/* The standalone tools extend the site's existing monochrome design tokens. */
.standalone .main-nav{min-width:0}
.standalone .stand-main{padding-block:66px 90px;min-height:calc(100vh - 240px)}
.stand-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,.48fr);align-items:end;gap:70px;padding-bottom:55px;animation:stand-enter .6s cubic-bezier(.16,1,.3,1) both}
.stand-heading h1{font-size:clamp(48px,6.1vw,86px);font-weight:500;line-height:1.04;letter-spacing:-.055em;margin:0 0 25px}
.stand-heading>div:first-child>p:last-child{font-size:17px;line-height:1.65;max-width:590px;margin:0}
.stand-aside{display:flex;flex-direction:column;gap:10px;min-width:0;padding:23px 0 5px;border-top:1px solid var(--strong-rule)}
.stand-aside>span,.stand-aside p{font-size:12px;color:var(--muted);margin:0}
.stand-aside code{font-size:16px;line-height:1.45;font-weight:500;color:var(--ink);overflow-wrap:anywhere}
.stand-aside strong{font-size:23px;font-weight:500;letter-spacing:-.025em;line-height:1.2}
.stand-rule{height:1px;background:var(--strong-rule)}
.stand-copy,.chat-plain-button{display:inline-flex;align-items:center;justify-content:flex-start;align-self:flex-start;min-height:42px;padding:7px 0;border:0;border-bottom:1px solid var(--strong-rule);background:transparent;color:var(--ink);font-size:12px;font-weight:500;text-align:left;white-space:nowrap}
.stand-copy:hover,.chat-plain-button:hover{border-color:var(--ink)}
.setup-workspace{display:grid;grid-template-columns:minmax(245px,.72fr) minmax(0,1.28fr);gap:60px;padding-block:56px 52px;border-bottom:1px solid var(--rule)}
.setup-intro h2,.setup-next h2{font-size:clamp(30px,3.2vw,43px);margin:0 0 15px;line-height:1.12}
.setup-intro>p{font-size:15px;max-width:330px;margin-bottom:32px}
.setup-fields{display:grid;gap:20px}
.setup-fields label{display:grid;gap:8px;font-size:12px;font-weight:500}
.setup-fields select,.chat-model-bar select,.chat-search-label+input{width:100%;min-width:0;min-height:48px;padding:10px 13px;border:1px solid var(--field-border);border-radius:6px;background:var(--white);color:var(--ink);font-size:14px}
.setup-fields select:focus,.chat-model-bar select:focus,.chat-search-label+input:focus{border-color:var(--ink)}
.setup-field-note{font-size:12px;line-height:1.6;margin:-6px 0 0}
.setup-recipe{min-width:0;border:1px solid var(--rule);background:var(--white);border-radius:10px;overflow:hidden}
.recipe-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 27px;border-bottom:1px solid var(--rule)}
.recipe-kicker,.chat-panel-caption{font-size:12px;color:var(--muted)}
.recipe-top h3{font-size:23px;margin:5px 0 0}
.setup-recipe pre{margin:0;padding:29px 27px 34px;min-height:258px;max-height:490px;overflow:auto;white-space:pre;tab-size:2;font-family:var(--mono);font-size:12px;line-height:1.7;color:var(--ink);background:var(--surface-soft)}
.setup-recipe>p{margin:0;padding:16px 27px;color:var(--muted);font-size:12px;line-height:1.55}
.setup-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--rule)}
.setup-facts>div{display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0;padding:28px 24px 25px;border-right:1px solid var(--rule)}
.setup-facts>div:first-child{padding-left:0}
.setup-facts>div:last-child{border-right:0}
.setup-facts span{font-size:12px;color:var(--muted)}
.setup-facts code{font-size:12px;line-height:1.6;overflow-wrap:anywhere;color:var(--ink)}
.setup-facts a{border-bottom:1px solid var(--strong-rule);padding-block:10px;font-size:12px}
.stand-notice{padding:23px 26px;border:1px solid var(--rule);border-radius:8px;background:var(--surface-soft);font-size:13px;line-height:1.65;color:var(--muted)}
.stand-notice strong{color:var(--ink);font-weight:500}
.setup-facts+.stand-notice{margin-top:37px}
.setup-next{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;align-items:center;gap:35px;margin-top:65px}
.setup-next h2{margin:0}.setup-next p{max-width:440px;font-size:14px;margin:0}
.stand-toast{position:fixed;z-index:50;left:50%;bottom:24px;transform:translateX(-50%);max-width:calc(100% - 32px);padding:12px 18px;background:var(--ink);color:var(--on-action);font-size:13px;border-radius:6px;box-shadow:0 12px 30px #0003}

.changes-main .stand-aside{min-height:154px}
.change-list{list-style:none;margin:0;padding:0}
.change-list li{display:grid;grid-template-columns:minmax(150px,.35fr) minmax(0,1fr);gap:55px;padding:39px 0 45px;border-bottom:1px solid var(--rule)}
.change-list time{font-size:12px;color:var(--muted);padding-top:7px}
.change-list h2{font-size:clamp(27px,3vw,42px);line-height:1.15;margin:0 0 15px}
.change-list p{max-width:680px;font-size:15px;line-height:1.7;margin:0 0 16px}
.change-list a{display:inline-flex;gap:15px;border-bottom:1px solid var(--strong-rule);font-size:13px;padding-block:8px}
.change-list a:hover{border-color:var(--ink)}

.standalone .chat-main{padding-top:46px}
.chat-heading{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:28px}
.chat-heading h1{font-size:clamp(51px,6vw,77px);line-height:1.02;letter-spacing:-.05em;margin:0 0 11px}
.chat-heading p:last-child{font-size:14px;max-width:550px;margin:0}
.chat-heading-aside{display:flex;flex-direction:column;align-items:flex-end;gap:7px;text-align:right;font-size:12px}
.chat-heading-aside span{color:var(--muted)}
.chat-heading-aside a{border-bottom:1px solid var(--strong-rule);padding-bottom:4px}
.chat-gate{padding:60px min(8vw,85px);background:var(--white);border:1px solid var(--rule);border-radius:10px}
.chat-gate h2{font-size:clamp(31px,4vw,51px);margin:0 0 14px}
.chat-gate p{font-size:15px;max-width:530px;margin-bottom:26px}
.chat-login{display:flex;align-items:end;gap:12px;max-width:620px;flex-wrap:wrap}
.chat-login label{flex-basis:100%;font-size:12px;font-weight:500}
.chat-login input{flex:1;min-width:200px;min-height:51px;padding:11px 13px;border:1px solid var(--field-border);border-radius:6px;background:var(--paper);color:var(--ink);font-size:15px}
.chat-login .button{min-height:51px}
.chat-gate-link{display:inline-flex;margin-top:19px;padding-block:8px;border-bottom:1px solid var(--strong-rule);font-size:12px}
.chat-workspace{display:grid;grid-template-columns:minmax(215px,260px) minmax(0,1fr);min-height:650px;border-block:1px solid var(--strong-rule);background:var(--white)}
.chat-history{display:flex;flex-direction:column;min-width:0;max-height:820px;padding:21px 20px 24px 0;border-right:1px solid var(--rule)}
.chat-history-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}
.chat-history h2{font-size:21px;margin:0}
.chat-icon-button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;border:1px solid var(--border);border-radius:6px;background:var(--white);font-size:24px;line-height:1}
.chat-icon-button:hover{background:var(--surface-hover)}
.chat-search-label{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}
.chat-search-label+input{min-height:42px;font-size:12px}
.chat-list{flex:1;min-height:125px;overflow:auto;margin:20px -6px 15px 0;padding-right:6px}
.chat-list-row{display:flex;align-items:center;gap:3px;border-bottom:1px solid var(--rule)}
.chat-list-select{flex:1;min-width:0;min-height:50px;border:0;background:none;padding:10px 7px;text-align:left;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-list-select[aria-current=true]{font-weight:600;color:var(--ink)}
.chat-list-select:hover{background:var(--surface-hover)}
.chat-list-delete{width:30px;height:35px;flex:none;border:0;background:none;color:var(--muted);font-size:20px}
.chat-list-delete:hover{color:var(--danger)}
.chat-list-empty,.chat-history>p{font-size:11px;line-height:1.6;margin:0 0 11px;color:var(--muted)}
.chat-history>.chat-plain-button{margin-top:auto}
.chat-panel{display:flex;flex-direction:column;min-width:0;min-height:650px;padding:21px 0 20px 30px}
.chat-panel-top{display:flex;justify-content:space-between;align-items:start;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--rule)}
.chat-panel-top h2{font-size:24px;line-height:1.2;margin:7px 0 0;overflow-wrap:anywhere}
.chat-actions{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
.chat-actions .chat-plain-button{font-size:11px;min-height:34px}
.chat-model-bar{display:flex;align-items:center;gap:13px;min-width:0;padding-block:18px;border-bottom:1px solid var(--rule)}
.chat-model-bar label{flex:none;font-size:12px;color:var(--muted)}
.chat-model-bar select{flex:1;max-width:340px;min-height:42px;font-size:12px}
.chat-model-bar span{margin-left:auto;font-size:11px;color:var(--muted);text-align:right;max-width:170px;line-height:1.4}
.chat-messages{flex:1;min-height:290px;max-height:590px;overflow:auto;padding:10px 6px 18px 0;scrollbar-gutter:stable}
.chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:270px}
.chat-empty>span{font-size:36px;font-weight:300;line-height:1;margin-bottom:25px}
.chat-empty h3{font-size:30px;margin:0 0 10px}
.chat-empty p{font-size:13px;max-width:340px;margin:0}
.chat-message{padding:21px 0 24px;border-bottom:1px solid var(--rule);animation:message-enter .3s ease-out both}
.chat-message-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.chat-message-heading strong{font-size:12px;font-weight:600}
.chat-message-heading .chat-plain-button{min-height:28px;font-size:11px}
.chat-message-body{font-size:14px;line-height:1.68;white-space:pre-wrap;overflow-wrap:anywhere}
.chat-message.assistant .chat-message-body{max-width:67ch}
.chat-markdown{white-space:normal}
.chat-markdown>p{margin:0 0 13px;color:var(--ink)}
.chat-markdown>p:last-child{margin-bottom:0}
.chat-markdown .chat-md-heading{font-size:17px;line-height:1.4;margin:18px 0 9px;font-weight:600;letter-spacing:-.015em}
.chat-markdown .chat-md-heading:first-child{margin-top:0}
.chat-markdown .chat-md-heading.level-1{font-size:21px}
.chat-markdown .chat-md-heading.level-2{font-size:19px}
.chat-markdown ul,.chat-markdown ol{margin:6px 0 16px;padding-left:23px}
.chat-markdown li{padding-left:3px;margin-block:4px}
.chat-markdown blockquote{border-left:2px solid var(--strong-rule);padding-left:14px;margin:10px 0 17px;color:var(--muted);white-space:pre-wrap}
.chat-markdown hr{border:0;border-top:1px solid var(--rule);margin-block:20px}
.chat-markdown a{border-bottom:1px solid var(--strong-rule);overflow-wrap:anywhere}
.chat-markdown a:hover{border-color:var(--ink)}
.chat-markdown :not(pre)>code{padding:2px 5px;background:var(--surface-soft);border:1px solid var(--rule);border-radius:4px;font-size:.9em}
.chat-code-block{border:1px solid var(--rule);border-radius:7px;overflow:hidden;background:var(--surface-soft);margin:13px 0 17px}
.chat-code-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:8px 13px;border-bottom:1px solid var(--rule);font-size:11px;color:var(--muted)}
.chat-code-copy{min-height:32px;border:0;background:none;color:var(--ink);font-size:11px;text-decoration:underline;text-underline-offset:3px}
.chat-code-block pre{margin:0;padding:15px;max-height:390px;overflow:auto;font-family:var(--mono);font-size:12px;line-height:1.6;white-space:pre;tab-size:2;color:var(--ink)}
.chat-code-block pre code{font:inherit}
.chat-message-cost{margin:13px 0 0;font-size:11px;color:var(--muted)}
.chat-composer{border:1px solid var(--field-border);border-radius:8px;background:var(--paper);margin-top:14px;padding:12px 13px}
.chat-composer textarea{display:block;width:100%;min-height:63px;max-height:170px;resize:vertical;border:0;background:none;color:var(--ink);padding:7px 4px;font-size:14px;outline:none}
.chat-composer textarea::placeholder{color:var(--muted)}
.chat-composer:focus-within{outline:2px solid var(--focus);outline-offset:2px}
.chat-composer>div{display:flex;align-items:center;justify-content:space-between;gap:15px}
.chat-composer>div>span{font-size:11px;color:var(--muted)}
.chat-composer .button{min-height:42px;padding:8px 15px;font-size:12px}
.chat-error{margin:12px 0 0;color:var(--danger);font-size:12px}
.chat-disclosure{margin:14px 0 0;font-size:11px;color:var(--muted);line-height:1.55}

@keyframes stand-enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes message-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:950px){
  .standalone .stand-main{padding-block:50px 72px}
  .stand-heading{gap:35px;grid-template-columns:minmax(0,1fr) minmax(240px,.5fr)}
  .setup-workspace{gap:30px;grid-template-columns:minmax(210px,.6fr) minmax(0,1fr)}
  .setup-next{grid-template-columns:1fr auto}.setup-next p{grid-column:1;grid-row:2}.setup-next .button{grid-column:2;grid-row:1 / 3}
  .chat-model-bar{flex-wrap:wrap}.chat-model-bar span{width:100%;max-width:none;text-align:left;margin-left:0}
}
@media(max-width:700px){
  .standalone .site-header{gap:8px 15px}
  .standalone .main-nav{overflow:auto;justify-content:flex-start;white-space:nowrap;gap:24px;padding-bottom:2px}
  .stand-heading{display:block;padding-bottom:35px}.stand-heading h1{font-size:clamp(44px,11vw,66px)}.stand-heading>div:first-child>p:last-child{font-size:15px}
  .stand-aside{margin-top:32px;min-height:0}
  .setup-workspace{display:block;padding-block:36px}.setup-intro{margin-bottom:33px}.setup-intro>p{margin-bottom:24px}.setup-fields{grid-template-columns:1fr 1fr;gap:16px}.setup-fields label:last-of-type,.setup-field-note{grid-column:1/-1}
  .setup-facts{display:block}.setup-facts>div{border-right:0;border-bottom:1px solid var(--rule);padding:20px 0}.setup-facts>div:last-child{border-bottom:0}
  .setup-next{display:block;margin-top:43px}.setup-next p{margin:15px 0 20px}
  .change-list li{grid-template-columns:1fr;gap:10px;padding-block:28px}
  .chat-heading{display:block}.chat-heading-aside{align-items:flex-start;text-align:left;margin-top:19px}
  .chat-workspace{display:block}.chat-history{max-height:250px;border-right:0;border-bottom:1px solid var(--rule);padding:15px 0}.chat-history-top{margin-bottom:8px}.chat-history h2{font-size:18px}.chat-history>p{display:none}.chat-list{min-height:55px;max-height:88px;margin:8px 0}.chat-panel{padding:18px 0;min-height:520px}.chat-messages{min-height:260px;max-height:480px}
}
@media(max-width:420px){
  .standalone .site-header .brand{font-size:18px}.standalone .header-cabinet{font-size:11px}
  .setup-fields{display:block}.setup-fields label{margin-bottom:15px}.setup-field-note{margin:0 0 15px}
  .recipe-top{padding:17px 18px}.recipe-top h3{font-size:20px}.setup-recipe pre{padding:21px 18px;font-size:11px}.setup-recipe>p{padding:15px 18px}
  .chat-panel-top{display:block}.chat-actions{justify-content:flex-start;margin-top:7px}.chat-model-bar label{width:100%}.chat-model-bar select{max-width:none}.chat-composer>div>span{display:none}.chat-composer>div{justify-content:flex-end}
}
@media(prefers-reduced-motion:reduce){.stand-heading,.chat-message{animation:none!important}}