/* Web appearance and compact conversation layout. */
:root{color-scheme:light;--page:#fff;--surface:#f6f7f9;--raised:#fff;--text:#24262b;--muted:#777d88;--line:#e9ebef;--user:#f1f3f6;--code:#f3f4f7;--accent:#4664ed;--accent-ink:#fff;--green:#405bdc;--soft:#4664ed12;--warning-bg:#fff7e6;--warning-text:#856329;--warning-line:#e7d5aa;--error:#b84343;--message-size:16px;--code-size:13px;--message-leading:1.8;--message-gap:24px;color:var(--text);background:var(--page)}
:root[data-theme=dark]{color-scheme:dark;--page:#17181c;--surface:#202228;--raised:#272a32;--text:#e4e6ed;--muted:#a0a5b1;--line:#30333c;--user:#272a32;--code:#202228;--warning-bg:#332c20;--warning-text:#e0be79;--warning-line:#665234;--error:#f19c9c}
:root[data-density=compact]{--message-leading:1.6;--message-gap:16px}
:root[data-density=relaxed]{--message-leading:2;--message-gap:32px}
body,.chat-head,.composer,.picker{background:var(--page);color:var(--text)}
button,input,textarea,select{color:inherit}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-color:var(--green)}
input:not([type=checkbox]),textarea,.picker select,.approval select{background:var(--raised);border-color:var(--line)}
input[type=checkbox],input[type=range]{accent-color:var(--accent)}
.primary{background:var(--accent);color:var(--accent-ink)}
.error{color:var(--error)}
.login label,.login-foot,.icon-button,.activity,.account-muted{color:var(--muted)}
.large{color:var(--muted)}
aside{background:var(--surface)}
.search{background:var(--raised)!important;border-color:var(--line)!important}
.session:hover,.skill-option{background:var(--user)}
.session.selected{background:var(--soft)}
.phone-header{background:var(--page)}
.phone-header-actions{display:flex;align-items:center;gap:8px}
.appearance-button{display:grid;place-items:center;min-width:36px;height:36px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:22px}
.appearance-button:hover,.composer-toggle:hover{background:var(--surface)}
.chat-head{padding:8px 28px;min-height:56px;gap:10px;border-bottom:1px solid var(--line)}
.chat-title-button{display:block;width:100%;min-width:0;border:0;background:none;padding:8px 0;text-align:left;color:var(--text)}
#chat-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;line-height:24px;font-weight:600}
.status{background:var(--soft);color:var(--green);font-size:10px;padding:5px 8px;max-width:92px;overflow:hidden;text-overflow:ellipsis}
.status.offline{background:var(--warning-bg);color:var(--warning-text)}
.notice{background:var(--warning-bg);color:var(--warning-text)}
.notice .plain{color:inherit}
.timeline{padding:20px max(24px,calc((100% - 760px)/2))}
.message{font-size:var(--message-size);line-height:var(--message-leading);margin:var(--message-gap) 0}
.timeline-row{margin-bottom:var(--message-gap)}
.message.user{background:var(--user);padding:12px 16px;border-radius:20px;margin-left:min(15%,70px)}
.message.user .who{display:none}
.message .who{font-size:10px;letter-spacing:1.1px;margin-bottom:10px;color:var(--muted)}
.message.assistant{padding:0}
.message pre,.activity pre{background:var(--code);border-color:var(--line);font-size:var(--code-size)}
.markdown-body code{background:var(--code)}
.markdown-body pre code{background:none}
.markdown-body blockquote{color:var(--muted);border-color:var(--line)}
.markdown-body th{background:var(--surface)}
.markdown-body table{font-size:.9em}
.markdown-body h1{font-size:1.45em}.markdown-body h2{font-size:1.25em}.markdown-body h3{font-size:1.1em}.markdown-body h4,.markdown-body h5,.markdown-body h6{font-size:1em}
.approval{background:var(--warning-bg);border-color:var(--warning-line)}
.secondary{color:var(--warning-text);border-color:var(--warning-line)}
.queue-card{border-color:var(--line)}
.composer{margin:0 max(24px,calc((100% - 760px)/2));padding:8px 0 max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.composer-tools{align-items:center;gap:6px;margin:0 0 6px;min-width:0}
.tool-button{background:transparent;border:1px solid var(--line);border-radius:16px;font-size:11px;padding:7px 10px;min-height:32px;color:var(--muted);max-width:none;flex:none}
#model-button{display:flex;align-items:center;gap:4px;flex:0 1 auto;min-width:0;max-width:55%;color:var(--text)}
#model-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#model-effort{flex:none;white-space:nowrap}
.model-current{overflow-wrap:anywhere;font-size:12px;line-height:1.6;color:var(--muted)}
.composer-toggle{flex:none;margin-left:auto;display:grid;place-items:center;width:36px;height:36px;border:0;background:transparent;color:var(--muted);border-radius:10px;padding:6px}
.composer-toggle svg{width:20px;height:20px;transition:transform .15s}
.composer-toggle[aria-expanded=false] svg{transform:rotate(180deg)}
.composer.is-collapsed .composer-tools{margin-bottom:0}
.composer textarea{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;resize:none;min-height:48px;height:48px;max-height:160px;line-height:1.6;font-size:16px;padding:10px 14px}
.compose-bottom{display:grid;grid-template-columns:30px minmax(0,1fr) minmax(0,1fr) auto;align-items:center;padding-top:6px;gap:8px}
.compose-bottom select{width:100%;font-size:11px;max-width:100%;min-width:0;padding:8px 0;color:var(--muted);text-overflow:ellipsis}
.compose-actions{flex:none;gap:6px}
.goal-toggle{display:flex;align-items:center;justify-content:center;gap:5px;flex:none;min-height:36px;padding:8px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--green);font-size:11px;white-space:nowrap}
.goal-toggle svg{width:16px;height:16px;flex:none}
@media(max-width:540px){.goal-toggle{width:36px;padding:8px}.goal-toggle span{display:none}.compose-actions:has(.goal-toggle:not([hidden])){gap:4px}}
@media(max-width:350px){.compose-bottom:has(.goal-toggle:not([hidden])){gap:6px}.compose-actions:has(.goal-toggle:not([hidden])) .primary,.compose-actions:has(.goal-toggle:not([hidden])) .stop{padding:8px 7px}.goal-toggle{width:32px}}
.compose-actions .primary,.stop{min-height:36px;padding:8px 12px;font-size:12px;border-radius:12px}
.stop{background:var(--surface);color:var(--text)}
.skill-pill{background:var(--soft);color:var(--green)}
.newer{bottom:calc(var(--composer-height,190px) + 10px);background:var(--raised);color:var(--green);border-color:var(--line);font-size:12px;padding:9px 14px}
.toast{background:var(--text);color:var(--page)}
.picker{padding:22px;border-color:var(--line);border-radius:22px;box-shadow:0 24px 80px #0003}
.picker::backdrop{background:#11182766}
.picker-head{gap:12px}.picker h2{font-size:19px}.picker .picker-head .icon-button{min-width:36px;min-height:36px}
.account-card{border-color:var(--line)}.account-quota progress{accent-color:var(--accent)}
.chat-detail-meta{display:grid;gap:12px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
#details-title{font-size:16px;line-height:1.65;color:var(--text);overflow-wrap:anywhere}
#chat-meta{overflow-wrap:anywhere}
.appearance-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.appearance-grid label{min-width:0;margin:10px 0}
.appearance-grid select{font-size:13px;padding:10px;margin-top:8px}
.appearance-section{border:0;margin:14px 0 0;padding:16px 0 0;border-top:1px solid var(--line);min-width:0}
.appearance-section legend{float:left;font-size:13px;font-weight:600;width:100%;margin-bottom:12px}
.conversation-options{margin-top:0;padding-top:0;border-top:0;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.picker .display-option{display:flex;align-items:center;justify-content:space-between;gap:16px;clear:both;margin:0;padding:10px 0;cursor:pointer}
.display-option strong{display:block;font-size:13px;font-weight:500}.display-option small{display:block;font-size:11px;line-height:1.6;color:var(--muted);margin-top:3px}
.display-option input[type=checkbox]{width:20px;height:20px;padding:0;margin:0;flex:none;cursor:pointer}
.accent-options{display:flex;align-items:center;gap:10px;clear:both}
.accent-swatch{width:32px;height:32px;border-radius:50%;border:4px solid var(--page);box-shadow:0 0 0 1px var(--line);flex:none}
.accent-swatch[aria-pressed=true]{box-shadow:0 0 0 2px var(--green)}
.accent-swatch[data-accent="#4664ed"]{background:#4664ed}.accent-swatch[data-accent="#24836b"]{background:#24836b}.accent-swatch[data-accent="#9565d6"]{background:#9565d6}.accent-swatch[data-accent="#d77b37"]{background:#d77b37}
.picker .custom-accent{display:flex;align-items:center;gap:8px;margin:0 0 0 auto;font-size:12px;color:var(--muted)}
.custom-accent input[type=color]{width:32px;height:32px;padding:3px;margin:0;border-radius:9px;cursor:pointer}
.picker .range-label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0 6px}
.range-label output{font-size:12px;color:var(--muted)}
.picker input[type=range]{display:block;width:100%;padding:0;height:28px;border:0;background:none;margin:0}
.appearance-note{color:var(--muted);margin:16px 0 0;font-size:11px!important}
.appearance-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}
.appearance-actions .primary{width:auto;min-width:92px}
@media(max-width:720px){
  body.chat-detail>.phone-header{display:none}
  .chat-head{padding:max(4px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 4px max(12px,env(safe-area-inset-left));min-height:52px;gap:6px}
  #back{margin-left:-4px;width:36px;height:40px;flex:none;padding:0;font-size:29px}
  .chat-head .appearance-button{width:32px;min-width:32px;height:40px}
  .timeline{padding:12px max(20px,env(safe-area-inset-right)) 12px max(20px,env(safe-area-inset-left))}
  .message.user{margin-left:28px;padding:11px 14px}
  .composer{margin:0 max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left))}
  .picker{max-height:90dvh;width:calc(100% - 24px);padding:20px}
  .newer{right:16px}
}
@media(max-width:350px){.composer-tools{gap:4px}.tool-button{padding:7px 8px}#model-button{max-width:45%}.composer-toggle{width:32px}.chat-head{gap:4px}.status{font-size:9px;max-width:74px}.accent-options{gap:8px}}
@media(prefers-reduced-motion:reduce){.composer-toggle svg{transition:none}}

#mode-hint{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.goal-state{position:relative;flex:none;margin:4px max(20px,calc((100% - 790px)/2));padding:9px 38px 9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--raised);font-size:12px;max-height:25dvh;overflow:auto}.goal-state summary{cursor:pointer;color:var(--green);font-weight:600}.goal-state p{white-space:pre-wrap;overflow-wrap:anywhere;margin:7px 0;line-height:1.5}.goal-close{position:absolute;top:2px;right:3px;width:32px;height:32px;padding:0;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}.goal-pending{color:var(--muted)}.plan-approval summary{cursor:pointer;font-size:13px}.plan-content{line-height:1.7;overflow-wrap:anywhere}.plan-content pre{overflow:auto}

.attach-button{display:grid;place-items:center;width:30px;height:36px;padding:5px;border:0;background:transparent;color:var(--muted);border-radius:8px}.attach-button:hover{background:var(--soft)}.attach-button svg{width:21px;height:21px}.attachment-list{display:flex;flex-wrap:wrap;gap:7px;max-height:150px;overflow:auto;padding:6px 0}.attachment-chip{display:flex;align-items:center;gap:5px;max-width:100%;padding:7px 8px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.attachment-info{min-width:0;display:grid;gap:3px}.attachment-info strong{font-size:12px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-info small{font-size:10px;color:var(--muted)}.attachment-remove{border:0;background:none;color:var(--muted);padding:5px;font-size:18px}.session-indicator{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:1px;background:#16a34a}.session-indicator.completed{background:#3b82f6}.session-indicator.ended{background:#d97706}.session-indicator.unknown{background:#94a3b8}html[data-show-activity=false] .session-indicator{display:none}
@media(max-width:350px){.compose-bottom{gap:4px;grid-template-columns:26px minmax(0,1fr) minmax(0,1fr) auto}.attach-button{width:26px}.compose-bottom:has(.goal-toggle:not([hidden])){gap:4px}.compose-actions{gap:4px}.compose-actions .primary,.compose-actions .stop{padding:8px 7px}.compose-bottom select{font-size:10px}}

.fast-mode-control{padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.fast-mode-control p{font-size:12px;line-height:1.6;margin:8px 0 0}.fast-mode-control a{color:var(--green)}