/* ==================== 基础 · StyleKit 像素艺术风 ==================== */
:root{
  --bg:#1a1c2c;        /* Primary  暗底 */
  --bg2:#24273a;
  --panel:#262b44;     /* 面板 */
  --panel2:#32375a;
  --line:#0a0b14;      /* 硬边框 */
  --ink:#f4f4f4;       /* Secondary 亮 */
  --muted:#8b91b8;
  --red:#ff004d;       /* Accent1 */
  --green:#00e436;     /* Accent2 */
  --blue:#29adff;      /* Accent3 */
  --yellow:#ffec27;    /* Accent4 */
  --pink:#ff77a8;
  --orange:#ffa300;
  --purple:#7e2553;
  --shadow:#0a0b14;    /* 硬边阴影色 */
}
*{box-sizing:border-box; margin:0; padding:0;}
html,body{height:100%;}
body{
  font-family:"ZCOOL KuaiLe","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  image-rendering:pixelated;
}
/* 像素网格底纹 */
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:16px 16px;
}

/* ==================== 像素风通用 ==================== */
.px-btn{
  font-family:"Press Start 2P","ZCOOL KuaiLe",sans-serif;
  font-size:11px;
  color:var(--ink);
  background:var(--panel2);
  border:4px solid var(--line);
  box-shadow:4px 4px 0 var(--shadow);
  padding:10px 12px;
  cursor:pointer;
  text-transform:none;
  letter-spacing:.5px;
  user-select:none;
  /* 像素硬跳变：无平滑过渡 */
  transition:none;
}
.px-btn:hover{
  background:#3b4170;
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--shadow);
}
.px-btn:active{
  transform:translate(2px,2px);
  box-shadow:2px 2px 0 var(--shadow);
  background:#2c3050;
}
.px-btn.small{font-size:9px; padding:8px 9px;}
.px-btn.primary{
  background:var(--red); color:#fff;
  box-shadow:4px 4px 0 var(--shadow);
  text-shadow:2px 2px 0 #40001e;
}
.px-btn.primary:hover{background:#ff2d6f; transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--shadow);}
.px-btn.primary:active{background:#d60040; transform:translate(2px,2px); box-shadow:2px 2px 0 var(--shadow);}
.px-btn.danger{background:var(--purple); color:#ffc9e4;}
.px-btn.danger:hover{background:#97468a;}
.px-btn:disabled{opacity:.4; cursor:not-allowed; transform:none; box-shadow:4px 4px 0 var(--shadow);}
.px-btn.active{
  background:var(--green); color:#063500;
  box-shadow:inset 4px 4px 0 rgba(0,0,0,.25);
}

.px-check{display:inline-flex; align-items:center; gap:6px; font-size:13px; cursor:pointer; color:var(--muted);}
.px-check input{accent-color:var(--green); width:16px; height:16px;}

.px-select{
  font-family:inherit; font-size:13px; color:var(--ink);
  background:var(--panel2); border:4px solid var(--line);
  box-shadow:3px 3px 0 var(--shadow);
  padding:8px; outline:none;
}
.px-label{
  font-family:"Press Start 2P",sans-serif; font-size:9px;
  color:var(--yellow); letter-spacing:.5px;
  display:block; margin-bottom:6px;
}

input[type=number], input[type=search]{
  font-family:inherit; font-size:14px; color:var(--ink);
  background:var(--panel2); border:4px solid var(--line);
  box-shadow:3px 3px 0 var(--shadow);
  padding:8px; outline:none; width:64px; text-align:center;
}
input[type=search]{width:100%; text-align:left;}
input[type=color]{
  width:44px; height:38px; border:4px solid var(--line); padding:2px; background:var(--panel2); cursor:pointer;
}

/* ==================== 顶部 ==================== */
.topbar{
  padding:14px 28px 16px; position:relative; z-index:1;
  border-bottom:4px solid var(--line);
  background:var(--bg2);
  box-shadow:0 4px 0 rgba(0,0,0,.35);
}
.px-strip{
  display:flex; gap:6px; margin-bottom:14px;
}
.px-strip i{
  width:16px; height:10px; background:var(--c,#ff004d);
  box-shadow:2px 2px 0 var(--shadow);
}
.logo{
  display:inline-block;
  font-family:"Press Start 2P",sans-serif; font-size:22px; letter-spacing:2px;
  color:var(--yellow);
  text-shadow:4px 4px 0 var(--shadow);
  animation:pixel-blink 2.4s steps(1) infinite;
  padding:2px 6px;
}
.logo span{color:var(--pink);}
@keyframes pixel-blink{
  0%,62%{opacity:1;}
  63%,78%{opacity:.45;}
  79%,100%{opacity:1;}
}
.subtitle{color:var(--muted); font-size:14px; letter-spacing:1px; margin-top:8px;}

/* ==================== 布局 ==================== */
.layout{
  display:grid;
  grid-template-columns:300px minmax(420px,1fr) 360px;
  gap:18px;
  padding:20px 28px 30px;
  position:relative; z-index:1;
  max-width:1600px; margin:0 auto;
}
@media (max-width:1280px){
  .layout{grid-template-columns:280px 1fr; }
}
@media (max-width:900px){
  .layout{grid-template-columns:1fr;}
}

/* ==================== 面板 ==================== */
.panel{
  background:var(--panel);
  border:4px solid var(--line);
  box-shadow:5px 5px 0 var(--shadow);
  padding:14px;
  margin-bottom:18px;
}
.panel h2{
  font-family:"Press Start 2P",sans-serif;
  font-size:11px; color:var(--yellow);
  letter-spacing:1px;
  margin-bottom:12px;
  display:flex; align-items:center; justify-content:space-between;
  border-bottom:4px double var(--line);
  padding-bottom:10px;
  text-shadow:2px 2px 0 var(--shadow);
}
.panel h2::before{
  content:"▮";
  color:var(--red); margin-right:6px;
}
.panel h2 .cur-info{
  color:var(--pink); font-family:"ZCOOL KuaiLe",sans-serif; font-size:13px;
  letter-spacing:0; text-shadow:none;
}
.panel-col{display:flex; flex-direction:column;}
.tool-row{display:flex; gap:8px; margin-bottom:8px; flex-wrap:wrap; align-items:center;}
.tool-row .px-btn{flex:1;}

/* 调色板 */
.palette{
  display:grid; grid-template-columns:repeat(6,1fr); gap:8px;
}
.swatch{
  position:relative; aspect-ratio:1/1; cursor:pointer;
  border:4px solid var(--line); box-shadow:3px 3px 0 var(--shadow);
  transition:transform .04s;
}
.swatch:hover{transform:scale(1.1); box-shadow:4px 4px 0 var(--shadow);}
.swatch.sel::after{
  content:""; position:absolute; inset:-6px; pointer-events:none;
  border:4px solid var(--yellow); box-shadow:0 0 0 1px var(--line);
}
.swatch.sel::before{
  content:""; position:absolute; right:0; bottom:0; pointer-events:none;
  border:10px solid transparent; border-right:10px solid var(--yellow); border-bottom:10px solid var(--yellow);
}
.swatch .swatch-name{
  position:absolute; left:0; right:0; bottom:0;
  font-size:9px; text-align:center; color:#fff;
  background:rgba(0,0,0,.6); padding:1px 0;
  text-shadow:0 1px 0 #000; white-space:nowrap; overflow:hidden;
}
.custom-color-row{display:flex; gap:8px; margin-top:10px; align-items:center;}
.custom-color-row .px-btn{flex:1;}

/* 尺寸 */
.size-row{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px;}
.size-chip{
  font-family:"Press Start 2P",sans-serif; font-size:9px;
  padding:8px 6px; background:var(--panel2); color:var(--muted);
  border:4px solid var(--line); cursor:pointer;
  box-shadow:2px 2px 0 var(--shadow);
}
.size-chip:hover{color:var(--ink); background:#3b4170; transform:translate(-1px,-1px);}
.size-chip.sel{background:var(--green); color:#063500; box-shadow:inset 2px 2px 0 rgba(0,0,0,.25);}
.custom-size-row{display:flex; gap:8px; align-items:center;}
.custom-size-row span{color:var(--muted);}
.custom-size-row .px-btn{flex:1;}

/* 画布 */
.canvas-panel{display:flex; flex-direction:column; min-height:520px;}
.canvas-toolbar{display:flex; align-items:center; gap:8px; margin-bottom:10px;}
.grid-info{
  font-family:"Press Start 2P",sans-serif; font-size:10px; color:var(--muted);
  flex:1;
}
.canvas-toolbar .px-btn{flex:0 0 auto; width:38px; padding:8px 0;}
.canvas-toolbar #btnZoomFit{width:auto; padding:8px 10px;}
.canvas-wrap{
  flex:1; min-height:0;
  display:flex; align-items:center; justify-content:center;
  background:
    repeating-conic-gradient(#20223a 0% 25%, #23263f 0% 50%) 0 0 / 16px 16px;
  border:4px solid var(--line);
  box-shadow:5px 5px 0 var(--shadow), inset 0 0 0 4px #0e1020;
  padding:14px;
  overflow:auto;
}
#board{
  image-rendering:pixelated;
  background:#fff;
  border:4px solid var(--line);
  box-shadow:5px 5px 0 var(--shadow);
  cursor:crosshair;
  touch-action:none;
}

/* 图例 */
.stats-head{
  display:flex; justify-content:space-between; font-size:13px;
  color:var(--muted); margin-bottom:10px;
}
.stats-head span:first-child{color:var(--green);}
.legend{max-height:260px; overflow:auto; display:flex; flex-direction:column; gap:6px;}
.legend-row{
  display:flex; align-items:center; gap:8px;
  background:var(--panel2); border:3px solid var(--line);
  box-shadow:2px 2px 0 rgba(0,0,0,.4);
  padding:5px 8px; font-size:13px;
}
.legend-row .lsw{width:22px; height:22px; border:3px solid var(--line); flex:0 0 auto;}
.legend-row .lname{flex:1; color:var(--ink);}
.legend-row .lcount{font-family:"Press Start 2P",sans-serif; font-size:10px; color:var(--yellow);}

/* Tab */
.tab-row{display:flex; gap:8px; margin-bottom:10px;}
.tab{
  flex:1; padding:9px 4px; cursor:pointer;
  font-family:"Press Start 2P",sans-serif; font-size:9px;
  background:var(--panel2); color:var(--muted);
  border:4px solid var(--line); box-shadow:3px 3px 0 var(--shadow);
}
.tab:hover{color:var(--ink); background:#3b4170;}
.tab.active{background:var(--red); color:#fff; text-shadow:1px 1px 0 #40001e;}
.tab-row.sub .tab{flex:1;}
.hidden{display:none !important;}
.hint{color:var(--muted); font-size:13px; line-height:1.7; margin-top:6px;}
.hint.small{font-size:11px;}

/* 图片 */
.dropzone{
  border:4px dashed var(--line); background:var(--panel2);
  padding:24px 12px; text-align:center; color:var(--muted);
  margin-bottom:10px; line-height:1.8; cursor:pointer;
}
.dropzone.over{background:#3b4170; color:var(--ink); border-style:solid; border-color:var(--yellow);}
.img-preview{margin-top:10px; text-align:center; display:none;}
.img-preview img{max-width:100%; max-height:180px; border:4px solid var(--line); image-rendering:pixelated; background:#fff; box-shadow:3px 3px 0 var(--shadow);}

/* Emoji */
.emoji-search-row{display:flex; gap:8px; margin-bottom:8px;}
.emoji-search-row .px-btn{flex:0 0 auto;}
.emoji-cats{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:10px;}
.echip{
  font-size:12px; padding:4px 8px; cursor:pointer;
  background:var(--panel2); border:3px solid var(--line); color:var(--muted);
  box-shadow:2px 2px 0 rgba(0,0,0,.4);
}
.echip:hover{color:var(--ink); background:#3b4170;}
.echip.active{background:var(--green); color:#063500; box-shadow:inset 2px 2px 0 rgba(0,0,0,.25);}
.emoji-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(44px,1fr));
  gap:6px; max-height:300px; overflow:auto; padding:4px;
}
.emoji-item{
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
  background:var(--panel2); border:3px solid var(--line);
  box-shadow:2px 2px 0 rgba(0,0,0,.4);
  cursor:pointer; padding:2px;
}
.emoji-item img{width:100%; height:100%; object-fit:contain; image-rendering:pixelated;}
.emoji-item:hover{border-color:var(--yellow); transform:translate(-2px,-2px); box-shadow:4px 4px 0 rgba(0,0,0,.5);}
.emoji-item .sys{font-size:24px; line-height:1;}
.emoji-item.broken{opacity:.4; cursor:not-allowed;}

/* 预设列表 */
.tpl-list{display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:10px; max-height:340px; overflow:auto;}
.tpl-card{
  border:4px solid var(--line); background:var(--panel2);
  box-shadow:3px 3px 0 var(--shadow);
  padding:8px; cursor:pointer; text-align:center;
}
.tpl-card canvas{width:100%; height:auto; image-rendering:pixelated; background:#fff; display:block; border:3px solid var(--line);}
.tpl-card .tname{font-size:12px; margin-top:6px; color:var(--ink);}
.tpl-card:hover{border-color:var(--yellow); transform:translate(-2px,-2px); box-shadow:5px 5px 0 var(--shadow);}

/* 页脚 */
.foot{
  text-align:center; color:var(--muted); font-size:12px;
  padding:14px; border-top:4px solid var(--line);
  background:var(--bg2); position:relative; z-index:1;
}

/* 滚动条 */
::-webkit-scrollbar{width:12px; height:12px;}
::-webkit-scrollbar-track{background:var(--bg2); border-left:4px solid var(--line);}
::-webkit-scrollbar-thumb{background:var(--panel2); border:3px solid var(--line); box-shadow:2px 2px 0 var(--shadow);}

/* ==================== 打印窗口 ==================== */
.print-win{text-align:center; padding:20px; font-family:system-ui,sans-serif;}
.print-win h1{font-size:18px; margin-bottom:14px;}
.print-win img{max-width:100%;}
.print-win .note{color:#555; font-size:12px; margin-top:10px;}

@media (prefers-reduced-motion: reduce){
  .logo{animation:none;}
}