message-text{margin:0;padding:10px 14px;color:var(--ink);font-size:13px;line-height:1.65;font-family:inherit;white-space:pre-wrap;overflow-wrap:anywhere}
.agent-message>.agent-message-text{padding:3px 0 0}.agent-empty{padding:12px 14px;margin:0;font-size:12px}.agent-raw{border-top:1px solid var(--line)}.agent-raw>summary{padding:8px 14px;font-size:11px}
.pending-dismiss{display:block;margin-top:5px;min-height:32px;padding:3px 8px;font-size:11px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.image-preview{display:block;width:100%;aspect-ratio:4/3;padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);cursor:zoom-in}
.image-preview:hover{background:var(--raised)}
.image-thumbnail{display:block;width:100%;height:100%;object-fit:contain}
.image-placeholder{display:grid;place-items:center;min-height:100px;padding:20px;color:var(--muted);font-size:13px;text-align:center;overflow-wrap:anywhere}
.image-viewer{width:min(1100px,96vw);max-width:96vw;max-height:94dvh;border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--panel);color:var(--ink);overflow:auto}
.image-viewer::backdrop{background:oklch(8% .002 260/.85)}
.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}
.viewer-head a{color:var(--muted);font-size:12px;text-decoration:none}.viewer-head a:hover{text-decoration:underline}
.viewer-head button{font-size:24px;min-width:40px;line-height:1}
#viewer-image{display:block;width:100%;max-height:78dvh;object-fit:contain}
@media(max-width:760px){.sidebar{height:var(--app-height,100dvh);max-height:var(--app-height,100dvh);bottom:auto}.jump-latest{right:16px}.image-viewer{padding:8px;border-radius:12px}}