/* ==========================================================================
   Louvano 冷色调品牌层
   只覆盖 gozney theme.css 的 :root 颜色变量, 不动任何结构/字体/间距。
   暖奶白系 → 冷板岩系; 主色 = Night Slate #172735 (品牌系统 v0.2)。
   所有 theme-* 皮肤类都由变量驱动, 改 :root 即全站生效。
   ========================================================================== */

:root {
  /* 中性色阶: 暖灰 → 冷灰 (亮度不变, 只去黄加蓝) */
  --color-neutral-100: #f7f8fa;            /* was #f9f8f5 奶白 */
  --color-neutral-100-rgb: 247, 248, 250;
  --color-neutral-200: #edf0f4;            /* was #f5f4ef */
  --color-neutral-200-rgb: 237, 240, 244;
  --color-neutral-300: #dfe4e9;            /* was #e4e4e1 */
  --color-neutral-300-rgb: 223, 228, 233;
  --color-neutral-400: #c2c9d0;            /* was #cbcbcb */
  --color-neutral-400-rgb: 194, 201, 208;
  --color-neutral-500: #6e757c;            /* was #727272 */
  --color-neutral-500-rgb: 110, 117, 124;
  --color-neutral-600: #5c646c;            /* was #636363 */
  --color-neutral-600-rgb: 92, 100, 108;
  --color-neutral-700: #38414a;            /* was #3b3e40 */
  --color-neutral-700-rgb: 56, 65, 74;
  --color-neutral-800: #222b33;            /* was #272c32 */
  --color-neutral-800-rgb: 34, 43, 51;
  --color-neutral-900: #172735;            /* Night Slate, was #171717 */
  --color-neutral-900-rgb: 23, 39, 53;

  /* 品牌主色: Night Slate */
  --color-primary: #172735;
  --color-primary-rgb: 23, 39, 53;
  --color-primary-100: #f7f8fa;
  --color-primary-100-rgb: 247, 248, 250;
  --color-primary-200: #edf0f4;
  --color-primary-200-rgb: 237, 240, 244;
  --color-primary-300: #dfe4e9;
  --color-primary-300-rgb: 223, 228, 233;
  --color-primary-400: #c2c9d0;
  --color-primary-400-rgb: 194, 201, 208;
  --color-primary-500: #172735;
  --color-primary-500-rgb: 23, 39, 53;
  --color-primary-600: #5c646c;
  --color-primary-600-rgb: 92, 100, 108;

  /* 辅色: 灰绿 sage → 冷板岩蓝 */
  --color-secondary: #4c6174;
  --color-secondary-rgb: 76, 97, 116;
  --color-accent-200: #4c6174;
  --color-accent-200-rgb: 76, 97, 116;
  --color-accent-100: #b3bfc9;             /* was 暖 tan #c5bcac */
  --color-accent-100-rgb: 179, 191, 201;

  /* 文字/边框/输入 */
  --color-text-primary: #222b33;
  --color-text-primary-rgb: 34, 43, 51;
  --color-border: #c2c9d0;
  --color-border-rgb: 194, 201, 208;
  --color-border-negative: #f7f8fa;
  --color-border-negative-rgb: 247, 248, 250;
  --color-input-border: #222b33;
  --color-input-border-rgb: 34, 43, 51;
  --color-input-border-negative: #dfe4e9;
  --color-input-border-negative-rgb: 223, 228, 233;
  --color-focus: #172735;
  --color-focus-rgb: 23, 39, 53;
  --color-fill-focus: #f7f8fa;
  --color-fill-focus-rgb: 247, 248, 250;
  --color-default-alert: #edf0f4;
  --color-default-alert-rgb: 237, 240, 244;

  /* 按钮/表单里写死的近黑 rgba → Night Slate rgba */
  --button-background-primary-hover: rgba(23, 39, 53, 0.7);
  --button-box-shadow-focus: 0 0 0 3px rgba(23, 39, 53, 0.3);
  --input-outline-focus-rgba: rgba(23, 39, 53, 0.3);
  --input-radio-hover: rgba(23, 39, 53, 0.3);

  /* 滚动条 */
  --color-scrollbar-handle: #172735;
  --color-scrollbar-handle-rgb: 23, 39, 53;
  --color-scrollbar-track: #dfe4e9;
  --color-scrollbar-track-rgb: 223, 228, 233;

  /* 促销橙 → 冷青 (页面已删促销徽章, 保底) */
  --color-orange: #2e6e8c;
  --color-orange-rgb: 46, 110, 140;
}

/* theme.css 里唯一写死的暖色: 浅灰皮肤的次背景 #f2f0eb */
.theme-light-gray {
  --background-secondary: #e6eaef;
}