/* ============================================================
   Skill 广场 — 前台样式（本地原型与 WordPress 插件共用）
   颜色体系：绿色为主（参考样例 1/3），详情页信息区借用阿里云式表格（样例 4）
   ============================================================ */

:root {
  --sp-green: #16a34a;
  --sp-green-dark: #15803d;
  --sp-green-light: #dcfce7;
  --sp-green-tint: #f0fdf4;
  --sp-blue-tint: #eff6ff;
  --sp-blue: #2563eb;
  --sp-purple-tint: #f5f3ff;
  --sp-purple: #7c3aed;
  --sp-orange-tint: #fff7ed;
  --sp-orange: #ea580c;
  --sp-text: #1f2328;
  --sp-text-sub: #57606a;
  --sp-muted: #8b949e;
  --sp-border: #e5e7eb;
  --sp-border-strong: #d0d7de;
  --sp-bg: #f6f7f6;
  --sp-card: #ffffff;
  --sp-code-bg: #1f2937;
  --sp-radius: 14px;
  --sp-radius-sm: 8px;
  --sp-shadow: 0 1px 2px rgba(31, 35, 40, .04);
  --sp-shadow-hover: 0 8px 24px rgba(22, 163, 74, .12);
  --sp-max: 1180px;
}

/* 限定在 .sp-body 内，避免在 wp-admin 页面里影响其他 UI */
.sp-body, .sp-body * { box-sizing: border-box; }

body.sp-body {
  margin: 0;
  background: var(--sp-bg);
  color: var(--sp-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.sp-wrap { max-width: var(--sp-max); margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }

/* ---------- 顶栏 ---------- */
.sp-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--sp-border);
}
.sp-header-inner {
  max-width: var(--sp-max); margin: 0 auto; padding: 0 24px;
  height: 62px; display: flex; align-items: center; gap: 28px;
}
.sp-brand { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 700; letter-spacing: -.2px; }
.sp-brand-mark {
  width: 26px; height: 26px; border-radius: 7px; flex: none;
  background: linear-gradient(135deg, #22c55e, #15803d);
  display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 800;
}
.sp-nav { display: flex; gap: 22px; font-size: 14.5px; color: var(--sp-text-sub); }
.sp-nav a:hover { color: var(--sp-green); }
.sp-nav a.is-active { color: var(--sp-text); font-weight: 600; }
.sp-header-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ---------- Hero ---------- */
.sp-hero { padding: 46px 0 26px; text-align: center; }
.sp-hero h1 { margin: 0 0 10px; font-size: 38px; line-height: 1.25; font-weight: 800; letter-spacing: -.8px; }
.sp-hero h1 em { font-style: normal; color: var(--sp-green); }
.sp-hero p { margin: 0 auto; max-width: 620px; color: var(--sp-text-sub); font-size: 15.5px; }
.sp-hero-stats { margin-top: 16px; display: flex; justify-content: center; gap: 26px; color: var(--sp-muted); font-size: 13.5px; }
.sp-hero-stats b { color: var(--sp-text); font-size: 15px; font-weight: 700; }

/* ---------- 工具条 ---------- */
.sp-toolbar { margin: 8px 0 22px; }
.sp-search {
  position: relative; max-width: 560px; margin: 0 auto 20px;
}
.sp-search input {
  width: 100%; height: 46px; padding: 0 44px 0 42px;
  border: 1px solid var(--sp-border-strong); border-radius: 24px;
  background: #fff; font-size: 15px; color: var(--sp-text);
  transition: border-color .15s, box-shadow .15s;
}
.sp-search input:focus { outline: none; border-color: var(--sp-green); box-shadow: 0 0 0 4px var(--sp-green-tint); }
.sp-search .sp-search-icon { position: absolute; left: 15px; top: 13px; color: var(--sp-muted); }
.sp-search .sp-search-kbd {
  position: absolute; right: 12px; top: 12px; font-size: 11.5px; color: var(--sp-muted);
  border: 1px solid var(--sp-border); border-radius: 5px; padding: 1px 6px; background: #fafbfa;
}

.sp-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.sp-chip {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  height: 34px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--sp-border-strong); background: #fff;
  font-size: 14px; color: var(--sp-text-sub); transition: all .15s;
}
.sp-chip:hover { border-color: var(--sp-green); color: var(--sp-green-dark); }
.sp-chip .sp-chip-n { font-size: 12px; color: var(--sp-muted); }
.sp-chip.is-active { background: var(--sp-green); border-color: var(--sp-green); color: #fff; font-weight: 600; }
.sp-chip.is-active .sp-chip-n { color: rgba(255, 255, 255, .85); }

.sp-subbar {
  display: flex; align-items: center; justify-content: space-between;
  margin: 22px 0 14px; color: var(--sp-muted); font-size: 13.5px;
}
.sp-sort { display: inline-flex; border: 1px solid var(--sp-border-strong); border-radius: var(--sp-radius-sm); overflow: hidden; background: #fff; }
.sp-sort button {
  border: 0; background: transparent; cursor: pointer; padding: 6px 14px;
  font-size: 13.5px; color: var(--sp-text-sub); font-family: inherit;
}
.sp-sort button + button { border-left: 1px solid var(--sp-border); }
.sp-sort button.is-active { background: var(--sp-green-tint); color: var(--sp-green-dark); font-weight: 600; }

/* ---------- 卡片网格 ---------- */
.sp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-bottom: 56px; }
@media (max-width: 960px) { .sp-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .sp-grid { grid-template-columns: 1fr; } }

.sp-card {
  position: relative; display: flex; flex-direction: column;
  min-height: 232px; padding: 20px 22px 16px;
  background: var(--sp-card); border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius); box-shadow: var(--sp-shadow);
  transition: transform .16s, box-shadow .16s, border-color .16s;
}
.sp-card:hover { transform: translateY(-3px); border-color: #86efac; box-shadow: var(--sp-shadow-hover); }
.sp-card-badges { display: flex; gap: 6px; justify-content: flex-end; min-height: 22px; margin-bottom: 12px; }
.sp-card-title { margin: 0; font-size: 19px; font-weight: 700; color: var(--sp-green-dark); letter-spacing: -.2px; word-break: break-word; }
.sp-card-sub { margin: 2px 0 10px; font-size: 13.5px; color: var(--sp-muted); }
.sp-card-desc {
  margin: 0; color: var(--sp-text-sub); font-size: 14px; line-height: 1.68;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
/* 卡片指标行：点赞 / 下载 / 热度 */
.sp-metric-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0 0; color: var(--sp-muted); font-size: 12.5px; }
.sp-metric { display: inline-flex; align-items: center; gap: 5px; }
.sp-metric svg { flex: none; opacity: .75; }
.sp-metric-hot { color: var(--sp-orange); }
.sp-metric-hot svg { opacity: 1; }
.sp-card-foot {
  margin-top: auto; padding-top: 14px; border-top: 1px solid #f0f1f0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px; color: var(--sp-muted);
}
.sp-pill { padding: 2px 9px; border-radius: 6px; background: #f5f6f5; color: #6b7280; font-size: 12px; }

/* 徽章 */
.sp-badge { font-size: 11.5px; padding: 2px 9px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.sp-badge-精选 { background: var(--sp-purple-tint); color: var(--sp-purple); }
.sp-badge-热门 { background: var(--sp-orange-tint); color: var(--sp-orange); }
.sp-badge-高质量 { background: var(--sp-green-light); color: var(--sp-green-dark); }
.sp-badge-内部 { background: #fef2f2; color: #dc2626; }
.sp-badge-default { background: var(--sp-blue-tint); color: var(--sp-blue); }

.sp-empty { grid-column: 1 / -1; padding: 70px 0; text-align: center; color: var(--sp-muted); }

/* ---------- 按钮 ---------- */
.sp-btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  height: 38px; padding: 0 16px; border-radius: var(--sp-radius-sm);
  border: 1px solid var(--sp-border-strong); background: #fff;
  font-size: 14px; font-family: inherit; color: var(--sp-text);
  transition: all .15s; white-space: nowrap;
}
.sp-btn:hover { border-color: var(--sp-green); color: var(--sp-green-dark); }
.sp-btn-primary { background: var(--sp-green); border-color: var(--sp-green); color: #fff; font-weight: 600; }
.sp-btn-primary:hover { background: var(--sp-green-dark); border-color: var(--sp-green-dark); color: #fff; }
.sp-btn-ghost { border-color: var(--sp-green); color: var(--sp-green-dark); background: #fff; }
.sp-btn-sm { height: 30px; padding: 0 11px; font-size: 13px; }
/* 侧边栏内的整行宽按钮：允许换行，避免长文本撑出固定宽度的列 */
.sp-btn-block { width: 100%; justify-content: center; white-space: normal; height: auto; min-height: 38px; padding: 8px 14px; text-align: center; word-break: break-all; }
.sp-btn-danger { border-color: #fecaca; color: #dc2626; }
.sp-btn-danger:hover { background: #fef2f2; border-color: #dc2626; color: #dc2626; }

/* ---------- 详情页 ---------- */
.sp-crumb { padding: 20px 0 14px; font-size: 13.5px; color: var(--sp-muted); }
.sp-crumb a:hover { color: var(--sp-green); }
.sp-crumb span { margin: 0 8px; color: var(--sp-border-strong); }

.sp-detail-head {
  background: #fff; border: 1px solid var(--sp-border); border-radius: var(--sp-radius);
  padding: 26px 28px; box-shadow: var(--sp-shadow);
}
.sp-detail-head-top { display: flex; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.sp-detail-title { margin: 0; font-size: 32px; font-weight: 800; letter-spacing: -.8px; word-break: break-word; }
.sp-detail-sub { margin: 6px 0 0; color: var(--sp-text-sub); font-size: 16px; }
.sp-detail-actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.sp-detail-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.sp-tag { font-size: 12.5px; padding: 4px 12px; border-radius: 999px; background: #f5f6f5; color: var(--sp-text-sub); }
.sp-metrics { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 14px; color: var(--sp-muted); font-size: 13px; align-items: center; }
.sp-metrics .sp-metric { font-size: 13px; }
/* 详情页的可交互点赞按钮 */
.sp-like {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  height: 30px; padding: 0 12px; border-radius: 999px; font-family: inherit; font-size: 13px;
  border: 1px solid var(--sp-border-strong); background: #fff; color: var(--sp-text-sub); transition: all .15s;
}
.sp-like:hover { border-color: var(--sp-green); color: var(--sp-green-dark); }
.sp-like.is-liked { background: var(--sp-green-light); border-color: #86efac; color: var(--sp-green-dark); font-weight: 600; }

.sp-detail-body { display: grid; grid-template-columns: 1fr 340px; gap: 28px; padding: 26px 0 60px; align-items: start; }
.sp-detail-body > * { min-width: 0; }
@media (max-width: 900px) { .sp-detail-body { grid-template-columns: 1fr; } }

.sp-panel { background: #fff; border: 1px solid var(--sp-border); border-radius: var(--sp-radius); box-shadow: var(--sp-shadow); }
.sp-panel-head { padding: 14px 18px; border-bottom: 1px solid var(--sp-border); font-weight: 700; font-size: 15px; }
.sp-panel-body { padding: 16px 18px; }
.sp-side { position: sticky; top: 82px; display: flex; flex-direction: column; gap: 18px; }

.sp-code {
  position: relative; background: var(--sp-code-bg); color: #e5e7eb;
  border-radius: var(--sp-radius-sm); padding: 14px 44px 14px 14px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere;
}
.sp-code-copy {
  position: absolute; top: 8px; right: 8px; cursor: pointer;
  background: rgba(255, 255, 255, .1); border: 0; border-radius: 6px;
  color: #d1d5db; padding: 4px 7px; font-size: 12px; font-family: inherit;
}
.sp-code-copy:hover { background: rgba(255, 255, 255, .2); }

.sp-info-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.sp-info-table th, .sp-info-table td { padding: 11px 0; border-bottom: 1px solid #f0f1f0; text-align: left; vertical-align: top; }
.sp-info-table th { color: var(--sp-muted); font-weight: 500; width: 84px; }
.sp-info-table td { color: var(--sp-text); word-break: break-word; }
.sp-info-table tr:last-child th, .sp-info-table tr:last-child td { border-bottom: 0; }

/* metadata 表（阿里云样例 4 风格） */
.sp-meta-table { width: 100%; border-collapse: collapse; font-size: 13.5px; border: 1px solid var(--sp-border); border-radius: var(--sp-radius-sm); overflow: hidden; }
.sp-meta-table th { width: 132px; background: #f7f8f7; color: var(--sp-text-sub); font-weight: 600; text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--sp-border); vertical-align: top; }
.sp-meta-table td { padding: 12px 16px; border-bottom: 1px solid var(--sp-border); color: var(--sp-text); }
.sp-meta-table tr:last-child th, .sp-meta-table tr:last-child td { border-bottom: 0; }

/* ---------- Markdown 正文 ---------- */
.sp-md { font-size: 15px; color: var(--sp-text); }
.sp-md h1, .sp-md h2 { font-size: 22px; font-weight: 700; margin: 30px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--sp-green-light); }
.sp-md h1:first-child, .sp-md h2:first-child { margin-top: 0; }
.sp-md h3 { font-size: 17px; font-weight: 700; margin: 24px 0 10px; }
.sp-md h4 { font-size: 15px; font-weight: 700; margin: 18px 0 8px; color: var(--sp-text-sub); }
.sp-md p { margin: 10px 0; line-height: 1.8; }
.sp-md ul, .sp-md ol { margin: 10px 0; padding-left: 22px; }
.sp-md li { margin: 5px 0; line-height: 1.75; }
.sp-md li::marker { color: var(--sp-green); }
.sp-md code {
  background: #f2f4f2; border-radius: 5px; padding: 1.5px 6px; font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #b91c5c;
}
.sp-md pre {
  background: var(--sp-code-bg); color: #e5e7eb; padding: 14px 16px; border-radius: var(--sp-radius-sm);
  overflow-x: auto; font-size: 12.8px; line-height: 1.6;
}
.sp-md pre code { background: transparent; color: inherit; padding: 0; font-size: inherit; }
.sp-md blockquote { margin: 14px 0; padding: 10px 16px; border-left: 3px solid var(--sp-green); background: var(--sp-green-tint); color: var(--sp-text-sub); border-radius: 0 6px 6px 0; }
.sp-md blockquote p { margin: 4px 0; }
.sp-md table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.5px; }
.sp-md th, .sp-md td { border: 1px solid var(--sp-border); padding: 8px 12px; text-align: left; }
.sp-md th { background: #f7f8f7; font-weight: 600; }
.sp-md hr { border: 0; border-top: 1px solid var(--sp-border); margin: 24px 0; }
.sp-md a { color: var(--sp-green-dark); text-decoration: underline; text-underline-offset: 2px; }
.sp-md strong { font-weight: 700; }

/* ---------- 页脚 / 提示 ---------- */
.sp-footer { border-top: 1px solid var(--sp-border); background: #fff; padding: 26px 0; color: var(--sp-muted); font-size: 13px; text-align: center; }
.sp-toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(12px);
  background: #1f2328; color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 13.5px;
  opacity: 0; pointer-events: none; transition: all .2s; z-index: 60;
}
.sp-toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }
.sp-notice {
  margin: 0 0 18px; padding: 12px 16px; border-radius: var(--sp-radius-sm);
  background: #fffbeb; border: 1px solid #fde68a; color: #92400e; font-size: 13.5px;
}

/* =========================================================
   demo 广场专有：素材文件夹列表 / 工具胶囊 / 面板头部右侧插槽
   （前面的 .sp-* 与 Skill 广场共用一套，改动请两边同步）
   ========================================================= */

/* 面板头部允许右侧放说明或按钮 */
.sp-panel-head { display: flex; align-items: center; gap: 10px; }
.sp-panel-head > .dp-panel-note,
.sp-panel-head > .sp-btn { margin-left: auto; }
.dp-panel-note { font-size: 12.5px; font-weight: 400; color: var(--sp-muted); }

/* 前台也要用到的小字提示（admin.css 里那份只在后台加载） */
.sp-hint { margin-top: 5px; font-size: 12.5px; color: var(--sp-muted); line-height: 1.6; }

/* 卡片上的涉及工具 */
.dp-tool-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* 介绍开头的一段话 */
.dp-lead { font-size: 15.5px; color: var(--sp-text-sub); line-height: 1.8; margin: 0 0 4px; }
.dp-empty-inline { margin: 0; color: var(--sp-muted); font-size: 14px; }

/* 素材文件列表：一行一个文件，右侧复制直链 / 下载 */
.dp-file-list { list-style: none; margin: 0; padding: 0; }
.dp-file {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid #f0f1f0;
}
.dp-file:first-child { padding-top: 4px; }
.dp-file:last-child { border-bottom: 0; padding-bottom: 4px; }
.dp-file-main { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.dp-file-name { font-size: 14.5px; font-weight: 600; color: var(--sp-text); word-break: break-all; }
.dp-file-meta { font-size: 12.5px; color: var(--sp-muted); }
.dp-file-ops { display: flex; gap: 8px; flex: none; }
.dp-file-ops .sp-btn svg { margin-right: 4px; opacity: .7; }

/* 文件类型角标：按扩展名着色，未命中的走默认灰 */
.dp-file-ext {
  flex: none; width: 44px; height: 44px; border-radius: var(--sp-radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  background: #f3f4f6; color: #6b7280;
}
.dp-ext-md, .dp-ext-txt { background: var(--sp-green-light); color: var(--sp-green-dark); }
.dp-ext-docx, .dp-ext-doc { background: var(--sp-blue-tint); color: var(--sp-blue); }
.dp-ext-xlsx, .dp-ext-xls, .dp-ext-csv { background: var(--sp-green-tint); color: var(--sp-green-dark); }
.dp-ext-pptx, .dp-ext-ppt { background: var(--sp-orange-tint); color: var(--sp-orange); }
.dp-ext-pdf { background: #fef2f2; color: #dc2626; }
.dp-ext-zip { background: var(--sp-purple-tint); color: var(--sp-purple); }
.dp-ext-png, .dp-ext-jpg, .dp-ext-jpeg, .dp-ext-gif, .dp-ext-webp, .dp-ext-svg { background: var(--sp-purple-tint); color: var(--sp-purple); }
.dp-ext-mp4, .dp-ext-mov { background: #ecfeff; color: #0e7490; }

@media (max-width: 640px) {
  .dp-file { align-items: flex-start; flex-wrap: wrap; }
  .dp-file-ops { width: 100%; padding-left: 56px; }
}