#tool-body {
  --primary: #16baaa;
  --card-bg: #fff;
  --card-border: #e8e8e8;
  --text-color: #333;
  --label-color: #666;
  --input-bg: #f5f5f5;
  --swatch-border: rgba(0,0,0,0.1);
  --copy-hover: rgba(22,186,170,0.08);
}
.theme-dark-mode #tool-body {
  --card-bg: #2d2d2d;
  --card-border: #3d3d3d;
  --text-color: #eee;
  --label-color: #aaa;
  --input-bg: #383838;
  --swatch-border: rgba(255,255,255,0.12);
}

#tool-body .cc-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}
#tool-body .cc-col-left { width: 40%; flex-shrink: 0; }
#tool-body .cc-col-right { flex: 1; min-width: 280px; }
#tool-body .cc-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 18px;
}

/* 预览色块（棋盘格衬底） */
#tool-body .cc-preview {
  width: 100%;
  height: 100px;
  border-radius: 6px;
  margin-bottom: 14px;
  border: 1px solid var(--card-border);
  background-image: linear-gradient(45deg,#ccc 25%,transparent 25%),
    linear-gradient(-45deg,#ccc 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#ccc 75%),
    linear-gradient(-45deg,transparent 75%,#ccc 75%);
  background-size: 12px 12px;
  background-position: 0 0,0 6px,6px -6px,-6px 0;
  position: relative;
  overflow: hidden;
}
#tool-body .cc-preview-inner {
  position: absolute; inset: 0;
  border-radius: 6px;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  font-family: monospace;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 0 7px black;
}

/* 取色器行：色块 div + 旁边展示输入框 */
#tool-body .cc-picker-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
#tool-body .cc-picker-lbl {
  font-size: 13px;
  color: var(--label-color);
  white-space: nowrap;
}
/* colorpicker 渲染出来的色块容器 */
#tool-body #cc-picker-div {
  flex-shrink: 0;
}
#tool-body .cc-picker-hex {
  flex: 1;
  border: 1px solid var(--card-border);
  border-radius: 5px;
  background: var(--input-bg);
  color: var(--text-color);
  padding: 5px 8px;
  font-size: 13px;
  font-family: monospace;
  outline: none;
  pointer-events: none; /* 只读展示，不可点 */
}

/* 色板 */
#tool-body .cc-sec-title {
  font-size: 11px; font-weight: 700;
  color: var(--label-color);
  text-transform: uppercase; letter-spacing: 0.6px;
  margin-bottom: 8px;
}
#tool-body .cc-swatches { display: flex; flex-wrap: wrap; gap: 6px; }
#tool-body .cc-sw {
  width: 28px; height: 28px;
  border-radius: 5px; cursor: pointer;
  border: 2px solid var(--swatch-border);
  transition: transform 0.12s, box-shadow 0.12s;
  flex-shrink: 0;
}
#tool-body .cc-sw:hover { transform: scale(1.15); }
#tool-body .cc-sw.active {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary);
}
.theme-dark-mode #tool-body .cc-sw.active {
  box-shadow: 0 0 0 2px #2d2d2d, 0 0 0 4px var(--primary);
}

#tool-body .cc-divider {
  border: none; border-top: 1px solid var(--card-border); margin: 14px 0;
}

/* 格式行 */
#tool-body .cc-fmt-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
#tool-body .cc-fmt-tag {
  font-size: 11px; font-weight: 700;
  color: var(--primary); min-width: 52px; letter-spacing: 0.5px;
}
#tool-body .cc-fmt-input {
  flex: 1; min-width: 0;
  /*   background: var(--input-bg); */
  border: 1px solid var(--card-border);
  border-radius: 5px; padding: 6px 10px;
  font-size: 13px; font-family: monospace;
  color: var(--text-color); outline: none;
  transition: border-color 0.15s; box-sizing: border-box;
}
#tool-body .cc-fmt-input:focus { border-color: var(--primary); }
#tool-body .cc-fmt-input[readonly] { cursor: not-allowed; background: var(--input-bg); }

/* 多通道 */
#tool-body .cc-chs { flex: 1; min-width: 0; display: flex; gap: 5px; }
#tool-body .cc-ch { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 2px; }
#tool-body .cc-ch-lbl { font-size: 10px; color: var(--label-color); }
#tool-body .cc-ch-inp {
  width: 100%; 
  /*   background: var(--input-bg); */
  border: 1px solid var(--card-border); border-radius: 5px;
  padding: 6px 2px; font-size: 13px; font-family: monospace;
  color: var(--text-color); outline: none; text-align: center;
  transition: border-color 0.15s; box-sizing: border-box;
}
#tool-body .cc-ch-inp:focus { border-color: var(--primary); }

/* 复制按钮 */
#tool-body .cc-copy {
  background: none; border: none; cursor: pointer;
  color: var(--label-color); padding: 5px 7px;
  border-radius: 4px; font-size: 14px; flex-shrink: 0;
  transition: color 0.12s, background 0.12s;
}
#tool-body .cc-copy:hover { color: var(--primary); background: var(--copy-hover); }

/* Alpha */
#tool-body .cc-alpha-hd {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--label-color); margin-bottom: 8px;
}
#tool-body .cc-alpha-val { font-weight: 700; font-family: monospace; color: var(--primary); }
#tool-body #cc-alpha-slider { height: 28px; }

@media (max-width: 600px) {
  #tool-body .cc-col-left { width: 100%; }
  #tool-body .cc-col-right { min-width: 100%; }
}