.art-dialog{width:min(1050px,calc(100vw - 36px));max-width:none;max-height:calc(100dvh - 32px);padding:24px 26px 0;border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--ink);box-sizing:border-box;overflow:auto}
.art-dialog::backdrop{background:#1c191766;backdrop-filter:blur(3px)}
.art-dialog button,.art-dialog input,.art-dialog select{font:inherit;box-sizing:border-box}.art-dialog button{cursor:pointer}.art-dialog button:disabled{cursor:default;opacity:.45}.art-dialog button:focus-visible,.art-dialog input:focus-visible,.art-dialog select:focus-visible{outline:3px solid var(--ui-focus);outline-offset:3px}.art-dialog [hidden]{display:none!important}
.art-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.art-header h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:26px;line-height:1.2;letter-spacing:-.7px;margin:3px 0 0}.art-eyebrow{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0;font-weight:650}.art-header>.text-button{min-height:40px;padding:8px;font-size:14px;color:var(--muted)}
.art-intro{font-size:14px;line-height:1.6;color:var(--muted);margin:13px 0 22px;max-width:800px}.art-body{display:grid;grid-template-columns:minmax(0,410px) minmax(0,1fr);gap:32px}.art-body section{min-width:0}.art-body h3{font-size:14px;font-weight:650;margin:0 0 9px;color:var(--ink)}
.art-study-bar{display:flex;align-items:end;gap:10px}.art-study-bar>div{flex:1;min-width:0}.art-study-bar label{display:block;font-size:14px;font-weight:650;margin-bottom:6px}.art-study-bar select{width:100%;height:40px;padding:8px 29px 8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);font-size:14px}.art-dialog .button{min-height:40px;padding:8px 11px;font-size:14px;line-height:1.35}.art-dialog .button-secondary{border-color:var(--line);background:#fff;color:var(--ink)}.art-dialog .button-primary{background:var(--ui-accent);border-color:var(--ui-accent);color:#fff}.art-dialog .button-primary:hover{background:var(--ui-accent-hover)}.art-study-description{font-size:14px;color:var(--muted);line-height:1.5;min-height:17px;margin:9px 0 16px}
.art-workbench{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:18px;align-items:start}.art-grid-column{min-width:0}.art-grid-scroll{display:flex;justify-content:flex-start;max-width:100%;max-height:390px;overflow:auto;padding:4px;background:#e4e2d9;border:1px solid var(--line);border-radius:6px;scrollbar-width:thin;overscroll-behavior:contain}.art-grid{--art-cell:24px;flex:none;width:calc(var(--art-cols) * var(--art-cell));background-color:#fff;background-image:conic-gradient(#e8e8df 25%,transparent 0 50%,#e8e8df 0 75%,transparent 0);background-size:12px 12px;touch-action:none;user-select:none}.art-grid-row{display:grid;grid-template-columns:repeat(var(--art-cols),var(--art-cell));height:var(--art-cell)}.art-grid button{border:0;border-radius:0;margin:0;padding:0;width:var(--art-cell);height:var(--art-cell);box-shadow:inset 0 0 0 .5px #30352a20;background:transparent;touch-action:none}.art-grid button:hover{box-shadow:inset 0 0 0 2px #fff,inset 0 0 0 3px #252b27}.art-grid button:focus-visible{position:relative;z-index:2;outline:2px solid var(--ui-accent);outline-offset:-3px;box-shadow:inset 0 0 0 2px #fff}.art-grid-caption{font-size:14px;line-height:1.5;color:var(--muted);margin:8px 0 0}
.art-inks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:7px}.art-ink{position:relative;display:flex;align-items:center;justify-content:center;gap:4px;min-height:40px;padding:5px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink)}.art-ink>span{width:20px;height:23px;background:var(--art-ink);border:1px solid #1112;border-radius:2px}.art-ink>b{font-size:14px;font-weight:600}.art-ink[aria-pressed=true]{border:2px solid var(--ui-accent);box-shadow:0 0 0 1px var(--ui-accent);background:var(--ui-selected);padding:4px}.art-ink[aria-pressed=true]:after{content:'✓';position:absolute;right:-4px;top:-6px;width:14px;height:14px;border-radius:50%;background:var(--ui-accent);color:#fff;font:14px/14px Arial,sans-serif;text-align:center}
.art-eraser{width:100%;min-height:36px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--muted);font-size:14px!important}.art-eraser span{font-size:16px;margin-right:5px}.art-eraser[aria-pressed=true]{border:2px solid var(--ui-accent);background:var(--ui-selected);font-weight:650}.art-color-editor{margin:14px 0}.art-color-editor label{font-size:14px;display:block;margin-bottom:6px;color:var(--muted)}.art-color-fields{display:flex;gap:6px}.art-color-fields input[type=color]{width:39px;height:37px;min-width:39px;padding:3px;border:1px solid var(--line);border-radius:5px;background:#fff}.art-color-fields input[type=text]{width:100%;min-width:0;height:37px;padding:6px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font:14px/1.4 ui-monospace,Consolas,monospace}.art-color-fields input[aria-invalid=true]{border-color:#b44432;background:#fff1ec}
.art-transform{margin-top:17px;padding-top:14px;border-top:1px solid var(--line)}.art-transform .button{width:100%;margin-bottom:6px;padding-inline:5px;font-size:14px}.art-history{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:7px}.art-history .button{padding-inline:7px}.art-reset{width:100%;min-height:37px;font-size:14px!important;line-height:1.5;text-align:left;margin-top:7px}.art-grid-help{font-size:14px;line-height:1.65;color:var(--muted);margin:13px 0 20px}
.art-preview-column{padding-top:3px}.art-preview-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}.art-preview-heading h3{font-size:14px;margin:0}.art-preview-heading span{font-size:14px;color:var(--muted)}.art-preview-shell{padding:22px 16px;background:var(--stage);border:1px solid var(--line);border-radius:8px;min-height:100px;display:flex;align-items:center}.art-preview-stage{position:relative;width:100%;overflow:hidden}.art-preview{position:absolute;top:0;left:0;transform-origin:top left}.art-preview table{margin:0}.art-preview-empty{font-size:14px;line-height:1.6;color:var(--muted);text-align:center;padding:25px;margin:0;width:100%}.art-preview-note,.art-space-note{font-size:14px;line-height:1.7;color:var(--muted);margin:13px 1px}.art-space-note{padding:10px 12px;border-radius:6px;background:#f2e8d2;color:var(--muted)}
.art-footer{position:sticky;bottom:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--panel);border-top:1px solid var(--line);margin-top:3px;padding:14px 0 17px;box-shadow:0 -8px 16px #faf8f4e6}.art-feedback{min-width:0}.art-feedback p{margin:0}.art-feedback #art-status{font-size:14px;line-height:1.6;color:var(--muted)}.art-feedback #art-status[data-error=true]{color:#aa3b2b}.art-budget{font:14px/1.5 ui-monospace,Consolas,monospace;color:var(--muted);padding-top:3px}.art-budget[data-near=true]{color:var(--muted)}.art-footer-actions{display:flex;gap:8px;flex:none}.art-footer-actions .button{min-width:85px}
@media(max-width:800px){.art-dialog{width:calc(100vw - 24px);padding:20px 20px 0;max-height:calc(100dvh - 24px)}.art-body{grid-template-columns:minmax(0,1fr);gap:18px}.art-preview-column{grid-row:1}.art-preview-shell{padding:12px;max-width:100%}.art-preview-note{margin-bottom:0}.art-preview-heading{margin-bottom:8px}.art-intro{margin:10px 0 17px;font-size:14px}.art-header h2{font-size:23px}.art-study-description{margin-bottom:12px}.art-workbench{grid-template-columns:minmax(0,1fr) 140px;gap:14px;max-width:470px;margin-inline:auto}.art-grid-scroll{width:max-content;max-width:100%;box-sizing:border-box}.art-footer{gap:12px;align-items:flex-start;flex-wrap:wrap;padding:12px 0}.art-footer-actions{margin-left:auto}.art-feedback{flex:1 1 180px}.art-color-fields input[type=text],.art-study-bar select{font-size:16px}.art-grid-help{margin-bottom:10px}}
@media(max-width:440px){.art-dialog{padding:17px 14px 0}.art-body{gap:17px}.art-workbench{grid-template-columns:minmax(0,1fr) 123px;gap:10px}.art-header h2{font-size:21px}.art-header>.text-button{padding-right:0}.art-inks{gap:5px}.art-ink{gap:3px}.art-ink>span{width:17px;height:24px}.art-color-fields{gap:5px}.art-color-fields input[type=color]{width:34px;min-width:34px}.art-color-fields input[type=text]{font-size:14px;padding-inline:4px}.art-transform .button{font-size:14px;white-space:normal}.art-study-bar{gap:8px}.art-study-bar .button{font-size:14px;padding-inline:9px}.art-footer-actions{width:100%}.art-footer-actions .button{flex:1}.art-feedback{flex:1 1 100%}.art-preview-note{font-size:14px}.art-grid-scroll{max-height:370px}.art-grid{--art-cell:20px}}
@media(max-width:360px){.art-workbench{grid-template-columns:minmax(0,1fr) 116px;gap:8px}.art-grid{--art-cell:18px}.art-header h2{font-size:20px}.art-color-fields input[type=text]{font-size:14px}.art-grid-help{font-size:14px}}
.art-grid-pan{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:7px;font-size:14px;color:var(--muted)}.art-grid-pan button{width:38px;min-height:34px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--muted);font-size:17px}