:root{--bg:#07101a;--panel:rgba(12,27,42,.88);--panel-strong:#0d2031;--line:rgba(111,225,255,.16);--text:#edfaff;--muted:#91aabc;--cyan:#36d6f2;--blue:#378fff;--green:#43e0aa;--radius:22px;--shadow:0 24px 70px rgba(0,0,0,.34)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:46px}body{margin:0;padding-top:30px;color:var(--text);background:radial-gradient(circle at 8% 4%,rgba(55,143,255,.16),transparent 28rem),radial-gradient(circle at 92% 16%,rgba(54,214,242,.1),transparent 25rem),linear-gradient(145deg,#050b12,var(--bg) 48%,#071725);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}body::before{content:"";position:fixed;inset:30px 0 0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(92,189,225,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(92,189,225,.06) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}a{color:var(--cyan)}button,input,select{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:2147483640;padding:10px 14px;color:#041019;background:var(--cyan);border-radius:10px;font-weight:800}.skip-link:focus{top:38px}.page{position:relative;width:min(1240px,calc(100% - 32px));margin:0 auto;padding:54px 0 28px;display:grid;grid-template-columns:minmax(360px,.88fr) minmax(0,1.45fr);gap:20px;grid-template-areas:"header header" "settings right" "footer footer"}.header{grid-area:header;position:relative;overflow:hidden;padding:clamp(30px,6vw,64px);border:1px solid var(--line);border-radius:30px;background:linear-gradient(135deg,rgba(13,35,53,.96),rgba(7,19,31,.86));box-shadow:var(--shadow)}.header::after{content:"8-BIT";position:absolute;right:3%;top:50%;transform:translateY(-50%);color:transparent;-webkit-text-stroke:1px rgba(54,214,242,.12);font:800 clamp(5rem,15vw,11rem)/1 "Space Grotesk",sans-serif;letter-spacing:-.08em}.header>*{position:relative;z-index:1}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--cyan);font-size:.74rem;font-weight:800;letter-spacing:.16em}.eyebrow span{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(67,224,170,.1),0 0 18px var(--green)}.header h1{margin:12px 0 10px;font:700 clamp(2.7rem,7vw,5.4rem)/.96 "Space Grotesk",sans-serif;letter-spacing:-.06em}.header h1 span{color:var(--cyan)}.header p{max-width:690px;margin:0;color:#b4c7d4;font-size:clamp(.96rem,1.6vw,1.12rem);line-height:1.7}.privacy-note{display:inline-flex;gap:10px;margin-top:22px;padding:9px 13px;border:1px solid rgba(67,224,170,.2);border-radius:999px;background:rgba(67,224,170,.07);font-size:.78rem}.privacy-note strong{color:var(--green)}.privacy-note span{color:var(--muted)}.settings,.right{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.settings{grid-area:settings;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:22px;align-content:start}.settingsheader{grid-column:1 / -1}.settings1,.settings2{min-width:0}.settings1>div,.settings2>div{margin-bottom:18px}.settingsfooter{grid-column:1 / -1}.right{grid-area:right;padding:24px}h2{display:flex;align-items:center;gap:10px;margin:0 0 22px;font:700 1.35rem/1.2 "Space Grotesk",sans-serif}h2>span{display:grid;place-items:center;width:34px;height:34px;color:#041019;background:linear-gradient(135deg,var(--cyan),var(--green));border-radius:10px;font:800 .72rem/1 Inter,sans-serif}h3{margin:28px 0 10px;color:#dff8ff;font-size:.9rem;letter-spacing:.04em}input[type="radio"],input[type="checkbox"]{accent-color:var(--cyan);width:16px;height:16px;vertical-align:-3px}input[type="text"],input[type="number"],select{width:100%;min-height:40px;margin:5px 0 8px;padding:8px 10px;color:var(--text);background:#081521;border:1px solid rgba(125,190,218,.22);border-radius:10px;outline:none}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.upload-zone{position:relative;min-height:150px;margin-bottom:14px;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px dashed rgba(54,214,242,.5);border-radius:18px;background:rgba(54,214,242,.055);transition:.2s ease}.upload-zone:hover,.upload-zone.is-dragging{border-color:var(--green);background:rgba(67,224,170,.1);transform:translateY(-2px)}.upload-zone input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-zone strong{color:var(--text);font-size:1rem}.upload-zone span{margin-top:7px;color:var(--muted);font-size:.78rem}.button{min-height:42px;padding:9px 15px;border:1px solid transparent;border-radius:11px;cursor:pointer;font-weight:800;transition:transform .18s ease,filter .18s ease,border-color .18s ease}.button:hover{transform:translateY(-1px);filter:brightness(1.08)}.button-primary{color:#041019;background:linear-gradient(135deg,var(--cyan),var(--green))}.button-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line)}.settings-output{max-height:250px;overflow:auto;padding:16px;color:#afd0df;background:#06111b;border:1px solid var(--line);border-radius:14px;font:500 .74rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap}.progress-output{position:relative;overflow:hidden;min-height:34px;margin:8px 0;padding:8px 12px;color:#e9fbff;background:#06111b;border:1px solid var(--line);border-radius:10px;font:700 .76rem/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}.progress-output::before{content:"";position:absolute;inset:0 auto 0 0;width:var(--progress,0%);background:linear-gradient(90deg,rgba(55,143,255,.32),rgba(54,214,242,.32));transition:width .15s linear}.progress-output::after{content:"";position:absolute;inset:auto auto 0 0;width:var(--progress,0%);height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--green))}#readMessage,#resampleMessage,#convertMessage,#zipMessage{min-height:19px;margin:4px 0;color:var(--muted);font:500 .76rem/1.4 Inter,sans-serif;white-space:pre-wrap}#controls{margin-top:12px;padding:18px;border:1px solid rgba(67,224,170,.22);border-radius:14px;background:rgba(67,224,170,.06);line-height:2}#controls .button{margin:8px 6px 0 0}.footer{grid-area:footer;display:flex;justify-content:space-between;gap:14px;padding:16px 4px;color:var(--muted);font-size:.78rem}.footer b{color:var(--cyan)}@media (max-width:980px){.page{grid-template-columns:1fr;grid-template-areas:"header" "settings" "right" "footer"}}@media (max-width:620px){.page{width:min(100% - 20px,1240px);padding-top:28px}.header,.settings,.right{padding:20px;border-radius:18px}.settings{grid-template-columns:1fr}.settingsheader,.settingsfooter{grid-column:1}.header::after{opacity:.4}.privacy-note,.footer{flex-direction:column}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}