/* disk.zone sub-project kit (kv, fs): lit-paper tokens, the skv page frame (brand / dotted rule / numbered sections /
   pill buttons / theme toggle), console rows and glass detail cards, docs layout. */
:root{
  --paper-hi:#FAFAFA;--paper:#ECECEC;--paper-lo:#D3D3D3;--card-solid:#F6F6F6;
  --ink:#1E1E1E;--ink-2:#686868;--ink-3:#A2A2A2;--dotline:#BDBDBD;--hair:rgba(30,30,30,.14);
  --lift:-8px 11px 18px -8px rgba(0,0,0,.30),-2px 3px 5px -2px rgba(0,0,0,.10);
  --sans:"Raleway","Jost","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --spring:cubic-bezier(.34,1.56,.64,1);--soft:cubic-bezier(.22,1,.36,1);
  --gl-a:rgba(252,252,252,.38);--gl-b:rgba(246,246,246,.22);--gl-c:rgba(244,244,244,.28);
  --gl-border:rgba(255,255,255,.58);--gl-hl:rgba(255,255,255,.8);--gl-lo:rgba(0,0,0,.04);--gl-ring:rgba(0,0,0,.07);
  --gl-sheen:rgba(255,255,255,.36);--gl-shade:rgba(0,0,0,.03);--gl-sh1:rgba(0,0,0,.30);--gl-sh2:rgba(0,0,0,.12);
  --field:rgba(255,255,255,.34);--field-ring:rgba(30,30,30,.16);--row-cur:rgba(255,255,255,.42);--noise-op:.55;
  color-scheme:light}
:root[data-theme="dark"]{
  --paper-hi:#000;--paper:#000;--paper-lo:#000;--card-solid:#0E0E0E;
  --ink:#E8E8E8;--ink-2:#9A9A9A;--ink-3:#5F5F5F;--dotline:#333;--hair:rgba(232,232,232,.14);
  --lift:0 0 28px 0 rgba(255,255,255,.42),0 0 10px 0 rgba(255,255,255,.38);
  --gl-a:rgba(46,46,46,.40);--gl-b:rgba(24,24,24,.32);--gl-c:rgba(16,16,16,.42);
  --gl-border:rgba(255,255,255,.10);--gl-hl:rgba(255,255,255,.12);--gl-lo:rgba(0,0,0,.35);--gl-ring:rgba(0,0,0,.5);
  --gl-sheen:rgba(255,255,255,.07);--gl-shade:rgba(0,0,0,.25);--gl-sh1:rgba(0,0,0,.7);--gl-sh2:rgba(0,0,0,.4);
  --field:rgba(255,255,255,.06);--field-ring:rgba(255,255,255,.14);--row-cur:rgba(255,255,255,.07);--noise-op:0;
  color-scheme:dark}
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-old(root){z-index:1}::view-transition-new(root){z-index:2}
html.theming *,html.theming *::before,html.theming *::after{transition:background-color .55s ease,color .55s ease,border-color .55s ease,box-shadow .55s ease!important}
*{box-sizing:border-box}
html{background:radial-gradient(ellipse 90% 70% at 55% 12%,var(--paper-hi) 0%,var(--paper) 48%,var(--paper-lo) 100%) fixed,var(--paper)}
body{margin:0;min-height:100vh;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;background:transparent;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:var(--noise-op);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
a{color:inherit}
::selection{background:var(--ink);color:var(--paper)}
.wrap{width:min(1240px,100% - 32px);margin:0 auto}
.dotted{height:3px;background:radial-gradient(circle,var(--dotline) 1px,transparent 1.3px) left center/8px 3px repeat-x}
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-3);font-weight:400;margin:0 0 18px}
.mono{font-family:var(--mono);font-size:13px}
/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 20px}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none}
.brand b{font-weight:300;font-size:26px;letter-spacing:.24em}
.brand span{font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:6px}
.nav a.link{font-size:13px;letter-spacing:.12em;color:var(--ink-2);text-decoration:none;padding:8px 14px;border-radius:999px;transition:color .2s}
.nav a.link:hover,.nav a.link[aria-current]{color:var(--ink)}
.user{display:none;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);letter-spacing:.04em}
.user i{width:7px;height:7px;border-radius:50%;background:var(--ink);box-shadow:var(--lift)}
/* buttons */
.btn{appearance:none;font:inherit;font-size:13px;letter-spacing:.14em;cursor:pointer;display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:12px 26px;border:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none;transition:transform .5s var(--spring),box-shadow .3s,background .2s,color .2s;white-space:nowrap}
.btn:active{transform:scale(.94);transition-duration:.12s}
.btn.solid{background:var(--ink);color:var(--paper-hi);box-shadow:var(--lift);padding:15px 28px}
:root[data-theme="dark"] .btn.solid{color:#000}
.btn.small{padding:8px 18px;font-size:12px}
.btn.plain{border-color:transparent;padding-left:12px;padding-right:12px;color:var(--ink-2)}
.btn.plain:hover{color:var(--ink)}
.btn[disabled]{opacity:.45;cursor:default}
.theme{width:40px;height:40px;border-radius:50%;border:1px solid var(--ink);background:transparent;color:var(--ink);display:inline-grid;place-items:center;cursor:pointer;transition:transform .5s var(--spring)}
.theme:active{transform:scale(.88)}
:root[data-theme="dark"] .btn:not(.solid):not(.plain),:root[data-theme="dark"] .theme{box-shadow:0 0 14px -2px rgba(255,255,255,.32),inset 0 0 8px -2px rgba(255,255,255,.22)}
.arrow{width:14px;height:14px}
/* home */
.hero{padding:clamp(56px,12vh,120px) 0 clamp(56px,9vh,96px)}
.hero h1{font-weight:300;font-size:clamp(42px,7.4vw,88px);line-height:1.18;letter-spacing:.02em;margin:0 0 30px}
.hero p.lead{color:var(--ink-2);font-size:clamp(15px,1.6vw,18px);max-width:560px;margin:0 0 40px}
.acts{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rule{height:1px;background:var(--hair)}
.sec{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,6vw,96px);padding:48px 0 56px}
.sec h2{font-weight:400;font-size:clamp(24px,2.6vw,30px);letter-spacing:.02em;margin:0 0 14px}
.sec p{color:var(--ink-2);margin:0}
.lines{display:flex;flex-direction:column}
.lines .ln{font-family:var(--mono);font-size:13px;color:var(--ink-2);padding:12px 0;overflow-wrap:anywhere}
.lines .ln+.dotted{margin:0}
.lines .note{font-size:12px;color:var(--ink-2);margin-top:14px}
.feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(24px,4vw,64px);padding:8px 0 56px}
.feat{padding:22px 0 26px}
.feat h3{font-weight:400;font-size:16px;margin:12px 0 6px;letter-spacing:.04em}
.feat p{color:var(--ink-2);font-size:14px;margin:0}
.feat .dot{display:block;width:9px;height:9px;border-radius:50%;border:1px solid var(--ink)}
.feat:nth-child(3n+1) .dot{background:var(--ink);box-shadow:var(--lift)}
.feat:nth-child(3n+3) .dot{border-style:dashed}
.code{position:relative;border-radius:20px;padding:22px 24px;background:var(--field);border:1px solid var(--field-ring);font-family:var(--mono);font-size:13px;line-height:1.75;white-space:pre;overflow-x:auto;color:var(--ink)}
.code .c{color:var(--ink-3)}
.copy{position:absolute;top:12px;right:12px}
.foot{padding:28px 0 48px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3)}
.foot a{text-decoration:none;color:var(--ink-2);margin-left:18px;letter-spacing:.12em}
/* console */
.ws{padding:48px 0 80px}
.ws h1{font-weight:300;font-size:clamp(30px,4.4vw,44px);letter-spacing:.02em;margin:0 0 18px}
.ws p.lead{color:var(--ink-2);margin:0 0 28px}
.cols{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}
.panel h2{font-weight:400;font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2);margin:0 0 12px}
.rows{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:12px;padding:14px 14px;border-radius:16px;cursor:pointer;transition:background .25s;background:transparent;border:0;font:inherit;color:inherit;text-align:left;width:100%}
.row:hover{background:var(--row-cur)}
.row[aria-current="true"]{background:var(--row-cur);box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.row .dot{width:8px;height:8px;border-radius:50%;background:var(--ink);flex:none}
.row .dot.off{background:transparent;border:1px dashed var(--ink-2)}
.row .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;letter-spacing:.02em}
.row .meta{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{color:var(--ink-3);font-size:13px;padding:14px}
.form{display:flex;gap:10px;margin-top:16px}
.input{flex:1;min-width:0;font:inherit;font-size:14px;color:var(--ink);background:var(--field);border:1px solid var(--field-ring);border-radius:999px;padding:11px 18px;outline:none;transition:border-color .2s,box-shadow .2s}
.input:focus{border-color:var(--ink);box-shadow:0 0 0 3px var(--hair)}
.gl{position:relative;isolation:isolate;border-radius:28px;padding:28px;
  background:linear-gradient(165deg,var(--gl-a) 0,var(--gl-b) 60%,var(--gl-c) 100%);backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);
  border:1px solid var(--gl-border);box-shadow:-26px 36px 70px -38px var(--gl-sh1),-5px 9px 20px -12px var(--gl-sh2),inset 0 1px 0 var(--gl-hl),inset 0 -1px 0 var(--gl-lo),0 0 0 .5px var(--gl-ring)}
.gl::before{content:"";position:absolute;inset:0;border-radius:inherit;z-index:-1;pointer-events:none;background:radial-gradient(110% 220px at 12% 0%,var(--gl-sheen),transparent 70%),radial-gradient(80% 200px at 100% 100%,var(--gl-shade),transparent 70%)}
:root[data-theme="dark"] .gl{box-shadow:0 30px 70px -36px rgba(0,0,0,.85),0 10px 24px -14px rgba(0,0,0,.55),inset 0 1px 0 var(--gl-hl),inset 0 -1px 0 var(--gl-lo),0 0 0 .5px rgba(0,0,0,.6)}
.gl+.gl{margin-top:20px}
.gl h3{font-weight:300;font-size:26px;letter-spacing:.04em;margin:0 0 6px;overflow-wrap:anywhere}
.gl .sub{color:var(--ink-3);font-size:12px;letter-spacing:.08em;margin-bottom:20px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:13px;margin:0 0 20px}
.kv dt{color:var(--ink-3)}.kv dd{margin:0;overflow-wrap:anywhere}
.secret{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:14px 16px;border-radius:16px;border:1px dashed var(--ink-2);margin:0 0 18px}
.secret code{font-family:var(--mono);font-size:13px;overflow-wrap:anywhere;flex:1;min-width:200px}
.secret small{width:100%;color:var(--ink-2);font-size:12px}
.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.keys{max-height:min(48vh,440px);overflow:auto;-webkit-mask-image:linear-gradient(transparent,#000 10px,#000 calc(100% - 18px),transparent);mask-image:linear-gradient(transparent,#000 10px,#000 calc(100% - 18px),transparent);margin-top:12px}
.krow{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:10px 4px;border-bottom:1px dotted var(--dotline);font-size:13px}
.krow .k{font-family:var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}
.krow .s{color:var(--ink-3);font-variant-numeric:tabular-nums;font-size:12px}
.krow button{font:inherit;font-size:12px;background:none;border:0;color:var(--ink-2);cursor:pointer;padding:2px 6px}
.krow button:hover{color:var(--ink)}
.preview{margin-top:14px;max-height:260px;overflow:auto;white-space:pre-wrap;word-break:break-all;font-family:var(--mono);font-size:12px;color:var(--ink-2);background:var(--field);border-radius:14px;padding:14px 16px}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,24px);opacity:0;pointer-events:none;background:var(--ink);color:var(--paper-hi);padding:11px 22px;border-radius:999px;font-size:13px;letter-spacing:.06em;box-shadow:var(--lift);transition:transform .6s var(--spring),opacity .25s;z-index:60}
:root[data-theme="dark"] .toast{color:#000}
.toast.on{transform:translate(-50%,0);opacity:1}
.up{opacity:0;transform:translateY(16px);animation:rise .9s var(--soft) forwards}
.up:nth-child(2){animation-delay:.06s}.up:nth-child(3){animation-delay:.12s}.up:nth-child(4){animation-delay:.18s}.up:nth-child(5){animation-delay:.24s}
@keyframes rise{to{opacity:1;transform:none}}
/* docs */
.docs{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(24px,4vw,64px);padding:40px 0 80px}
.toc{position:sticky;top:20px;align-self:start;max-height:calc(100vh - 40px);overflow:auto;font-size:13px}
.toc a{display:block;color:var(--ink-2);text-decoration:none;padding:5px 0;letter-spacing:.02em}
.toc a:hover{color:var(--ink)}
.toc .acts{margin:18px 0 6px}
.md{max-width:820px}
.md h1{font-weight:300;font-size:clamp(28px,3.6vw,40px);letter-spacing:.02em;margin:0 0 10px}
.md h2{font-weight:400;font-size:22px;margin:52px 0 14px;padding-top:18px;border-top:1px solid var(--hair)}
.md h3{font-weight:500;font-size:16px;margin:30px 0 10px}
.md p,.md li{color:var(--ink-2)}
.md strong{color:var(--ink);font-weight:500}
.md code{font-family:var(--mono);font-size:.88em;background:var(--field);border-radius:6px;padding:1px 6px;color:var(--ink)}
.md pre{background:var(--field);border:1px solid var(--field-ring);border-radius:18px;padding:18px 20px;overflow:auto;font-size:13px;line-height:1.7}
.md pre code{background:none;padding:0}
.md table{border-collapse:collapse;width:100%;font-size:13px;margin:12px 0 18px;display:block;overflow-x:auto}
.md th,.md td{text-align:left;padding:9px 12px;border-bottom:1px dotted var(--dotline);vertical-align:top;color:var(--ink-2)}
.md th{color:var(--ink);font-weight:500}
@media (max-width:900px){.cols,.sec,.docs{grid-template-columns:minmax(0,1fr)}.feats{grid-template-columns:1fr 1fr}.toc{position:static;max-height:none}}
@media (max-width:640px){.code:has(>.copy){padding-top:60px}.feats{grid-template-columns:1fr}.brand b{font-size:22px}.brand span{display:none}.nav a.link{padding:8px 9px}.btn.solid{padding:13px 22px}.gl{padding:22px;border-radius:24px}.foot a{margin:0 14px 0 0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.up{opacity:1;transform:none}}