:root{color-scheme:dark;--bg:#101118;--panel:#1a1c27;--line:#303344;--text:#f4f4fa;--muted:#a5a9bc;--accent:#9d83ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px system-ui,Arial;overflow:hidden}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#282b3a;color:var(--text);border-radius:10px;padding:9px 11px}button:hover,button.active{background:#4c3e83;border-color:var(--accent)}button:disabled{opacity:.4}header{height:64px;display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line);background:#181a24}header strong{font-size:20px;letter-spacing:-.6px}header strong span{color:var(--accent)}.tag{color:var(--muted);font-size:11px}.grow{flex:1}.layout{height:calc(100dvh - 64px);display:grid;grid-template-columns:76px minmax(0,1fr) 260px}.tools{background:var(--panel);border-right:1px solid var(--line);padding:12px 8px;display:flex;flex-direction:column;gap:7px;overflow:auto}.tools button{font-size:20px;padding:9px 3px;min-height:45px}.tools small{display:block;font-size:9px;margin-top:2px;color:#c9c9d6}.workspace{position:relative;overflow:hidden;background-color:#252733;background-image:radial-gradient(#404253 1px,transparent 1px);background-size:22px 22px;touch-action:none}.canvas-wrap{position:absolute;left:50%;top:50%;width:900px;height:650px;transform:translate(-50%,-50%) scale(1);transform-origin:center;box-shadow:0 18px 70px #0009;background:white;touch-action:none}.canvas-wrap canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.sidebar{background:var(--panel);border-left:1px solid var(--line);overflow:auto;padding:15px;display:flex;flex-direction:column;gap:16px}.section{border-bottom:1px solid var(--line);padding-bottom:15px}.section h3{margin:0 0 13px;font-size:13px}.row{display:flex;gap:7px;align-items:center}.row>*{min-width:0}.row button{flex:1}.field{margin:12px 0}.field label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:8px}input[type=range]{width:100%;accent-color:var(--accent)}input[type=color]{height:42px;width:56px;border:0;background:transparent}select{width:100%;padding:9px;background:#282b3a;color:white;border:1px solid var(--line);border-radius:9px}.layer{display:flex;align-items:center;gap:8px;padding:10px 8px;background:#272a39;border:1px solid var(--line);border-radius:9px;margin-bottom:7px;cursor:pointer}.layer.selected{border-color:var(--accent);background:#393253}.layer-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layer button{padding:5px 7px}.hint{font-size:11px;color:var(--muted);line-height:1.6}.status{position:absolute;bottom:15px;left:15px;background:#161821dc;border:1px solid var(--line);padding:8px 12px;border-radius:9px;font-size:12px;pointer-events:none}.mobile-toggle{display:none}.top-action{white-space:nowrap}.toast{position:absolute;top:16px;left:50%;transform:translateX(-50%);background:#26253c;padding:10px 16px;border:1px solid var(--accent);border-radius:12px;display:none;z-index:5}.checker{background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:white}@media(max-width:850px){header{height:58px;padding:8px;gap:5px}header strong{font-size:17px}.tag{display:none}.layout{height:calc(100dvh - 58px);grid-template-columns:56px minmax(0,1fr)}.tools{padding:8px 4px}.tools button{font-size:18px;padding:7px 1px}.sidebar{position:absolute;z-index:10;right:0;top:58px;bottom:0;width:min(285px,78vw);box-shadow:-15px 0 35px #0007;display:none}.sidebar.open{display:flex}.mobile-toggle{display:block}.top-action{padding:7px;font-size:12px}.canvas-wrap{width:900px;height:650px}.status{font-size:10px;bottom:9px;left:9px}}@media(max-width:420px){header strong{font-size:15px}.top-action{font-size:11px;padding:7px 5px}}

/* Art em Foco 2.0 — interface inspirada no fluxo de estúdios de pintura digital */
:root{color-scheme:dark;--bg:#11151c;--panel:#202630;--line:#38414d;--text:#f6f8fb;--muted:#a6b1c0;--accent:#37b8e9}
body{background:#151b23;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
header{height:60px;background:linear-gradient(180deg,#303945,#252d37);border-bottom:1px solid #46515d;box-shadow:0 2px 12px #0005;position:relative;z-index:15}
header strong{font-size:19px;font-weight:750;letter-spacing:-.8px;white-space:nowrap}header strong span{color:#79d9ff}.brand-icon{display:inline-grid;place-items:center;width:31px;height:31px;border-radius:9px;background:linear-gradient(135deg,#39d1ff,#4977f7);color:white!important;margin-right:5px;box-shadow:0 2px 12px #15a4ef66}.tag{font-size:9px;letter-spacing:1.8px;color:#a7bdcd;margin-left:8px}
button{border-radius:9px;background:#333d4a;border-color:#4a5665;transition:background .12s,border-color .12s}button:hover,button.active{background:#244e67;border-color:#42c7f4}.top-action{font-weight:600;padding:8px 12px}.top-action.primary{background:linear-gradient(135deg,#219dd3,#4474dd);border-color:#50c8ef;color:white}
.layout{height:calc(100dvh - 60px);grid-template-columns:78px minmax(0,1fr) 286px}.tools{background:linear-gradient(90deg,#242d38,#1f2731);border-right:1px solid #46505d;gap:5px;padding:11px 8px;scrollbar-width:thin}.tools button{font-size:21px;min-height:55px;background:transparent;border:1px solid transparent;border-radius:12px;color:#e8f2fc}.tools button:hover{background:#354555}.tools button.active{background:linear-gradient(135deg,#245c7b,#2b435d);border-color:#3fbfea;box-shadow:inset 3px 0 #56d7ff}.tools small{font-size:10px;font-weight:600;margin-top:3px;color:#aebfce}.tools button.active small{color:#e9faff}
.workspace{background-color:#414954;background-image:linear-gradient(45deg,#47505b 25%,transparent 25%),linear-gradient(-45deg,#47505b 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#47505b 75%),linear-gradient(-45deg,transparent 75%,#47505b 75%);background-size:26px 26px;background-position:0 0,0 13px,13px -13px,-13px 0}.canvas-wrap{box-shadow:0 12px 48px #0009,0 0 0 1px #d0d0d0}
.sidebar{background:#252d38;border-left:1px solid #485463;padding:17px 15px;gap:17px;scrollbar-width:thin}.section{border-bottom:1px solid #3d4856;padding-bottom:17px}.section h3{font-size:14px;letter-spacing:-.2px;margin-bottom:4px}.section-sub{font-size:9px;color:#8c9eae;letter-spacing:1.5px;margin:0 0 15px;font-weight:750}.field{margin:16px 0}.field label{font-size:12px;color:#c2cedb;font-weight:600}input[type=range]{accent-color:#35b9eb;cursor:pointer}input[type=color]{border:2px solid #718092;border-radius:11px;width:53px;height:45px;padding:2px;cursor:pointer}select{background:#323d4b;border-color:#52606f;color:#eaf6fc}.layer{background:#303b49;border:1px solid #4b5868;border-radius:10px}.layer.selected{background:#284d64;border-color:#4bd1ff;box-shadow:inset 3px 0 #55d4ff}.layer button{background:#455260}.hint{color:#aebdcc}.status{background:#1e2733eb;border:1px solid #536271;color:#e6f4ff;backdrop-filter:blur(6px);font-weight:600;bottom:14px;left:16px}
.floating-controls{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);z-index:4;display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:17px;background:#222d39ee;border:1px solid #596a7b;box-shadow:0 8px 24px #0006;backdrop-filter:blur(10px)}.floating-controls button{min-width:39px;height:39px;padding:6px;font-size:18px}.floating-controls input{width:145px}.floating-controls #quickColor{display:grid;place-items:center}#quickSwatch{display:block;width:23px;height:23px;background:#9d83ff;border-radius:50%;border:2px solid white;box-shadow:0 0 0 2px #202733}
@media(max-width:850px){header{height:56px;padding:7px 9px}.layout{height:calc(100dvh - 56px);grid-template-columns:56px minmax(0,1fr)}.tools{padding:7px 4px}.tools button{min-height:49px;font-size:18px}.tools small{font-size:8px}.sidebar{top:56px;background:#252e39}.desktop-label{display:none}.top-action{padding:7px 9px}.tag{display:none}.floating-controls{bottom:17px;gap:6px;padding:6px 8px;max-width:calc(100% - 18px)}.floating-controls input{width:clamp(55px,22vw,130px)}.floating-controls button{min-width:35px;height:35px}.status{bottom:78px;left:10px;font-size:10px}}
@media(max-width:420px){header strong{font-size:14px}.brand-icon{width:25px;height:25px}.top-action{padding:7px 8px}.floating-controls{left:50%}}
.tools button[data-tool="transparent"]{color:#a9efff}.tools button[data-tool="transparent"].active{background:#16566a;border-color:#57e3f7}
.layer-opacity-control{display:flex;align-items:center;gap:7px;flex-basis:100%;width:100%;padding:6px 0 2px}.layer-opacity-control label{font-size:11px;white-space:nowrap;opacity:.8}.layer-opacity-control input{min-width:0;flex:1;accent-color:#9d83ff;touch-action:pan-x}.layer-opacity-control output{font-size:11px;min-width:35px;text-align:right}.layer{flex-wrap:wrap}

/* Indicador visual da espessura do pincel no cursor (mouse/caneta). */
.aef-brush-cursor{position:fixed;display:none;z-index:9999;pointer-events:none;box-sizing:border-box;border:1px solid #fff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 1px #111a;background:transparent}

/* Transparência da página afeta somente o papel, nunca as camadas desenhadas. */
.canvas-wrap{background:transparent!important;isolation:isolate}
.canvas-wrap::before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background-color:var(--aef-paper-color,#fff);opacity:var(--aef-page-opacity,1)}
.canvas-wrap.checker::before{background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}

/* Galeria de estilos com amostras desenhadas no proprio canvas. */
.aef-brush-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:8px}
.aef-brush-option{min-width:0;padding:8px 6px;border:1px solid #45475b;border-radius:12px;background:#242633;color:#eee;display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;transition:border-color .18s,background .18s,transform .18s}
.aef-brush-option canvas{display:block;width:100%;height:42px;object-fit:contain;border-radius:6px;background:#f5f5f6}
.aef-brush-option span{font-size:11px;line-height:1.2;text-align:center}
.aef-brush-option.selected{border-color:#ffc28a;box-shadow:inset 0 0 0 1px #ffc28a;background:#3b3440}
.aef-brush-option:hover{transform:translateY(-1px)}

/* Painel compacto e expansivel dos estilos de pincel. */
.aef-brush-accordion{border:1px solid #45475b;border-radius:12px;background:#242633;overflow:hidden}
.aef-brush-accordion>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px;cursor:pointer;user-select:none;font-size:13px;font-weight:600}
.aef-brush-accordion>summary::-webkit-details-marker{display:none}
.aef-brush-accordion>summary small{display:block;font-size:11px;font-weight:400;opacity:.7;margin-top:3px}
.aef-brush-chevron{font-size:20px;transition:transform .2s}
.aef-brush-accordion[open] .aef-brush-chevron{transform:rotate(180deg)}
.aef-brush-accordion .aef-brush-gallery{padding:0 9px 10px;margin-top:0}

/* A galeria completa rola dentro da caixa aberta, sem ultrapassar a tela. */
.aef-brush-accordion[open] .aef-brush-gallery{max-height:min(58vh,440px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;align-content:start;-webkit-overflow-scrolling:touch}
.aef-brush-accordion .aef-brush-option{min-height:80px}
@media(max-width:360px){.aef-brush-gallery{grid-template-columns:minmax(0,1fr)}}

/* As amostras em cache usam imagens leves e mantem a mesma aparencia dos canvas anteriores. */
.aef-brush-option img{display:block;width:100%;height:42px;object-fit:contain;border-radius:6px;background:#f5f5f6}