/* ==================== Vintage Theme - 复古风 ==================== */
[data-theme="vintage"] {
  /* 基础色彩 */
  --bg-primary: #f8f4e8;
  --bg-secondary: #f0e9d8;
  --text-primary: #3d2b1f;
  --text-secondary: #7a6855;
  --border-color: rgba(61,43,31,0.15);
  --header-bg: rgba(248,244,232,0.92);

  /* 强调色 */
  --accent-color: #c9a96e;
  --accent-hover: #b8943f;
  --accent-text: #3d2b1f;
  --accent-glow: rgba(201,169,110,0.4);

  /* 字体 */
  --font-heading: 'Playfair Display', 'Noto Serif SC', serif;
  --font-body: 'Noto Serif SC', serif;

  /* 组件 */
  --tab-radius: 4px;
  --card-radius: 6px;
  --card-hover-shadow: 0 6px 20px rgba(61,43,31,0.15);

  /* 画框公共 */
  --frame-padding: 14px;
  --frame-bg: #f0e9d8;
}

/* ==================== 复古风画框 - 水彩 ==================== */
[data-theme="vintage"] .frame-watercolor {
  padding: 16px;
  background: #f0e9d8;
  border: 3px solid #c9a96e;
  border-radius: 4px;
  box-shadow: 
    inset 0 0 10px rgba(61,43,31,0.08),
    0 4px 16px rgba(61,43,31,0.12);
  position: relative;
}

[data-theme="vintage"] .frame-watercolor::before {
  content: '';
  position: absolute;
  top: 6px; left: 6px; right: 6px; bottom: 6px;
  border: 1px solid rgba(201,169,110,0.3);
  pointer-events: none;
}

/* ==================== 复古风画框 - 素描 ==================== */
[data-theme="vintage"] .frame-sketch {
  padding: 18px;
  background: #ede6d3;
  border: 4px double #8b7355;
  border-radius: 2px;
  box-shadow: 0 3px 12px rgba(61,43,31,0.15);
}

/* ==================== 复古风画框 - 条漫 ==================== */
[data-theme="vintage"] .frame-comic {
  padding: 12px;
  background: #faf5e6;
  border: 2px solid #c9a96e;
  border-radius: 2px;
  box-shadow: 
    2px 2px 0 #c9a96e,
    4px 4px 0 rgba(201,169,110,0.3);
}

/* ==================== 复古风画框 - 油画棒 ==================== */
[data-theme="vintage"] .frame-pastel {
  padding: 18px;
  background: linear-gradient(135deg, #f0e9d8, #e8ddc8);
  border: 5px solid;
  border-image: linear-gradient(135deg, #c9a96e, #a07e3f, #c9a96e) 1;
  border-radius: 0;
  box-shadow: 
    inset 0 0 20px rgba(61,43,31,0.06),
    0 6px 24px rgba(61,43,31,0.15);
}

/* ==================== 复古风画框 - 板绘 ==================== */
[data-theme="vintage"] .frame-digital {
  padding: 12px;
  background: #3d2b1f;
  border: 3px solid #c9a96e;
  border-radius: 2px;
  box-shadow: 
    0 0 0 1px #8b7355,
    0 4px 16px rgba(61,43,31,0.2);
}

/* ==================== 复古风画框 - 处女座 ==================== */
[data-theme="vintage"] .frame-debut {
  padding: 16px;
  background: #f0e9d8;
  border: 2px solid #c9a96e;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(61,43,31,0.1);
  position: relative;
}

[data-theme="vintage"] .frame-debut::before {
  content: '❦';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: #f8f4e8;
  padding: 0 8px;
  color: #c9a96e;
  font-size: 1rem;
}