/* sidebar.css */

/* ============================================================
   SIDEBAR
   ============================================================ */
.shape-sidebar{
  display:flex;flex-direction:column;gap:6px;padding:8px;
  background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 8px 24px rgba(0,0,0,.25);
  flex-shrink:0;align-self:stretch;
  max-height:100%;overflow-y:auto;overflow-x:hidden;
  scrollbar-width:thin;scrollbar-color:rgba(var(--neon-rgb),.25) transparent;
  position:relative;
}
.shape-sidebar::-webkit-scrollbar{width:4px}
.shape-sidebar::-webkit-scrollbar-thumb{background:rgba(var(--neon-rgb),.25);border-radius:var(--radius-pill)}

.sidebar-tools,.sidebar-shapes,.sidebar-extra{display:flex;flex-direction:column;gap:6px;align-items:center;flex-shrink:0}
.sidebar-colors{
  margin-top:auto;padding-top:8px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:center;flex-shrink:0;
  position:sticky;bottom:0;
  background:var(--panel-bg);
  z-index:3;
}
.sidebar-colors::before{
  content:'';
  position:absolute;
  left:0; right:0;
  top:-40px;
  bottom:100%;
  background:linear-gradient(to bottom, transparent, var(--panel-bg) 80%);
  pointer-events:none;
  z-index:-1;
}

.shape-side-btn{
  width:36px;height:36px;border-radius:9px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  color:var(--text-main);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;flex-shrink:0;-webkit-tap-highlight-color:transparent;
}
.shape-side-btn:hover{background:rgba(var(--neon-rgb),.2);border-color:var(--neon-border);transform:scale(1.05)}
.shape-side-btn:active{transform:scale(.95)}
.shape-side-btn.active-edit{background:var(--neon);border-color:var(--neon);color:#fff;box-shadow:0 0 12px var(--neon-glow)}
.shape-side-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.shape-side-sep{width:100%;height:1px;background:rgba(255,255,255,.08);margin:4px 0;flex-shrink:0}

/* SPLIT */
.split-btn{position:relative;flex-shrink:0;width:36px;height:36px}
.split-btn .split-main{
  width:36px;height:36px;border-radius:9px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  color:var(--text-main);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;-webkit-tap-highlight-color:transparent;padding:0;
}
.split-btn .split-main:hover{background:rgba(var(--neon-rgb),.2);border-color:var(--neon-border)}
.split-btn .split-main:active{transform:scale(.95)}
.split-btn .split-main.active-edit{background:var(--neon);border-color:var(--neon);color:#fff;box-shadow:0 0 12px var(--neon-glow)}
.split-btn .split-main svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;pointer-events:none}
.split-caret{position:absolute;bottom:0;right:0;width:14px;height:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:0 0 9px 0;transition:background .15s;z-index:2}
.split-caret::before{content:'';width:0;height:0;border-left:5px solid transparent;border-bottom:5px solid rgba(255,255,255,.55);transition:border-color .15s}
.split-caret:hover{background:rgba(var(--neon-rgb),.45)}
.split-caret:hover::before{border-bottom-color:#fff}

/* DRAW SWATCH */
.draw-color-stack{position:relative;width:26px;height:26px;display:block}
.draw-color-swatch{position:absolute;width:18px;height:18px;border-radius:3px;border:1.5px solid rgba(255,255,255,.85);box-shadow:0 0 0 1px rgba(0,0,0,.55);transition:transform .15s}
.draw-color-fill{top:0;left:0;background:#222;z-index:1}
.draw-color-stroke{bottom:0;right:0;background:#e11d48;z-index:2}
.draw-color-swatch.transparent{background:linear-gradient(45deg,#333 25%,transparent 25%,transparent 75%,#333 75%),linear-gradient(45deg,#333 25%,#222 25%,#222 75%,#333 75%),#222;background-size:6px 6px;background-position:0 0,3px 3px}