.mel-doc-root{display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden;background:radial-gradient(130% 90% at 50% -5%,color-mix(in srgb,var(--mel-accent-indigo,#7C6FF0) 12%,var(--mel-surface-bg,var(--background))) 0%,var(--mel-surface-bg,var(--background)) 60%);color:var(--mel-text-primary);position:relative;isolation:isolate;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.mel-doc-root *{box-sizing:border-box}
@media (prefers-reduced-motion: reduce){.mel-doc-root *{animation:none!important;transition:none!important}}
/* Ambient WebGL signal field backdrop (decorative, behind everything) */
.mel-doc-fieldbg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.85;-webkit-mask-image:linear-gradient(180deg,#000 0%,#000 68%,transparent 100%);mask-image:linear-gradient(180deg,#000 0%,#000 68%,transparent 100%)}
.mel-doc-fieldbg,.mel-doc-fieldbg>div,.mel-doc-fieldbg canvas{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;display:block!important}
.light .mel-doc-fieldbg{opacity:.62}

/* Sidebar (glass) */
.mel-doc-side{position:relative;z-index:2;flex:0 0 clamp(214px,18vw,288px);display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--mel-border-subtle);background:color-mix(in srgb,var(--mel-surface-sidebar,var(--mel-surface-panel)) 82%,transparent);-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);box-shadow:inset -1px 0 0 color-mix(in srgb,#fff 7%,transparent)}
.mel-doc-brand{display:flex;align-items:center;gap:11px;padding:18px 18px 12px}
.mel-doc-brand-logo{width:42px;height:42px;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(124,111,240,.45))}
.mel-doc-brand-title{font-size:15px;font-weight:700;letter-spacing:-.02em}
.mel-doc-brand-sub{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mel-text-muted);margin-top:1px}
.mel-doc-searchbox{display:flex;align-items:center;gap:8px;margin:0 14px 10px;padding:8px 11px;border-radius:11px;border:1px solid var(--mel-border-default);background:var(--mel-surface-1);color:var(--mel-text-muted)}
.mel-doc-searchbox input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--mel-text-primary);font-size:13px}
.mel-doc-searchbox button{display:grid;place-items:center;color:var(--mel-text-muted);background:transparent;border:0;cursor:pointer}
.mel-doc-kbd{font-size:10px;font-weight:700;padding:2px 6px;border-radius:6px;border:1px solid var(--mel-border-default);background:var(--mel-surface-2);color:var(--mel-text-muted);cursor:pointer;font-family:inherit}
.mel-doc-side-scroll{flex:1;min-height:0;overflow-y:auto;padding:4px 10px 24px}
.mel-doc-nav{display:flex;flex-direction:column;gap:2px}
.mel-doc-navgroup{margin-bottom:12px}
.mel-doc-navgroup-hd{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mel-text-muted);padding:8px 10px 5px}
.mel-doc-navgroup-ico{display:grid;place-items:center;width:18px;color:var(--acc)}
.light .mel-doc-navgroup-ico{color:color-mix(in srgb,var(--acc) 62%,var(--mel-text-primary))}
.mel-doc-navitem{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:7px 10px;border:0;border-radius:9px;background:transparent;color:var(--mel-text-secondary);font-size:clamp(11.5px,0.85vw,12.5px);font-weight:600;cursor:pointer;transition:background .15s,color .15s}
.mel-doc-navitem:hover{background:var(--mel-surface-1);color:var(--mel-text-primary)}
.mel-doc-navitem-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;background:color-mix(in srgb,var(--mel-border-default) 160%,transparent);transition:transform .15s,background .15s,box-shadow .15s}
.mel-doc-navitem:hover .mel-doc-navitem-dot{transform:scale(1.35)}
.mel-doc-navitem.is-active{background:color-mix(in srgb,var(--acc) 13%,transparent);color:var(--mel-text-primary)}
.mel-doc-navitem.is-active .mel-doc-navitem-dot{background:var(--acc);box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 22%,transparent)}

/* Mobile: stack the top-bar above the content (root is flex-row on desktop for
   the sidebar; on narrow screens it must be a column or the top-bar and main sit
   side-by-side and the bar eats a whole column). */
@media(max-width:1023px){.mel-doc-root{flex-direction:column}}
.mel-doc-mtop{flex:0 0 auto;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;width:100%;padding:calc(env(safe-area-inset-top,0px) + 10px) 12px 10px;border-bottom:1px solid var(--mel-border-subtle);background:color-mix(in srgb,var(--mel-surface-panel) 88%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.mel-doc-mtop-prog{position:absolute;left:0;bottom:-1px;height:2px;transition:width .1s linear}
.mel-doc-mbtn{display:grid;place-items:center;width:38px;height:38px;flex-shrink:0;border-radius:11px;border:1px solid var(--mel-border-default);background:var(--mel-surface-1);color:var(--mel-text-primary);cursor:pointer}
.mel-doc-mtop-title{flex:1;min-width:0;display:flex;align-items:center;gap:7px;font-size:14px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mel-doc-mtop-logo{width:32px;height:32px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 2px 8px rgba(124,111,240,.45))}
.mel-doc-drawer-back{position:fixed;inset:0;z-index:100;background:color-mix(in srgb,var(--mel-surface-modal,rgba(0,0,0,.5)) 100%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex}
.mel-doc-drawer{width:86%;max-width:340px;height:100%;display:flex;flex-direction:column;background:var(--mel-surface-panel);border-right:1px solid var(--mel-border-default);box-shadow:var(--mel-shadow-heavy);animation:melDocSlide .22s cubic-bezier(.2,.7,.3,1)}
@keyframes melDocSlide{from{transform:translateX(-16px);opacity:.6}to{transform:translateX(0);opacity:1}}
.mel-doc-drawer-hd{display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top,0px) + 12px) 14px 8px}
.mel-doc-drawer-scroll{flex:1;min-height:0;overflow-y:auto;padding:4px 10px calc(env(safe-area-inset-bottom,0px) + 24px)}

/* Main — fluid 3-zone grid */
.mel-doc-main{flex:1;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto;position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,88ch) minmax(0,1fr);align-content:start;scroll-padding-top:80px}
/* From 1200px up, reserve a real right column for the "On this page" TOC so it can
   never be squeezed to nothing (was getting clipped on zoomed-in screens). The
   article narrows and the gutters flex to make room. */
@media(min-width:1200px){.mel-doc-main{grid-template-columns:minmax(24px,1fr) minmax(0,80ch) minmax(190px,240px) minmax(24px,1fr)}}
.mel-doc-progress{position:sticky;top:0;grid-column:1 / -1;height:2px;z-index:15;transition:width .1s linear;border-radius:0 2px 2px 0}
.mel-doc-article{grid-column:2;width:100%;max-width:none;padding:40px clamp(24px,3.5vw,56px) 96px;min-width:0;animation:melDocFade .32s ease-out}
/* Readability over the live field WITHOUT blurring it: a text-shadow halo in the
   surface colour makes glyphs pop over the WebGL while the field stays fully
   sharp behind everything (no backdrop-filter that would smear the background).
   Cards/callouts/code/tables keep their own opaque surfaces. */
.mel-doc-p,.mel-doc-step-title,.mel-doc-step-body{text-shadow:0 1px 2px var(--mel-surface-bg,var(--background)),0 0 10px var(--mel-surface-bg,var(--background))}
@keyframes melDocFade{from{opacity:0}to{opacity:1}}
.mel-doc-toc{grid-column:3;justify-self:stretch;position:sticky;top:0;align-self:start;padding:44px clamp(12px,1vw,18px);width:100%;max-width:240px;min-width:0;display:none}
/* Shown from 1200px, where the grid reserves a >=174px column for it. */
@media(min-width:1200px){.mel-doc-toc{display:block}}
.mel-doc-toc-item{overflow-wrap:anywhere}
@media(max-width:1199px){.mel-doc-main{grid-template-columns:minmax(0,1fr) minmax(0,88ch) minmax(0,1fr)}}
@media(max-width:1023px){.mel-doc-main{grid-template-columns:1fr}.mel-doc-article{grid-column:1;padding:28px clamp(20px,5vw,40px) 90px}}

/* Full-bleed escape (cards/tables/viz/frames use more width than prose). Bounded
   px breakout into the column gutters — no vw math (which overflowed once the
   main column became centred/capped and caused a horizontal scrollbar). */
.mel-doc-fullbleed{width:calc(100% + 120px);max-width:1180px;margin-inline:-60px}
@media(max-width:1120px){.mel-doc-fullbleed{width:100%;max-width:100%;margin-inline:0}}

/* Hero */
/* Hero blends into the page (no boxed container): a soft accent wash that fades
   out to nothing (masked, no hard border) + a full-width underline that fades at
   both ends + the animated mesh glow. */
.mel-doc-hero{position:relative;padding:20px 22px 24px;margin:0 -22px 26px}
.mel-doc-hero::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:24px;background:linear-gradient(163deg,color-mix(in srgb,var(--acc) 16%,transparent),color-mix(in srgb,var(--acc) 5%,transparent) 42%,transparent 76%);-webkit-mask:linear-gradient(180deg,#000,#000 52%,transparent);mask:linear-gradient(180deg,#000,#000 52%,transparent)}
.mel-doc-hero::after{content:"";position:absolute;left:8px;right:8px;bottom:0;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--acc) 44%,var(--mel-border-default)) 16%,color-mix(in srgb,var(--acc) 44%,var(--mel-border-default)) 84%,transparent)}
@media(max-width:1023px){.mel-doc-hero{margin-inline:0;padding:16px 4px 20px}}
.mel-doc-hero-mesh{position:absolute;inset:-90px -20% auto;height:260px;pointer-events:none;filter:blur(56px);opacity:.55;background:radial-gradient(40% 60% at 16% 40%,color-mix(in srgb,var(--acc) 60%,transparent),transparent 70%),radial-gradient(45% 55% at 84% 24%,color-mix(in srgb,var(--acc) 34%,#22D3EE 18%),transparent 72%);animation:melHeroFloat 14s ease-in-out infinite alternate}
.light .mel-doc-hero-mesh{opacity:.3}
.mel-doc-hero-title,.mel-doc-hero-tag{text-shadow:0 1px 2px var(--mel-surface-bg,var(--background)),0 0 12px var(--mel-surface-bg,var(--background))}
@keyframes melHeroFloat{to{transform:translate3d(3%,8px,0) scale(1.05)}}
.mel-doc-hero-row{position:relative;display:flex;align-items:center;gap:16px}
.mel-doc-hero-ico{display:grid;place-items:center;height:44px;flex-shrink:0;color:var(--acc)}
.mel-doc-hero-ico svg{stroke:url(#melIcoGrad);filter:drop-shadow(0 6px 16px color-mix(in srgb,var(--acc) 55%,transparent))}
.light .mel-doc-hero-ico svg{stroke:url(#melIcoGradLight);filter:drop-shadow(0 5px 13px color-mix(in srgb,#6D28D9 26%,transparent))}
.mel-doc-hero-eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:color-mix(in srgb,var(--acc) 62%,var(--mel-text-primary))}
.mel-doc-hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 22%,transparent)}
.mel-doc-hero-title{font-size:clamp(22px,3vw,34px);font-weight:700;letter-spacing:-.03em;line-height:1.1;margin:4px 0 0}
.mel-doc-hero-tag{position:relative;font-size:clamp(13px,0.4vw + 12px,14.5px);color:var(--mel-text-secondary);margin:12px 0 0;line-height:1.55;max-width:70ch}
.mel-doc-hero-meta{position:relative;display:flex;gap:8px;margin-top:14px}
.mel-doc-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;color:var(--mel-text-secondary);background:var(--mel-surface-1);border:1px solid var(--mel-border-subtle)}

/* Body + reveal */
.mel-doc-body{display:flex;flex-direction:column;gap:18px}
.mel-doc-reveal{animation:melReveal .42s cubic-bezier(.2,.7,.3,1) both;animation-delay:calc(min(var(--i,0),8) * 42ms)}
@keyframes melReveal{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.mel-doc-p{font-size:clamp(13px,0.28vw + 12.3px,14.5px);line-height:1.7;color:var(--mel-text-secondary);margin:0}
.mel-doc-strong{color:var(--mel-text-primary);font-weight:700}
.mel-doc-h3{font-size:clamp(16px,0.7vw + 13.4px,19px);font-weight:700;letter-spacing:-.02em;color:var(--mel-text-primary);margin:16px 0 -2px;scroll-margin-top:24px}
.mel-doc-link{color:#A5B4FC;font-weight:600;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;transition:background-size .2s,color .15s}
.mel-doc-link:hover{background-size:100% 1.5px;color:#C7D2FE}
.light .mel-doc-link{color:#6D28D9}
.light .mel-doc-link:hover{color:#5B21B6}
.mel-doc-code-inline{font-family:'JetBrains Mono','Fira Code',monospace;font-size:.87em;padding:1.5px 6px;border-radius:6px;background:var(--mel-surface-1);border:1px solid var(--mel-border-subtle);color:color-mix(in srgb,var(--mel-accent-violet,#8B7CF6) 90%,var(--mel-text-primary))}

/* Steps — timeline rail */
.mel-doc-steps{list-style:none;margin:4px 0;padding:0;position:relative}
.mel-doc-steps::before{content:"";position:absolute;left:12px;top:12px;bottom:14px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--acc,#7C6FF0),color-mix(in srgb,var(--acc,#7C6FF0) 18%,transparent));opacity:.4}
.mel-doc-step{position:relative;display:flex;gap:16px;padding:0 0 16px}
.mel-doc-step-num{position:relative;z-index:1;flex:0 0 26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:linear-gradient(180deg,#8478F2,#6E61E8);box-shadow:0 4px 12px -4px rgba(110,97,232,.6),0 0 0 4px var(--mel-surface-bg,var(--background));transition:transform .18s cubic-bezier(.2,.7,.3,1)}
.mel-doc-step:hover .mel-doc-step-num{transform:scale(1.08)}
.mel-doc-step-title{font-size:clamp(13.5px,0.25vw + 12.9px,14.5px);font-weight:700;color:var(--mel-text-primary);margin-bottom:2px}
.mel-doc-step-body{font-size:clamp(13px,0.25vw + 12.4px,14px);line-height:1.62;color:var(--mel-text-secondary)}

/* Callout */
.mel-doc-callout{position:relative;display:flex;gap:14px;align-items:flex-start;padding:15px 17px 15px 19px;border-radius:14px;background:linear-gradient(180deg,color-mix(in srgb,var(--acc) 10%,transparent),color-mix(in srgb,var(--acc) 4%,transparent));border:1px solid color-mix(in srgb,var(--acc) 26%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.mel-doc-callout::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--acc)}
.mel-doc-callout-ico{display:grid;place-items:center;width:24px;flex-shrink:0;color:var(--acc);filter:drop-shadow(0 2px 7px color-mix(in srgb,var(--acc) 45%,transparent))}
.light .mel-doc-callout-ico{color:color-mix(in srgb,var(--acc) 68%,var(--mel-text-primary))}
.mel-doc-callout-title{font-size:13.5px;font-weight:700;color:var(--mel-text-primary);margin-bottom:2px}
.mel-doc-callout-body{font-size:13.5px;line-height:1.6;color:var(--mel-text-secondary)}

/* Code */
.mel-doc-code{border-radius:14px;overflow:hidden;border:1px solid var(--mel-border-default);background:var(--mel-surface-1);box-shadow:var(--mel-shadow-medium)}
.mel-doc-code-bar{display:flex;align-items:center;gap:10px;padding:9px 13px;background:color-mix(in srgb,var(--mel-surface-2) 82%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--mel-border-subtle)}
.mel-doc-code-dots{display:flex;gap:6px}
.mel-doc-code-dots i{width:9px;height:9px;border-radius:50%;background:var(--mel-text-faint,color-mix(in srgb,var(--mel-text-muted) 50%,transparent))}
.mel-doc-code-cap{flex:1;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mel-text-muted)}
.mel-doc-copy{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:4px 9px;border-radius:7px;border:1px solid var(--mel-border-default);background:transparent;color:var(--mel-text-secondary);cursor:pointer;transition:color .15s,border-color .15s}
.mel-doc-copy:hover{color:var(--mel-text-primary);border-color:color-mix(in srgb,var(--mel-border-default) 160%,transparent)}
.mel-doc-copy.is-copied{color:#34D399;border-color:color-mix(in srgb,#34D399 40%,transparent)}
.mel-doc-pre{margin:0;padding:14px 16px;overflow-x:auto;font-family:'JetBrains Mono','Fira Code',monospace;font-size:12.5px;line-height:1.65;color:var(--mel-text-primary);white-space:pre}

/* Cards — bento + cursor glow */
.mel-doc-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:clamp(10px,1vw,14px)}
@media(min-width:900px){.mel-doc-cards{grid-template-columns:repeat(var(--cols,3),1fr)}}
.mel-doc-card{position:relative;overflow:hidden;padding:17px;border-radius:16px;border:1px solid var(--mel-border-subtle);background:var(--mel-surface-card);transition:transform .18s cubic-bezier(.2,.7,.3,1),border-color .18s,box-shadow .18s}
.mel-doc-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;background:radial-gradient(160px 100px at var(--mx,50%) var(--my,0%),color-mix(in srgb,#7C6FF0 20%,transparent),transparent 70%);transition:opacity .2s}
.mel-doc-card:hover{transform:translateY(-3px);border-color:var(--mel-border-default);box-shadow:0 16px 38px -20px rgba(15,23,42,.5)}
.mel-doc-card:hover::after{opacity:1}
.mel-doc-card-ico{display:flex;align-items:center;height:30px;margin-bottom:12px;color:#8B7CF6}
.mel-doc-card-ico svg{stroke:url(#melIcoGrad);filter:drop-shadow(0 4px 10px rgba(124,111,240,.32))}
.light .mel-doc-card-ico svg{stroke:url(#melIcoGradLight);filter:none}
.mel-doc-card-ico-img{height:38px}
.mel-doc-card-logo{width:38px;height:38px;object-fit:contain;display:block;filter:drop-shadow(0 6px 12px rgba(15,23,42,.34))}
.light .mel-doc-card-logo{filter:drop-shadow(0 5px 11px rgba(15,23,42,.22))}
.mel-doc-card-title{font-size:clamp(13px,0.25vw + 12.4px,14px);font-weight:700;color:var(--mel-text-primary);margin-bottom:4px;letter-spacing:-.01em}
.mel-doc-card-body{font-size:clamp(12px,0.22vw + 11.5px,13px);line-height:1.55;color:var(--mel-text-secondary)}

/* Stats */
.mel-doc-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.mel-doc-stat{padding:16px;border-radius:14px;background:var(--mel-surface-card);border:1px solid var(--mel-border-subtle)}
.mel-doc-stat-ico{display:inline-flex;align-items:center;height:24px;margin-bottom:8px;color:#8B7CF6}
.mel-doc-stat-ico svg{stroke:url(#melIcoGrad)}
.light .mel-doc-stat-ico svg{stroke:url(#melIcoGradLight)}
.mel-doc-stat-v{font-size:clamp(20px,1.4vw + 14px,26px);font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--mel-text-primary)}
.mel-doc-stat-l{font-size:12px;color:var(--mel-text-muted);margin-top:2px}

/* Table */
.mel-doc-table-wrap{overflow:hidden;border:1px solid var(--mel-border-subtle);border-radius:14px}
/* Fixed layout + wrapping cells so a wide table always fits its column and never
   scrolls horizontally; font + padding shrink fluidly to keep it readable. */
.mel-doc-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:clamp(10.5px,0.32vw + 9.8px,13px)}
.mel-doc-table th,.mel-doc-table td{overflow-wrap:anywhere;hyphens:auto;padding:clamp(7px,0.6vw,11px) clamp(7px,0.7vw,14px)}
.mel-doc-table th{text-align:left;font-size:clamp(9.5px,0.25vw+9px,10.5px);font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--mel-text-muted);background:color-mix(in srgb,var(--mel-surface-2) 92%,transparent);border-bottom:1px solid var(--mel-border-default)}
.mel-doc-table td{color:var(--mel-text-secondary);border-bottom:1px solid var(--mel-border-subtle);vertical-align:top;line-height:1.5}
.mel-doc-table td:first-child{font-weight:600;color:var(--mel-text-primary)}
.mel-doc-table tbody tr:nth-child(even) td{background:color-mix(in srgb,var(--mel-surface-1) 55%,transparent)}
.mel-doc-table tbody tr:hover td{background:color-mix(in srgb,var(--mel-accent-indigo,#7C6FF0) 9%,transparent)}
.mel-doc-table tr:last-child td{border-bottom:0}

/* Frames */
.mel-doc-frame-fig{margin:0}
.mel-doc-browser{border-radius:14px;overflow:hidden;border:1px solid var(--mel-border-default);background:var(--mel-surface-card);box-shadow:var(--mel-shadow-heavy)}
.mel-doc-browser-bar{display:flex;align-items:center;gap:10px;padding:9px 12px;background:color-mix(in srgb,var(--mel-surface-2) 85%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--mel-border-subtle)}
.mel-doc-frame-dots{display:flex;gap:6px}.mel-doc-frame-dots i{width:10px;height:10px;border-radius:50%;background:var(--mel-text-faint,color-mix(in srgb,var(--mel-text-muted) 45%,transparent))}
.mel-doc-browser-url{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:5px;font-size:11px;color:var(--mel-text-muted);background:var(--mel-surface-1);border-radius:8px;padding:4px 10px;border:1px solid var(--mel-border-subtle);max-width:60%;margin:0 auto}
.mel-doc-browser-view{position:relative;min-height:120px;background:var(--mel-surface-1)}
.mel-doc-browser-view img{display:block;width:100%;transition:opacity .3s}
.mel-doc-phone{position:relative;width:262px;margin:0 auto;aspect-ratio:9/19;border-radius:34px;overflow:hidden;background:var(--mel-surface-1);border:1px solid var(--mel-border-default);box-shadow:var(--mel-shadow-heavy),0 0 60px -20px #34D399}
.mel-doc-phone-notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:80px;height:16px;border-radius:999px;background:color-mix(in srgb,#000 55%,var(--mel-surface-2));z-index:2}
.mel-doc-phone img{display:block;width:100%;height:100%;object-fit:cover;transition:opacity .3s}
.mel-doc-skel{position:absolute;inset:0;background:linear-gradient(100deg,var(--mel-surface-1) 30%,var(--mel-surface-2) 50%,var(--mel-surface-1) 70%);background-size:200% 100%;animation:melShimmer 1.3s linear infinite}
@keyframes melShimmer{to{background-position:-200% 0}}
.mel-doc-frame-cap{font-size:12px;color:var(--mel-text-muted);text-align:center;margin-top:10px}

/* Phone sequence gallery — all 5 on one row where the width allows */
.mel-doc-phonerow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:start}
.mel-doc-phonerow .mel-doc-frame-fig{margin:0;min-width:0}
.mel-doc-phonerow .mel-doc-phone{width:100%;margin:0;border-radius:26px}
@media(max-width:1023px){.mel-doc-phonerow{grid-template-columns:repeat(3,1fr);gap:12px}}
@media(max-width:560px){.mel-doc-phonerow{grid-template-columns:repeat(2,1fr)}}
/* Row highlight (breathing rectangle around the tappable row) + step badge */
.mel-doc-hot{position:absolute;z-index:4;pointer-events:none}
.mel-doc-hot-box{position:absolute;inset:0;border-radius:10px;border:2.5px solid var(--hot,#22D3EE);box-shadow:inset 0 0 14px -3px var(--hot,#22D3EE);animation:melHotBox 1.9s ease-in-out infinite}
.mel-doc-hot-box.is-done{animation:none;background:color-mix(in srgb,var(--hot,#34D399) 16%,transparent)}
@keyframes melHotBox{0%,100%{background:color-mix(in srgb,var(--hot,#22D3EE) 7%,transparent);border-color:color-mix(in srgb,var(--hot,#22D3EE) 62%,transparent)}50%{background:color-mix(in srgb,var(--hot,#22D3EE) 20%,transparent);border-color:var(--hot,#22D3EE)}}
.mel-doc-hot-badge{position:absolute;left:-8px;top:-11px;z-index:1;display:grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--hot,#22D3EE);color:#031318;font-size:11px;font-weight:800;box-shadow:0 3px 9px -2px rgba(0,0,0,.6);border:1.5px solid rgba(255,255,255,.92)}

/* Flow diagram */
.mel-doc-flow{display:flex;flex-wrap:wrap;align-items:stretch;justify-content:center;gap:6px;padding:22px;border-radius:16px;border:1px solid var(--mel-border-subtle);background:color-mix(in srgb,var(--mel-surface-card) 74%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.mel-doc-flow-wrap{display:flex;align-items:center;gap:6px}
.mel-doc-flow-node{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:14px 16px;min-width:110px;border-radius:13px;background:var(--mel-surface-card);border:1px solid var(--mel-border-default);box-shadow:var(--mel-shadow-medium)}
.mel-doc-flow-ico{display:grid;place-items:center;height:34px;color:#8B7CF6}
.mel-doc-flow-ico svg{stroke:url(#melIcoGrad);filter:drop-shadow(0 3px 9px rgba(124,111,240,.3))}
.light .mel-doc-flow-ico svg{stroke:url(#melIcoGradLight);filter:none}
.mel-doc-flow-lbl{font-size:12.5px;font-weight:700;color:var(--mel-text-primary)}
.mel-doc-flow-sub{font-size:10.5px;color:var(--mel-text-muted);max-width:130px}
.mel-doc-flow-edge{display:grid;place-items:center;color:color-mix(in srgb,var(--mel-accent-indigo,#7C6FF0) 70%,transparent);animation:melNudge 1.4s ease-in-out infinite}
@keyframes melNudge{50%{transform:translateX(3px)}}

/* Loop diagram */
.mel-doc-loop{position:relative;width:300px;height:300px;margin:8px auto;border-radius:50%}
.mel-doc-loop-sweep{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,transparent,color-mix(in srgb,#34D399 40%,transparent),transparent 42%);animation:melSpin 3.4s linear infinite;-webkit-mask:radial-gradient(circle,transparent 60%,#000 61%);mask:radial-gradient(circle,transparent 60%,#000 61%);opacity:.7}
@keyframes melSpin{to{transform:rotate(360deg)}}
.mel-doc-loop-node{position:absolute;width:96px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border-radius:14px;background:var(--mel-surface-card);border:1px solid var(--mel-border-default);box-shadow:var(--mel-shadow-medium)}
.mel-doc-loop-node.n0{top:2px;left:50%;transform:translateX(-50%)}
.mel-doc-loop-node.n1{bottom:14px;right:2px}
.mel-doc-loop-node.n2{bottom:14px;left:2px}
.mel-doc-loop-ico{display:grid;place-items:center;height:32px;color:#34D399;filter:drop-shadow(0 3px 9px rgba(52,211,153,.35))}
.light .mel-doc-loop-ico{color:#059669}
.mel-doc-loop-lbl{font-size:12px;font-weight:700;color:var(--mel-text-primary)}

/* Pager */
.mel-doc-pager{display:flex;justify-content:space-between;gap:12px;margin-top:36px;padding-top:22px;border-top:1px solid var(--mel-border-subtle)}
.mel-doc-pager-btn{display:inline-flex;align-items:center;gap:10px;max-width:48%;padding:11px 15px;border-radius:12px;border:1px solid var(--mel-border-default);background:var(--mel-surface-card);color:var(--mel-text-secondary);cursor:pointer;transition:border-color .15s,transform .15s;text-align:left}
.mel-doc-pager-btn.is-next{margin-left:auto;text-align:right}
.mel-doc-pager-btn:hover{border-color:var(--mel-accent-indigo,#7C6FF0);transform:translateY(-1px)}
.mel-doc-pager-btn span{display:flex;flex-direction:column;min-width:0}
.mel-doc-pager-lbl{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mel-text-muted)}
.mel-doc-pager-title{font-size:13px;font-weight:700;color:var(--mel-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* TOC */
.mel-doc-toc-hd{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--mel-text-muted);margin-bottom:10px}
.mel-doc-toc-item{display:block;font-size:12.5px;color:var(--mel-text-secondary);padding:6px 0 6px 12px;text-decoration:none;line-height:1.45;border-left:2px solid transparent;margin-left:-2px;transition:color .15s,border-color .18s}
.mel-doc-toc-item:hover{color:var(--mel-text-primary)}
.mel-doc-toc-item.is-active{color:var(--mel-text-primary);font-weight:600;border-left-color:var(--acc)}

/* Command palette */
.mel-doc-pal-back{position:fixed;inset:0;z-index:100200;display:flex;align-items:flex-start;justify-content:center;padding:12vh 16px 16px;background:color-mix(in srgb,#000 42%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:melDocFade .16s ease-out}
.mel-doc-pal{width:100%;max-width:560px;border-radius:16px;overflow:hidden;background:color-mix(in srgb,var(--mel-surface-overlay) 92%,transparent);-webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);border:1px solid var(--mel-border-default);box-shadow:var(--mel-shadow-heavy);animation:melPalIn .16s cubic-bezier(.2,.7,.3,1)}
@keyframes melPalIn{from{opacity:.4;transform:scale(.97)}to{opacity:1;transform:none}}
.mel-doc-pal-in{display:flex;align-items:center;gap:11px;padding:14px 16px;border-bottom:1px solid var(--mel-border-subtle);color:var(--mel-text-muted)}
.mel-doc-pal-in input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--mel-text-primary);font-size:15px}
.mel-doc-pal-list{max-height:52vh;overflow-y:auto;padding:8px}
.mel-doc-pal-empty{padding:24px;text-align:center;color:var(--mel-text-muted);font-size:13px}
.mel-doc-pal-item{display:flex;align-items:center;gap:11px;width:100%;text-align:left;padding:10px 12px;border:0;border-radius:11px;background:transparent;cursor:pointer;color:var(--mel-text-secondary)}
.mel-doc-pal-item.is-sel{background:color-mix(in srgb,var(--acc) 14%,transparent)}
.mel-doc-pal-ico{display:grid;place-items:center;width:22px;flex-shrink:0;color:var(--acc)}
.light .mel-doc-pal-ico{color:color-mix(in srgb,var(--acc) 62%,var(--mel-text-primary))}
.mel-doc-pal-title{display:block;font-size:13.5px;font-weight:700;color:var(--mel-text-primary)}
.mel-doc-pal-sub{display:block;font-size:11px;color:var(--mel-text-muted)}
.mel-doc-pal-snip{display:block;font-size:11px;line-height:1.45;color:var(--mel-text-muted);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mel-doc-navitem-res{align-items:flex-start}
.mel-doc-navitem-body{display:flex;flex-direction:column;gap:1px;min-width:0}
.mel-doc-navitem-ttl{display:block}
.mel-doc-navitem-snip{display:block;font-size:10.5px;line-height:1.4;font-weight:500;color:var(--mel-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mel-doc-hl{background:color-mix(in srgb,var(--acc,#7C6FF0) 26%,transparent);color:inherit;border-radius:3px;padding:0 1px;font-weight:700}
.mel-doc-pal-enter{margin-left:auto;color:var(--mel-text-muted)}

/* Mobile: tighter spacing + a pager that stacks full-width so titles never crop
   (the is-next button was truncating on narrow screens). Font sizes are handled
   fluidly by clamp() above, so they're not repeated here. */
@media(max-width:767px){
  .mel-doc-article{padding:22px 18px 84px}
  .mel-doc-body{gap:15px}
  .mel-doc-pager{flex-direction:column;gap:10px}
  .mel-doc-pager-btn,.mel-doc-pager-btn.is-next{max-width:100%;width:100%;margin-left:0;text-align:left}
  .mel-doc-pager-btn.is-next span{text-align:left}
  .mel-doc-pager-title{white-space:normal}
}

@keyframes melCapsulePulse { 0%,100%{transform:scale(1);opacity:.65} 50%{transform:scale(1.8);opacity:0} }
.mel-capsule-pulse{animation:melCapsulePulse 2s ease-in-out infinite}
.mel-capsule-scroll::-webkit-scrollbar{display:none}

/* ── Dark-mode baseline (Studio's resting palette) ────────────────────── */
.mel-capsule-shell {
  --mel-capsule-shell-bg: rgba(255,255,255,0.018);
  --mel-capsule-shell-border: rgba(255,255,255,0.06);
  --mel-capsule-shell-shadow:
    0 1px 0 rgba(255,255,255,0.03) inset,
    0 2px 12px rgba(0,0,0,0.18);
  --mel-capsule-divider: linear-gradient(180deg, transparent, rgba(255,255,255,0.06), transparent);
  --mel-capsule-inactive-text: rgba(148,163,184,0.85);
  --mel-capsule-hover-text: rgba(226,232,240,0.95);
  --mel-capsule-active-text: rgb(110,231,183);
  --mel-capsule-active-bg:
    linear-gradient(180deg,
      rgba(16,185,129,0.16) 0%,
      rgba(16,185,129,0.08) 100%);
  --mel-capsule-active-border: rgba(52,211,153,0.35);
  --mel-capsule-active-shadow: rgba(16,185,129,0.22);
  --mel-capsule-line: rgba(52,211,153,0.18);
}
.mel-capsule-shell:hover {
  --mel-capsule-shell-border: rgba(255,255,255,0.10);
}
/* Hover ink lives here, never as an inline style written from JS: mouse
   handlers used to write the colour onto e.target (often the inner label
   span), and that inline colour survived the tab becoming active, leaving a
   dark label on the navy active pill in light mode. */
.mel-capsule-shell button:not([data-active="true"]):hover {
  color: var(--mel-capsule-hover-text) !important;
}

/* ── Light-mode override (Studio's day palette) ───────────────────────── */
/* Glassmorphic shell — translucent frosted white with a real backdrop
   blur (no saturate, to avoid re-tinting what sits behind), so the
   capsule reads as part of the sleek glass UI rather than a flat opaque
   white chip floating on top of it. */
.light .mel-capsule-shell {
  --mel-capsule-shell-bg:
    linear-gradient(180deg, rgba(255,255,255,0.72) 0%, rgba(248,250,252,0.58) 100%);
  --mel-capsule-shell-border: rgba(15, 23, 42, 0.08);
  --mel-capsule-shell-shadow:
    0 1px 0 rgba(255,255,255,0.85) inset,
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 6px 18px rgba(15, 23, 42, 0.06);
  --mel-capsule-divider: linear-gradient(180deg, transparent, rgba(15,23,42,0.08), transparent);
  --mel-capsule-inactive-text: rgb(100,116,139);
  --mel-capsule-hover-text: rgb(30,41,59);
  --mel-capsule-active-text: rgb(248,250,252);
  --mel-capsule-active-bg:
    linear-gradient(180deg,
      rgb(30,41,59) 0%,
      rgb(15,23,42) 100%);
  --mel-capsule-active-border: rgba(15,23,42,0.85);
  --mel-capsule-active-shadow: rgba(15,23,42,0.18);
  --mel-capsule-line: rgba(15,23,42,0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.light .mel-capsule-shell:hover {
  --mel-capsule-shell-border: rgba(15, 23, 42, 0.12);
  --mel-capsule-shell-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 1px 2px rgba(15, 23, 42, 0.05),
    0 10px 26px rgba(15, 23, 42, 0.09);
}

/* Light mode + dynamic accent: the active pill needs more presence on the
   bright glass than the theme-agnostic 22%/12%-of-transparent mix gives —
   blend the accent into WHITE so it reads as a defined frosted pill with a
   glass sheen, while staying translucent enough to feel like glass. */
.light .mel-capsule-shell .mel-capsule-indicator[style*="--mel-capsule-accent"] {
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--mel-capsule-accent) 24%, #ffffff) 0%,
      color-mix(in oklab, var(--mel-capsule-accent) 15%, #ffffff) 100%) !important;
  border: 1px solid color-mix(in oklab, var(--mel-capsule-accent) 52%, transparent) !important;
  box-shadow:
    0 2px 10px color-mix(in oklab, var(--mel-capsule-accent) 24%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.75) !important;
}

/* Light mode + dynamic accent: the active label was the raw accent (e.g.
   cyan), illegible on the pale pill. Use a mostly-slate ink with a hint of
   the accent — crisp and readable, still on-brand. Scoped to shells that
   actually carry the accent var, so the no-accent solid-navy pill (which
   correctly uses white text) is untouched. */
.light .mel-capsule-shell[style*="--mel-capsule-accent"] button[data-active="true"] {
  color: color-mix(in oklab, var(--mel-capsule-accent) 30%, #0F172A) !important;
}

/* ── Dark mode: crisp WHITE selected-tab label across ALL capsule tabs ────
   Symmetric to the light-mode ink fix above. In dark mode the active label
   was the raw accent (violet / cyan / BUY-teal / SELL-rose) or the emerald
   default — all lower-contrast on the tinted pill than plain white. Force
   white app-wide for readability; accent-carrying shells additionally get a
   soft accent-DERIVED glow (each tab glows in its own accent, no per-color
   CSS). Scoped to html.dark so the light theme is entirely untouched. */
html.dark .mel-capsule-shell button[data-active="true"] {
  color: #ffffff !important;
}
html.dark .mel-capsule-shell[style*="--mel-capsule-accent"] button[data-active="true"] {
  text-shadow: 0 0 12px color-mix(in oklab, var(--mel-capsule-accent) 50%, transparent);
}

/* When an accent override is provided we use the per-instance
   --mel-capsule-accent for the active pill across both themes.
   Color-mix smooths the gradient so dynamic accents (BUY teal,
   SELL rose, etc.) all flow through without bespoke per-color CSS. */
.mel-capsule-shell .mel-capsule-indicator[style*="--mel-capsule-accent"] {
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--mel-capsule-accent) 22%, transparent) 0%,
      color-mix(in oklab, var(--mel-capsule-accent) 12%, transparent) 100%) !important;
  border: 1px solid color-mix(in oklab, var(--mel-capsule-accent) 50%, transparent) !important;
  box-shadow:
    0 2px 10px color-mix(in oklab, var(--mel-capsule-accent) 22%, transparent),
    inset 0 1px 0 color-mix(in oklab, var(--mel-capsule-accent) 22%, transparent) !important;
}

/* Mode strip: sits above the sidebar + content in the flex column.
   On mobile it is full-width; on desktop it is also full-width so it
   always spans the whole root (sidebar + content area). */
.mel-doc-modestrip{
  position:relative;z-index:3;flex:0 0 auto;
  border-bottom:1px solid var(--mel-border-subtle);
  background:color-mix(in srgb,var(--mel-surface-panel) 85%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
/* Body row under the mode strip: holds the sidebar + content (functional) or
   the full-width API panel. The root is now a column, so the strip spans the
   whole width and this row fills the rest. */
.mel-doc-layout{flex:1;min-height:0;display:flex;flex-direction:row;overflow:hidden;position:relative;z-index:1}
@media(max-width:1023px){.mel-doc-layout{flex-direction:column}}
/* API/SDK panel: takes the full remaining area, scrollable, padded */
.mel-doc-api-wrap{
  flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;
  padding:0 clamp(20px,4vw,64px) 80px;
  position:relative;z-index:1;
}
@media(max-width:767px){.mel-doc-api-wrap{padding:0 18px 80px}}