.ideal-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 42px;border-bottom:1px solid var(--line)}
.ideal-header nav{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
.ideal-main{max-width:1100px}.ideal-intro{padding:70px 0 34px}.ideal-intro h1{font-size:clamp(38px,5vw,65px);max-width:18ch}.ideal-lede{font-size:20px;margin:22px 0 28px;max-width:63ch}
.ideal-status{display:flex;flex-direction:column;gap:4px;padding:16px 22px;border:1px solid var(--line);border-left:4px solid var(--consumer);border-radius:8px;background:white;font-size:14px}.ideal-status b{font-size:16px}
.change-list{border-top:1px solid var(--line);margin:24px 0}.api-change{border-bottom:1px solid var(--line);scroll-margin-top:20px}.api-change>summary{cursor:pointer;padding:18px 4px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 20px}.api-change>summary::before{content:'+';grid-column:2;grid-row:1;font-size:22px;color:var(--adapter)}.api-change[open]>summary::before{content:'−'}.change-title{grid-column:1;grid-row:1;font-size:19px;font-weight:650}.change-state{grid-column:1;font-size:12px;color:var(--adapter)}.change-summary{grid-column:1/-1;font-size:15px;max-width:88ch;color:var(--muted)}.change-body{padding:0 4px 22px;min-width:0}.change-body>p{margin:14px 0;font-size:15px}.change-roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}.change-roles>div{min-width:0;border-left:3px solid;padding:4px 14px}.change-roles .consumer{border-color:var(--consumer)}.change-roles .adapter{border-color:var(--adapter)}.change-roles .implementor{border-color:var(--implementor)}.change-roles dt{font-size:12px;font-weight:700;margin-bottom:8px}.change-roles dd{margin:0;font-size:14px;color:var(--ink)}.change-open{padding:14px 16px;border-left:3px solid var(--line);background:white}.change-evidence{line-height:1.9}.api-change summary:focus-visible{outline:2px solid var(--adapter);outline-offset:4px}.ideal-changes .api-section{min-width:0}
@media(max-width:680px){.change-roles{grid-template-columns:1fr}.change-title{font-size:17px}.change-summary{font-size:14px}.api-change>summary{gap:6px 12px}}
.ideal-role{padding:42px 0;border-top:1px solid var(--line)}.ideal-role h2{font-size:clamp(28px,3.5vw,38px);margin-bottom:18px}.ideal-role>p{margin:16px 0}.ideal-role>h3{font-size:23px;margin-top:30px}
.ideal-step{margin:28px 0;padding:22px 24px;border:1px solid var(--line);border-radius:12px;background:#fff}.ideal-step-heading{display:flex;gap:15px;align-items:flex-start;margin-bottom:14px}.ideal-step-heading>span{background:var(--consumer-bg);color:var(--consumer);border-radius:50%;min-width:30px;height:30px;text-align:center;font-weight:700}.ideal-step h3{font-size:23px;margin:1px 0 8px}.ideal-step-heading p{font-size:15px;color:var(--muted)}.ideal-note{font-size:14px;margin-top:14px;color:var(--muted)}
.ideal-signatures{margin:16px 0}.ideal-signatures>summary{cursor:pointer;font-size:14px;font-weight:650;color:var(--adapter);padding:8px 0}.ideal-signatures>p{font-size:14px;margin:10px 0}.ideal-signatures .api-section{margin-top:12px}.ideal-signatures pre{overflow:auto;max-width:100%;font-size:13px}.ideal-transport-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;margin:28px 0}.ideal-transport-grid>article{min-width:0}.ideal-transport-grid h3{font-size:23px;margin-bottom:10px}.ideal-transport-grid p{font-size:15px;margin-bottom:14px}
.ideal-decision{border:1px solid var(--line);border-radius:12px;padding:22px;margin:28px 0}.ideal-state{display:flex;flex-direction:column;gap:7px;padding:18px;border-radius:9px;border:1px solid var(--line)}.ideal-state.consumer{background:var(--consumer-bg)}.ideal-state.adapter{background:var(--adapter-bg)}.ideal-state.implementor{background:var(--implementor-bg)}.ideal-state span{font-size:14px}.ideal-decision-label{text-align:center;margin:18px 0;font-weight:650}.ideal-branches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.ideal-decision figcaption{font-size:13px;margin-top:16px}.ideal-role table{font-size:14px}.ideal-role th,.ideal-role td{padding:12px;vertical-align:top;text-align:left}.ideal-role th{background:#edf1ed}.ideal-role td{border-bottom:1px solid var(--line)}.ideal-role pre code{font-family:var(--mono)}
@media(max-width:680px){.ideal-header{padding:16px 20px;align-items:flex-start}.ideal-header nav{gap:8px 14px;font-size:12px;justify-content:flex-end}.ideal-main{padding-left:20px;padding-right:20px}.ideal-intro{padding-top:38px}.ideal-lede{font-size:18px}.ideal-step{padding:18px 14px}.ideal-step-heading{gap:10px}.ideal-step h3{font-size:20px}.ideal-branches{grid-template-columns:1fr}.ideal-decision{padding:15px}.ideal-role table{min-width:670px}.ideal-status{padding:14px}}