/* 工具铺子 - 公共样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #F5A623;
  --primary-dark: #D4801A;
  --primary-light: #FFF5E6;
  --text: #1a1a2e;
  --text-light: #666;
  --bg: #fff;
  --bg-soft: #f8f9fb;
  --bg-tint1: #FFFAF5;
  --bg-tint2: #F5FAFF;
  --border: #e5e7eb;
  --code-bg: #1a1a2e;
  --success: #4ADE80;
  --danger: #ef4444;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header, .breadcrumb { flex-shrink: 0; }
.container { flex: 1 0 auto; max-width: 1200px; width: 100%; margin: 0 auto; }
.footer { flex-shrink: 0; margin-top: auto; }

a { color: var(--text); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary); }

/* 顶部 */
.header {
  background: #1a1a2e; padding: 20px 36px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 2px solid var(--primary);
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 50px; height: 50px; border-radius: 50%;
  border: 2.5px solid var(--primary); background: rgba(245,166,35,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 22px; line-height: 1;
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji","Twemoji Mozilla",sans-serif;
}
.logo-divider { width: 1px; height: 40px; background: rgba(245,166,35,0.4); }
.logo-text { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.logo-domain { font-size: 13px; color: #888; font-family: monospace; margin-top: 2px; }
.nav { display: flex; gap: 22px; font-size: 16px; }
.nav a { color: #aaa; padding: 8px 14px; border-radius: 6px; transition: all 0.15s; }
.nav a:hover { background: rgba(255,255,255,0.08); color: var(--primary); }

/* 面包屑 */
.breadcrumb {
  padding: 12px 36px; background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); font-weight: 500; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb a::before { content: ''; margin-right: 4px; }

/* 主体 */
.container { max-width: 1500px; margin: 0 auto; padding: 52px 36px; }
.page-title { font-size: 28px; margin-bottom: 12px; color: var(--text); }
.page-desc { color: var(--text-light); margin-bottom: 36px; font-size: 16px; }

/* 工具卡片 */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; margin-top: 30px; }
.tool-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 22px;
  background: var(--bg); transition: all 0.2s ease; cursor: pointer;
  position: relative; overflow: hidden;
}
.tool-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary); transform: scaleX(0);
  transition: transform 0.2s ease; transform-origin: left;
}
.tool-card:hover { border-color: var(--primary); box-shadow: 0 6px 20px rgba(245,166,35,0.12); transform: translateY(-3px); }
.tool-card:hover::before { transform: scaleX(1); }
.tool-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--primary-light); display: flex;
  align-items: center; justify-content: center;
  margin-bottom: 12px; font-size: 22px; color: var(--primary);
  transition: transform 0.2s ease;
}
.tool-card:hover .tool-card-icon { transform: scale(1.1); }
.tool-card-title { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.tool-card-desc { font-size: 14px; color: var(--text-light); }

/* 分类 */
.category { margin-top: 48px; }
.category-title {
  font-size: 20px; font-weight: 700; margin-bottom: 20px;
  padding: 0 0 10px 0; border-bottom: 2px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.category-title::before {
  content: ''; width: 4px; height: 22px; border-radius: 2px;
  background: var(--primary); display: inline-block;
}

/* 表单 */
.tool-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 20px; }
@media (max-width: 768px) { .tool-panel { grid-template-columns: 1fr; } }
.input-group { display: flex; flex-direction: column; }
.input-group label { font-size: 15px; color: var(--text-light); margin-bottom: 8px; font-weight: 500; }
textarea, input[type="text"], input[type="number"], select {
  width: 100%; border: 2px solid var(--border); border-radius: 10px;
  padding: 14px 16px; font-family: monospace; font-size: 16px;
  resize: vertical; background: var(--bg); color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea:focus, input:focus, select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
textarea { min-height: 260px; }

/* 按钮 */
.btn {
  display: inline-block; padding: 11px 24px; border: 2px solid var(--primary);
  border-radius: 10px; background: var(--primary); color: #fff;
  font-size: 16px; font-weight: 500; cursor: pointer;
  transition: all 0.15s ease; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,166,35,0.25); }
.btn:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-small { padding: 6px 14px; font-size: 14px; }
.btn-row { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }

/* 提示 */
.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 16px; font-size: 15px; }
.alert-info { background: #f0f9ff; color: #0369a1; border-left: 3px solid #38BDF8; }
.alert-warning { background: #fffbeb; color: #92400e; border-left: 3px solid #F59E0B; }
.alert-success { background: #f0fdf4; color: #166534; border-left: 3px solid var(--success); }
.alert-danger { background: #fef2f2; color: #991b1b; border-left: 3px solid var(--danger); }

/* 底部 */
.footer {
  border-top: 2px solid var(--border); padding: 36px;
  text-align: center; color: var(--text-light); font-size: 14px;
  margin-top: 64px; background: #1a1a2e; color: #888;
}
.footer a { color: #aaa; margin: 0 10px; }
.footer a:hover { color: var(--primary); }

/* 工具页面头 */
.tool-header { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--bg-soft); }
.tool-header h1 { font-size: 26px; margin-bottom: 6px; font-weight: 700; }
.tool-header p { font-size: 15px; color: var(--text-light); }

/* 上传 */
.upload-box {
  border: 2px dashed var(--border); border-radius: 12px;
  padding: 48px; text-align: center; cursor: pointer;
  transition: all 0.2s ease; background: var(--bg-soft); font-size: 16px;
}
.upload-box:hover, .upload-box.dragover {
  border-color: var(--primary); background: var(--primary-light);
  transform: scale(1.01);
}

/* 选项 */
.options { display: flex; gap: 18px; flex-wrap: wrap; margin: 16px 0; align-items: center; }
.option-item { display: flex; align-items: center; gap: 8px; font-size: 16px; }
input[type="range"] { accent-color: var(--primary); }
input[type="color"] { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--primary); width: 16px; height: 16px; }

/* 标签 */
.tag { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: 13px; background: var(--bg-soft); color: var(--text-light); margin-right: 6px; }
.tag-primary { background: var(--primary-light); color: var(--primary-dark); font-weight: 500; }

/* 表格 */
.result-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 15px; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.result-table th, .result-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.result-table th { background: var(--bg-soft); font-weight: 600; }
.result-table tr:last-child td { border-bottom: none; }
.result-table tr:hover td { background: var(--primary-light); }

.color-swatch { display: inline-block; width: 24px; height: 24px; border-radius: 6px; border: 1px solid var(--border); vertical-align: middle; margin-right: 8px; }

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* 回到顶部 */
#topBtn { transition: all 0.2s ease; }
#topBtn:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(245,166,35,0.4); }