/* Shape Maker — styles.css (dark sidebar + page canvas)
 * Notes:
 * - Drawing colors remain "black on white" (render.js controls that).
 * - UI is dark; canvas area is neutral.
 */

:root{
  --bg: #0f1216;
  --panel: #121821;
  --panel2: #0e141c;
  --fg: #e8eef6;
  --muted: #9aa7b5;
  --line: rgba(255,255,255,.10);
  --line2: rgba(255,255,255,.16);
  --accent: #00aaff;
  --btn: rgba(255,255,255,.06);
  --btnHover: rgba(255,255,255,.10);
  --btnActive: rgba(0,170,255,.20);
  --radius: 12px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--fg);
}

.app{
  height: calc(100% - 44px);
  display:flex;
}

/* Sidebar */
.sidebar{
  width: 260px;
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  border-right: 1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding: 12px;
  gap: 10px;
}

.brand{display:flex; flex-direction:column; gap:2px; padding: 6px 6px 10px 6px;}
.brand__title{font-weight:700; letter-spacing:.2px; font-size:14px;}
.brand__subtitle{color:var(--muted); font-size:12px;}

.sidebar__section{display:flex; flex-direction:column; gap:10px; padding:10px 6px; border-top:1px solid var(--line);}
.sidebar__section:first-of-type{border-top:none;}
.sidebar__spacer{flex:1;}

.toolrow{display:flex; gap:10px; align-items:center;}

.btn{
  border:1px solid var(--line);
  background:var(--btn);
  color:var(--fg);
  padding:10px 10px;
  border-radius: 12px;
  cursor:pointer;
  font-size: 13px;
  line-height:1;
  user-select:none;
}
.btn:hover{background:var(--btnHover); border-color: var(--line2);}
.btn:active{transform: translateY(1px);}
.btn--file{position:relative; overflow:hidden;}
.btn--file input{position:absolute; inset:0; opacity:0; cursor:pointer;}

.btn--tool{
  width: 52px;
  height: 52px;
  display:grid;
  place-items:center;
  font-size: 20px;
}

.btn--icon{width: 44px; height: 44px; display:grid; place-items:center; font-size:16px;}
.btn--wide{width:100%; text-align:left; padding:10px 12px;}

.btn--active{
  border-color: rgba(0,170,255,.65);
  background: var(--btnActive);
}

.ctl{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  border-radius: 12px;
  font-size:12px;
}
.ctl__label{color:var(--muted); min-width: 52px;}
.ctl__value{min-width:24px; text-align:right; color:var(--fg);}
.ctl input[type="range"]{width: 120px;}

.ctl--check{ justify-content:space-between; }
.ctl--check input[type="checkbox"]{ transform: translateY(1px); }

/* Minimap block */
.sidebar__section--minimap{gap:8px;}
.minimap__frame{position:relative; align-self:center;}
.minimap{
  border:1px solid var(--line2);
  border-radius: 10px;
  background:#fff;
  display:block;
}

.mm{
  position:absolute;
  width: 22px;
  height: 22px;
  border-radius: 8px;
  border:1px solid var(--line2);
  background: rgba(0,0,0,.65);
  color: var(--fg);
  cursor:pointer;
  font-size: 14px;
  line-height: 20px;
  padding:0;
}
.mm:hover{background: rgba(0,0,0,.80);}

.mm--top{left: 50%; transform: translateX(-70%); top:-26px;}
.mm--top2{left: 50%; transform: translateX(10%); top:-26px;}

.mm--bottom{left: 50%; transform: translateX(-70%); bottom:-26px;}
.mm--bottom2{left: 50%; transform: translateX(10%); bottom:-26px;}

.mm--left{left:-26px; top:50%; transform: translateY(-70%);}
.mm--left2{left:-26px; top:50%; transform: translateY(10%);}

.mm--right{right:-26px; top:50%; transform: translateY(-70%);}
.mm--right2{right:-26px; top:50%; transform: translateY(10%);}

.zoomrow{display:flex; gap:10px; justify-content:center;}

/* Main stage */
.stage{flex:1; display:flex;}
.viewport{
  position:relative;
  flex:1;
  overflow:hidden;
  background:#0b0d10;
}
#canvas{
  width:100%;
  height:100%;
  display:block;
}

.hint{
  position:absolute;
  left:12px;
  top:12px;
  padding:8px 10px;
  border:1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  background: rgba(15,18,22,.85);
  font-size:12px;
  color: var(--muted);
  max-width:min(560px, calc(100% - 24px));
  display:none;
}

/* Footer */
.footer{
  height:44px;
  border-top:1px solid var(--line);
  background: var(--panel2);
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding: 0 14px;
  font-size:12px;
  color: var(--muted);
}
.footer__right{color:var(--fg);}