retro.css

/* Classic browser chrome, with the existing touch-friendly layout. */
/* Hand-drawn diamond tiles also fill unused space beneath short pages. */
:root{--page-pattern:linear-gradient(#a99bb8a8,#a99bb8a8),url('../assets/diamond-pattern.svg');background-color:#b2a4c0;background-image:var(--page-pattern);background-repeat:repeat;background-size:192px 192px;color:#25163c;--line:#847094}
body{background:none}
/* Progressive enhancement: translate one decorative layer, without scroll handlers
   or layout changes. Unsupported browsers keep the static root background. */
@supports(animation-timeline:scroll()){
  @media(prefers-reduced-motion:no-preference){
    body{isolation:isolate}
    body::before{content:'';position:fixed;inset:-64px 0;z-index:-1;pointer-events:none;background-color:#b2a4c0;background-image:var(--page-pattern);background-repeat:repeat;background-size:192px 192px;animation:page-pattern-drift linear both;animation-timeline:scroll(root block);filter:brightness(1);transition:filter 1.2s ease-in-out}
    .page-scrolling body::before{filter:brightness(1.03);transition-duration:.6s}
    @keyframes page-pattern-drift{from{transform:translateY(0)}to{transform:translateY(-48px)}}
    .page-loading body::before,.drawing-focused body::before{display:none}
  }
}
@media(forced-colors:active){:root{background:Canvas}body::before{display:none}}
.site-header{border-bottom:3px solid transparent;background:#e7d9f5}
.brand{color:#4a147b;text-shadow:1px 1px #fff;text-decoration:none;text-underline-offset:4px}
@supports ((background-clip:text) or (-webkit-background-clip:text)){
  .brand{background-image:linear-gradient(110deg,#4a147b 10%,#743d91 55%,#a43f68 100%);background-clip:text;-webkit-background-clip:text;color:transparent;-webkit-text-fill-color:transparent;text-shadow:none;text-decoration-color:#74458d}
}
@media(forced-colors:active){.brand{background-image:none;color:LinkText;-webkit-text-fill-color:LinkText;text-decoration-color:LinkText}}
.intro h1{color:#4a147b;text-shadow:2px 2px #fff}
.studio{background:#d5d0d9;border:3px solid;border-color:#fff #675c72 #675c72 #fff;border-radius:0;box-shadow:2px 2px 0 #362740;overflow:visible}
.studio-top{background:#663399;color:#fff;border-bottom:2px solid #362740;height:43px}
.studio-title{color:#fff;font-weight:700}
.save-status{color:#f2e4ff}
.canvas-frame{border:3px solid;border-color:#6c6079 #b8b8b8 #b8b8b8 #6c6079;border-radius:0;box-shadow:0 0 0 1px #a296ad}
.section-label h2,.history-label{color:#32124f;text-shadow:1px 1px #fff}
.tool-button,.tool-switch .tool-button,.sizes button,.brush-styles button,.history-actions button,.download-button{
  background:#ded9e4;color:#271438;border:3px solid;border-color:#fff #74657f #74657f #fff;border-radius:0;box-shadow:1px 1px 0 #403249;transition:none
}
.tool-button.selected,.sizes button.selected,.brush-styles button.selected{
  background:#d6b7f0;color:#32124f;border-color:#715884 #fff #fff #715884;box-shadow:none
}
.tool-button:not(:disabled):active,.sizes button:not(:disabled):active,.brush-styles button:not(:disabled):active,.history-actions button:not(:disabled):active,.download-button:not(:disabled):active{
  transform:none;border-color:#715884 #fff #fff #715884;box-shadow:none
}
.tool-button:not(.selected):hover,.sizes button:not(.selected):hover,.brush-styles button:not(.selected):hover,.history-actions button:not(:disabled):hover{background:#e9def4}
.history-actions{border-top:0}
.history-actions button:disabled{opacity:1;color:#968b9e;text-shadow:1px 1px #fff;background:#d5d0d9}
.history-actions button:last-child{color:#782747}
.history-actions button:last-child:disabled{color:#968b9e}
.download-button{background:#c8e5b5;color:#244019;font-weight:700;box-shadow:1px 1px 0 #403249}
.download-button:hover{background:#d7efc7}
/* Desktop color picker: complete component styling, without a prior skin. */
.color-picker{position:relative}
.color-picker summary{
  display:flex;align-items:center;gap:10px;min-height:46px;padding:7px 10px;
  background:#f8f4fc;color:#271438;border:3px solid;border-color:#74657f #fff #fff #74657f;
  border-radius:0;box-shadow:1px 1px 0 #403249;transition:none;
  cursor:pointer;list-style:none;font-size:14px
}
.color-picker summary::-webkit-details-marker{display:none}
.color-picker summary:focus-visible{outline:3px solid #9477da;outline-offset:3px}
.selected-color-chip{width:26px;height:26px;flex-shrink:0;border:2px solid;border-color:#74657f #fff #fff #74657f}
.picker-arrow{margin-left:auto;background:#ded9e4;border:2px solid;border-color:#fff #74657f #74657f #fff;padding:0 5px;line-height:22px;color:#271438}
.color-picker[open] .picker-arrow{transform:none;border-color:#74657f #fff #fff #74657f}
.color-picker .palette{
  position:absolute;top:calc(100% + 6px);right:0;width:280px;max-width:calc(100vw - 64px);padding:12px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;
  max-height:min(330px,45vh);overflow-y:auto;overscroll-behavior:contain;
  background:#d5d0d9;border:3px solid;border-color:#fff #74657f #74657f #fff;
  box-shadow:2px 2px 0 #403249;border-radius:0;z-index:5
}
.color-picker .palette .swatch{height:44px;min-height:44px}
.color-picker .swatch{border:2px solid;border-color:#ffffffa6 #00000066 #00000066 #ffffffa6;border-radius:0}
.color-picker .swatch.selected{outline:2px dotted #32124f;outline-offset:2px}
.background-section .color-picker .palette{top:auto;bottom:calc(100% + 6px)}
@media(max-width:760px){
  .color-picker .palette{width:260px}
  .toolbox>.tool-section:nth-child(2) .palette{left:0;right:auto}
  .toolbox>.background-section .palette{left:auto;right:0;top:calc(100% + 6px);bottom:auto}
}
.toast{background:#ffffcc;border:3px solid;border-color:#fff #74657f #74657f #fff;border-radius:0;box-shadow:2px 2px 0 #403249;color:#271438}
button:focus-visible,summary:focus-visible,a:focus-visible{outline:2px dotted #32124f;outline-offset:3px}
@media(max-width:760px){.history-actions{border:0}.studio-top{padding:0 10px}.save-status{font-size:9px}}