/* 预见猿份在线工具 - 共享样式（所有工具页与工具中心共用） */
:root {
  --border: #e2e8f0;
  --panel: #ffffff;
  --soft: #f7f9fb;
  --fg: #1f2933;
  --muted: #8a94a6;
  --accent: #42b983;
  --accent-dark: #36a573;
  --key: #8250df;
  --str: #1a7f37;
  --num: #0550ae;
  --bool: #bc4c00;
  --null: #6e7781;
  --err-fg: #d1242f;
  --err-bg: #fff2f0;
  --err-border: #ffccc7;
  --page-bg: #f0f2f5;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--page-bg);
  color: var(--fg);
  line-height: 1.6;
}
a { color: var(--accent); }

/* 顶栏 */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 56px;
  padding: 0 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  text-decoration: none;
}
.topbar .brand img { height: 32px; width: auto; display: block; }
.topbar .spacer { flex: 1; }
.topbar a.nav-link { color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 16px; }
.topbar a.nav-link:hover { color: var(--accent); }

/* 容器 */
.wrap { max-width: 1280px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--muted); font-size: 14px; margin: 0 0 20px; }

/* 工具条 */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.toolbar label.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; }
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  padding: 8px 18px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn--primary:hover:not(:disabled) { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn--ghost:hover:not(:disabled) { border-color: #e06c75; color: #e06c75; }
.btn--sm { padding: 4px 10px; font-size: 12px; }

/* 双栏工作区 */
.main { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.pane--full { grid-column: 1 / -1; }
.pane__title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  background: var(--soft);
  border-bottom: 1px solid var(--border);
}
.pane__title .spacer { flex: 1; }
.pane__meta { font-weight: 400; font-size: 12px; color: var(--muted); }

textarea.field, pre.output {
  width: 100%;
  min-height: 420px;
  margin: 0;
  padding: 12px 14px;
  border: 0;
  outline: none;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--panel);
}
textarea.field { resize: vertical; }
pre.output { overflow: auto; max-height: 680px; white-space: pre-wrap; word-break: break-word; }
.tree { min-height: 420px; max-height: 680px; overflow: auto; padding: 12px 14px; font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; font-size: 13px; }
.placeholder { color: var(--muted); font-size: 13px; padding-top: 6px; }

.error {
  color: var(--err-fg);
  background: var(--err-bg);
  border: 1px solid var(--err-border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
}
.okbox {
  color: var(--str);
  background: #e6ffec;
  border: 1px solid #abf0c6;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* 校验错误上下文：出错行底色 + 列号caret */
.err-line { background: rgba(209, 36, 47, 0.12); }
.err-caret { color: var(--err-fg); font-weight: 700; }

/* MD5 结果项 */
.result-list { display: flex; flex-direction: column; gap: 12px; }
.result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.result-item .label { font-size: 13px; color: var(--muted); min-width: 82px; }
.result-item code {
  flex: 1;
  min-width: 0;
  font-family: 'SFMono-Regular', Consolas, Menlo, monospace;
  font-size: 14px;
  word-break: break-all;
  color: var(--fg);
}

/* 工具中心卡片 */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tool-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--fg);
  transition: all 0.18s ease;
}
.tool-card:hover { border-color: var(--accent); box-shadow: 0 6px 20px rgba(66, 185, 131, 0.12); transform: translateY(-2px); }
.tool-card .tool-icon { font-size: 24px; line-height: 1; margin-bottom: 10px; display: block; }
.tool-card .tool-name { font-size: 16px; font-weight: 600; margin: 0 0 4px; }
.tool-card .tool-desc { font-size: 13px; color: var(--muted); margin: 0; }
.group-title { font-size: 15px; font-weight: 700; margin: 28px 0 12px; color: var(--fg); }
.group-title:first-of-type { margin-top: 4px; }

/* JSON / 树节点 */
.jn-line { display: flex; align-items: baseline; gap: 4px; white-space: nowrap; border-radius: 3px; }
.jn-line--clickable { cursor: pointer; }
.jn-line--clickable:hover { background: rgba(66, 185, 131, 0.08); }
.jn-caret {
  flex: 0 0 auto; width: 0; height: 0; margin-right: 2px;
  border-left: 5px solid #999; border-top: 4px solid transparent; border-bottom: 4px solid transparent;
  transition: transform 0.15s ease;
}
.jn-caret--open { transform: rotate(90deg); }
.jn-dot { flex: 0 0 auto; width: 5px; margin-right: 2px; }
.jn-children { padding-left: 18px; margin-left: 4px; border-left: 1px dashed rgba(0, 0, 0, 0.12); }
.jn-key { color: var(--key); font-weight: 600; }
.jn-colon, .jn-bracket { color: #555; }
.jn-bracket { font-weight: 600; }
.jn-hint { color: var(--muted); font-style: italic; cursor: pointer; }
.jn-value--string { color: var(--str); white-space: pre-wrap; word-break: break-all; }
.jn-value--number { color: var(--num); }
.jn-value--boolean { color: var(--bool); }
.jn-value--null { color: var(--null); }
.jn-hidden { display: none; }

/* 单行输入框 / 下拉（工具条参数：正则、时间戳、时区等） */
.tinput {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--fg);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}
.tinput:focus { border-color: var(--accent); }
.tinput--mono { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; }
select.tinput { cursor: pointer; }
.toolbar .lbl { font-size: 13px; color: var(--muted); }

/* 通用表格（状态码表、字段表、匹配清单） */
.tbl-wrap { overflow: auto; max-height: 620px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { border-bottom: 1px solid var(--border); padding: 8px 14px; text-align: left; vertical-align: top; }
.tbl th { position: sticky; top: 0; background: var(--soft); font-weight: 600; white-space: nowrap; z-index: 1; }
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover td { background: rgba(66, 185, 131, 0.06); }
.tbl .muted, .muted { color: var(--muted); }
.tbl code { font-family: 'SFMono-Regular', Consolas, Menlo, monospace; font-size: 12px; background: var(--soft); border-radius: 4px; padding: 1px 6px; }

/* 正则匹配高亮 */
mark.hl { background: rgba(66, 185, 131, 0.28); color: inherit; border-radius: 2px; }
mark.hl--zero { background: var(--accent); width: 3px; height: 1em; display: inline-block; vertical-align: text-bottom; border-radius: 1px; }

/* 轻提示 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.foot { margin-top: 24px; color: var(--muted); font-size: 13px; text-align: center; }
.foot a { text-decoration: none; }

@media (max-width: 800px) {
  .main { grid-template-columns: 1fr; }
  textarea.field, pre.output, .tree { min-height: 240px; }
  .topbar a.nav-link { margin-left: 10px; }
  .result-item { flex-wrap: wrap; }
}