:root{--bg:#0d0d17;--panel:#12121f;--line:#1f3a2a;--green:#00ff66;--dim:#7ee2a8;--text:#cfd8d3;--muted:#8a9a92;--pink:#ff4dd2;--mono:'Courier New',Consolas,Menlo,monospace;--sans:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.7}
a{color:var(--green)}
a:hover{color:var(--pink)}
img{max-width:100%;height:auto}

/* header */
.site-header{border-bottom:1px solid var(--line);background:#090911}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 16px}
.logo{font-family:var(--mono);font-weight:700;font-size:20px;color:var(--green);text-decoration:none;white-space:nowrap}
.logo::before{content:"> "}
.logo::after{content:"_";animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}
.site-nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-family:var(--mono);font-size:15px}
.site-nav a{text-decoration:none;color:var(--dim)}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--green);text-decoration:underline}

.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.content{max-width:780px;margin:0 auto;padding:28px 16px 48px}
.content.wide{max-width:1100px}

h1,h2,h3{font-family:var(--mono);color:var(--green);line-height:1.25}
h1{font-size:clamp(26px,5vw,38px);margin:8px 0 14px}
h2{font-size:clamp(21px,3.6vw,27px);margin:38px 0 10px;padding-top:6px;border-top:1px solid var(--line)}
h3{font-size:19px;margin:26px 0 6px;color:var(--dim)}
p,ul,ol{margin:0 0 16px}
li{margin-bottom:6px}
.lead{font-size:19px;color:#e6efe9}
.meta,.crumbs{font-family:var(--mono);font-size:13px;color:var(--muted)}
.crumbs{margin-bottom:6px}
.crumbs a{color:var(--muted)}
kbd{font-family:var(--mono);font-size:.9em;background:#1b1b2c;border:1px solid #33334d;border-bottom-width:2px;border-radius:4px;padding:1px 6px;color:#fff}
code{font-family:var(--mono);font-size:.92em;background:#16162a;padding:2px 5px;border-radius:4px;color:var(--dim)}
pre{background:#07070d;border:1px solid var(--line);border-radius:8px;padding:14px;overflow-x:auto;font-size:14px;line-height:1.5}
pre code{background:none;padding:0;color:#b6f5cf}
table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px}
.table-scroll{overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{font-family:var(--mono);color:var(--green);background:var(--panel)}
.note{border-left:3px solid var(--green);background:var(--panel);padding:12px 16px;border-radius:0 8px 8px 0;margin:0 0 20px}
.btn{display:inline-block;font-family:var(--mono);font-size:15px;background:var(--green);color:#04130a;text-decoration:none;font-weight:700;padding:9px 16px;border-radius:6px;border:0;cursor:pointer}
.btn:hover{background:var(--pink);color:#fff}
.btn.ghost{background:transparent;color:var(--green);border:1px solid var(--green)}
.btn.ghost:hover{background:var(--green);color:#04130a}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:0;margin:20px 0 28px;list-style:none}
.cards li{margin:0}
.card{display:block;height:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--green);transform:translateY(-2px);color:var(--text)}
.card strong{display:block;font-family:var(--mono);color:var(--green);font-size:17px;line-height:1.3;margin-bottom:6px}
.card span{font-size:15px;color:var(--muted);line-height:1.5;display:block}
.card small{display:block;margin-top:8px;font-family:var(--mono);color:var(--muted);font-size:12px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#090911;padding:26px 0 34px;font-size:14px;color:var(--muted)}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px;margin-bottom:18px}
.site-footer b{display:block;font-family:var(--mono);color:var(--green);margin-bottom:6px}
.site-footer a{display:block;color:var(--dim);text-decoration:none;padding:2px 0}
.site-footer a:hover{color:var(--green);text-decoration:underline}

/* ---------- tools ---------- */
.tool{position:relative;background:#000;border:1px solid var(--green);border-radius:8px;overflow:hidden;margin:16px 0 8px;color:var(--green);--tc:#00ff66}
.tool:fullscreen{border:0;border-radius:0;width:100vw;height:100vh}
.tool-bar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:8px 10px;background:#0a0a14;border-bottom:1px solid #153;font-family:var(--mono);font-size:13px;color:var(--dim);position:relative;z-index:3}
.tool-bar label{display:inline-flex;align-items:center;gap:6px}
.tool-bar select,.tool-bar input[type=text]{background:#000;color:var(--green);border:1px solid #2a5;border-radius:4px;padding:4px 6px;font-family:var(--mono);font-size:13px}
.tool-bar input[type=range]{width:90px;accent-color:var(--green)}
.tool-bar button{font-family:var(--mono);font-size:13px;background:#000;color:var(--green);border:1px solid #2a5;border-radius:4px;padding:4px 10px;cursor:pointer}
.tool-bar button:hover,.tool-bar button[aria-pressed=true]{background:var(--green);color:#000}
.screen{position:relative;height:62vh;min-height:320px;overflow:hidden;cursor:text}
.tool:fullscreen .screen{height:calc(100vh - 42px)}
.tool.bare:fullscreen .screen{height:100vh}
.screen pre.out{position:absolute;inset:0;margin:0;border:0;border-radius:0;background:transparent;padding:12px;overflow:hidden;white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:15px;line-height:1.35;color:var(--tc);display:flex;flex-direction:column;justify-content:flex-end;z-index:1}
.screen pre.out span.txt::after{content:"";display:inline-block;width:9px;height:1em;background:var(--tc);vertical-align:text-bottom;margin-left:2px;animation:blink 1s step-end infinite}
.screen canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.screen .hint{position:absolute;left:0;right:0;top:40%;text-align:center;font-family:var(--mono);color:var(--tc);opacity:.8;z-index:2;pointer-events:none;padding:0 12px}
.ghost-input{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;border:0;padding:0}
.overlay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:5;font-family:var(--mono);font-weight:700;font-size:clamp(22px,5vw,46px);letter-spacing:2px;padding:18px 30px;background:#000;border:3px solid;text-align:center;display:none;max-width:92%}
.overlay.on{display:block;animation:pop .25s ease-out}
.overlay.ok{color:#00ff66;border-color:#00ff66;box-shadow:0 0 40px #00ff6688}
.overlay.bad{color:#ff3344;border-color:#ff3344;box-shadow:0 0 40px #ff334488}
.overlay small{display:block;font-size:14px;font-weight:400;letter-spacing:0;margin-top:8px;color:#fff}
@keyframes pop{from{transform:translate(-50%,-50%) scale(.6);opacity:0}}
.tool-tip{font-family:var(--mono);font-size:13px;color:var(--muted);margin:0 0 24px}

/* simulator dashboard */
.sim{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:8px;padding:8px;background:#03060a}
.sim .panel{border:1px solid #1d6b43;background:#000;border-radius:4px;min-height:120px;position:relative;overflow:hidden;font-family:var(--mono);font-size:13px;color:var(--green)}
.sim .panel h4{margin:0;padding:4px 8px;font-size:12px;font-weight:400;background:#0c2a1b;color:#9ff5c4;letter-spacing:1px}
.sim .panel .body{padding:8px;height:150px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;white-space:pre-wrap;word-break:break-all;line-height:1.35}
.sim .p-term{grid-row:span 4}
.sim .p-term .body{height:100%;min-height:380px;position:absolute;inset:22px 0 0 0}
.bar{flex:none;height:10px;border:1px solid #1d6b43;margin:3px 0 9px;position:relative}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--green);width:0;transition:width .3s}
.crack{font-size:22px;letter-spacing:4px;text-align:center;margin:8px 0}
.crack b{color:#fff}
@media(max-width:720px){.sim{grid-template-columns:1fr}.sim .p-term{grid-row:auto}.sim .p-term .body{position:static;height:200px;min-height:0}.screen{height:52vh}}

/* prank setup */
.setup{display:grid;gap:12px;max-width:520px;margin:0 0 8px;font-family:var(--mono);font-size:15px}
.setup label{display:grid;gap:4px;color:var(--dim)}
.setup input,.setup select{background:#000;color:var(--green);border:1px solid #2a5;border-radius:6px;padding:9px;font-family:var(--mono);font-size:16px;width:100%}

/* ---------- full-screen prank screens ---------- */
.tool.bare:fullscreen .tool-bar{display:none}
.tool.bare:fullscreen{cursor:none}
.fake{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:6% 10%;font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;color:#fff;line-height:1.4;user-select:none}
.fake p{margin:0 0 .7em}
.fake .big{font-size:clamp(18px,2.6vw,34px)}
.fake .small{font-size:clamp(12px,1.2vw,17px);opacity:.9}
.bsod.modern{background:#0b5cad}
.bsod.dark{background:#000}
.bsod .face{font-size:clamp(60px,11vw,150px);line-height:1;margin-bottom:.15em}
.bsod .pct{font-size:clamp(18px,2.6vw,34px)}
.bsod.classic{background:#0000a8;font-family:var(--mono);align-items:flex-start}
.bsod.classic .face{display:none}
.bsod.classic .big,.bsod.classic .pct{font-size:clamp(15px,1.6vw,22px)}
.update{align-items:center;text-align:center}
.update.blue{background:#0b5cad}
.update.dark{background:#000}
.update.light{background:#f2f2f2;color:#111}
.spinner{width:clamp(36px,5vw,64px);height:clamp(36px,5vw,64px);border:4px solid rgba(128,128,128,.35);border-top-color:currentColor;border-radius:50%;animation:spin 1.1s linear infinite;margin-bottom:28px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- text tools ---------- */
.panel-tool{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin:16px 0 24px}
.panel-tool textarea{width:100%;min-height:120px;background:#000;color:var(--green);border:1px solid #2a5;border-radius:6px;padding:10px;font-family:var(--mono);font-size:16px;line-height:1.4;resize:vertical}
.panel-tool .opts{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;margin:10px 0;font-family:var(--mono);font-size:14px;color:var(--dim)}
.panel-tool .opts label{display:inline-flex;align-items:center;gap:6px}
.panel-tool select{background:#000;color:var(--green);border:1px solid #2a5;border-radius:4px;padding:5px 6px;font-family:var(--mono);font-size:14px}
.panel-tool input[type=range]{accent-color:var(--green)}
.panel-tool button{font-family:var(--mono);font-size:14px;background:#000;color:var(--green);border:1px solid #2a5;border-radius:4px;padding:6px 12px;cursor:pointer}
.panel-tool button:hover{background:var(--green);color:#000}
.panel-tool .msg{color:#ff6677;font-family:var(--mono);font-size:14px;min-height:1.2em}
.out-row{display:grid;grid-template-columns:120px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.out-row b{font-family:var(--mono);font-size:13px;color:var(--dim);font-weight:400}
.out-row output{font-size:18px;color:#fff;word-break:break-word;white-space:pre-wrap;min-width:0;line-height:1.9}
@media(max-width:560px){.out-row{grid-template-columns:1fr auto}.out-row b{grid-column:1/-1}}

/* ---------- article images ---------- */
figure.hero{margin:18px 0 24px}
figure.hero img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.card img{display:block;width:100%;height:auto;border-radius:6px;margin-bottom:10px}

/* ---------- operating-system update styles ---------- */
.update .os-logo{font-size:clamp(28px,4vw,56px);font-weight:300;letter-spacing:1px;margin-bottom:28px;min-height:1px}
.update .os-logo img{display:block;max-height:clamp(48px,10vh,104px);max-width:40vw;margin:0 auto}
.update .bar{display:none;width:min(260px,50%);height:6px;border:0;border-radius:3px;background:rgba(255,255,255,.25);overflow:hidden;margin:0 auto 22px}
.update .bar i{background:#fff;border-radius:3px;transition:width 1s linear}
.update .foot{position:absolute;left:0;right:0;bottom:9%;text-align:center}
.update p:empty{display:none}
.update.win11{background:#000}
.update.win10{background:#0078d7}
.update.win11 .big,.update.win10 .big{font-size:clamp(15px,1.9vw,24px);margin-bottom:.3em}
.update.mac{background:#000}
.update.mac .spinner,.update.ubuntu .spinner,.update.ubuntu24 .spinner,.update.winxp .spinner,.update.android .spinner,.update.chromeos .spinner{display:none}
.update.mac .bar,.update.android .bar{display:block}
.update.ubuntu,.update.ubuntu24{background:#2c001e}
.update.chromeos{background:#1f1f1f}
.update.winxp .os-logo{font-weight:700;font-style:italic}

/* ---------- colour screens, screensavers, prank screens ---------- */
.bouncer{position:absolute;left:0;top:0;--c:#00ff66;color:var(--c);font:700 clamp(22px,4vw,54px)/1 var(--mono);white-space:nowrap;will-change:transform;padding:4px}
.bouncer.masked{width:clamp(110px,18vw,240px);background:var(--c);-webkit-mask:center/contain no-repeat;mask:center/contain no-repeat;padding:0}
.clock{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:clamp(4px,1vw,14px);font:700 clamp(40px,13vw,210px)/1 'Segoe UI',system-ui,Arial,sans-serif}
.clock .fd{position:relative;background:#1b1b1b;color:#f2f2f2;border-radius:.09em;padding:.12em .1em;min-width:.72em;text-align:center;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.clock .fd::after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:rgba(0,0,0,.55)}
.clock .fd.flip{animation:flip .45s ease-out}
@keyframes flip{from{transform:rotateX(-90deg)}to{transform:none}}
.clock .sep{color:#1b1b1b;padding:0 .02em}
.screen.clock-light{background:#f3f3f3}
.screen.clock-dark{background:#000}
.screen.clock-dark .sep{color:#f2f2f2}
.screen.clock-green{background:#000}
.screen.clock-green .fd{background:#04130a;color:#00ff66}
.screen.clock-green .sep{color:#00ff66}
.ns-bars{background:linear-gradient(90deg,#c0c0c0 0 14.28%,#c0c000 14.28% 28.57%,#00c0c0 28.57% 42.85%,#00c000 42.85% 57.14%,#c000c0 57.14% 71.42%,#c00000 71.42% 85.71%,#0000c0 85.71%)}
.ns-bars canvas,.ns-blue canvas{display:none}
.ns-static canvas{image-rendering:pixelated}
.ns-blue{background:#0000d0}
.ns-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;background:#000;color:#fff;font:700 clamp(16px,2.6vw,34px)/1 var(--mono);padding:.5em .9em;letter-spacing:2px;white-space:nowrap}
.quote-box{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:8% 12%;transition:opacity .5s;font-family:Georgia,'Times New Roman',serif}
.quote{font-size:clamp(20px,3.6vw,54px);line-height:1.3;margin:0 0 .6em}
.quote-by{font-size:clamp(14px,1.7vw,24px);opacity:.7;text-align:right;margin:0}
.screen.quote-light{background:#fff;color:#111}
.screen.quote-dark{background:#000;color:#f2f2f2}
.screen.quote-green{background:#000;color:#00ff66}
.screen.quote-green .quote-box{font-family:var(--mono)}
.crack-black{background:#000}
.crack-white{background:#f4f4f4}
.crack-desktop{background:linear-gradient(135deg,#1e3c72,#2a5298 45%,#6dd5ed)}
.crack-white canvas{filter:invert(1)}
.screen.pointer{cursor:crosshair}
.radar-read{position:absolute;right:14px;top:10px;z-index:2;font:13px var(--mono);color:#9ff5c4;text-align:right}
.swatches{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:14px 0 24px;list-style:none}
.swatches a{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--mono);font-size:14px;border:1px solid var(--line);border-radius:8px;padding:6px 12px 6px 6px;color:var(--text)}
.swatches a:hover{border-color:var(--green)}
.swatches i{width:34px;height:22px;border-radius:4px;border:1px solid #444}
.update.mac .os-logo img{filter:brightness(0) invert(1)}

/* footer: site links sit in one row above the copyright line */
.site-footer .cols{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.site-footer .legal{border-top:1px solid var(--line);padding-top:16px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between}
.site-footer .legal nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.site-footer .legal a{display:inline;padding:0}
.site-footer .legal p{margin:0}

/* ---------- password generator ---------- */
.pw-main{background:#000;border:1px solid #2a5;border-radius:8px;padding:16px;margin-bottom:10px}
.pw-main output{display:block;font:700 clamp(18px,3.2vw,28px)/1.4 var(--mono);color:#fff;word-break:break-all;user-select:all}
.panel-tool button.primary{background:var(--green);color:#04130a;font-weight:700}
.panel-tool .meter{height:8px;background:#1b1b2c;border-radius:4px;overflow:hidden;margin:6px 0}
.panel-tool .meter i{display:block;height:100%;width:0;transition:width .25s,background .25s}
.pw-strength{font-family:var(--mono);font-size:14px;color:var(--dim);margin-bottom:8px}
.panel-tool h3{margin-top:18px;font-size:16px}
.out-row.pw-row{grid-template-columns:1fr auto}
.out-row.pw-row output{font-family:var(--mono);font-size:16px;word-break:break-all;user-select:all}

/* ---------- operating-system picker under the fake update screens ---------- */
.os-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:12px;list-style:none;padding:0;margin:8px 0 28px}
.os-pick li{margin:0}
.os-pick a{display:block;text-align:center;text-decoration:none;font-family:var(--mono);font-size:13px;color:var(--dim);padding:8px;border:1px solid transparent;border-radius:10px}
.os-pick a:hover,.os-pick a[aria-current]{border-color:var(--green);background:var(--panel);color:var(--green)}
.os-pick .thumb{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;border-radius:6px;border:1px solid #333;margin-bottom:8px;background:#000;overflow:hidden}
.os-pick .thumb img{max-width:46%;max-height:46%}
.os-pick .thumb i{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%}
.os-pick .t-win10{background:#0078d7}
.os-pick .t-winxp{background:#5a7edc}
.os-pick .t-ubuntu{background:#2c001e}
.os-pick .t-chromeos{background:#1f1f1f}
.os-pick .t-chromeos img,.os-pick .t-ubuntu img,.os-pick .t-winxp img{max-width:62%}
.os-pick .t-mac img{filter:brightness(0) invert(1)}
.os-pick .t-all{background:linear-gradient(135deg,#0067b8 0 33%,#000 33% 66%,#2c001e 66%)}
.tool-bar input[type=text]{text-align:center}

/* ---------- Ubuntu splash: five dots that turn orange one by one ---------- */
.ub-dots{display:none;gap:clamp(18px,3vw,38px);justify-content:center}
.update.ubuntu .ub-dots,.update.ubuntu24 .ub-dots{display:flex}
.update.ubuntu .os-logo,.update.ubuntu24 .os-logo{margin-bottom:clamp(18px,3vh,34px)}
.update.ubuntu .os-logo img,.update.ubuntu24 .os-logo img{max-height:none;width:clamp(180px,26vw,330px);max-width:60vw}
.ub-dots span{width:clamp(6px,.7vw,9px);height:clamp(6px,.7vw,9px);border-radius:50%;background:#fff;animation:3.6s steps(1) infinite}
.ub-dots span:nth-child(1){animation-name:ub1}.ub-dots span:nth-child(2){animation-name:ub2}.ub-dots span:nth-child(3){animation-name:ub3}
.ub-dots span:nth-child(4){animation-name:ub4}.ub-dots span:nth-child(5){animation-name:ub5}
@keyframes ub1{0%{background:#fff}14%,100%{background:#e95420}}
@keyframes ub2{0%{background:#fff}28%,100%{background:#e95420}}
@keyframes ub3{0%{background:#fff}42%,100%{background:#e95420}}
@keyframes ub4{0%{background:#fff}56%,100%{background:#e95420}}
@keyframes ub5{0%{background:#fff}70%,100%{background:#e95420}}

/* ---------- Chrome OS firmware-update screen ----------
   Measured from a 1920x1080 reference. --u is one reference pixel, so the whole screen
   scales with the width of its box, in the page preview and in full screen alike. */
[data-tool=update] .screen{container-type:size}
.update.chromeos{--u:max(.052083vw,.5px);align-items:flex-start;text-align:left;padding:0 0 0 39.9%;font-family:Arial,Arimo,'Liberation Sans',Helvetica,sans-serif}
@supports (width:1cqw){.update.chromeos{--u:max(.052083cqw,.5px)}}
.update.chromeos::before,.update.chromeos::after{content:"";position:absolute;left:24.84%;right:24.84%;height:calc(var(--u)*2);background:linear-gradient(#434343 50%,#5c5c5c 50%)}
.update.chromeos::before{top:25.556%}
.update.chromeos::after{top:74.26%}
.update.chromeos .os-logo{position:absolute;left:25%;bottom:calc(74.444% + var(--u)*11);margin:0;min-height:0;display:flex;align-items:center;gap:calc(var(--u)*8);font-size:calc(var(--u)*22);font-weight:400;letter-spacing:0;line-height:calc(var(--u)*28)}
.update.chromeos .os-logo img{width:calc(var(--u)*28);height:calc(var(--u)*28);max-width:none;max-height:none;margin:0}
.update.chromeos .spinner{display:block;position:absolute;left:36.406%;top:50.093%;width:calc(var(--u)*58);height:calc(var(--u)*58);margin:calc(var(--u)*-29) 0 0 calc(var(--u)*-29);border:0;border-radius:50%;
  background:conic-gradient(#808080 0 90deg,#989898 90deg 120deg,#cacaca 120deg 150deg,#fefefe 150deg 180deg,#f3f3f3 180deg 210deg,#e6e6e6 210deg 240deg,#808080 240deg);
  -webkit-mask:repeating-conic-gradient(#000 0 22.5deg,transparent 22.5deg 30deg),radial-gradient(closest-side,transparent 68%,#000 70%);-webkit-mask-composite:source-in;
  mask:repeating-conic-gradient(#000 0 22.5deg,transparent 22.5deg 30deg),radial-gradient(closest-side,transparent 68%,#000 70%);mask-composite:intersect;
  animation:spin 1.2s steps(12) infinite}
.update.chromeos p{margin:0;font-size:calc(var(--u)*22);font-weight:400;line-height:calc(var(--u)*36);max-width:calc(var(--u)*520);white-space:pre-line}
.update.chromeos p[data-title]{margin-bottom:calc(var(--u)*34)}
@media(max-width:700px){.update.chromeos{--u:.62px;padding:0 6% 0 26%}.update.chromeos::before,.update.chromeos::after{left:6%;right:6%}.update.chromeos .os-logo{left:7%}.update.chromeos .spinner{left:13%}.update.chromeos p{white-space:normal;max-width:none}}
.os-pick .t-chromeos img{max-width:70%}

/* ---------- Windows 10 / 11: orbiting-dot spinner ---------- */
.win-dots{display:none;position:relative;width:clamp(34px,3.2vw,56px);height:clamp(34px,3.2vw,56px);margin-bottom:clamp(14px,2.4vh,30px)}
.update.win10 .win-dots,.update.win11 .win-dots{display:block}
.update.win10 .spinner,.update.win11 .spinner{display:none}
.win-dots i{position:absolute;inset:0;opacity:0;animation:orbit 5.5s infinite}
.win-dots i::after{content:"";position:absolute;left:0;top:0;width:clamp(4px,.36vw,6px);height:clamp(4px,.36vw,6px);border-radius:50%;background:#fff}
.win-dots i:nth-child(2){animation-delay:.24s}.win-dots i:nth-child(3){animation-delay:.48s}.win-dots i:nth-child(4){animation-delay:.72s}.win-dots i:nth-child(5){animation-delay:.96s}
@keyframes orbit{0%{transform:rotate(225deg);opacity:1;animation-timing-function:ease-out}7%{transform:rotate(345deg);animation-timing-function:linear}30%{transform:rotate(455deg);animation-timing-function:ease-in-out}39%{transform:rotate(690deg);animation-timing-function:linear}70%{transform:rotate(815deg);opacity:1;animation-timing-function:ease-out}75%{transform:rotate(945deg);animation-timing-function:ease-out}76%{transform:rotate(945deg);opacity:0}100%{transform:rotate(945deg);opacity:0}}
.update.win10 .big,.update.win11 .big{font-family:'Segoe UI Light','Segoe UI',system-ui,Arial,sans-serif;font-weight:300;font-size:clamp(14px,1.25vw,24px);margin-bottom:.25em}
.update.win10 .foot,.update.win11 .foot{font-family:'Segoe UI Light','Segoe UI',system-ui,Arial,sans-serif;font-weight:300;font-size:clamp(13px,1.15vw,22px);bottom:10%;opacity:1}

/* ---------- Windows XP "Installing Windows Updates" screen ---------- */
.update.winxp{align-items:flex-end;text-align:right;padding:0 32% 0 4%;font-family:Tahoma,'Segoe UI',Verdana,sans-serif;
  background:linear-gradient(#00309c,#00309c) top/100% 10% no-repeat,linear-gradient(90deg,#3b30aa,#06309c) bottom/100% 12% no-repeat,radial-gradient(circle at 8% 14%,#9db7ee 0,rgba(157,183,238,0) 30%),#5a7edc}
.update.winxp::before,.update.winxp::after{content:"";position:absolute;left:0;right:0;height:2px}
.update.winxp::before{top:10%;background:linear-gradient(90deg,rgba(255,255,255,0),#dfe8ff 35%,rgba(255,255,255,0) 90%)}
.update.winxp::after{bottom:12%;background:linear-gradient(90deg,rgba(255,153,0,0),#f59a23 35%,rgba(255,153,0,0) 90%)}
.update.winxp .os-logo{margin-bottom:clamp(14px,3.5vh,40px);font-style:normal}
.update.winxp .os-logo img{max-height:none;width:clamp(120px,13vw,250px);max-width:60vw;margin:0 0 0 auto}
.update.winxp .big{font-size:clamp(13px,1.25vw,24px);margin-bottom:.3em}
@media(max-width:700px){.update.winxp{padding-right:10%}}
.update.ubuntu .ub-dots span,.update.ubuntu24 .ub-dots span{animation:ubone 2.5s steps(1) infinite}
.update.ubuntu .ub-dots span:nth-child(2),.update.ubuntu24 .ub-dots span:nth-child(2){animation-delay:.5s}.update.ubuntu .ub-dots span:nth-child(3),.update.ubuntu24 .ub-dots span:nth-child(3){animation-delay:1s}
.update.ubuntu .ub-dots span:nth-child(4),.update.ubuntu24 .ub-dots span:nth-child(4){animation-delay:1.5s}.update.ubuntu .ub-dots span:nth-child(5),.update.ubuntu24 .ub-dots span:nth-child(5){animation-delay:2s}
@keyframes ubone{0%{background:#e95420}20%,100%{background:#fff}}
.os-pick .t-ubuntu24{background:#2c001e}
.os-pick .t-ubuntu24 img{max-width:62%}

/* ---------- Android "Installing system update" screen ---------- */
.update.android{background:#3b82e0;font-family:Roboto,Arial,Helvetica,sans-serif}
.update.android .os-logo{position:relative;margin-bottom:clamp(28px,9vh,110px)}
.update.android .os-logo img{max-height:clamp(90px,21vh,230px)}
.update.android .os-logo:has(img)::after{content:"\21BB";position:absolute;left:50%;top:53%;transform:translate(-50%,-50%);color:#3b82e0;font:700 clamp(22px,5.2vh,56px)/1 Arial,sans-serif}
.update.android p,.update.android .bar{width:clamp(180px,14vw,270px)}
.update.android p{text-align:left;font-size:clamp(14px,1.3vw,24px);margin-bottom:.4em}
.update.android .bar{order:5;height:6px;border-radius:0;margin:6px 0 0;background:rgba(255,255,255,.3)}
.update.android .bar i{border-radius:0}
.os-pick .t-android{background:#3b82e0}

/* ---------- tutorial code blocks ---------- */
.code-bar{display:flex;align-items:center;gap:8px;background:#0c2a1b;border:1px solid var(--line);border-bottom:0;border-radius:8px 8px 0 0;padding:6px 10px;font-family:var(--mono);font-size:13px;color:#9ff5c4}
.code-bar span{margin-right:auto}
.code-bar button{font-family:var(--mono);font-size:13px;background:#000;color:var(--green);border:1px solid #2a5;border-radius:4px;padding:4px 10px;cursor:pointer}
.code-bar button:hover{background:var(--green);color:#000}
.code-bar + pre{border-radius:0 0 8px 8px;margin-top:0;max-height:560px;overflow:auto}

/* ---------- blog index: 3 cards per row on large screens, 2 on tablets, 1 on phones ---------- */
.cards.posts{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:980px){.cards.posts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.cards.posts{grid-template-columns:1fr}}

/* ---------- language links ---------- */
.langs{display:flex;flex-wrap:wrap;gap:4px 12px;font-family:var(--mono);font-size:13px}
.langs a{color:var(--muted);text-decoration:none}
.langs a:hover,.langs a[aria-current]{color:var(--green)}
.site-footer .legal .langs a{display:inline;padding:0}