@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700&display=swap');

:root{--bg:#0b1114;--surface:#121a1e;--surface2:#172126;--line:#26343a;--text:#f4f7f6;--muted:#99a9ad;--mint:#a8f0d2;--mint2:#71d9b4;--blue:#8dc8ff;--danger:#ff9a9a;--shadow:0 24px 80px rgba(0,0,0,.32)}
*{box-sizing:border-box}
html{background:var(--bg);color-scheme:dark}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -20%,#1d3434 0,transparent 42%),var(--bg);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;overflow-x:hidden}
button,input{font:inherit}.shell{position:relative;width:min(760px,100%);margin:auto;padding:34px 20px 48px;z-index:1}.ambient{position:fixed;border-radius:999px;filter:blur(100px);opacity:.12;pointer-events:none}.ambient-one{width:380px;height:380px;background:#5de9bc;top:-200px;right:-170px}.ambient-two{width:320px;height:320px;background:#548cff;bottom:-180px;left:-180px}
.brand{display:flex;align-items:center;gap:10px;color:#cdd7d7;font:600 11px/1 'Manrope',sans-serif;letter-spacing:.16em}.brand-gem{display:grid;place-items:center;width:32px;height:32px;border:1px solid #52666a;border-radius:9px;color:var(--mint);letter-spacing:-.04em}.hero{padding:8px 2px 32px}.eyebrow{margin:36px 0 13px;color:var(--mint2);font:700 11px/1 'Manrope',sans-serif;letter-spacing:.2em}.hero h1{margin:0;font:600 clamp(38px,9vw,66px)/.99 'Manrope',sans-serif;letter-spacing:-.055em}.hero h1 span{color:#a9b6b8}.lede{max-width:600px;margin:20px 0 0;color:var(--muted);font-size:16px;line-height:1.65}
.converter{padding:22px;background:linear-gradient(145deg,rgba(24,35,40,.98),rgba(15,23,27,.98));border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}fieldset{border:0;padding:0;margin:0}.mode-picker legend{margin-bottom:11px;color:#cbd4d5;font-size:12px;font-weight:600}.mode-picker{display:grid;gap:9px}.mode-card{position:relative;display:flex;align-items:center;gap:12px;padding:15px;border:1px solid var(--line);border-radius:14px;background:#10181c;cursor:pointer;transition:.18s ease}.mode-card:has(input:checked){border-color:#70d9b4;background:linear-gradient(100deg,rgba(54,122,102,.2),rgba(16,24,28,.85));box-shadow:inset 0 0 0 1px rgba(112,217,180,.12)}.mode-card input{position:absolute;opacity:0}.radio-dot{width:18px;height:18px;border:1px solid #536267;border-radius:50%;box-shadow:inset 0 0 0 4px #10181c;flex:none}.mode-card:has(input:checked) .radio-dot{background:var(--mint);border-color:var(--mint);box-shadow:inset 0 0 0 4px #193128}.mode-copy{display:grid;gap:4px;min-width:0}.mode-copy strong{font-size:14px}.mode-copy small{color:var(--muted);font-size:12px}.mode-tag{margin-left:auto;padding:5px 8px;border-radius:999px;background:#202d32;color:#afbec0;font-size:10px;white-space:nowrap}.mode-card:has(input:checked) .mode-tag{background:#24473d;color:var(--mint)}
.drop-zone{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;min-height:135px;margin-top:14px;padding:20px;border:1px dashed #415359;border-radius:16px;background:rgba(7,12,14,.34);text-align:left;cursor:pointer;transition:.18s ease}.drop-zone:hover,.drop-zone.drag{border-color:var(--mint2);background:rgba(57,126,105,.1)}.drop-zone input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.drop-zone div:not(.upload-icon){display:grid;gap:5px}.drop-zone strong{font-size:14px}.drop-zone span{color:var(--muted);font-size:11px}.upload-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#1c2a2e;color:var(--mint)}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.upload-icon svg{width:21px}.submit{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:52px;margin-top:14px;border:0;border-radius:14px;background:var(--mint);color:#092019;font-weight:700;cursor:pointer;transition:.18s ease}.submit:hover{background:#c2f8e2;transform:translateY(-1px)}.submit:disabled{opacity:.55;cursor:wait;transform:none}.submit svg{width:18px}.privacy{display:flex;align-items:center;justify-content:center;gap:7px;margin:13px 0 0;color:#728387;font-size:10px}.privacy span{width:6px;height:6px;background:#64cb9f;border-radius:50%}
.status,.result{margin-top:18px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}.status{padding:18px;color:var(--muted)}.status.error{border-color:#603737;color:var(--danger)}.result{padding:22px}.result-head{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:18px}.result-head p{margin:4px 0 0;color:var(--muted);font-size:12px}.badge{padding:6px 9px;border-radius:999px;background:#213e36;color:var(--mint);font-size:10px;white-space:nowrap}.palette{padding:18px;border-radius:16px;background:linear-gradient(125deg,#25473d,#18282a);border:1px solid #31584d}.palette-label{color:#9ab9b0;font-size:10px;letter-spacing:.16em}.palette-name{margin:4px 0 14px;font:600 29px/1 'Manrope',sans-serif;letter-spacing:-.035em}.sliders{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.metric{padding:10px;border-radius:11px;background:rgba(5,14,12,.28)}.metric small{display:block;color:#95aaa5;font-size:9px;text-transform:uppercase;letter-spacing:.08em}.metric strong{display:block;margin-top:3px;font:600 18px/1.2 'Manrope'}.section-title{margin:22px 0 10px;color:#a8b6b8;font-size:10px;letter-spacing:.16em;text-transform:uppercase}.adjust-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.adjust-row{display:flex;justify-content:space-between;padding:10px 11px;background:#0e1619;border-radius:10px;color:#aab7b9;font-size:12px}.adjust-row b{color:var(--text)}.alt-list{display:grid;gap:7px}.alt{display:flex;justify-content:space-between;padding:10px 11px;border:1px solid #223036;border-radius:10px;font-size:12px;color:#b8c3c4}.notice{margin-top:16px;padding:12px;border-left:2px solid #8d7344;background:#1c1a15;color:#c2b79f;font-size:11px;line-height:1.5}.copy-btn{width:100%;margin-top:14px;padding:12px;border:1px solid #3b5354;border-radius:11px;background:transparent;color:#d8e3e1;cursor:pointer}.copy-btn:hover{border-color:var(--mint)}
.how{padding:26px 2px}.how .eyebrow{margin-top:20px}.steps{display:grid;gap:2px}.steps article{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #1f2a2e}.steps article>span{color:#587276;font:600 11px 'Manrope'}.steps strong{font-size:13px}.steps p{margin:4px 0 0;color:#77888c;font-size:12px;line-height:1.5}footer{padding-top:20px;border-top:1px solid #1e292d;color:#596a6e;text-align:center;font-size:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:640px){.shell{padding-top:54px}.converter{padding:28px}.mode-picker{grid-template-columns:1fr 1fr}.mode-card{min-height:82px}.mode-tag{position:absolute;right:10px;top:9px}.drop-zone{min-height:155px}.adjust-grid{grid-template-columns:repeat(3,1fr)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}