/* ====== 全局 ====== */
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background: #f4f5f7; color: #1f2329;
  line-height: 1.65;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }
a { color: #0b5cad; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ====== 顶栏 ====== */
header.top {
  background: #fff; border-bottom: 3px solid #C8102E;
  padding: 14px 0; box-shadow: 0 1px 0 rgba(0,0,0,.05);
}
header.top .wrap { display: flex; align-items: baseline; gap: 18px; }
header.top .brand {
  font-size: 18px; font-weight: 800; color: #C8102E; letter-spacing: 1px;
}
header.top nav { font-size: 14px; flex: 1; }
header.top nav a {
  color: #1f2329; margin-right: 16px; padding: 2px 0;
}
header.top nav a.on { color: #C8102E; border-bottom: 2px solid #C8102E; }
header.top .user { color: #5a6573; font-size: 13px; }
header.top .user a { color: #C8102E; }

/* ====== 主区 ====== */
main.wrap { padding: 28px 22px 60px; }
h1 { font-size: 22px; margin: 0 0 18px; }

/* ====== 登录 ====== */
.login-card {
  background: #fff; border-radius: 12px; padding: 36px 32px;
  max-width: 380px; margin: 60px auto;
  border-top: 4px solid #C8102E;
  box-shadow: 0 4px 18px rgba(0,0,0,.06);
}
.login-card h1 { font-size: 22px; color: #C8102E; margin: 0 0 4px; }
.login-card .hint { color: #5a6573; font-size: 13px; margin: 0 0 22px; }
.login-card label { display: block; margin-bottom: 14px; font-size: 13px; color: #1f2329; }
.login-card input {
  display: block; width: 100%; margin-top: 6px;
  padding: 10px 12px; font-size: 14px;
  border: 1px solid #d8dce3; border-radius: 6px;
}
.login-card input:focus { outline: none; border-color: #C8102E; }
.login-card button {
  width: 100%; margin-top: 8px; padding: 11px;
  background: #C8102E; color: #fff;
  border: none; border-radius: 6px;
  font-size: 14px; font-weight: 700; letter-spacing: 1px;
  cursor: pointer;
}
.login-card button:hover { background: #a40d26; }

/* ====== Flash 提示 ====== */
.flash {
  padding: 10px 14px; border-radius: 6px;
  margin-bottom: 16px; font-size: 14px;
  border: 1px solid;
}
.flash.ok    { background: #e8f7ed; border-color: #b8e2c5; color: #1f7a3a; }
.flash.error { background: #fdecec; border-color: #f1b5b5; color: #b8302f; }

/* ====== 工具栏 ====== */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.btn {
  display: inline-block; padding: 7px 14px; border-radius: 6px;
  border: 1px solid #d8dce3; background: #fff; color: #1f2329;
  font-size: 13px; cursor: pointer;
}
.btn:hover { background: #f4f5f7; text-decoration: none; }
.btn.primary { background: #C8102E; color: #fff; border-color: #C8102E; }
.btn.primary:hover { background: #a40d26; }
.btn-publish {
  background: #1f7a3a; color: #fff; border: none; padding: 5px 10px;
  border-radius: 5px; font-size: 12px; cursor: pointer;
}
.btn-publish:hover { background: #16652f; }
.btn-publish:disabled { background: #aaa; cursor: not-allowed; }
.btn-danger {
  background: #fff; color: #b8302f; border: 1px solid #f1b5b5;
  padding: 5px 10px; border-radius: 5px; font-size: 12px; cursor: pointer;
}
.btn-danger:hover { background: #fdecec; }

/* ====== 文章列表 ====== */
table.postlist {
  width: 100%; border-collapse: collapse;
  background: #fff; border-radius: 8px; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
table.postlist th, table.postlist td {
  padding: 10px 12px; border-bottom: 1px solid #eef0f3;
  font-size: 14px; text-align: left; vertical-align: middle;
}
table.postlist th { background: #f6f7f9; font-weight: 700; color: #5a6573; }
table.postlist td.num { font-family: ui-monospace,Menlo,monospace; font-size: 13px; color: #5a6573; }
table.postlist .empty { text-align: center; color: #9aa0a6; padding: 36px; }
table.postlist .ops a, table.postlist .ops button { margin-right: 6px; }
.cover-thumb { max-width: 64px; max-height: 36px; border-radius: 4px; border: 1px solid #eef0f3; }
.tag { padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.tag.st-draft     { background: #fff5e6; color: #b3700f; }
.tag.st-published { background: #e8f7ed; color: #1f7a3a; }
.tag.st-archived  { background: #f1f3f5; color: #6c757d; }

/* ====== 编辑表单 ====== */
.edit-form {
  background: #fff; padding: 22px 24px;
  border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.edit-form .grid2 {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px 18px; margin-bottom: 16px;
}
.edit-form label { display: block; font-size: 13px; color: #5a6573; margin-bottom: 4px; }
.edit-form label.full { grid-column: 1 / -1; }
.edit-form label small { color: #9aa0a6; font-size: 11px; display: block; margin-top: 2px; }

/* 封面图上传行 */
.cover-row { display: flex; gap: 6px; }
.cover-row input { flex: 1; }
.btn-cover {
  display: inline-block; padding: 9px 14px;
  background: #f4f5f7; color: #1f2329; border: 1px solid #d8dce3;
  border-radius: 6px; font-size: 13px; cursor: pointer;
}
.btn-cover:hover { background: #e8eaee; }
.cover-preview {
  margin-top: 8px; min-height: 38px;
}
.cover-preview img {
  max-width: 200px; max-height: 80px;
  border: 1px solid #eef0f3; border-radius: 4px;
  display: block; margin-bottom: 4px;
}
.cover-preview small { color: #5a6573; }
.edit-form input, .edit-form textarea {
  width: 100%; padding: 9px 11px; font-size: 14px;
  border: 1px solid #d8dce3; border-radius: 6px;
  font-family: inherit;
}
.edit-form input:focus, .edit-form textarea:focus {
  outline: none; border-color: #C8102E;
}
.edit-form textarea {
  font-family: ui-monospace,"JetBrains Mono",Menlo,monospace;
  font-size: 13.5px; line-height: 1.65; resize: vertical;
}
.edit-form .actions {
  margin-top: 14px; display: flex; gap: 10px;
}

/* ====== 预览 ====== */
.preview {
  background: #fff; padding: 28px; border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.preview .meta { color: #5a6573; font-size: 13px; margin-bottom: 18px; }
.preview .md-src {
  background: #f6f7f9; padding: 14px 16px; border-radius: 6px;
  font-family: ui-monospace,Menlo,monospace; font-size: 13px;
  white-space: pre-wrap; word-break: break-word;
}

/* ====== 页脚 ====== */
footer.bot {
  text-align: center; color: #9aa0a6; font-size: 12px;
  padding: 24px 0 36px;
}