/* ============ removebg.pysano.it — dark, clean, responsive ============ */
:root{
  --bg:#0f1115; --bg2:#15181e; --panel:#171b22; --panel2:#1c212a;
  --line:#262c37; --line2:#2c333f;
  --fg:#e8ecf2; --mut:#9aa5b5; --dim:#66707f;
  --acc:#5b8cff; --acc2:#8ab0ff; --onacc:#0b1020;
  --good:#3ecf8e; --ok:#57b6ff;
  --r:14px; --rad:#101113;
  --check-a:#23272f; --check-b:#2e333d;
  --shadow:0 10px 34px rgba(0,0,0,.45);
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Ubuntu,sans-serif;
  -webkit-font-smoothing:antialiased; overscroll-behavior:none;
}
.hidden{display:none !important}
button{font:inherit; cursor:pointer; color:inherit; background:none; border:none; padding:0}
kbd{background:var(--panel2); border:1px solid var(--line2); border-bottom-width:2px; border-radius:6px; padding:0 6px; font-size:12px}

/* Material Symbols */
.ms{
  font-family:"Material Symbols Outlined"; font-weight:normal; font-style:normal;
  display:inline-block; line-height:1; letter-spacing:normal; text-transform:none;
  white-space:nowrap; word-wrap:normal; direction:ltr; -webkit-font-feature-settings:"liga";
  font-feature-settings:"liga"; user-select:none; vertical-align:-0.16em;
}
@font-face{
  font-family:"Material Symbols Outlined";
  src:url("material-symbols-outlined.woff2") format("woff2-variations");
  font-weight:100 700; font-style:normal; font-display:swap;
}

/* ---------- App bar ---------- */
.appbar{
  position:sticky; top:0; z-index:20; display:flex; align-items:center; gap:14px;
  padding:12px max(16px,env(safe-area-inset-left)); padding-right:max(16px,env(safe-area-inset-right));
  background:color-mix(in srgb,var(--bg) 88%,transparent); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line); height:60px;
}
.brand{display:flex; align-items:center; gap:11px; min-width:0}
.brand-logo{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--acc),#3e6ee8); color:#fff; font-size:21px;
  box-shadow:0 4px 14px rgba(91,140,255,.35);
}
.brand-text h1{margin:0; font-size:18px; font-weight:700; letter-spacing:.2px; line-height:1.1}
.brand-sub{font-size:11.5px; color:var(--mut)}
.spacer{flex:1}
.privacy-badge{
  display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--good);
  background:color-mix(in srgb,var(--good) 9%,transparent); border:1px solid color-mix(in srgb,var(--good) 30%,transparent);
  padding:7px 12px; border-radius:999px; white-space:nowrap;
}
.privacy-badge .ms{font-size:17px}
.privacy-badge b{color:#58e5a4}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border-radius:11px; padding:11px 16px; font-weight:600; font-size:14px;
  transition:transform .08s ease, background .15s ease, border-color .15s ease, box-shadow .15s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn .ms{font-size:19px}
.btn.primary{background:linear-gradient(135deg,var(--acc),#3e6ee8); color:#fff; box-shadow:0 7px 20px rgba(62,110,232,.32)}
.btn.primary:hover{box-shadow:0 9px 26px rgba(62,110,232,.44)}
.btn.ghost{background:var(--panel2); border:1px solid var(--line2)}
.btn.ghost:hover{border-color:var(--acc)}
.btn.flat{background:transparent; border:1px solid var(--line2)}
.btn.flat:hover{border-color:var(--line)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5; cursor:not-allowed}

/* ---------- Dropzone ---------- */
.dropzone{max-width:720px; margin:56px auto 20px; padding:0 18px; display:flex; flex-direction:column; gap:18px}
.drop-inner{
  border:2px dashed var(--line2); border-radius:22px; padding:58px 26px 46px; text-align:center;
  background:linear-gradient(180deg,var(--bg2),var(--bg)); transition:border-color .18s, background .18s;
}
.dropzone.dragging .drop-inner{border-color:var(--acc); background:color-mix(in srgb,var(--acc) 7%,var(--bg2)); transform:scale(1.005)}
.drop-ico{font-size:54px; color:var(--acc2); margin-bottom:8px}
.drop-inner h2{margin:0 0 6px; font-size:21px}
.drop-inner p{margin:0 0 10px; color:var(--mut)}
.format-hint{font-size:12px; color:var(--dim); letter-spacing:1px; text-transform:uppercase; margin-bottom:22px}
.drop-note{
  display:flex; gap:11px; padding:14px 16px; border-radius:14px; color:var(--mut); font-size:13px;
  background:var(--panel); border:1px solid var(--line);
}
.drop-note .ms{color:var(--good); flex:none; font-size:19px; margin-top:1px}
.drop-note b{color:var(--fg)}

/* ---------- Editor layout ---------- */
.editor{display:grid; grid-template-columns:236px minmax(0,1fr) 272px; gap:14px; padding:14px; height:calc(100dvh - 60px)}
aside{border:1px solid var(--line); border-radius:var(--r); background:var(--panel)}

/* Toolbar */
.toolbar{display:flex; flex-direction:column; gap:16px; padding:14px; overflow:auto}
.tool-group{display:grid; grid-template-columns:repeat(3,1fr); gap:8px}
.tool{
  display:flex; flex-direction:column; align-items:center; gap:4px; padding:9px 4px;
  border-radius:11px; border:1px solid var(--line2); background:var(--panel2); font-size:10.5px; color:var(--mut);
}
.tool .ms{font-size:21px}
.tool.active{border-color:var(--acc); color:var(--fg); background:color-mix(in srgb,var(--acc) 13%,var(--panel2))}
.tool:hover{border-color:var(--acc)}
.ctl{display:grid; grid-template-columns:1fr auto; align-items:center; gap:4px 12px}
.ctl-title{grid-column:1/-1; display:flex; align-items:center; gap:7px; font-size:12.5px; color:var(--mut); font-weight:600}
.ctl-title .ms{font-size:17px; color:var(--acc2)}
.ctl input[type=range]{grid-column:1/-1; width:100%; accent-color:var(--acc); margin:2px 0}
.val{font-size:12px; color:var(--mut); font-variant-numeric:tabular-nums}
.zoom-ctl{gap:8px}
.zoom-btns{display:flex; gap:6px}
.iconb{width:33px;height:31px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:9px;background:var(--panel2);font-size:15px}
.iconb:hover{border-color:var(--acc)}
.zoom-ctl .val{justify-self:end}
.btn.flat.block{justify-content:flex-start}

/* Stage & viewport */
.stage{display:flex; flex-direction:column; gap:10px; min-height:0; position:relative}
.viewport{
  flex:1; min-height:0; border-radius:var(--r); position:relative; overflow:hidden;
  background:var(--rad); border:1px solid var(--line);
  touch-action:none; cursor:grabbing; user-select:none;
}
.viewport .toolbr-ctrl{cursor:crosshair}
#view{position:absolute; inset:0; width:100%; height:100%; display:block}
.brush-cursor{position:absolute; border:1.5px solid var(--fg); border-radius:50%; pointer-events:none; z-index:5;
  box-shadow:0 0 0 1px rgba(0,0,0,.6), inset 0 0 0 1px rgba(0,0,0,.6); mix-blend-mode:difference}
.busy{position:absolute; inset:0; z-index:9; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
  background:color-mix(in srgb,var(--bg) 82%,transparent); backdrop-filter:blur(6px); color:var(--mut); font-size:14px}
.spinner{width:40px;height:40px;border-radius:50%;border:3px solid var(--line2);border-top-color:var(--acc);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hint{font-size:12px; color:var(--dim); text-align:center; padding:0 8px}

/* Panel */
.panel{display:flex; flex-direction:column; gap:14px; padding:14px; overflow:auto}
.panel-block{padding:14px; border:1px solid var(--line); border-radius:12px; background:var(--panel2)}
.panel-block h3{margin:0 0 12px; display:flex; align-items:center; gap:8px; font-size:13.5px; color:var(--fg)}
.panel-block h3 .ms{font-size:18px; color:var(--acc2)}
.segmented{display:grid; grid-template-columns:repeat(4,1fr); gap:5px; margin:8px 0 4px}
.seg{display:flex; align-items:center; justify-content:center; gap:6px; padding:8px 2px; border-radius:9px; border:1px solid var(--line2); background:var(--panel); font-size:12px; color:var(--mut)}
.seg.active{border-color:var(--acc); color:var(--fg); background:color-mix(in srgb,var(--acc) 14%,var(--panel))}
.sw{width:12px;height:12px;border-radius:3px;display:inline-block;border:1px solid var(--line2);flex:none}
.sw-white{background:#fff}.sw-black{background:#000}
#customColor{width:100%;height:34px;border:1px solid var(--line2);border-radius:9px;background:var(--panel);margin-top:8px;padding:2px}
.dl-btns{display:flex; flex-direction:column; gap:8px; margin-top:12px}
.info-block dl{margin:0; display:grid; grid-template-columns:70px 1fr; gap:8px 10px; font-size:12.5px}
.info-block dt{color:var(--acc2); font-weight:600}
.info-block dd{margin:0; color:var(--mut)}

/* ---------- Responsive ---------- */
@media (max-width:1060px){
  .editor{grid-template-columns:200px minmax(0,1fr) 232px}
}
@media (max-width:900px){
  .editor{grid-template-columns:minmax(0,1fr) 232px; grid-template-rows:1fr auto; height:calc(100dvh - 60px)}
  .toolbar{grid-column:2; grid-row:1/-1; flex-direction:column}
  .stage{grid-column:1; grid-row:1}
  .panel{grid-column:2; grid-row:2}
}
@media (max-width:680px){
  .appbar .privacy-badge span b,.appbar .privacy-badge span{display:none}
  .appbar .privacy-badge .ms{display:inline} 
  .appbar .privacy-badge{width:34px;height:34px;padding:0;justify-content:center}
  .brand-sub{display:none}
  .editor{display:flex; flex-direction:column; height:calc(100dvh - 60px); gap:10px; padding:10px}
  .stage{flex:1; min-height:0}
  aside{width:100%}
  .toolbar{
    flex-direction:row; align-items:center; overflow-x:auto; gap:12px; padding:10px; flex:none;
    border-radius:13px;
  }
  .tool-group{grid-template-columns:repeat(3,auto); gap:6px; flex:none}
  .tool{flex-direction:row; gap:5px; padding:8px 10px; font-size:0}
  .tool .ms{font-size:19px}
  .tool-label{display:none}
  .ctl{display:none}
  .zoom-ctl{order:2; display:flex; flex-direction:row; align-items:center; gap:8px; margin-left:auto; flex:none}
  .zoom-ctl .ctl-title{display:none}
  .zoom-btns{gap:5px}
  .toolbar .btn.flat.block{display:none}
  .panel{flex-direction:row; flex:none; overflow:visible}
  .panel-block.export-block{flex:1}
  .panel-block.info-block{display:none}
  .dl-btns{flex-direction:row}
  .drop-zone{margin-top:30px}
}
@media (max-width:420px){
  .appbar h1{font-size:16px}
  .download-btns{flex-direction:column}
}