.guide-launch{background:var(--paper);color:var(--ink);cursor:pointer;gap:7px}
.guide-launch>span:first-child{font-size:20px;line-height:1;color:var(--brand)}
.demo-screen{position:relative;display:block;width:100%;padding:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 20px 38px -28px #3b2929;cursor:zoom-in}
.demo-screen video{display:block;width:100%;height:auto;aspect-ratio:5/4;pointer-events:none}
.expand-hint{position:absolute;right:12px;top:12px;display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid #ddd4ce;border-radius:7px;background:#fffefaf2;color:#332a26;box-shadow:0 2px 6px #0001;font:500 12px/1.4 var(--font, sans-serif);pointer-events:none}
.expand-hint>span:first-child{font:21px/1 sans-serif}.demo-screen:hover .expand-hint,.guide-image-wrap:hover .expand-hint{border-color:var(--brand);color:var(--brand)}
.demo-stages{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-top:15px}
.demo-stages>span{display:flex;gap:6px;align-items:baseline;border-top:2px solid var(--line);padding-top:7px;flex:1;transition:color .15s,border-color .15s}
.demo-stages>span.active{border-color:var(--brand);color:var(--ink)}
.demo-stages b{font-size:10px;color:var(--brand)}
.demo-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;font-size:12px;color:var(--muted)}
#demo-toggle{flex-shrink:0;display:inline-flex;gap:5px;align-items:center;border:0;background:none;color:var(--muted);cursor:pointer;padding:7px 0 7px 7px;font-size:12px}
#demo-toggle:hover{color:var(--brand)}.play-icon{font-size:15px;min-width:12px}
.how h2 button,.steps button{display:flex;align-items:center;gap:12px;color:inherit;font:inherit;background:none;border:0;cursor:pointer;text-align:left;padding:6px 0}
.how h2 button{font-weight:600;white-space:nowrap}.how h2 button>span:last-child{color:var(--brand)}
.steps button:hover,.how h2 button:hover{color:var(--brand)}.steps li{display:block}
.guide-open{overflow:hidden}
#how-dialog [hidden]{display:none!important}
#how-dialog{width:min(1050px,calc(100% - 40px));max-width:none;max-height:calc(100dvh - 40px);padding:0;border:1px solid var(--line);border-radius:18px;background:var(--paper);color:var(--ink);box-shadow:0 25px 100px #0004}
#how-dialog::backdrop{background:#17121199;backdrop-filter:blur(4px)}
.guide-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px 16px}
.guide-header h2{font-size:23px;letter-spacing:-.03em;line-height:1.35;margin:0}
.guide-close{border:1px solid var(--line);border-radius:50%;width:44px;height:44px;flex:none;background:var(--paper);color:var(--muted);font:26px/1 sans-serif;cursor:pointer}
.guide-tabs{display:flex;gap:18px;padding:0 28px;border-bottom:1px solid var(--line)}
.guide-tabs button{display:flex;align-items:center;gap:8px;border:0;border-bottom:2px solid transparent;border-radius:0;padding:12px 0;background:none;color:var(--muted);cursor:pointer;font-size:14px}
.guide-tabs b{font-size:11px;font-weight:500}.guide-tabs [aria-selected=true]{color:var(--brand);border-color:var(--brand)}
.guide-panel{display:grid;grid-template-columns:1.4fr 1fr;min-width:0;outline-offset:-4px;align-items:center}
.guide-image-wrap{position:relative;min-width:0;aspect-ratio:5/4;background:#f1efed;margin:24px 0 24px 24px;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;cursor:zoom-in}
#guide-image{display:block;width:100%;height:100%;object-fit:contain;background:#fff}
.guide-panel[data-step="1"] #guide-image{width:auto;max-width:100%;height:calc(100% - 24px);border-radius:8px;box-shadow:0 5px 24px #0001}
.guide-panel[data-step="1"] .guide-image-wrap{background:var(--soft)}
.guide-pointer{display:none;position:absolute;width:34px;height:34px;border:2px solid var(--brand);border-radius:50%;box-shadow:0 0 0 4px #bd382920;transform:translate(-50%,-50%);pointer-events:none}
.guide-panel[data-step="0"] .guide-pointer{display:block}
.guide-copy{padding:26px 28px;min-width:0}.guide-copy h3{font-size:24px;line-height:1.4;letter-spacing:-.03em;margin:0 0 14px;text-wrap:balance}
.guide-copy>p{font-size:15px;color:var(--muted);line-height:1.75;margin:0}
.guide-formats{margin-top:22px}.guide-formats p{border-left:2px solid var(--line);padding-left:12px;margin:16px 0}.guide-formats p:last-child{border-color:var(--brand)}
.guide-formats strong,.guide-formats span{display:block}.guide-formats strong{font-size:13px;margin-bottom:4px}.guide-formats span{font-size:13px;line-height:1.6;color:var(--muted)}
.guide-install{display:inline-block;margin-top:22px;color:var(--brand);font-size:14px;font-weight:500}
.guide-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;border-top:1px solid var(--line)}
.guide-footer>span{font-size:11px;color:var(--muted)}.guide-footer>div{display:flex;gap:10px}.guide-footer .btn{font-size:14px;padding:9px 16px;min-width:70px;cursor:pointer}.guide-footer .btn:not(.primary){background:var(--paper);color:var(--ink)}.guide-footer .btn:disabled{opacity:.4;cursor:default}
#media-dialog{width:min(1720px,calc(100% - 24px));height:calc(100dvh - 24px);max-width:none;max-height:none;padding:0;border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);overflow:hidden;box-shadow:0 25px 100px #0005}
#media-dialog[open]{display:flex;flex-direction:column}#media-dialog [hidden]{display:none!important}
#media-dialog::backdrop{background:#171211cc;backdrop-filter:blur(5px)}
.media-header{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:18px;padding:12px 18px;border-bottom:1px solid var(--line);flex:none}
.media-header h2{font-size:18px;line-height:1.4;margin:0}.media-header #media-close{grid-column:3;grid-row:1}.media-tools{grid-column:2;grid-row:1;display:flex;align-items:center;gap:12px}
.media-tools button{min-width:44px;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--ink);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.media-tools button:hover{border-color:var(--brand);color:var(--brand)}.media-tools button:disabled{opacity:.35;cursor:default}
.media-zoom{display:flex;align-items:center;gap:4px}.media-zoom button{font:24px/1 sans-serif}#media-scale{min-width:48px;text-align:center;font:13px/1.5 monospace}
#media-viewport{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;background:#eae6e2;outline-offset:-3px;scrollbar-gutter:stable both-edges}
#media-stage{position:relative;min-width:100%;min-height:100%}#media-stage>img,#media-stage>video{display:block;position:absolute;max-width:none;background:#fff}
#media-timeline{display:flex;align-items:center;gap:14px;padding:0 18px;border-top:1px solid var(--line);flex:none}#media-seek{flex:1;min-width:0;height:44px;accent-color:var(--brand);cursor:pointer}#media-time{flex:none;font:12px/1.5 monospace;color:var(--muted)}
.media-help{margin:0;padding:9px 18px;border-top:1px solid var(--line);font-size:12px;line-height:1.5;color:var(--muted);flex:none}
#media-status:empty{display:none}#media-status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:calc(100% - 32px);padding:12px 18px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font-size:14px;text-align:center;pointer-events:none}
@media(max-width:760px){
 .hero-grid{gap:28px}.demo{max-width:520px;width:100%;margin:auto}.demo-stages{font-size:11px}.demo-caption,#demo-toggle{font-size:11px}.how .wrap{display:block}.how h2{margin-bottom:10px}.steps{gap:6px}.steps button{font-size:14px}.how h2 button{font-size:15px}
 #how-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);border-radius:13px}.guide-header{padding:18px 18px 12px;position:sticky;top:0;background:var(--paper);z-index:2}.guide-header h2{font-size:19px}.guide-tabs{padding:0 18px;gap:12px;justify-content:space-between}.guide-tabs button{font-size:12px;gap:5px}
 .guide-panel{display:block}.guide-panel[data-step="1"] .guide-image-wrap{aspect-ratio:auto;height:460px;max-height:none}.guide-image-wrap{margin:16px 16px 0;max-height:360px}.guide-copy{padding:20px}.guide-copy h3{font-size:21px;margin-bottom:10px}.guide-copy>p{font-size:14px}.guide-formats{margin-top:16px}.guide-install{margin-top:16px}.guide-footer{padding:14px 16px;flex-wrap:wrap}.guide-footer>div{margin-left:auto}.guide-pointer{width:27px;height:27px}
 #media-dialog{width:calc(100% - 12px);height:calc(100dvh - 12px);border-radius:10px}.media-header{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px}.media-header h2{font-size:15px}.media-header #media-close{grid-column:2}.media-tools{grid-row:2;grid-column:1/-1;justify-content:center;gap:8px}.media-tools button{font-size:12px;padding:8px}.media-zoom button{font-size:24px}.media-zoom{gap:1px}#media-scale{min-width:40px}.media-help{font-size:11px;padding:8px 12px}.expand-hint{font-size:11px;padding:5px 8px;top:8px;right:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.demo-stages>span{transition:none}}