/* MARXI monochrome shell. Geometry and canvas rendering remain original. */
:root{--bg:#101010;--panel:#181818;--line:#444;--muted:#b5b5b5;--text:#f5f4f0;--gold:#eee}
body{font-family:Inter,Arial,Helvetica,sans-serif}header{height:auto;min-height:82px;gap:24px;flex-wrap:wrap;padding:18px 30px;background:#101010}.marxi-logo img{display:block;width:150px;height:auto}.tool-title{font-size:19px;font-weight:500}.marxi-nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:14px}.marxi-nav a{color:inherit;text-decoration:none}.marxi-nav a:hover{text-decoration:underline}.tool-languages{display:flex;gap:6px}.tool-languages a{border:1px solid #444;padding:7px 8px}.tool-languages a[aria-current]{background:#eee;color:#111}a:focus-visible{outline:2px solid #fff;outline-offset:4px}
select,input[type=number],#layer-name,button,.layer-row,#rosette-gallery button,.profile,#image-preview{background:#252525;border-color:#555;color:var(--text)}label{color:#ccc}.viewtabs{background:#111}.viewtabs button.active{background:#353535;color:#fff}.primary-button{background:#eee;color:#111}.primary-button:hover{background:#ccc;color:#111}.notice strong{color:#ddd}.stage{background:radial-gradient(ellipse at center,#282828,#111)}
@media(max-width:650px){header{padding:14px 16px;gap:12px}.tool-title{font-size:16px}.marxi-nav{width:100%;justify-content:space-between}.marxi-logo img{width:125px}}