/* Model workflow guide. Uses shared media/workspace tokens. */
:root{
  --m-krea2:#f0a46b; --m-qwen:#7fb6ff; --m-moss:#5fd1b8; --m-h3:#c9a0ff;
  --mg-wire:color-mix(in srgb,var(--media-text) 14%,transparent);
}
html[data-theme="light"],html[data-theme="sepia"]{
  --m-krea2:#c4621f; --m-qwen:#2f6fd6; --m-moss:#11866f; --m-h3:#7d4bd1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
@supports (overflow:clip){html{overflow-x:clip}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--media-bg);color:var(--media-text);font:16px/1.6 var(--media-sans);-webkit-font-smoothing:antialiased}
a{color:var(--media-accent)}
code{font:12px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}
.skip-link{position:absolute;left:-999px}.skip-link:focus{left:12px;top:12px;z-index:9;background:var(--media-surface);padding:8px 12px;border-radius:6px}

/* Global bar: mirrors the Image Atlas main bar (brand · work areas · record · theme). */
.mg-header{position:sticky;top:0;z-index:20;display:flex;flex-wrap:nowrap;align-items:center;gap:4px 6px;height:51px;padding:3px 8px;
  background:var(--workspace-soft,var(--media-bg));color:var(--workspace-ink,var(--media-text));border-bottom:1px solid var(--workspace-line,var(--media-border));
  font:500 13px/1.2 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",sans-serif}
.mg-header a{color:inherit;text-decoration:none}
.mg-brand,.mg-area,.mg-record,.mg-theme>summary{box-sizing:border-box;display:inline-flex;align-items:center;gap:5px;min-height:44px;white-space:nowrap}
.mg-brand{font-size:12px;font-weight:650;letter-spacing:-.025em;border-radius:9px}
.mg-brand svg{width:12px;height:12px;flex:none;fill:none;stroke:currentColor;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round}
.mg-areas{display:flex;flex-wrap:nowrap;gap:2px;min-width:0}
.mg-area{padding:0 6px;border:1px solid transparent;border-radius:9px;font-size:12px}
.mg-area:hover{background:color-mix(in srgb,var(--workspace-panel,var(--media-surface)) 70%,transparent)}
.mg-area[aria-current]{background:var(--workspace-tint);color:var(--workspace-accent);border:1px solid var(--workspace-accent);border-radius:8px;font-weight:650}
.mg-area::before{content:"";display:inline-block;width:16px;height:16px;flex:none;background:currentColor;mask:var(--mg-icon) center/contain no-repeat;-webkit-mask:var(--mg-icon) center/contain no-repeat}
.mg-area[data-area=library]{--mg-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Cpath d='m4 17 5-5 4 4 3-3 4 4M8 9h.1'/%3E%3C/svg%3E")}
.mg-area[data-area=benchmark]{--mg-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Cpath d='M3 10h18m-12 0v10'/%3E%3C/svg%3E")}
.mg-area[data-area=guide]{--mg-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 5.5A2.5 2.5 0 0 1 6.5 3H20v15H6.5A2.5 2.5 0 0 0 4 20.5zM4 20.5A2.5 2.5 0 0 0 6.5 23H20v-5M9 8h7m-7 4h5'/%3E%3C/svg%3E")}
.mg-record{margin-inline-start:auto;padding:0 6px;font-size:12px;color:var(--workspace-muted,var(--media-muted))!important}
.mg-theme{position:relative}
.mg-theme>summary{list-style:none;cursor:pointer}
.mg-theme>summary::-webkit-details-marker{display:none}
.mg-theme-body{position:absolute;inset:calc(100% + 6px) 0 auto auto;z-index:30;display:grid;gap:6px;width:min(280px,calc(100vw - 16px));padding:12px;
  border:1px solid var(--workspace-line,var(--media-border));border-radius:12px;background:var(--workspace-panel,var(--media-surface));box-shadow:0 12px 30px #0000002e;font-size:12px}
.mg-theme-body span{color:var(--workspace-muted,var(--media-muted))}
.mg-theme-body select{min-height:40px;font:inherit;font-size:14px;color:inherit;background:var(--workspace-bg,var(--media-bg));border:1px solid var(--workspace-line,var(--media-border));border-radius:8px;padding:0 8px}
@media (max-width:600px){.mg-brand svg{display:none}}
.mg-jump{margin:28px 0 0;font-size:14px}
.mg-jump a{text-decoration:none;border-bottom:1px solid currentColor}

/* hero */
.mg-hero{min-height:82vh;display:flex;flex-direction:column;justify-content:center;max-width:980px;margin:0 auto;padding:64px clamp(20px,5vw,48px)}
.mg-kicker{margin:0 0 10px;color:var(--media-muted);font-size:13px;letter-spacing:.08em}
.mg-hero h1{margin:0;font:600 clamp(40px,7.4vw,84px)/1.04 var(--media-serif);letter-spacing:-.02em}
.mg-lede{max-width:34em;margin:22px 0 28px;color:var(--media-muted);font-size:clamp(17px,2vw,20px)}
.mg-legend{display:flex;flex-wrap:wrap;gap:10px 22px;margin:0;padding:0;list-style:none}
.mg-legend li{display:flex;align-items:center;gap:8px;font-weight:600}
.mg-legend i,.mg-picker i{width:10px;height:10px;border-radius:50%;background:var(--m);box-shadow:0 0 0 4px color-mix(in srgb,var(--m) 22%,transparent)}
.mg-legend small{color:var(--media-muted);font-weight:400;font-size:12px}
.mg-scroll-cue{margin-top:56px;color:var(--media-muted);font-size:13px}
.mg-scroll-cue::after{content:"";display:block;width:1px;height:42px;margin-top:10px;background:linear-gradient(var(--media-muted),transparent);animation:mg-cue 2.2s ease-in-out infinite}
@keyframes mg-cue{0%,100%{transform:scaleY(.4);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}

/* story: fixed stage + invisible scroll steps */
.mg-story{position:relative;overflow-x:clip}
.mg-stage{position:sticky;top:52px;height:calc(100vh - 52px);height:calc(100svh - 52px);display:grid;grid-template-rows:auto 1fr;gap:clamp(12px,2.4vh,28px);
  padding:clamp(16px,3vh,36px) clamp(16px,4vw,40px) 24px;max-width:1360px;margin:0 auto}
.mg-steps{position:relative;margin-top:calc(-100vh + 52px);margin-top:calc(-100svh + 52px)}
.mg-step{height:100vh;height:100svh}
.mg-caption{max-width:780px;min-height:8.5em}
.mg-scene-no{margin:0 0 6px;color:var(--media-muted);font:600 12px/1 var(--media-sans);letter-spacing:.12em}
.mg-caption h2{margin:0 0 8px;font:600 clamp(24px,3.4vw,38px)/1.18 var(--media-serif);letter-spacing:-.01em}
.mg-caption p:last-child{margin:0;color:var(--media-muted);font-size:clamp(15px,1.5vw,17px);max-width:40em}
.mg-caption.is-in h2,.mg-caption.is-in p:last-child{animation:mg-rise .55s cubic-bezier(.2,.7,.2,1) both}
.mg-caption.is-in p:last-child{animation-delay:.06s}
@keyframes mg-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.mg-board-wrap{align-self:stretch;display:flex;flex-direction:column;min-height:0;min-width:0;max-width:100%;overflow:hidden}
.mg-board-wrap>.mg-board{margin-block:auto}
.mg-dots{position:absolute;right:clamp(6px,1.4vw,18px);top:50%;transform:translateY(-50%);display:grid;gap:10px;margin:0;padding:0;list-style:none}
.mg-dots button{width:10px;height:10px;padding:0;border:1px solid var(--media-muted);border-radius:50%;background:transparent;cursor:pointer}
.mg-dots button[aria-current="step"]{background:var(--media-text);border-color:var(--media-text);transform:scale(1.25)}

/* board: rows = models, columns = stages */
.mg-board{--cols:repeat(6,minmax(0,1fr));display:grid;gap:8px}
.mg-row{display:grid;grid-template-columns:172px var(--cols);gap:8px;align-items:stretch;position:relative;
  transition:grid-template-columns .7s cubic-bezier(.2,.7,.2,1)}
.mg-row:not(.mg-head)::before{content:"";position:absolute;left:8%;right:2%;top:50%;height:2px;background:var(--mg-wire);z-index:0}
.mg-row:not(.mg-head)::after{content:"";position:absolute;top:calc(50% - 2px);left:8%;right:2%;height:6px;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--m),transparent) 0 0/70px 100% no-repeat;filter:blur(1px);opacity:.75;z-index:0;animation:mg-flow 3.6s linear infinite}
.mg-row[data-model="qwen"]::after{animation-delay:-.9s}.mg-row[data-model="moss"]::after{animation-delay:-1.8s}.mg-row[data-model="h3"]::after{animation-delay:-2.7s}
@keyframes mg-flow{from{background-position:0 0}to{background-position:100% 0}}
.mg-head{min-height:44px}
.mg-col-head{min-width:0;display:flex;flex-direction:column;justify-content:flex-end;padding:0 4px 4px;color:var(--media-muted);overflow:hidden;transition:color .4s}
.mg-col-head b{font-size:13px;white-space:nowrap}
.mg-col-head small{font-size:11px;line-height:1.3;opacity:0;max-height:0;transition:opacity .4s,max-height .4s}
.mg-col-head.is-active{color:var(--media-text)}.mg-col-head.is-active small{opacity:.8;max-height:3em}
.mg-label{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:2px;padding-left:14px;border-left:3px solid var(--m);position:relative;z-index:1;background:var(--media-bg)}
.mg-label b{font-size:15px;line-height:1.2}
.mg-label small{color:var(--media-muted);font-size:11.5px}
.mg-head .mg-label{border:0}

.mg-cell{position:relative;z-index:1;min-width:0;min-height:clamp(78px,13vh,128px);padding:10px 12px;border:1px solid var(--media-border);border-radius:12px;
  background:var(--media-surface);color:inherit;font:inherit;text-align:left;cursor:default;overflow:hidden;
  transition:border-color .45s,background .45s,opacity .45s,transform .45s}
.mg-cell-inner{display:flex;flex-direction:column;align-items:flex-start;gap:6px;height:100%;transition:opacity .45s}
.mg-board[data-mode="story"] .mg-cell:not(.is-active) .mg-cell-inner > :not(.mg-chip:first-child){opacity:0;max-height:0;margin:0;overflow:hidden}
.mg-board[data-mode="story"] .mg-cell .mg-cell-inner > *{transition:opacity .5s .1s,max-height .6s}
.mg-board[data-mode="story"][data-active=""] .mg-cell{opacity:1}
.mg-board[data-mode="story"]:not([data-active=""]) .mg-cell:not(.is-active) .mg-cell-inner{opacity:.4}
.mg-cell.is-active{border-color:color-mix(in srgb,var(--m) 55%,var(--media-border));background:color-mix(in srgb,var(--m) 7%,var(--media-surface))}

.mg-chip{display:inline-block;max-width:100%;padding:2px 9px;border-radius:999px;border:1px solid var(--media-border);font-size:12px;line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:var(--media-surface-raised)}
.mg-chip.is-accent{border-color:color-mix(in srgb,var(--m) 50%,transparent);color:var(--m);background:color-mix(in srgb,var(--m) 10%,transparent)}
.mg-chip.is-built-in{border-style:dashed}
.mg-chip.is-quiet{color:var(--media-muted)}
.mg-board[data-mode="story"] .mg-cell[data-stage="tuners"] .mg-chip.is-accent:first-child{max-width:100%}
.mg-detail-text{margin:0;color:var(--media-muted);font-size:12.5px;line-height:1.45}
.mg-big{margin:0;font:600 clamp(22px,2.6vw,34px)/1 var(--media-serif);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px;flex-wrap:wrap}
.mg-big small{font:500 13px var(--media-sans);color:var(--media-muted)}
.mg-cfg{margin-left:8px;font:600 12px var(--media-sans);color:var(--m);padding:2px 7px;border-radius:6px;background:color-mix(in srgb,var(--m) 12%,transparent)}

.mg-bar{width:100%;height:8px;border-radius:4px;background:var(--media-surface-raised);overflow:hidden}
.mg-bar i{display:block;height:100%;width:0;border-radius:4px;background:var(--m);transition:width .9s cubic-bezier(.2,.7,.2,1) .15s}
.mg-cell.is-active .mg-bar i,.mg-board[data-mode="explore"] .mg-bar i{width:var(--v)}

.mg-steps-dots{display:flex;flex-wrap:wrap;gap:4px;max-width:100%}
.mg-steps-dots i{width:9px;height:9px;border-radius:50%;background:var(--m);opacity:0;transform:scale(.3)}
.mg-cell.is-active .mg-steps-dots i,.mg-board[data-mode="explore"] .mg-steps-dots i{animation:mg-dot .35s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(var(--i) * 45ms)}
@keyframes mg-dot{to{opacity:.9;transform:none}}

.mg-out{display:flex;align-items:flex-end;gap:12px}
.mg-tuner-note{margin:-2px 0 4px;max-width:34em}
.mg-canvas{flex:none;width:clamp(40px,5vw,72px);aspect-ratio:1;display:grid;place-items:end start;border:1px dashed var(--media-border);border-radius:4px}
.mg-canvas i{display:block;width:0;aspect-ratio:1;border-radius:3px;background:color-mix(in srgb,var(--m) 70%,transparent);transition:width .9s cubic-bezier(.2,.7,.2,1) .1s}
.mg-cell.is-active .mg-canvas i,.mg-board[data-mode="explore"] .mg-canvas i{width:var(--s)}

/* explore */
.mg-explore{max-width:1360px;margin:0 auto;padding:12vh clamp(16px,4vw,40px) 40px;border-top:1px solid var(--media-border)}
.mg-explore-head{max-width:760px;margin-bottom:24px}
.mg-explore h2{margin:0 0 8px;font:600 clamp(26px,3.4vw,38px)/1.15 var(--media-serif)}
.mg-explore-head p{margin:0 0 18px;color:var(--media-muted)}
.mg-picker{display:flex;flex-wrap:wrap;gap:8px}
.mg-picker button{display:inline-flex;align-items:center;gap:9px;min-height:40px;padding:0 16px;border:1px solid var(--media-border);border-radius:999px;
  background:var(--media-surface);color:var(--media-muted);font:600 14px var(--media-sans);cursor:pointer;transition:all .25s}
.mg-picker button[aria-pressed="true"]{color:var(--media-text);border-color:var(--m);background:color-mix(in srgb,var(--m) 12%,var(--media-surface))}
.mg-picker button[aria-pressed="false"] i{box-shadow:none;opacity:.5}
.mg-picker button:focus-visible,.mg-cell:focus-visible,.mg-dots button:focus-visible{outline:var(--media-focus);outline-offset:2px}
.mg-board-scroll{overflow-x:auto;padding-bottom:6px}
.mg-board[data-mode="explore"]{min-width:880px}
.mg-board[data-mode="explore"] .mg-cell{cursor:pointer;min-height:132px}
.mg-board[data-mode="explore"] .mg-cell:hover{border-color:color-mix(in srgb,var(--m) 50%,var(--media-border))}
.mg-board[data-mode="explore"] .mg-cell.is-open{border-color:var(--m);box-shadow:0 0 0 1px var(--m)}
.mg-board[data-count="2"] .mg-cell.is-same .mg-cell-inner{opacity:.4}
.mg-board[data-mode="explore"] .mg-tuner-note{display:none}
.mg-board[data-count="2"] .mg-cell.is-diff{border-color:color-mix(in srgb,var(--m) 60%,var(--media-border));background:color-mix(in srgb,var(--m) 8%,var(--media-surface))}
.mg-board[data-count="2"] .mg-col-head.is-diff b::after{content:"다름";margin-left:6px;padding:1px 6px;border-radius:5px;font-size:10.5px;background:var(--media-text);color:var(--media-bg)}
.mg-board[data-count="2"] .mg-col-head.is-same{opacity:.55}

.mg-detail{margin:18px 0 0;padding:18px 22px;border-left:3px solid var(--m);border-radius:0 12px 12px 0;background:var(--media-surface);max-width:760px;animation:mg-rise .35s both}
.mg-detail p,.mg-detail li{margin:0 0 8px}.mg-detail ul{margin:0;padding-left:18px}
.mg-detail code{color:var(--m)}
.mg-nodes{margin-top:40px}
.mg-nodes h3{margin:0 0 12px;font-size:14px;color:var(--media-muted);font-weight:600}
.mg-node-row{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--media-border)}
.mg-node-row b{border-left:3px solid var(--m);padding-left:10px;font-size:14px}
.mg-node-row span{display:flex;flex-wrap:wrap;gap:6px}
.mg-node-row code{padding:2px 7px;border-radius:5px;background:var(--media-surface-raised);color:var(--media-muted)}

.mg-foot{max-width:1360px;margin:0 auto;padding:28px clamp(16px,4vw,40px) 64px;color:var(--media-muted);font-size:13px;border-top:1px solid var(--media-border)}
.mg-foot p{margin:0 0 6px}
.mg-error{color:var(--media-muted)}

/* narrow screens: active column takes the room, others shrink to slivers */
@media (max-width:760px){
  .mg-stage{gap:10px;padding:12px 12px 10px}
  .mg-caption{min-height:9.8rem}
  .mg-caption h2{font-size:21px;margin-bottom:6px}
  .mg-caption p:last-child{font-size:13.5px;line-height:1.5}
  .mg-head{min-height:34px}
  .mg-board[data-mode="story"] .mg-cell{min-height:58px;padding:7px}
  .mg-board[data-mode="story"] .mg-cell-inner{gap:4px}
  .mg-board[data-mode="story"] .mg-big{font-size:20px}
  .mg-board[data-mode="story"] .mg-big small{font-size:11px}
  .mg-board[data-mode="story"] .mg-steps-dots{gap:3px}
  .mg-board[data-mode="story"] .mg-steps-dots i{width:6px;height:6px}
  .mg-board[data-mode="story"] .mg-chip{font-size:11px;padding:1px 7px}
  .mg-board[data-mode="story"] .mg-detail-text{font-size:11.5px}
  .mg-out{flex-direction:row;align-items:center;gap:8px}
  .mg-board[data-mode="story"] .mg-col-head small{display:none}
  .mg-board[data-mode="story"] .mg-cell.is-active[data-stage="draw"] .mg-chip{display:none}
  .mg-board[data-mode="story"] .mg-canvas{width:34px}
  .mg-tuner-note{display:none}
  .mg-row{grid-template-columns:76px var(--cols);gap:5px}
  .mg-board{gap:6px}
  .mg-label{padding-left:8px}.mg-label b{font-size:12.5px}.mg-label small{display:none}
  .mg-col-head b{font-size:11px}
  .mg-board[data-mode="story"] .mg-col-head:not(.is-active) b{writing-mode:vertical-rl;font-size:10px;opacity:.7}
  .mg-board[data-mode="story"] .mg-cell:not(.is-active) .mg-chip{opacity:0}
  .mg-board[data-mode="story"][data-active=""] .mg-cell .mg-chip{opacity:1;font-size:10px;padding:1px 5px}
  .mg-node-row{grid-template-columns:1fr}
  .mg-dots{display:none}
}
@media (prefers-reduced-motion:reduce){
  .mg-row::after,.mg-scroll-cue::after{animation:none;display:none}
  .mg-row,.mg-cell,.mg-bar i,.mg-canvas i{transition:none}
  .mg-steps-dots i{animation:none!important;opacity:.9;transform:none}
  .mg-caption.is-in h2,.mg-caption.is-in p:last-child{animation:none}
}
@media (max-width:760px) and (max-height:700px){
  .mg-caption{min-height:8.4rem}
  .mg-caption h2{font-size:18px}
  .mg-caption p:last-child{font-size:12.5px}
  .mg-board[data-mode="story"] .mg-cell{min-height:50px;padding:6px}
  .mg-board{gap:4px}.mg-row{gap:4px}
  .mg-board[data-mode="story"] .mg-cell.is-active:not([data-stage="tuners"]) .mg-chip{display:none}
  .mg-board[data-mode="story"] .mg-cell.is-active:is([data-stage="draw"],[data-stage="output"]) .mg-detail-text{display:none}
  .mg-head{min-height:26px}
}
/* shorter desktop/laptop screens: tighten the stage so every scene fits */
@media (min-width:761px) and (max-height:940px){
  .mg-stage{gap:12px;padding-top:18px}
  .mg-caption{min-height:7.4em}
  .mg-board[data-mode="story"] .mg-cell{min-height:clamp(66px,10.5vh,104px);padding:8px 11px}
  .mg-board[data-mode="story"] .mg-tuner-note{font-size:11.5px;line-height:1.35;margin:-3px 0 2px}
  .mg-board[data-mode="story"] .mg-cell-inner{gap:5px}
}
@media (min-width:761px) and (max-height:800px){
  .mg-caption{min-height:6.2em}
  .mg-caption h2{font-size:26px;margin-bottom:4px}
  .mg-caption p:last-child{font-size:14.5px;line-height:1.5}
  .mg-head{min-height:28px}
  .mg-board[data-mode="story"] .mg-col-head small,
  .mg-board[data-mode="story"] .mg-tuner-note,
  .mg-board[data-mode="story"] .mg-cell[data-stage="draw"] .mg-detail-text,
  .mg-board[data-mode="story"] .mg-cell[data-stage="output"] .mg-detail-text{display:none}
  .mg-board[data-mode="story"] .mg-big{font-size:24px}
  .mg-board[data-mode="story"] .mg-cell{min-height:60px}
}