:root{
  --global-font-size:17px;--content-max-width:1400px;--global-font-family:"-apple-system-body","ui-sans-serif","-apple-system","system-ui","Segoe UI","Helvetica","Apple Color Emoji","Arial","sans-serif","Segoe UI Emoji","Segoe UI Symbol";
  --bg:#f4f4f5;--panel:#fff;--ink:#18181b;--muted:#71717a;--line:#e4e4e7;
  --soft:#fafafa;--black:#09090b;--green:#059669;--amber:#b45309;--rose:#e11d48;
  --radius:16px;--radius-lg:24px;--shadow:0 1px 2px rgba(0,0,0,.05);--shadow-xl:0 18px 40px rgba(0,0,0,.10)
}
*{box-sizing:border-box}html{font-size:var(--global-font-size);scroll-behavior:smooth}body{margin:0;font-family:var(--global-font-family);background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}strong{font-weight:700}.hidden{display:none!important}
.site-header{position:sticky;top:0;z-index:30;background:rgba(9,9,11,.96);backdrop-filter:blur(12px);border-bottom:1px solid #27272a;color:#fff}.site-header-inner{max-width:var(--content-max-width);margin:auto;height:64px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-block{display:block;color:inherit;text-decoration:none;border-radius:8px}.brand-block:focus-visible{outline:2px solid #fff;outline-offset:5px}.brand-block h1{margin:0;font-size:1.9rem;line-height:1;font-weight:700;letter-spacing:.1rem}.brand-block p{margin:4px 0 0;color:#a1a1aa;font-size:.75rem;text-align:center}.header-actions{display:flex;align-items:center;gap:10px}.header-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:8px;border:1px solid #3f3f46;background:#18181b;color:#d4d4d8;text-decoration:none;font-size:.75rem;font-weight:700;transition:.15s}.header-btn:hover{background:#27272a;color:#fff}.header-btn .icon{font-size:.875rem;line-height:1}
.workspace{max-width:var(--content-max-width);margin:auto;padding:24px 24px 48px}.hero-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch}.intro-card{min-height:300px;border:1px solid rgba(228,228,231,.75);border-radius:24px;padding:16px;background:rgba(244,244,245,.72);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.eyebrow-pill{display:inline-block;font-size:.625rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#71717a;background:rgba(255,255,255,.72);border:1px solid rgba(228,228,231,.8);padding:2px 8px;border-radius:999px;margin-bottom:7px}.intro-card h2{margin:0;font-size:1.2rem;line-height:1.35;font-weight:700;color:#3f3f46}.intro-card p{font-size:.7rem;color:#71717a;line-height:1.45;margin:5px 0 0}.intro-card p strong{color:#3f3f46}.intro-card-bottom{padding-top:10px;border-top:1px solid rgba(228,228,231,.65)}.intro-mini-list{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.intro-mini-list span{font-size:.65625rem;color:#71717a;background:rgba(255,255,255,.64);border:1px solid rgba(228,228,231,.65);padding:2px 8px;border-radius:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.about-btn{display:flex;align-items:center;justify-content:center;gap:6px;background:#09090b;color:#fff;text-decoration:none;border-radius:12px;padding:7px 12px;font-size:.75rem;font-weight:700}.about-btn:hover{background:#27272a}
.logo-uploader-card{min-height:300px;border:1px solid #e4e4e7;background:#fff;border-radius:24px;box-shadow:var(--shadow-xl);overflow:hidden;display:flex;flex-direction:column}.logo-stage-column{flex:1;min-width:0;min-height:200px;padding:12px;border-bottom:1px solid #e4e4e7;display:flex}.logo-preview-mode{display:flex;flex-direction:column;width:100%;min-height:0}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:8px}.preview-title{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#3f3f46}.mini-pill{font-size:.625rem;text-transform:lowercase;background:#f4f4f5;border:1px solid #d4d4d8;border-radius:999px;padding:2px 8px}.toolbar-actions{display:flex;gap:6px}.small-btn,.mini-btn{border:1px solid #e4e4e7;background:#f4f4f5;color:#3f3f46;border-radius:8px;padding:5px 9px;font-size:.6875rem;font-weight:650;transition:.15s}.small-btn:hover,.mini-btn:hover{background:#e4e4e7}.small-btn.active,.mini-btn.active{background:#09090b;color:#fff;border-color:#09090b}.highlight-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:7px 8px;margin-bottom:8px;border:1px solid #e4e4e7;border-radius:12px;background:#fafafa}.highlight-info{display:flex;align-items:center;gap:7px;font-size:.6875rem;font-weight:600}.highlight-dot{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.2)}.highlight-modes{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.highlight-mode{font-size:.625rem;font-weight:700;padding:3px 8px;border-radius:6px;border:1px solid #e4e4e7;background:#fff;color:#3f3f46}.highlight-mode.active{background:#09090b;color:#fff;border-color:#09090b}.highlight-off{font-size:.625rem;font-weight:800;color:#e11d48;background:#fff1f2;border:1px solid #fecdd3;border-radius:6px;padding:3px 7px}.logo-canvas{position:relative;flex:1;min-height:140px;border:1px solid #e4e4e7;border-radius:12px;padding:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff}.checkerboard{background-color:#fafafa;background-image:radial-gradient(#e4e4e7 1px,transparent 1px);background-size:12px 12px}.logo-canvas img,.logo-canvas canvas{max-width:100%;max-height:180px;object-fit:contain;user-select:none}.empty-logo{font-size:.75rem;color:#a1a1aa;display:flex;flex-direction:column;align-items:center;gap:4px}.empty-logo-icon{font-size:1.75rem;opacity:.45}.processing{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.75rem}.spinner{width:24px;height:24px;border:2px solid #e4e4e7;border-top-color:#09090b;border-radius:50%;animation:spin .8s linear infinite}.eyedropper-badge{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.96);border:1px solid #d4d4d8;border-radius:8px;padding:3px 8px;box-shadow:0 4px 12px rgba(0,0,0,.1);font-size:.6875rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:800}.drag-overlay{position:absolute;inset:0;z-index:5;background:rgba(9,9,11,.82);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border-radius:12px}.drag-overlay span{font-size:1.875rem}.dropzone{position:relative;width:100%;height:100%;min-height:270px;border:2px dashed #d4d4d8;border-radius:16px;background:rgba(250,250,250,.65);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;cursor:pointer}.dropzone:hover,.dropzone.dragging{border-color:#09090b;background:#f4f4f5}.dropzone-icon{width:48px;height:48px;border-radius:50%;background:#f4f4f5;display:flex;align-items:center;justify-content:center;font-size:1.375rem;margin-bottom:12px}.dropzone p{margin:0;color:#3f3f46;font-size:.875rem;font-weight:700}.dropzone>span{font-size:.75rem;color:#a1a1aa;margin-top:4px}.dropzone-close{position:absolute;right:10px;top:10px;background:#fff}.logo-controls-column{flex:0 0 310px;background:rgba(250,250,250,.72);padding:12px;display:flex;flex-direction:column;justify-content:space-between;gap:8px}.control-top{display:flex;flex-direction:column;gap:8px}.control-top strong{font-size:.6875rem;text-transform:uppercase;letter-spacing:.06em;color:#3f3f46}.control-top p{margin:1px 0 0;font-size:.625rem;color:#71717a}.upload-beam-wrap{position:relative;padding:2px;border-radius:12px;background:#BE3455;overflow:hidden;box-shadow:0 2px 7px rgba(190,52,85,.25)}.upload-beam-wrap:before{content:"";position:absolute;inset:-200%;background:conic-gradient(transparent 0 200deg,rgba(255,255,255,.95) 280deg,#ffb3c1 320deg,transparent 360deg);animation:spin 4s linear infinite}.upload-main-btn{position:relative;z-index:1;width:100%;border:0;border-radius:10px;padding:9px 12px;background:#BE3455;color:#fff;font-size:.8125rem;font-weight:800;letter-spacing:.02em}.upload-main-btn:hover{filter:brightness(1.08)}.sample-label{display:block;font-size:.65625rem;font-weight:650;color:#71717a;margin-bottom:4px}.sample-grid{display:flex;flex-wrap:wrap;align-items:center;gap:4px}.btn-sample{flex:0 0 auto;width:auto;max-width:100%;border:1px solid #e4e4e7;background:#fff;color:#3f3f46;border-radius:6px;padding:3px 6px;text-align:center;font-size:.6875rem;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn-sample:hover{background:#f4f4f5}.btn-sample.active{background:#09090b;color:#fff;border-color:#09090b;font-weight:750}.extract-controls{padding-top:6px;border-top:1px solid #e4e4e7;font-size:.6875rem;color:#52525b;display:flex;flex-direction:column;gap:5px}.extract-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.extract-row label,.check-row{font-weight:600;color:#3f3f46}.extract-row select{border:1px solid #e4e4e7;border-radius:6px;background:#fff;padding:3px 6px;font-size:.6875rem;font-weight:650}.check-row{display:flex;gap:6px;align-items:center;cursor:pointer}.check-row input{width:14px;height:14px}
.tab-nav{position:sticky;top:8px;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border:1px solid rgba(228,228,231,.9);border-radius:16px;padding:7px;margin:32px 0;box-shadow:var(--shadow)}.tab-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.tab-btn{border:1px solid rgba(228,228,231,.8);background:#fafafa;color:#3f3f46;border-radius:12px;padding:9px 8px;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:flex-start;gap:8px;min-width:0;transition:.15s}.tab-btn:hover{background:#f4f4f5;color:#09090b}.tab-btn.active{background:#09090b;color:#fff;border-color:#09090b;box-shadow:0 1px 3px rgba(0,0,0,.16)}.tab-icon{font-size:1rem;width:18px;text-align:center}.tab-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tab-count-badge{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;min-width:18px;height:18px;padding:0 5px;border-radius:999px;border:1px solid #d4d4d8;background:#fff;color:#52525b;font-size:.58rem;font-weight:900;line-height:1;font-variant-numeric:tabular-nums}.tab-btn.active .tab-count-badge{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.14);color:#fff}.tab-count-badge.is-empty{color:#a1a1aa}.tab-btn.active .tab-count-badge.is-empty{color:rgba(255,255,255,.72)}.tab-panel{display:none;animation:fadeIn .18s ease}.tab-panel.active{display:block}.empty-panel{background:#fff;border:1px solid #e4e4e7;border-radius:24px;padding:32px;text-align:center;color:#71717a}
.section-card{background:#fff;border:1px solid #e4e4e7;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}.section-card+.section-card{margin-top:20px}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}.section-head h2{font-size:1.125rem;line-height:1.2;margin:0;color:#18181b;letter-spacing:-.02em}.section-head h3{font-size:1rem;margin:0}.section-head p{font-size:.75rem;color:#71717a;margin:4px 0 0;max-width:880px}.count-pill,.status-pill{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:2px 8px;font-size:.6875rem;font-weight:700;background:#f4f4f5;color:#3f3f46;border:1px solid #e4e4e7}.status-pill.good{background:#ecfdf5;color:#047857;border-color:#a7f3d0}.status-pill.warn{background:#fffbeb;color:#b45309;border-color:#fde68a}.status-pill.bad{background:#fff1f2;color:#be123c;border-color:#fecdd3}.section-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.segmented{display:inline-flex;background:#f4f4f5;border:1px solid #e4e4e7;border-radius:9px;padding:2px}.segmented button{border:0;background:transparent;color:#52525b;border-radius:7px;padding:5px 9px;font-size:.6875rem;font-weight:700}.segmented button.active{background:#fff;color:#09090b;box-shadow:0 1px 2px rgba(0,0,0,.06)}.light-btn,.dark-btn{border-radius:9px;padding:7px 11px;font-size:.75rem;font-weight:750;border:1px solid #e4e4e7}.light-btn{background:#f4f4f5;color:#27272a}.light-btn:hover{background:#e4e4e7}.dark-btn{background:#09090b;color:#fff;border-color:#09090b}.dark-btn:hover{background:#27272a}.hint-banner{padding:10px 12px;background:#fafafa;border:1px solid #e4e4e7;border-radius:12px;font-size:.75rem;color:#3f3f46;margin-bottom:14px}.undo-banner{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;background:#18181b;color:#fff;border-radius:12px;font-size:.75rem;margin-bottom:14px}
.palette-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:10px}.palette-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.palette-card{border:1px solid #e4e4e7;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.03)}.palette-card.primary{box-shadow:0 0 0 2px #09090b}.icon-btn{border:0;background:transparent;color:#a1a1aa;padding:3px;border-radius:6px}.icon-btn:hover{background:#fff1f2;color:#e11d48}.primary-action{margin-top:4px;border:0;background:transparent;padding:0;color:#71717a;font-size:.6875rem}.primary-action:hover{color:#09090b;text-decoration:underline}.primary-label{display:inline-flex;align-items:center;gap:4px;background:#e4e4e7;color:#09090b;border-radius:6px;padding:2px 7px;font-size:.625rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;margin-top:5px}.suspect{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:9px;padding:5px 7px;border:1px solid #fde68a;background:#fffbeb;color:#92400e;border-radius:8px;font-size:.65625rem}.suspect button{border:0;background:transparent;color:#be123c;font-size:.65625rem;font-weight:800;text-decoration:underline}.code-matrix{display:grid;gap:5px;margin-top:10px;padding-top:9px;border-top:1px solid #f4f4f5}.code-row{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fafafa;border-radius:8px;padding:5px 8px;font-size:.6875rem}.code-row label{font-size:.65625rem;font-weight:700;color:#71717a}.code-row .code-val{display:flex;align-items:center;gap:5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#27272a}.copy-mini{border:0;background:transparent;color:#a1a1aa;font-size:.625rem;padding:2px}.copy-mini:hover{color:#09090b}.palette-bottom{margin-top:9px;padding-top:9px;border-top:1px solid #f4f4f5}.luminance-line{display:flex;justify-content:space-between;font-size:.65625rem;color:#71717a;margin-bottom:7px}.highlight-btn{width:100%;border:0;border-radius:8px;padding:6px 8px;font-size:.6875rem;font-weight:700;background:#f4f4f5;color:#27272a}.highlight-btn:hover{background:#e4e4e7}.highlight-btn.active{background:#09090b;color:#fff;box-shadow:0 0 0 2px #a1a1aa}
.target-bar{border:1px solid #e4e4e7;background:#fafafa;border-radius:14px;padding:12px;margin-bottom:14px}.target-bar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:8px}.target-chip-list{display:flex;gap:6px;flex-wrap:wrap}.color-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid #e4e4e7;background:#fff;color:#3f3f46;border-radius:9px;padding:5px 8px;font-size:.6875rem;font-weight:700}.color-chip.active{background:#09090b;color:#fff;border-color:#09090b}.color-dot{width:14px;height:14px;border-radius:4px;border:1px solid rgba(0,0,0,.16);flex:0 0 auto}.metric{font-size:.65625rem;color:#52525b;background:#fff;border:1px solid #e4e4e7;padding:3px 6px;border-radius:6px}
.filter-tabs{display:flex;gap:5px;flex-wrap:wrap}.filter-tab{border:1px solid #e4e4e7;background:#fafafa;color:#52525b;border-radius:8px;padding:5px 8px;font-size:.65625rem;font-weight:700}.filter-tab.active{background:#09090b;color:#fff;border-color:#09090b}.standards-guide{margin-top:18px;border:1px solid #e4e4e7;border-radius:14px;background:#fafafa;padding:12px}.standards-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:8px}.standard-note{background:#fff;border:1px solid #e4e4e7;border-radius:10px;padding:9px}.standard-note strong{font-size:.6875rem}.standard-note p{font-size:.625rem;color:#71717a;margin:3px 0 0}
.harmony-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:14px}.harmony-tab{border:1px solid #e4e4e7;background:#fafafa;color:#52525b;border-radius:9px;padding:6px 9px;font-size:.6875rem;font-weight:700}.harmony-tab.active{background:#09090b;color:#fff;border-color:#09090b}.harmony-banner{border:1px solid #e4e4e7;background:#fafafa;border-radius:12px;padding:11px;margin-bottom:10px}.harmony-banner h3{font-size:.875rem;margin:0}.harmony-banner p{font-size:.6875rem;color:#71717a;margin:4px 0 0}.harmony-colors{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:8px}.harmony-color-card{border:1px solid #e4e4e7;border-radius:12px;overflow:hidden}.harmony-swatch{height:92px;padding:8px;display:flex;flex-direction:column;justify-content:space-between}.harmony-info{padding:8px}.harmony-info h4{margin:0;font-size:.75rem}.harmony-info p{font-size:.625rem;color:#71717a;margin:3px 0}.ratio-card{margin-top:12px;border:1px solid #e4e4e7;border-radius:12px;padding:10px}.ratio-bar{display:flex;height:24px;border-radius:8px;overflow:hidden;margin-top:7px}.ratio-bar span:nth-child(1){flex:6}.ratio-bar span:nth-child(2){flex:3}.ratio-bar span:nth-child(3){flex:1}.cta-showcase{margin-top:14px;border:1px solid #e4e4e7;border-radius:14px;padding:12px}.wcag-cards{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}.wcag-mini{border:1px solid #e4e4e7;background:#fff;border-radius:9px;padding:8px;text-align:center}.wcag-mini strong{display:block;font-size:.75rem}.wcag-mini span{font-size:.59375rem;color:#71717a}.text-color-list{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:7px;margin-top:8px}

.site-footer{background:#fff;border-top:1px solid #e4e4e7;padding:24px 0;color:#71717a;font-size:.75rem}.footer-inner{max-width:var(--content-max-width);margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:10px}.footer-inner div{display:flex;align-items:center;gap:14px}.footer-inner button{border:0;background:transparent;color:#71717a;font-size:.75rem}.footer-inner button:hover{color:#09090b}.modal-backdrop{position:fixed;inset:0;z-index:80;background:rgba(9,9,11,.62);backdrop-filter:blur(2px)}.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:18px}.modal-card{width:min(760px,100%);max-height:86vh;background:#fff;border:1px solid #e4e4e7;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.28);display:flex;flex-direction:column;overflow:hidden}.modal-head{padding:14px 16px;border-bottom:1px solid #e4e4e7;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.modal-head h3{margin:0;font-size:1rem}.modal-head p{margin:2px 0 0;font-size:.6875rem;color:#71717a}.modal-close{border:0;background:#f4f4f5;color:#52525b;width:30px;height:30px;border-radius:8px;font-size:1.25rem;line-height:1}.modal-body{padding:15px 16px;overflow:auto}.modal-foot{padding:12px 16px;border-top:1px solid #e4e4e7;display:flex;justify-content:flex-end;gap:8px}.guide-content{display:grid;gap:10px}.guide-content article{border:1px solid #e4e4e7;background:#fafafa;border-radius:11px;padding:10px}.guide-content h4{margin:0 0 6px;font-size:.75rem}.guide-content p{margin:4px 0;font-size:.6875rem;color:#52525b}.guide-content .danger{color:#be123c}.toast-msg{position:fixed;right:24px;bottom:24px;z-index:110;background:#09090b;color:#fff;border-radius:11px;padding:10px 14px;font-size:.75rem;font-weight:700;box-shadow:0 15px 35px rgba(0,0,0,.25);opacity:0;transform:translateY(14px);pointer-events:none;transition:.18s}.toast-msg.show{opacity:1;transform:translateY(0)}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
@media(min-width:640px){.palette-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.palette-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.standards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.harmony-colors{grid-template-columns:repeat(2,minmax(0,1fr))}.text-color-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:768px){.standards-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.harmony-colors{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){.tab-name{display:none}.tab-count-badge{display:none}.tab-btn{justify-content:center;padding:9px 4px}.footer-inner{flex-direction:column;text-align:center}.brand-block p{display:none}}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 3fr}.logo-uploader-card{height:300px;flex-direction:row}.logo-stage-column{border-bottom:0;border-right:1px solid #e4e4e7;min-height:0}.logo-controls-column{flex-basis:400px}.palette-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.palette-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr))}.harmony-colors{grid-template-columns:repeat(5,minmax(0,1fr))}.text-color-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:639px){.site-header-inner,.workspace,.footer-inner{padding-left:14px;padding-right:14px}.hide-mobile{display:none}.intro-card{min-height:230px}.logo-uploader-card{min-height:0}.logo-stage-column{min-height:150px;padding:10px}.logo-canvas{min-height:96px;padding:8px}.logo-canvas img,.logo-canvas canvas{max-height:96px}.preview-toolbar{margin-bottom:6px}.dropzone{min-height:140px;padding:16px}.logo-controls-column{flex-basis:auto}.section-head h2{font-size:1rem}.palette-grid.compact{grid-template-columns:1fr}.tab-nav{margin:20px 0}}
/* React parity: ColorPaletteSection */
.palette-grid.compact,.palette-grid.expanded{grid-template-columns:repeat(1,minmax(0,1fr));gap:10px}.palette-card.compact,.palette-card.expanded{padding:10px;border-radius:12px;overflow:visible;display:flex;flex-direction:column;justify-content:space-between;transition:.18s}.palette-card.expanded{padding:16px}.palette-card.highlighted{border-color:#09090b;background:#fafafa;box-shadow:0 0 0 2px rgba(9,9,11,.18)}.compact-card-head,.expanded-card-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}.expanded-card-head{align-items:flex-start;margin-bottom:12px}.compact-swatch,.expanded-swatch{border:1px solid rgba(0,0,0,.1);box-shadow:inset 0 1px 3px rgba(0,0,0,.08);display:flex;align-items:center;justify-content:center;color:transparent;transition:.15s;flex:0 0 auto}.compact-swatch{width:36px;height:36px;border-radius:8px}.expanded-swatch{width:56px;height:56px;border-radius:12px}.compact-swatch:hover,.expanded-swatch:hover{transform:scale(1.05);color:#fff}.compact-swatch span,.expanded-swatch span{background:rgba(0,0,0,.35);border-radius:6px;padding:2px 4px;opacity:0}.compact-swatch:hover span,.expanded-swatch:hover span{opacity:1}.compact-title,.expanded-title{flex:1;min-width:0}.compact-name-row{display:flex;align-items:center;gap:5px;min-width:0}.compact-name-row>strong{font-size:.75rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.compact-name-row>span{font-size:.625rem;font-weight:700;color:#52525b;background:#f4f4f5;padding:1px 5px;border-radius:5px}.compact-subrow{display:flex;align-items:center;justify-content:space-between;gap:5px;margin-top:2px}.compact-subrow code,.expanded-title>code{font-size:.625rem;color:#52525b;font-weight:650}.compact-primary{font-size:.5625rem;font-weight:800;background:#e4e4e7;color:#09090b;padding:1px 4px;border-radius:4px}.compact-suspect{margin:0 0 7px;padding:2px 6px;font-size:.625rem}.compact-code-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:8px}.compact-code{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:4px;border:1px solid #e4e4e7;background:#fafafa;border-radius:6px;padding:4px 6px;min-width:0;text-align:left}.compact-code:hover{background:#f4f4f5}.compact-code span{font-size:.5625rem;font-weight:800;color:#a1a1aa}.compact-code strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.59375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:right;color:#3f3f46}.compact-code i{font-style:normal;font-size:.5625rem;color:#a1a1aa}.compact-highlight{padding:5px 7px;font-size:.65625rem}.expanded-title .compact-name-row>strong{font-size:.875rem}.expanded-title .primary-action{margin-top:4px}.palette-ratio{margin:0 0 20px}.palette-ratio-head{display:flex;justify-content:space-between;gap:12px;font-size:.6875rem;color:#71717a;font-weight:550;margin-bottom:6px}.palette-ratio-track{height:20px;width:100%;border-radius:999px;overflow:hidden;display:flex;gap:2px;background:#f4f4f5;border:1px solid #e4e4e7;padding:2px}.palette-ratio-segment{height:100%;border:0;padding:0;min-width:0;border-radius:2px;transition:.15s}.palette-ratio-segment:hover{opacity:.84}.palette-ratio-segment.active{box-shadow:0 0 0 2px #09090b,0 0 0 3px #fff;transform:scaleY(1.15);z-index:2}.restore-btn{border:1px solid #fde68a;background:#fffbeb;color:#92400e;border-radius:9px;padding:7px 11px;font-size:.75rem;font-weight:750}.undo-btn{border:0;background:rgba(255,255,255,.2);color:#fff;border-radius:8px;padding:5px 9px;font-size:.6875rem;font-weight:800}.cancel-btn{border:0;background:transparent;color:#52525b;font-size:.6875rem;font-weight:650;padding:7px 9px}.palette-empty{padding:44px 16px;text-align:center;border:2px dashed #e4e4e7;border-radius:16px;background:rgba(250,250,250,.6)}.palette-empty-icon{font-size:2.125rem;color:#a1a1aa}.palette-empty h3{font-size:.875rem;margin:8px 0 4px}.palette-empty>div:last-child{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
@media(min-width:640px){.palette-grid.compact,.palette-grid.expanded{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:768px){.palette-grid.compact,.palette-grid.expanded{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1024px){.palette-grid.compact,.palette-grid.expanded{grid-template-columns:repeat(4,minmax(0,1fr))}}
/* React parity: modal shells */
.modal-card{width:min(672px,100%);max-height:90vh;border-radius:16px}.modal-head-soft{padding:16px 24px;background:rgba(248,250,252,.8);border-bottom-color:#f1f5f9}.modal-title-with-icon{display:flex;align-items:center;gap:10px}.modal-title-icon{width:32px;height:32px;border-radius:8px;background:#dbeafe;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-weight:800}.modal-body{padding:24px}.guide-content{gap:24px;font-size:.75rem;color:#334155}.guide-content article{border-color:#e2e8f0;background:rgba(248,250,252,.5);padding:16px;border-radius:12px}.guide-content h4{font-size:.875rem;color:#0f172a;margin-bottom:8px}.guide-content p,.guide-content li{font-size:.75rem;color:#475569;line-height:1.65}.guide-content ul{padding-left:18px;margin:8px 0 0;display:grid;gap:6px}.modal-foot-soft{padding:14px 24px;background:#f8fafc;border-top-color:#f1f5f9}
/* Shared target selector */
.target-stack{display:flex;align-items:center;padding-left:4px}.target-stack-swatch{width:30px;height:30px;border-radius:10px;border:2px solid #fff;box-shadow:0 1px 2px rgba(0,0,0,.08);margin-left:-6px}.target-stack-swatch:first-child{margin-left:0}.target-quick{display:flex;gap:6px}
/* React component parity refinements */
.title-with-badge{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.title-with-badge h2,.title-with-badge h3,.title-with-badge h4{margin:0}.target-preview-pill{display:inline-flex;align-items:center;gap:7px;background:#fafafa;border:1px solid #e4e4e7;border-radius:12px;padding:7px 10px;font-size:.6875rem;color:#71717a}.target-preview-pill strong{color:#18181b}.target-preview-pill code{font-size:.625rem}.target-help{font-size:.65625rem;color:#71717a}.standards-filter{margin:16px 0 0}.filter-title-row,.guide-matrix-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.6875rem;margin-bottom:8px}.filter-title-row span,.guide-matrix-head span{color:#71717a;font-size:.65625rem}.formula-tabs{background:#f4f4f5;border-radius:12px;padding:4px;flex-wrap:nowrap;overflow-x:auto}.formula-tabs .filter-tab{border:0;background:transparent;white-space:nowrap}.formula-tabs .filter-tab.active{background:#09090b}.category-tabs{margin-top:10px;align-items:center;overflow-x:auto;flex-wrap:nowrap}.category-tabs>span{font-size:.65625rem;color:#71717a;white-space:nowrap}.category-tabs .filter-tab{white-space:nowrap;border:0;background:#f4f4f5}.category-tabs .filter-tab.active{background:#09090b}.guide-matrix-head{border-bottom:1px solid #e4e4e7;padding-bottom:9px}.guide-matrix-head strong{font-size:.75rem}.standard-note p{line-height:1.45;color:#52525b}
.harmony-color-card.selected{border-color:#09090b;box-shadow:0 0 0 2px rgba(0,0,0,.08)}.harmony-swatch{position:relative;align-items:center;justify-content:center;cursor:pointer}.swatch-copy{opacity:0;background:rgba(0,0,0,.55);color:#fff;padding:4px 7px;border-radius:6px;font-size:.625rem;transition:.15s}.harmony-swatch:hover .swatch-copy{opacity:1}.swatch-pill{position:absolute;top:7px;background:rgba(0,0,0,.72);color:#fff;border-radius:999px;padding:2px 6px;font-size:.53125rem;font-weight:800}.swatch-pill.left{left:7px}.swatch-pill.right{right:7px}.harmony-name-row{display:flex;align-items:center;justify-content:space-between;gap:6px}.harmony-name-row code{font-size:.625rem;color:#52525b}.brand-role{background:#fafafa;border:1px solid #e4e4e7;border-radius:8px;padding:6px;margin-top:7px}.brand-role>span{display:flex;justify-content:space-between;font-size:.59375rem;color:#71717a}.brand-role p{margin:2px 0 0}.harmony-accent-btn{width:100%;margin-top:8px;border:0;background:#f4f4f5;border-radius:7px;padding:5px 7px;font-size:.625rem;font-weight:700}.harmony-accent-btn.active{background:#09090b;color:#fff}.harmony-banner-title{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.harmony-banner-title span{font-size:.625rem;font-style:italic;background:#fff;border:1px solid #e4e4e7;border-radius:7px;padding:3px 6px;color:#71717a}.ratio-card-react{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:#fafafa}.ratio-copy{display:flex;align-items:center;gap:10px;flex:1;min-width:260px}.ratio-copy>strong{width:48px;height:48px;border-radius:12px;background:#18181b;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.625rem}.ratio-copy h4{margin:0;font-size:.6875rem}.ratio-copy p{margin:3px 0 0;font-size:.625rem;color:#71717a}.ratio-bar.labeled{width:min(100%,300px);height:28px;margin:0;border:1px solid #d4d4d8}.ratio-bar.labeled span{display:flex;align-items:center;justify-content:center;color:#fff;font-size:.5625rem;font-weight:900;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.cta-showcase{padding:0;border:0;border-top:1px solid #e4e4e7;border-radius:0}.cta-showcase-head{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:start;background:#fafafa;border:1px solid #e4e4e7;border-radius:12px;padding:12px;margin-top:16px}.cta-title-icon{width:36px;height:36px;border-radius:10px;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}.cta-title-copy h3{font-size:.8125rem}.cta-title-copy p{font-size:.65625rem;color:#52525b;margin:5px 0 0}.cta-label-switch,.text-filter{display:flex;align-items:center;gap:4px;background:#fff;border:1px solid #e4e4e7;border-radius:8px;padding:3px;font-size:.625rem}.cta-label-switch>span{color:#71717a;font-weight:700;padding:0 3px;white-space:nowrap}.cta-label-switch button,.text-filter button{border:0;background:transparent;border-radius:5px;padding:4px 6px;font-size:.59375rem;color:#52525b}.cta-label-switch button.active,.text-filter button.active{background:#09090b;color:#fff;font-weight:800}.white-button-eval{display:grid;grid-template-columns:1fr 1fr;gap:14px;border:1px solid #e4e4e7;border-radius:12px;padding:12px;margin-top:14px}.white-btn-demo{display:flex;flex-direction:column;gap:9px;justify-content:center}.number-title{display:flex;align-items:center;gap:7px;font-size:.6875rem}.number-title>span{width:20px;height:20px;border-radius:50%;background:#09090b;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.5625rem;font-weight:800}.cta-main-button{width:max-content;max-width:100%;border:0;border-radius:10px;padding:9px 18px;font-size:.6875rem;font-weight:800}.white-btn-demo small{font-size:.59375rem;color:#a1a1aa}.wcag-evaluation{background:#fafafa;border:1px solid #e4e4e7;border-radius:10px;padding:10px}.wcag-eval-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.65625rem}.wcag-eval-title code{background:#fff;border:1px solid #e4e4e7;border-radius:5px;padding:2px 5px}.wcag-mini{display:flex;flex-direction:column;gap:3px;text-align:left}.wcag-mini span{font-size:.5625rem;font-weight:900}.wcag-mini small{font-size:.53125rem;color:#71717a}.wcag-mini.pass{box-shadow:inset 0 0 0 1px #a7f3d0}.wcag-mini.fail{box-shadow:inset 0 0 0 1px #fecdd3}.cta-diagnostic{font-size:.59375rem;line-height:1.4;color:#52525b;border-top:1px solid #e4e4e7;padding-top:7px;margin:7px 0 0}.accessible-text-section{margin-top:16px}.accessible-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap}.accessible-head h4{font-size:.6875rem}.accessible-head p{font-size:.59375rem;color:#71717a;margin:3px 0}.text-color-list{grid-template-columns:repeat(2,minmax(0,1fr))}.text-color-card{border:1px solid #e4e4e7;border-radius:9px;padding:7px;display:flex;flex-direction:column;gap:5px}.text-preview-button{border:0;border-radius:6px;padding:6px;font-size:.59375rem;font-weight:400}.text-color-card>div{display:flex;align-items:center;justify-content:space-between;gap:5px;font-size:.59375rem}.text-color-card b{font-size:.53125rem;background:#f4f4f5;padding:2px 4px;border-radius:4px}.text-color-card small{color:#a1a1aa}.text-color-card button:not(.text-preview-button){border:0;background:none;padding:0;color:#52525b;font-size:.5625rem}

@media(min-width:640px){.text-color-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1024px){.text-color-list{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media(max-width:767px){.white-button-eval{grid-template-columns:1fr}.cta-showcase-head{grid-template-columns:auto 1fr}.cta-label-switch{grid-column:1/-1;width:max-content;max-width:100%;overflow-x:auto}.ratio-card-react{align-items:stretch}.ratio-bar.labeled{width:100%}}
@media(max-width:639px){.bg-main-head .target-preview-pill{width:100%}.formula-tabs,.category-tabs{margin-left:-2px;margin-right:-2px}.text-color-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* Final React layout parity refinements */






@media(min-width:640px){.tab-name{display:inline-block}}
@media(max-width:639px){.tab-name{display:none}}

/* Multilingual locale switcher */
.language-switcher{position:relative;height:34px;margin:0}
.language-switcher summary{list-style:none;display:flex;align-items:center;gap:6px;height:34px;padding:0 10px;border:1px solid #e4e4e7;border-radius:8px;background:#fff;font-size:.6875rem;font-weight:800;color:#52525b;white-space:nowrap;cursor:pointer;user-select:none}
.language-switcher summary::-webkit-details-marker{display:none}
.language-switcher[open] summary{border-color:#a1a1aa;box-shadow:0 0 0 2px rgba(0,0,0,.04)}
.language-icon{font-size:.875rem;color:#52525b}.language-chevron{font-size:.625rem;color:#a1a1aa;transition:transform .15s}.language-switcher[open] .language-chevron{transform:rotate(180deg)}
.language-menu{position:absolute;right:0;top:40px;z-index:100;width:220px;max-height:min(300px,70vh);overflow:auto;padding:6px;background:#fff;border:1px solid #e4e4e7;border-radius:12px;box-shadow:0 16px 40px rgba(0,0,0,.14)}
.language-menu a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 9px;border-radius:8px;color:#3f3f46;text-decoration:none;font-size:.6875rem;font-weight:700}
.language-menu a:hover{background:#f4f4f5;color:#18181b}.language-menu a.active{background:#18181b;color:#fff}.language-menu small{font-size:.5625rem;opacity:.65;font-weight:900}
@media (max-width:640px){.language-switcher summary{padding:0 8px}.language-icon{display:none}.language-menu{position:fixed;right:10px;top:56px;width:min(250px,calc(100vw - 20px));max-height:70vh}}

/* Multilingual direction support. Color codes and numeric color controls remain LTR. */
html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] code,html[dir="rtl"] pre,html[dir="rtl"] input[type="text"],html[dir="rtl"] input[type="number"],html[dir="rtl"] .count-pill{ direction: ltr; unicode-bidi: isolate; }
html[dir="rtl"] .language-menu,
html[dir="rtl"] .modal-card,
html[dir="rtl"] .section-card { text-align: right; }
.harmony-mode-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}.harmony-mode-row>span{font-size:.625rem;font-weight:750;color:#71717a}.harmony-mode-row .segmented button{white-space:nowrap}

/* v40 continuous perceptual score + result summary/sorting */
.score-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:14px 0;padding:10px 12px;border:1px solid #e4e4e7;border-radius:12px;background:#fafafa}.score-summary{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.score-summary>strong{font-size:.75rem}.score-summary>small{font-size:.59375rem;color:#71717a}.score-count{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;border:1px solid;font-size:.59375rem;font-weight:900}.score-count.good{background:#ecfdf5;color:#047857;border-color:#a7f3d0}.score-count.warn{background:#fffbeb;color:#b45309;border-color:#fde68a}.score-count.bad{background:#fff1f2;color:#be123c;border-color:#fecdd3}.score-sort{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.score-sort>span{font-size:.625rem;color:#71717a;font-weight:800}.score-sort .mini-btn.active{background:#09090b;color:#fff;border-color:#09090b}@media(max-width:640px){.score-toolbar{align-items:stretch}.score-sort{width:100%}.score-sort .mini-btn{flex:1}.score-summary>small{width:100%}}

/* v40 balanced multi-target background optimizer */
.balanced-hero-card{display:grid;grid-template-columns:minmax(220px,34%) 1fr;gap:0;margin:14px 0 16px;border:1px solid #d4d4d8;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.06)}
.balanced-hero-preview{position:relative;min-height:190px;display:flex;align-items:center;justify-content:center;padding:26px}.balanced-hero-preview img{max-width:72%;max-height:120px}.balanced-crown{position:absolute;left:12px;top:12px;border-radius:999px;padding:5px 9px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.9);font-size:.59375rem;font-weight:950;letter-spacing:.05em}.balanced-hero-preview>.status-pill{position:absolute;right:12px;top:12px}.balanced-hero-body{padding:16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px 16px;align-items:start}.balanced-hero-body>div:first-child>small{font-size:.625rem;font-weight:900;letter-spacing:.06em;color:#71717a;text-transform:uppercase}.balanced-hero-title{display:flex;align-items:center;gap:8px;margin-top:3px}.balanced-hero-title strong{font-size:1.3rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.balanced-hero-body p{font-size:.65625rem;color:#71717a;margin:7px 0 0;max-width:650px}.balanced-score-orb{width:86px;height:86px;border:1px solid #e4e4e7;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fafafa}.balanced-score-orb b{font-size:1.45rem;line-height:1}.balanced-score-orb span{font-size:.5625rem;color:#71717a}.balanced-score-orb small{font-size:.53125rem;font-weight:900;margin-top:3px}.balanced-hero-metrics{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.balanced-hero-metrics>span{display:flex;flex-direction:column;gap:2px;padding:9px 10px;border:1px solid #e4e4e7;border-radius:10px;background:#fafafa}.balanced-hero-metrics small{font-size:.53125rem;color:#71717a}.balanced-hero-metrics b{font-size:.75rem}.balanced-hero-metrics code{font-size:.5625rem;color:#52525b}
@media(max-width:760px){.balanced-hero-card{grid-template-columns:1fr}.balanced-hero-preview{min-height:160px}.balanced-hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.balanced-score-orb{width:74px;height:74px}}

/* Shared aesthetic result cards (used by Suggested background) */
.background-mode-content{min-width:0}

.aesthetic-hex-copy{appearance:none;border:0;background:transparent;padding:0;display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:#18181b}.aesthetic-hex-copy code{font:inherit;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:800}.aesthetic-hex-copy span{font-size:.75em;color:#71717a}.aesthetic-hex-copy:hover code{text-decoration:underline}.aesthetic-hex-copy:focus-visible{outline:2px solid #18181b;outline-offset:3px;border-radius:4px}
.aesthetic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.aesthetic-alt-card{border:1px solid #e4e4e7;border-radius:14px;overflow:hidden;background:#fff}.aesthetic-alt-preview{position:relative;min-height:150px;display:flex;align-items:center;justify-content:center;padding:22px}.aesthetic-alt-preview img{max-width:62%;max-height:100px}.aesthetic-alt-preview>span{position:absolute;left:5px;top:5px;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.85);border-radius:999px;padding:1px 5px;font-size:.5rem}.aesthetic-alt-body{padding:8px;display:flex;flex-direction:column;gap:3px}.aesthetic-mini-score{display:flex;align-items:baseline;gap:2px;padding:5px 7px;border-radius:999px;background:#18181b;color:#fff}.aesthetic-mini-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}.aesthetic-mini-metrics span{font-size:.5rem;color:#71717a;padding:2px 1px;border-radius:4px;background:#fafafa;border:1px solid #f0f0f2;text-align: center;}.aesthetic-mini-metrics b{color:#27272a}
@media(max-width:820px){.aesthetic-grid{grid-template-columns:1fr}}
@media(max-width:900px) and (min-width:640px){.tab-btn{justify-content:center;padding-left:6px;padding-right:6px}.tab-name{font-size:.6875rem}}





/* v47: three Aesthetic hero roles on one desktop row; Consensus may collapse roles into fewer cards. */






















.go-to-top{position:fixed;right:18px;bottom:76px;z-index:70;width:44px;height:44px;border:1px solid rgba(24,24,27,.16);border-radius:999px;background:#18181b;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.125rem;font-weight:900;box-shadow:0 10px 28px rgba(0,0,0,.18);opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .18s ease,transform .18s ease,background .18s ease}.go-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}.go-to-top:hover{background:#27272a}.go-to-top:focus-visible{outline:3px solid rgba(24,24,27,.22);outline-offset:3px}@media(max-width:580px){.go-to-top{right:12px;bottom:68px;width:42px;height:42px}}

/* Emphasize target selectors for Aesthetic and 9-layer background tools. */
.target-bar.target-focus{position:relative;border:2px dashed #71717a;background:#fff;box-shadow:0 0 0 0 rgba(24,24,27,.08);animation:targetFocusPulse 2.4s ease-in-out infinite}
.target-bar.target-focus::after{content:"";position:absolute;inset:-5px;border-radius:18px;pointer-events:none;border:1px solid rgba(24,24,27,.08);opacity:.35;animation:targetFocusHalo 2.4s ease-in-out infinite}
@keyframes targetFocusPulse{0%,100%{border-color:#a1a1aa;box-shadow:0 0 0 0 rgba(24,24,27,0)}50%{border-color:#3f3f46;box-shadow:0 0 0 4px rgba(24,24,27,.055)}}
@keyframes targetFocusHalo{0%,100%{transform:scale(1);opacity:.18}50%{transform:scale(1.006);opacity:.52}}
@media(prefers-reduced-motion:reduce){.target-bar.target-focus,.target-bar.target-focus::after{animation:none}}



/* V54: compact one-line Consensus scores without badges. */





/* v55 aesthetic score/advisory hierarchy + highlighted Harmony color-space control */
.aesthetic-mini-score{display:flex!important;align-items:baseline;gap:3px;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;color:#18181b!important;white-space:nowrap}
.aesthetic-mini-score b,.aesthetic-mini-score span{color:#18181b!important}
.aesthetic-mini-score b{font-size:.8125rem}.aesthetic-mini-score span{font-size:.5rem}


.harmony-mode-row{position:relative;width:fit-content;max-width:100%;padding:10px 12px;margin-top:12px;border:2px dashed #71717a;border-radius:12px;background:#fafafa;box-shadow:0 0 0 0 rgba(24,24,27,.08);animation:targetFocusPulse 2.4s ease-in-out infinite}
.harmony-mode-row>span{font-size:.75rem!important;font-weight:850!important;color:#27272a!important}
.harmony-mode-row .segmented button{font-size:.75rem;padding:7px 11px;font-weight:800}
@media(max-width:580px){.harmony-mode-row{width:100%}.harmony-mode-row .segmented{width:100%}.harmony-mode-row .segmented button{flex:1}}

@media(prefers-reduced-motion:reduce){.harmony-mode-row{animation:none}}


/* V56: compact two-row Aesthetic result header. */
.aesthetic-alt-info{display:flex;flex-direction:column;gap:0px;min-width:0}
.aesthetic-alt-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;min-width:0}
.aesthetic-alt-name-style{display:flex;align-items:center;gap:7px;min-width:0;flex:1 1 auto;overflow:hidden}
.aesthetic-alt-name-style .result-color-name-with-psychology{flex:0 1 auto;min-width:0;max-width:62%}.aesthetic-alt-name-style>.aesthetic-hex-copy{flex:0 0 auto;margin-left:auto;line-height:1.25}.aesthetic-alt-name-style>.aesthetic-hex-copy code{font-size:.75rem!important;font-weight:800}.aesthetic-alt-name-style>.aesthetic-hex-copy span{font-size:.625rem}
.aesthetic-alt-name-style .result-color-name-with-psychology>strong{font-size:.6875rem;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.aesthetic-alt-name-score .aesthetic-mini-score{flex:0 0 auto;justify-content:flex-end;margin-left:auto}






@media(max-width:580px){.aesthetic-alt-name-score .aesthetic-mini-score{justify-content:flex-end}}
.sponsor-share-actions{display:flex;align-items:stretch;justify-content:center;gap:6px;margin-top:8px;min-width:0}.sponsor-share-actions>*{flex:0 1 auto;min-width:0;max-width:100%}
.sponsor-website-link{display:flex;align-items:center;justify-content:center;width:fit-content;margin:0;border:1px solid #d4d4d8;background:#fff;color:#18181b;border-radius:6px;padding:3px 8px;text-decoration:none;text-align:center;font-size:.6875rem;font-weight:650;line-height:1.35;white-space:normal;transition:.15s}.sponsor-website-link:hover{background:#f4f4f5;border-color:#a1a1aa}.sponsor-website-link:focus-visible{outline:2px solid #18181b;outline-offset:2px}
.share-link-btn{display:flex;align-items:center;justify-content:center;gap:4px;width:fit-content;margin:0;border:1px solid #18181b;background:#18181b;color:#fff;border-radius:6px;padding:4px 9px;text-align:center;font-size:.6875rem;font-weight:700;line-height:1.35;white-space:normal;cursor:pointer;transition:.15s}.share-link-btn:hover:not(:disabled){background:#27272a;border-color:#27272a}.share-link-btn:focus-visible{outline:2px solid #18181b;outline-offset:2px}.share-link-btn:disabled{opacity:.42;cursor:not-allowed}.share-link-btn.locked{background:#71717a;border-color:#71717a}.share-link-btn.busy{cursor:wait}.share-link-btn span:first-child{display:inline-block}.share-link-btn.busy span:first-child{animation:spin .8s linear infinite}


.color-name-with-psychology{display:flex;align-items:center;gap:4px;min-width:0;flex:1}.color-name-with-psychology>strong{min-width:0;font-size:.75rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expanded-title .color-name-with-psychology>strong{font-size:.875rem}
/* Compact color-psychology trigger + popup. */
.psychology-icon-btn{flex:0 0 auto;width:22px;height:22px;border:1px solid #e4e4e7;border-radius:999px;background:#fff;padding:2px;display:inline-grid;place-items:center;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.03);transition:.15s}.psychology-icon-btn:hover,.psychology-icon-btn:focus-visible{border-color:#a1a1aa;background:#fafafa;transform:translateY(-1px);outline:0}.psychology-icon-mark{width:16px;height:16px;border-radius:999px;display:grid;place-items:center;background:conic-gradient(#ef4444,#f59e0b,#eab308,#22c55e,#06b6d4,#3b82f6,#8b5cf6,#ec4899,#ef4444);color:#fff;font:900 10px/1 system-ui,sans-serif;text-shadow:0 1px 2px rgba(0,0,0,.4);box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}
body.psychology-modal-open{overflow:hidden}.color-psychology-modal{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:18px;background:rgba(9,9,11,.52);backdrop-filter:blur(2px)}.color-psychology-dialog{width:min(590px,calc(100vw - 24px));max-height:min(84vh,760px);overflow:auto;background:#fff;border:1px solid #e4e4e7;border-radius:16px;box-shadow:0 24px 80px rgba(0,0,0,.26)}.psychology-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:16px 16px 13px;border-bottom:1px solid #f4f4f5;position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);z-index:2}.psychology-modal-ident{display:flex;align-items:center;gap:11px;min-width:0}.psychology-modal-swatch{width:42px;height:42px;border-radius:11px;border:1px solid rgba(0,0,0,.12);box-shadow:inset 0 1px 3px rgba(0,0,0,.1);flex:0 0 auto}.psychology-modal-eyebrow{display:block;margin-bottom:2px;font-size:.59375rem;font-weight:850;text-transform:uppercase;letter-spacing:.055em;color:#71717a}.psychology-modal-ident h3{margin:0;font-size:.9375rem;line-height:1.25;color:#18181b}.psychology-modal-meta{display:flex;align-items:center;gap:7px;margin-top:4px}.psychology-modal-meta code{font-size:.625rem;color:#52525b}.psychology-modal-meta span{font-size:.59375rem;font-weight:750;color:#52525b;background:#f4f4f5;border-radius:999px;padding:2px 6px}.psychology-modal-close{width:30px;height:30px;border:1px solid #e4e4e7;border-radius:8px;background:#fff;color:#71717a;font-size:1.1rem;line-height:1;cursor:pointer;flex:0 0 auto}.psychology-modal-close:hover,.psychology-modal-close:focus-visible{background:#f4f4f5;color:#18181b;outline:0}.psychology-modal-body{display:grid;gap:9px;padding:14px 16px}.psychology-modal-section{padding:11px 12px;border:1px solid #e4e4e7;border-radius:11px;background:#fafafa}.psychology-modal-section>span{display:block;margin-bottom:5px;font-size:.625rem;font-weight:850;text-transform:uppercase;letter-spacing:.045em;color:#71717a}.psychology-modal-section p{margin:0;font-size:.75rem;line-height:1.58;color:#3f3f46}.psychology-modal-section.interaction{border-color:#e9d5ff;background:#fcfaff}.psychology-modal-section.interaction>span{color:#7e22ce}.psychology-modal-section.combination{border-color:#dbeafe;background:#f8fbff}.psychology-modal-section.combination>span{color:#1d4ed8}.psychology-modal-section small{display:block;margin-top:7px;padding-top:7px;border-top:1px dashed #bfdbfe;font-size:.65625rem;line-height:1.5;color:#64748b}.psychology-modal-note{margin:0 16px 16px;padding:9px 10px;border-radius:9px;background:#f4f4f5;font-size:.625rem;line-height:1.48;color:#71717a}
@media(max-width:560px){.color-psychology-modal{padding:10px}.color-psychology-dialog{width:100%;max-height:88vh;border-radius:14px}.psychology-modal-head{padding:13px}.psychology-modal-body{padding:12px 13px}.psychology-modal-note{margin:0 13px 13px}.psychology-modal-swatch{width:38px;height:38px}.psychology-modal-section p{font-size:.71875rem}}


/* v73: psychology icon is shown only beside color names inside result cards. */
.result-color-name-with-psychology{display:inline-flex;align-items:center;gap:4px;min-width:0;max-width:100%}.result-color-name-with-psychology>span,.result-color-name-with-psychology>strong,.result-color-name-with-psychology>h3,.result-color-name-with-psychology>h4{min-width:0;margin:0}.result-color-name-with-psychology .psychology-icon-btn{width:20px;height:20px;padding:1px}.result-color-name-with-psychology .psychology-icon-mark{width:15px;height:15px;font-size:9px}.harmony-name-row>.result-color-name-with-psychology{flex:1;min-width:0}.harmony-name-row>.result-color-name-with-psychology h4{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-color-card>div>.result-color-name-with-psychology{flex:1;min-width:0}.text-color-card>div>.result-color-name-with-psychology>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.color-name-with-psychology .psychology-icon-btn{width:20px;height:20px;padding:1px}.color-name-with-psychology .psychology-icon-mark{width:15px;height:15px;font-size:9px}

/* v75: Aesthetic result header keeps color name + psychology icon inline before style label. */
@media(max-width:580px){.aesthetic-alt-name-style{gap:5px}.aesthetic-alt-name-style .result-color-name-with-psychology{max-width:58%}}
/* v80: psychology polarity stays inside the Psychology/associations result cell. */
.psychology-polarity{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}.psychology-polarity p{margin:0;padding:8px 9px;border:1px solid #e4e4e7;border-radius:9px;background:#fff;font-size:.6875rem;line-height:1.48;color:#52525b}.psychology-polarity b{display:block;margin-bottom:3px;font-size:.59375rem;line-height:1.3;text-transform:uppercase;letter-spacing:.035em;color:#71717a}.psychology-modal-section.psychology{background:#fcfcfc}@media(max-width:560px){.psychology-polarity{grid-template-columns:1fr}.psychology-polarity p{font-size:.671875rem}}

/* v81: tonal-character reference inside the color-psychology popup. */
.psychology-modal-section.tonal{border-color:#fde68a;background:#fffdf5}.psychology-modal-section.tonal>span{color:#a16207}.psychology-tonal-chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-bottom:9px}.psychology-tonal-chips>div{min-width:0;padding:7px 8px;border:1px solid #f3e8c5;border-radius:8px;background:#fff}.psychology-tonal-chips small{display:block;margin:0 0 2px;padding:0;border:0;font-size:.5625rem;line-height:1.25;text-transform:uppercase;letter-spacing:.035em;color:#a1a1aa}.psychology-tonal-chips b{display:block;font-size:.65625rem;line-height:1.35;color:#3f3f46;overflow-wrap:anywhere}.psychology-modal-section.tonal .psychology-tonal-note{border-top-color:#fde68a;color:#78716c}
@media(max-width:560px){.psychology-tonal-chips{grid-template-columns:1fr}.psychology-tonal-chips>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.psychology-tonal-chips small{margin:0}.psychology-tonal-chips b{text-align:right}}

.aesthetic-alt-preview .aesthetic-model-chip{max-width:calc(100% - 10px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aesthetic-model-chip.robust{color:#7c2d12}

/* v98: 12 perceptual hue-center aesthetic laboratory with UI-standard family icons */
.family-hue-tabs{gap:7px;flex-wrap:wrap}
.family-hue-tab{display:inline-flex;align-items:center;gap:6px}
.family-hue-dot{width:12px;height:12px;border-radius:999px;display:inline-block;box-shadow:inset 0 0 0 1px rgba(15,23,42,.14)}
.family-hue-dot.large{width:28px;height:28px;flex:0 0 28px}
.family-aesthetic-summary{display:flex;align-items:center;gap:10px;margin:14px 0 8px;padding:10px 12px;border:1px solid var(--border,#e5e7eb);border-radius:12px;background:rgba(127,127,127,.035)}
.family-aesthetic-summary div{display:flex;flex-direction:column;gap:2px}.family-aesthetic-summary small{opacity:.72}
.family-aesthetic-band{margin-top:16px;padding-top:4px}.family-aesthetic-band+.family-aesthetic-band{border-top:1px solid var(--border,#e5e7eb);padding-top:18px}
.family-aesthetic-band-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:10px}
.family-aesthetic-band-head>div{min-width:0}.family-aesthetic-band-head strong{display:block;font-size:.9rem}.family-aesthetic-band-head span{display:block;font:600 .68rem ui-monospace,monospace;opacity:.7;margin-top:2px}.family-aesthetic-band-head p{margin:4px 0 0;font-size:.74rem;opacity:.76;line-height:1.45}
.family-aesthetic-grid{align-items:stretch}.family-aesthetic-card .aesthetic-alt-preview{min-height:138px}

.family-aesthetic-recommended{padding:14px 12px 12px;border:1px solid var(--border,#e5e7eb);border-radius:14px;background:rgba(127,127,127,.035)}
.family-aesthetic-recommended+.family-aesthetic-band{margin-top:18px}
@media(max-width:760px){.family-hue-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.family-hue-tab{justify-content:flex-start}.family-aesthetic-band-head{gap:8px}}

/* v105 family overview: one flat 24-card grid; 4 columns desktop, 2 columns mobile. */
.family-overview-summary .family-overview-icon,.family-overview-icon{display:inline-grid;place-items:center;width:16px;height:16px;border-radius:50%;font-size:.8rem;font-weight:800;background:linear-gradient(135deg,#F53C41,#F4D916,#43C251,#00BAC9,#0089EA,#9C5EEF,#DA52B5);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.4)}
.family-overview-icon.large{width:28px;height:28px;font-size:1rem}
.family-overview-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:10px;align-items:stretch}
.family-overview-grid .family-aesthetic-card .aesthetic-alt-preview{min-height:132px}
.aesthetic-alt-preview>.family-overview-result-icon{width:15px;height:15px;padding:0;border:2px solid rgba(255,255,255,.94);box-shadow:0 1px 4px rgba(0,0,0,.18);font-size:0;line-height:0}
@media(max-width:760px){.family-overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.family-overview-grid .family-aesthetic-card .aesthetic-alt-preview{min-height:118px}}

/* v113: dynamic API loading state for Suggested background */
.api-loading-card{display:flex;align-items:center;justify-content:center;gap:16px;min-height:190px;padding:28px 22px;border:1px solid var(--border,#e4e4e7);border-radius:16px;background:linear-gradient(135deg,rgba(250,250,250,.92),rgba(255,255,255,.98));overflow:hidden;position:relative}
.api-loading-card:before{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);animation:apiLoadingSweep 2.2s ease-in-out infinite}
.api-loading-orbit{position:relative;z-index:1;flex:0 0 44px;width:44px;height:44px;border:1px solid #d4d4d8;border-radius:50%;animation:apiLoadingSpin 2.4s linear infinite}
.api-loading-orbit:before{content:"";position:absolute;inset:8px;border-radius:50%;background:#18181b;box-shadow:0 0 0 5px rgba(24,24,27,.06)}
.api-loading-orbit i{position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px;border-radius:50%;background:#18181b;transform:rotate(calc(var(--dot,0)*120deg)) translateY(-22px)}
.api-loading-orbit i:nth-child(1){--dot:0}.api-loading-orbit i:nth-child(2){--dot:1}.api-loading-orbit i:nth-child(3){--dot:2}
.api-loading-copy{position:relative;z-index:1;min-width:0;width:min(520px,100%)}.api-loading-copy>strong{display:block;font-size:.875rem;line-height:1.35;margin-bottom:8px}
.api-loading-steps{position:relative;height:1.35rem;overflow:hidden;color:#71717a;font-size:.72rem;line-height:1.35rem}
.api-loading-step{position:absolute;inset:0;opacity:0;transform:translateY(6px);animation:apiLoadingStep 8s ease-in-out infinite;animation-delay:calc(var(--loading-step)*2s)}
.api-loading-progress{height:4px;margin-top:12px;border-radius:999px;background:#e4e4e7;overflow:hidden}.api-loading-progress span{display:block;width:38%;height:100%;border-radius:inherit;background:#18181b;animation:apiLoadingProgress 1.55s ease-in-out infinite}
.api-loading-error{min-height:150px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:24px;border:1px solid var(--border,#e4e4e7);border-radius:16px;text-align:center;background:#fff}.api-loading-error strong{max-width:520px;font-size:.82rem;line-height:1.5}
@keyframes apiLoadingSpin{to{transform:rotate(360deg)}}@keyframes apiLoadingSweep{0%,20%{transform:translateX(-100%)}80%,100%{transform:translateX(100%)}}@keyframes apiLoadingStep{0%,4%{opacity:0;transform:translateY(6px)}8%,22%{opacity:1;transform:translateY(0)}26%,100%{opacity:0;transform:translateY(-5px)}}@keyframes apiLoadingProgress{0%{transform:translateX(-110%)}55%{transform:translateX(170%)}100%{transform:translateX(280%)}}
@media(max-width:580px){.api-loading-card{min-height:170px;gap:12px;padding:22px 16px}.api-loading-orbit{flex-basis:38px;width:38px;height:38px}.api-loading-orbit i{transform:rotate(calc(var(--dot,0)*120deg)) translateY(-19px)}}
@media(prefers-reduced-motion:reduce){.api-loading-card:before,.api-loading-orbit,.api-loading-step,.api-loading-progress span{animation:none}.api-loading-step:first-child{opacity:1;transform:none}}
.harmony-mode-row .segmented button small{font-size:.5rem;font-weight:800;opacity:.62;text-transform:uppercase;letter-spacing:.03em}.harmony-anchor-note{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:8px;padding-top:8px;border-top:1px dashed #d4d4d8}.harmony-anchor-note>span{font-size:.5625rem;font-weight:850;text-transform:uppercase;letter-spacing:.04em;color:#71717a}.harmony-anchor-note code{font-size:.625rem;font-weight:800}.harmony-anchor-note small,.harmony-formula-meta{font-size:.5625rem;color:#71717a}.harmony-formula-meta{display:block;margin-top:4px;line-height:1.35}

/* v117: Suggested Background technical checks. Reuses precomputed aggregate visibility metrics; no extra scoring pass. */
.aesthetic-technical-checks{margin-top:5px;padding-top:6px;min-width:0}
.aesthetic-technical-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;min-width:0}
.aesthetic-technical-check{display:flex;flex-direction:column;gap:1px;min-width:0;padding:5px 5px 4px;border:1px solid #ececf0;border-radius:7px;background:#fafafa;font-variant-numeric:tabular-nums}
.aesthetic-technical-check small{font-size:.453125rem;line-height:1.2;font-weight:900;letter-spacing:.035em;text-transform:uppercase;color:#71717a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aesthetic-technical-check strong{font-size:.5625rem;line-height:1.3;font-weight:900;color:#27272a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aesthetic-technical-check em{font-size:.4375rem;line-height:1.3;font-style:normal;color:#71717a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aesthetic-technical-check.pass{background:#f7fbf8;border-color:#dcecdf}.aesthetic-technical-check.pass strong{color:#166534}
.aesthetic-technical-check.plus{background:#f2fbf7;border-color:#bfe7d0}.aesthetic-technical-check.plus strong{color:#065f46}
.aesthetic-technical-check.warn{background:#fffaf0;border-color:#f3e3bd}.aesthetic-technical-check.warn strong{color:#92400e}
.aesthetic-technical-check.fail{background:#fff8f8;border-color:#efd9d9}.aesthetic-technical-check.fail strong{color:#b91c1c}
.aesthetic-technical-check.advisory{background:#faf9ff;border-color:#e7e1f5}.aesthetic-technical-check.advisory strong{color:#6d28d9}
.aesthetic-technical-check.neutral strong{color:#71717a}
@media(max-width:760px){.aesthetic-technical-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* v122 Real-World 12 Colors */
.real-world-tabs .family-hue-tab{min-width:0}.real-world-summary .family-overview-icon.large{font-size:.75rem;font-weight:900;letter-spacing:-.04em}.real-world-detail-grid{margin-top:12px}.real-world-section .family-aesthetic-summary{margin-bottom:12px}
@media(max-width:1100px) and (min-width:640px){.tab-grid{grid-template-columns:repeat(4,1fr)}}

/* v137: My Background - always-visible inline HSV picker and result cards aligned to 12 Hue / 12 Colors. */
.my-bg-section{overflow:hidden}.my-bg-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.my-bg-editor{display:grid;grid-template-columns:minmax(320px,1fr) minmax(250px,340px);gap:16px;align-items:start;margin-top:14px}.my-bg-picker-panel{min-width:0;border:1px solid #e4e4e7;border-radius:16px;background:#fafafa;padding:14px}.my-bg-picker-head,.my-bg-live-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.my-bg-picker-head strong,.my-bg-live-head strong{font-size:.78rem}.my-bg-picker-head small{max-width:360px;text-align:right;font-size:.59rem;line-height:1.4;color:#71717a}.my-bg-inline-picker{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}.my-bg-sv{--my-bg-hue:#ff0000;position:relative;height:224px;border:1px solid #d4d4d8;border-radius:13px;overflow:hidden;cursor:crosshair;touch-action:none;outline:0;background:linear-gradient(to top,#000,transparent),linear-gradient(to right,#fff,var(--my-bg-hue));box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}.my-bg-sv:focus-visible{box-shadow:0 0 0 3px rgba(24,24,27,.14),inset 0 0 0 1px rgba(255,255,255,.25)}.my-bg-picker-cursor{position:absolute;width:16px;height:16px;border:2px solid #fff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 1px rgba(0,0,0,.62),0 2px 7px rgba(0,0,0,.28);pointer-events:none}.my-bg-hue-control{display:grid;grid-template-columns:20px 1fr;gap:8px;align-items:center}.my-bg-hue-control>span{font-size:.59rem;font-weight:950;color:#71717a;text-align:center}.my-bg-hue-control input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:14px;margin:0;border:1px solid #d4d4d8;border-radius:999px;outline:0;background:linear-gradient(to right,#ff0000 0%,#ffff00 16.67%,#00ff00 33.33%,#00ffff 50%,#0000ff 66.67%,#ff00ff 83.33%,#ff0000 100%);cursor:pointer}.my-bg-hue-control input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px rgba(0,0,0,.58),0 1px 4px rgba(0,0,0,.22)}.my-bg-hue-control input[type=range]::-moz-range-thumb{width:14px;height:14px;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px rgba(0,0,0,.58),0 1px 4px rgba(0,0,0,.22)}.my-bg-hue-control input[type=range]:focus-visible{box-shadow:0 0 0 3px rgba(24,24,27,.14)}.my-bg-hex-field{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;margin-bottom:12px}.my-bg-hex-field>span{font-size:.59rem;font-weight:900;letter-spacing:.05em;color:#71717a}.my-bg-hex-field input{width:100%;border:1px solid #d4d4d8;border-radius:9px;background:#fff;padding:8px 10px;font:800 .75rem ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#18181b}.my-bg-hex-field input:focus{outline:2px solid rgba(24,24,27,.14);border-color:#71717a}.my-bg-picker-actions{display:flex;gap:8px;flex-wrap:wrap}.my-bg-picker-actions button:disabled,.my-bg-section button:disabled{opacity:.45;cursor:not-allowed}.my-bg-current-result{min-width:0}.my-bg-current-result .my-bg-live-head{margin:0 0 8px;padding:0 2px}.my-bg-current-result .my-bg-result-card{width:100%}.my-bg-result-card{min-width:0;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s}.my-bg-result-card:hover{border-color:#a1a1aa;transform:translateY(-1px)}.my-bg-result-card.draft{cursor:default}.my-bg-result-card.draft:hover{border-color:#e4e4e7;transform:none}.my-bg-result-card.active{border-color:#18181b;box-shadow:0 0 0 1px #18181b}.my-bg-result-preview{min-height:132px;transition:background-color .04s linear}.my-bg-result-preview img{max-width:62%;max-height:100px;object-fit:contain}.my-bg-live-badge{flex:0 0 auto;font-size:.53125rem;font-weight:900;letter-spacing:.045em;text-transform:uppercase;color:#71717a}.my-bg-card-actions{display:flex;align-items:center;gap:4px;flex:0 0 auto}.my-bg-card-actions .mini-btn{padding:4px 6px;font-size:.56rem}.my-bg-card-actions .mini-btn.danger{color:#be123c;background:#fff1f2;border-color:#fecdd3}.my-bg-card-actions .mini-btn.danger:hover{background:#ffe4e6}.my-bg-saved-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:20px 0 10px;padding-top:16px;border-top:1px solid #e4e4e7}.my-bg-saved-head h3{margin:0;font-size:.84rem}.my-bg-saved-head p{margin:3px 0 0;font-size:.62rem;color:#71717a}.my-bg-grid{margin-top:0}.my-bg-sponsor-saved-notice{display:flex;align-items:center;gap:8px;margin:0 0 10px;padding:10px 12px;border:1px solid #fde68a;border-radius:12px;background:#fffbeb;color:#92400e;font-size:.68rem;font-weight:700;line-height:1.45}.my-bg-sponsor-saved-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:#f59e0b;color:#fff;font-size:.62rem;font-weight:950}.my-bg-empty{padding:28px 18px;border:1px dashed #d4d4d8;border-radius:14px;background:#fafafa;text-align:center;color:#71717a;font-size:.7rem}
@media(max-width:980px){.my-bg-editor{grid-template-columns:minmax(300px,1fr) minmax(240px,300px)}.my-bg-sv{height:210px}}
@media(max-width:760px){.my-bg-editor{grid-template-columns:1fr}.my-bg-current-result{width:min(100%,360px)}.my-bg-sv{height:200px}.my-bg-result-card:not(.draft) .aesthetic-alt-name-score{align-items:center;flex-wrap:wrap}.my-bg-result-card:not(.draft) .my-bg-card-actions{width:100%}.my-bg-result-card:not(.draft) .my-bg-card-actions .mini-btn{flex:1}}
@media(max-width:639px){.tab-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.tab-btn{padding-left:2px;padding-right:2px}.my-bg-picker-panel{padding:11px}.my-bg-picker-head{flex-direction:column}.my-bg-picker-head small{text-align:left}.my-bg-sv{height:180px}.my-bg-card-actions{gap:3px}.my-bg-card-actions .mini-btn{padding:4px 5px}}
@media(max-width:360px){.tab-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.my-bg-sv{height:160px}}

/* v138: My Background full scorer cards + explicit draft Check workflow */
.my-bg-live-head small{font-size:.56rem;line-height:1.35;color:#71717a;text-align:right;max-width:240px}.my-bg-analysis-content{display:flex;flex-direction:column;gap:3px;min-width:0}.my-bg-card-actions-bottom{margin-top:6px;padding-top:6px;border-top:1px solid #ececf0;justify-content:flex-end}.my-bg-result-card .aesthetic-mini-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.my-bg-result-card .aesthetic-technical-checks{margin-top:4px}.my-bg-live-badge.failed{color:#be123c}.my-bg-saved-check-state{flex:0 0 auto;font-size:.56rem;font-weight:900;color:#71717a;padding:4px 7px;border:1px solid #e4e4e7;border-radius:999px;background:#fafafa}.my-bg-check-btn{min-width:76px}
@media(max-width:760px){.my-bg-live-head{align-items:flex-start}.my-bg-live-head small{max-width:190px}.my-bg-result-card .aesthetic-mini-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:420px){.my-bg-live-head{flex-direction:column;gap:3px}.my-bg-live-head small{text-align:left;max-width:none}.my-bg-result-card .aesthetic-mini-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.my-bg-card-actions-bottom .mini-btn{flex:1}}

/* v142: sponsor Save/Share lock + resilient local upload fallback. */
.background-card-save{position:absolute;right:6px;top:6px;z-index:8;display:inline-flex;align-items:center;gap:4px;max-width:calc(100% - 18px);padding:4px 7px;border:1px solid rgba(255,255,255,.88);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 1px 5px rgba(0,0,0,.14);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:#27272a;cursor:pointer;font:850 .5rem/1 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;white-space:nowrap}
.background-card-save span{font-size:.625rem;line-height:1}.background-card-save b{font:inherit;overflow:hidden;text-overflow:ellipsis}.background-card-save:hover:not(:disabled){background:#fff;border-color:#fff;transform:translateY(-1px)}.background-card-save:focus-visible{outline:2px solid rgba(24,24,27,.42);outline-offset:2px}.background-card-save:disabled{cursor:default;opacity:.72}.background-card-save.saved{color:#166534;background:rgba(240,253,244,.96);border-color:rgba(187,247,208,.96)}.background-card-save.locked{color:#71717a;background:rgba(244,244,245,.94);border-color:rgba(228,228,231,.96)}
.family-aesthetic-card .aesthetic-alt-preview>.aesthetic-model-chip{max-width:calc(100% - 88px)}
.nine-layer-grid{align-items:stretch}
.nine-layer-card .nine-layer-preview{min-height:132px}
.nine-layer-card .aesthetic-alt-body{height:100%}
.nine-layer-mini-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}
.nine-layer-details{position:absolute;left:6px;right:6px;top:6px;z-index:6;min-width:0;pointer-events:none;text-align:left}
.nine-layer-details summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;max-width:calc(100% - 92px);min-width:0;padding:4px 7px;border:1px solid rgba(255,255,255,.88);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 1px 5px rgba(0,0,0,.14);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:#52525b;pointer-events:auto}
.nine-layer-details summary::-webkit-details-marker{display:none}
.nine-layer-details summary span{min-width:0;font-size:.5rem;font-weight:900;letter-spacing:.035em;text-transform:uppercase;color:#52525b;white-space:nowrap}
.nine-layer-details summary b{min-width:0;max-width:92px;font-size:.484375rem;font-weight:900;color:#71717a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nine-layer-details summary:after{content:"+";flex:0 0 auto;font-size:.625rem;font-weight:950;color:#71717a}
.nine-layer-details[open] summary:after{content:"−"}
.nine-layer-details[open] summary{background:#fff;border-color:#fff}
.nine-layer-details-body{display:flex;flex-direction:column;gap:3px;width:100%;max-height:108px;overflow:auto;margin-top:5px;padding:7px 8px;border:1px solid rgba(228,228,231,.98);border-radius:9px;background:rgba(255,255,255,.97);box-shadow:0 5px 16px rgba(0,0,0,.16);pointer-events:auto}
.nine-layer-details-body>strong{font-size:.59375rem;color:#27272a;line-height:1.35}
.nine-layer-formula-name{font-size:.53125rem;font-weight:850;color:#52525b;line-height:1.35}
.nine-layer-details-body p{margin:1px 0 0;font-size:.5rem;color:#71717a;line-height:1.45}
.nine-layer-details-body small{font-size:.484375rem;color:#71717a;line-height:1.45}
@media(max-width:760px){.nine-layer-mini-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.nine-layer-card .nine-layer-preview{min-height:118px}.background-card-save{right:5px;top:5px;padding:4px 6px}.nine-layer-details{left:5px;right:5px;top:5px}.nine-layer-details summary{max-width:calc(100% - 78px)}.nine-layer-details summary b{display:none}.nine-layer-details-body{max-height:96px}}
/* v146 My Project: browser-local share bookmarks. */
.my-project-section{overflow:hidden}.my-project-local-notice,.my-project-storage-warning{display:flex;align-items:flex-start;gap:10px;margin:14px 0;padding:12px 14px;border-radius:13px;font-size:.68rem;line-height:1.5}.my-project-local-notice{border:1px solid #bae6fd;background:#f0f9ff;color:#0c4a6e}.my-project-local-notice>span,.my-project-storage-warning>span:first-child{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:20px;height:20px;border-radius:50%;font-size:.65rem;font-weight:950}.my-project-local-notice>span{background:#0284c7;color:#fff}.my-project-local-notice strong{display:block;margin-bottom:2px;font-size:.7rem}.my-project-local-notice p{margin:0}.my-project-storage-warning{border:1px solid #fde68a;background:#fffbeb;color:#92400e}.my-project-storage-warning>span:first-child{background:#f59e0b;color:#fff}.my-project-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.my-project-card{min-width:0;border:1px solid #e4e4e7;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.03)}.my-project-card.current{border-color:#18181b;box-shadow:0 0 0 1px #18181b}.my-project-preview{height:150px;display:flex;align-items:center;justify-content:center;padding:18px;background:linear-gradient(135deg,#fafafa,#f4f4f5)}.my-project-preview img{max-width:82%;max-height:108px;object-fit:contain}.my-project-placeholder{font-size:2rem;color:#a1a1aa}.my-project-body{padding:13px}.my-project-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.my-project-title-row h3{margin:0 0 3px;max-width:220px;font-size:.8rem;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.my-project-title-row code{font-size:.58rem;color:#71717a}.my-project-badges{display:flex;justify-content:flex-end;gap:5px;flex-wrap:wrap}.my-project-badges .status-pill{font-size:.5rem}.my-project-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.my-project-meta>div{min-width:0;padding:8px;border:1px solid #ececf0;border-radius:10px;background:#fafafa}.my-project-meta dt{margin:0 0 2px;font-size:.52rem;font-weight:900;text-transform:uppercase;letter-spacing:.035em;color:#71717a}.my-project-meta dd{margin:0;font-size:.61rem;font-weight:700;color:#27272a;overflow-wrap:anywhere}.my-project-actions{display:flex;gap:6px;align-items:center}.my-project-actions .dark-btn,.my-project-actions .light-btn{flex:1;padding:7px 9px;font-size:.62rem}.my-project-actions .mini-btn.danger{padding:7px 8px;color:#be123c;background:#fff1f2;border-color:#fecdd3}.my-project-actions .mini-btn.danger:hover{background:#ffe4e6}
@media(max-width:980px){.my-project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.my-project-grid{grid-template-columns:1fr}.my-project-preview{height:130px}.my-project-title-row h3{max-width:190px}}
@media(max-width:420px){.my-project-meta{grid-template-columns:1fr}.my-project-actions{flex-wrap:wrap}.my-project-actions .mini-btn.danger{flex:1 0 100%}}


/* v179 Visual Settings: user-calibrated chromatic support for Human Visual scoring. */
.tab-nav-row{display:flex;align-items:stretch;gap:6px}.tab-nav-row .tab-grid{flex:1;min-width:0}.visual-settings-trigger{flex:0 0 auto;min-width:132px;border:1px solid #d4d4d8;background:#fff;color:#27272a;border-radius:12px;padding:7px 10px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:.7rem;font-weight:800;line-height:1.1;transition:.15s}.visual-settings-trigger:hover{background:#f4f4f5;border-color:#a1a1aa}.visual-settings-trigger>span:first-child{font-size:.95rem}.visual-settings-trigger small{font-size:.6rem;font-weight:900;color:#71717a;border-left:1px solid #e4e4e7;padding-left:6px;font-variant-numeric:tabular-nums}.visual-settings-title-icon{background:#ede9fe;color:#6d28d9}.visual-settings-card{width:min(880px,100%)}.visual-settings-body{display:grid;gap:18px}.visual-setting-main{border:1px solid #e4e4e7;border-radius:14px;padding:16px;background:linear-gradient(180deg,#fff,#fafafa)}.visual-setting-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.visual-setting-heading h4,.visual-settings-section-head h4{margin:0;color:#18181b;font-size:.86rem}.visual-setting-heading p,.visual-settings-section-head p{margin:4px 0 0;color:#71717a;font-size:.7rem;line-height:1.55}.visual-setting-current{flex:0 0 auto;min-width:90px;border:1px solid #ddd6fe;background:#f5f3ff;border-radius:10px;padding:8px 10px;text-align:right}.visual-setting-current b{display:block;color:#5b21b6;font-size:1rem;font-variant-numeric:tabular-nums}.visual-setting-current small{display:block;margin-top:2px;color:#6d28d9;font-size:.6rem;font-weight:800}.visual-range-labels,.visual-range-values{display:flex;justify-content:space-between;gap:8px}.visual-range-labels{margin-top:14px;color:#52525b;font-size:.64rem;font-weight:800}.visual-range-values{margin-top:2px;color:#a1a1aa;font-size:.58rem;font-variant-numeric:tabular-nums}.visual-influence-range{width:100%;margin:7px 0 0;accent-color:#18181b}.visual-levels-section,.visual-example-section{display:grid;gap:10px}.visual-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.visual-level-card{border:1px solid #e4e4e7;background:#fff;border-radius:12px;padding:12px;text-align:left;display:grid;grid-template-columns:auto 1fr;column-gap:7px;row-gap:3px;align-content:start;transition:.15s;color:#27272a}.visual-level-card:hover{border-color:#a1a1aa;background:#fafafa}.visual-level-card.active{border-color:#18181b;box-shadow:0 0 0 1px #18181b;background:#fafafa}.visual-level-icon{grid-row:1/3;width:25px;height:25px;border-radius:7px;background:#f4f4f5;display:flex;align-items:center;justify-content:center;font-size:.8rem}.visual-level-card strong{font-size:.72rem}.visual-level-card small{font-size:.58rem;color:#71717a}.visual-level-card p{grid-column:1/-1;margin:7px 0 0;color:#52525b;font-size:.66rem;line-height:1.5}.visual-level-card em{grid-column:1/-1;margin-top:3px;color:#71717a;font-size:.6rem;font-style:normal;font-weight:700}.visual-level-card[data-visual-band="balanced"] .visual-level-icon{background:#ede9fe;color:#6d28d9}.visual-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.visual-example-card{border:1px solid #e4e4e7;border-radius:12px;overflow:hidden;background:#fff;display:grid;grid-template-columns:104px 1fr;min-height:118px}.visual-example-preview{display:flex;align-items:center;justify-content:center;min-height:118px}.visual-example-preview span{font-size:1.45rem;font-weight:950;letter-spacing:-.06em}.visual-example-preview.strong-luminance{background:#fff}.visual-example-preview.strong-luminance span{color:#2563eb}.visual-example-preview.chromatic-only{background:#c13b8a}.visual-example-preview.chromatic-only span{color:#2563eb;text-shadow:0 0 1px rgba(255,255,255,.08)}.visual-example-copy{padding:11px;display:grid;grid-template-columns:1fr auto;align-content:center;gap:4px 9px}.visual-example-copy strong{grid-column:1/-1;font-size:.7rem}.visual-example-copy p{grid-column:1/-1;margin:0;color:#71717a;font-size:.62rem;line-height:1.45}.visual-example-copy>b{font-size:.68rem;color:#27272a;font-variant-numeric:tabular-nums;align-self:center}.visual-example-meter{height:7px;border-radius:999px;background:#f4f4f5;overflow:hidden;align-self:center}.visual-example-meter i{display:block;height:100%;width:0;background:#27272a;border-radius:inherit;transition:width .15s ease}.visual-example-caption{margin:0;color:#71717a;font-size:.64rem;line-height:1.5}.visual-technical-note{display:flex;gap:9px;align-items:flex-start;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:12px;padding:11px 12px;color:#166534}.visual-technical-note>span{font-weight:900}.visual-technical-note strong{font-size:.7rem}.visual-technical-note p{margin:2px 0 0;font-size:.64rem;line-height:1.45;color:#15803d}.visual-settings-scope{margin:-7px 0 0;color:#71717a;font-size:.62rem;line-height:1.5}.visual-how-it-works{border:1px solid #e4e4e7;border-radius:10px;background:#fafafa;padding:9px 11px}.visual-how-it-works summary{cursor:pointer;font-size:.68rem;font-weight:800;color:#3f3f46}.visual-how-it-works div{margin-top:9px}.visual-how-it-works code{display:block;overflow:auto;padding:9px;border-radius:8px;background:#18181b;color:#fafafa;font-size:.67rem}.visual-how-it-works p{margin:7px 0 0;color:#52525b;font-size:.64rem;line-height:1.45}.visual-settings-foot{justify-content:space-between}
html[dir="rtl"] .visual-setting-current{text-align:left}html[dir="rtl"] .visual-level-card{text-align:right}html[dir="rtl"] .visual-settings-trigger small{border-left:0;border-right:1px solid #e4e4e7;padding-left:0;padding-right:6px}
@media(max-width:900px){.visual-settings-trigger{min-width:42px;width:42px;padding:6px}.visual-settings-trigger-label,.visual-settings-trigger small{display:none}.visual-level-grid{grid-template-columns:1fr}.visual-example-grid{grid-template-columns:1fr}.visual-settings-card{width:min(680px,100%)}}
@media(max-width:520px){.visual-settings-body{gap:14px}.visual-setting-main{padding:12px}.visual-setting-heading{gap:9px}.visual-setting-current{min-width:74px}.visual-example-card{grid-template-columns:82px 1fr}.visual-example-preview{min-height:110px}.visual-settings-foot{gap:7px}.visual-settings-foot button{flex:1}}

.visual-calibration-note{margin:10px 0 0;font-size:12px;line-height:1.45;color:var(--muted,#64748b)}