/* ==========================================================================
   ReKernelFlasher 站点样式
   配色取自应用图标：黑底 + 橙色 (#FF9800)
   ========================================================================== */

:root {
  --bg:        #0d1117;
  --bg-soft:   #161b22;
  --bg-card:   #161b22;
  --bg-hover:  #1c2230;
  --border:    #30363d;
  --border-2:  #3d444d;
  --text:      #e6edf3;
  --text-dim:  #9198a1;
  --text-mute: #6e7681;
  --brand:     #ff9800;
  --brand-dim: #cc7a00;
  --danger:    #f85149;
  --success:   #3fb950;
  --nav-bg:    rgba(13, 17, 23, .82);
  --code-bg:   #0b0f14;
  --foot-bg:   #0b0f14;
  --shadow:    0 8px 26px rgba(0, 0, 0, .5);
  --radius:    12px;
  --radius-lg: 16px;
  --maxw:      1100px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ==========================================================================
   浅色主题：点右上角太阳 / 月亮图标切换（选择记在 localStorage）
   ========================================================================== */
[data-theme="light"] {
  --bg:        #ffffff;
  --bg-soft:   #f6f8fa;
  --bg-card:   #ffffff;
  --bg-hover:  #eef1f4;
  --border:    #d8dee4;
  --border-2:  #b9c0c8;
  --text:      #1f2328;
  --text-dim:  #59636e;
  --text-mute: #818b98;
  --brand:     #d97706;   /* 浅底上把橙色加深一点，保证对比度 */
  --brand-dim: #b45309;
  --danger:    #cf222e;
  --success:   #1a7f37;
  --nav-bg:    rgba(255, 255, 255, .86);
  --code-bg:   #f6f8fa;
  --foot-bg:   #f6f8fa;
  --shadow:    0 6px 20px rgba(31, 35, 40, .12);
}

[data-theme="light"] .hero {
  background: linear-gradient(180deg, #fff8ee 0%, var(--bg-card) 100%);
}
[data-theme="light"] .dl-hero {
  background: linear-gradient(135deg, rgba(217, 119, 6, .1) 0%, rgba(217, 119, 6, .01) 60%);
}
[data-theme="light"] .hero-icon { box-shadow: 0 6px 18px rgba(31, 35, 40, .16); }
[data-theme="light"] .badge { box-shadow: 0 1px 3px rgba(31, 35, 40, .22); }
[data-theme="light"] .nav-dl,
[data-theme="light"] .btn-primary,
[data-theme="light"] .btn-tg,
[data-theme="light"] .docs-tabs a.active { color: #fff; }
[data-theme="light"] .md th { background: var(--bg-soft); }
[data-theme="light"] .md tr:nth-child(even) td { background: rgba(31, 35, 40, .02); }
[data-theme="light"] .md code { background: rgba(31, 35, 40, .07); }
[data-theme="light"] .md blockquote { background: rgba(217, 119, 6, .06); }

/* 右上角主题切换按钮 */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-left: 4px;
  padding: 0;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-dim);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.theme-toggle:hover { color: var(--brand); border-color: var(--brand); }
.theme-toggle .ti { display: none; line-height: 0; }
/* 深色时显示太阳（点击切浅色）；浅色时显示月亮 */
[data-theme="dark"] .theme-toggle .ti-sun,
:root:not([data-theme="light"]) .theme-toggle .ti-sun { display: inline-flex; }
[data-theme="light"] .theme-toggle .ti-moon { display: inline-flex; }
[data-theme="light"] .theme-toggle .ti-sun { display: none; }


* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
        "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

code, pre, .mono { font-family: var(--mono); }

/* ---------------------------------------------------------------- 导航 */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; color: var(--brand); }
.brand img { border-radius: 8px; display: block; }

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.nav-links a.active { color: var(--brand); background: rgba(255, 152, 0, .1); }

.nav-links a.nav-dl {
  background: var(--brand);
  color: #1b1206;
  font-weight: 700;
  margin-left: 6px;
}
.nav-links a.nav-dl:hover { background: #ffad33; color: #1b1206; }

/* ---------------------------------------------------------------- 布局 */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.section { margin-top: 34px; }

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--brand);
  display: inline-block;
}

.section-more { margin-left: auto; font-size: 13px; }

/* ---------------------------------------------------------------- 首页 Hero */

.hero {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 26px;
  background: linear-gradient(180deg, #171d26 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  flex: 0 0 auto;
  box-shadow: var(--shadow);
}

.hero-main { flex: 1 1 320px; min-width: 260px; }

.hero h1 {
  margin: 0 0 6px;
  font-size: 30px;
  letter-spacing: -.5px;
  line-height: 1.2;
}

.hero p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 15px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ---------------------------------------------------------------- badge（shields.io 同款，本地渲染） */

.badge {
  display: inline-flex;
  align-items: stretch;
  height: 22px;
  border-radius: 4px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 600;
  color: #fff !important;
  text-decoration: none !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .35);
  transition: transform .12s ease;
}
.badge:hover { transform: translateY(-1px); }

.badge-l, .badge-r {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 7px;
  white-space: nowrap;
}
.badge-l svg { display: block; opacity: .95; }
.badge-r { border-left: 1px solid rgba(255, 255, 255, .12); }

/* ---------------------------------------------------------------- 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid var(--border-2);
  background: var(--bg-soft);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .1s ease;
  text-decoration: none !important;
}
.btn:hover { background: var(--bg-hover); border-color: #4b535d; }
.btn:active { transform: scale(.985); }

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #1b1206;
  box-shadow: 0 4px 16px rgba(255, 152, 0, .22);
}
.btn-primary:hover { background: #ffad33; border-color: #ffad33; }

.btn-lg { padding: 14px 26px; font-size: 16px; border-radius: 12px; }

.btn-ghost { background: transparent; }

/* ---------------------------------------------------------------- 卡片 */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card + .card { margin-top: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 16px;
  transition: border-color .15s ease, transform .15s ease;
}
.feature:hover { border-color: var(--border-2); transform: translateY(-2px); }

.feature h3 {
  margin: 0 0 6px;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature h3 .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand); flex: 0 0 auto;
}
.feature p { margin: 0; color: var(--text-dim); font-size: 13.5px; line-height: 1.65; }

/* ---------------------------------------------------------------- 简介 */

.intro {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}
.intro p {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.85;
}
.intro p:last-of-type { margin-bottom: 0; }
.intro strong { color: var(--text); font-weight: 700; }
.intro .hl { color: var(--brand); font-weight: 700; }

.intro-points {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px 22px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.intro-points li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}
.intro-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---------------------------------------------------------------- 时间线 */

.tl-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.tg-note {
  margin-left: auto;
  font-size: 12px;
  color: var(--danger);
  font-weight: 600;
  border: 1px solid rgba(248, 81, 73, .35);
  background: rgba(248, 81, 73, .08);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.tg-note:hover { text-decoration: none; background: rgba(248, 81, 73, .16); color: #ff7b72; }

.timeline {
  position: relative;
  margin: 8px 0 0;
  padding-left: 26px;
}

/* 那条竖线 */
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand) 0%, rgba(255, 152, 0, .12) 100%);
  border-radius: 2px;
}

.tl-item {
  position: relative;
  padding: 0 0 18px 0;
}
.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--brand);
}
.tl-item.is-new::before {
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 152, 0, .16);
}

.tl-date {
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--mono);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tl-ago { color: var(--brand); opacity: .85; }

.tl-title {
  font-size: 15px;
  font-weight: 600;
  margin: 2px 0 0;
  line-height: 1.5;
  word-break: break-word;
}
.tl-title a { color: var(--text); }
.tl-title a:hover { color: var(--brand); text-decoration: none; }

.tl-sha {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-mute);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
}

.tl-body {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-word;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}

.tl-foot { margin-top: 18px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 分页 */

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  justify-content: center;
}
.pager .page-info { color: var(--text-mute); font-size: 13px; }
.pager .disabled { opacity: .4; pointer-events: none; }

/* ---------------------------------------------------------------- 下载页 */

.dl-hero {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 152, 0, .12) 0%, rgba(255, 152, 0, .02) 60%);
  border: 1px solid rgba(255, 152, 0, .3);
}

.dl-meta { flex: 1 1 320px; min-width: 260px; }
.dl-ver {
  font-size: 27px;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: -.3px;
}
.dl-ver .v { color: var(--brand); }
.dl-sub { color: var(--text-dim); font-size: 13.5px; margin: 0 0 14px; }

.dl-quick {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.chip {
  font-size: 12px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--mono);
}

.alert {
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 13.5px;
  margin-bottom: 14px;
  border: 1px solid;
}
.alert-warn { background: rgba(210, 153, 34, .1); border-color: rgba(210, 153, 34, .4); color: #e3b341; }
.alert-err  { background: rgba(248, 81, 73, .1);  border-color: rgba(248, 81, 73, .4);  color: #ff7b72; }

/* ---------------------------------------------------------------- Markdown 正文 */

.md { font-size: 15px; line-height: 1.75; color: var(--text); }
.md > *:first-child { margin-top: 0; }
.md > *:last-child { margin-bottom: 0; }

.md h1, .md h2, .md h3, .md h4 {
  line-height: 1.35;
  margin: 26px 0 12px;
  scroll-margin-top: 80px;
}
.md h1 { font-size: 24px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.md h2 { font-size: 20px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.md h3 { font-size: 17px; }
.md h4 { font-size: 15px; color: var(--text-dim); }

.md p { margin: 12px 0; }

.md a { text-decoration: none; border-bottom: 1px solid rgba(255, 152, 0, .35); }
.md a:hover { border-bottom-color: var(--brand); text-decoration: none; }

.md ul, .md ol { padding-left: 24px; margin: 12px 0; }
.md li { margin: 5px 0; }
.md li > ul, .md li > ol { margin: 5px 0; }

.md code {
  background: rgba(110, 118, 129, .25);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 85%;
}

.md pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 14px 0;
}
.md pre code { background: none; padding: 0; font-size: 13px; line-height: 1.6; }

.md blockquote {
  margin: 14px 0;
  padding: 2px 16px;
  border-left: 3px solid var(--brand);
  background: rgba(255, 152, 0, .05);
  border-radius: 0 8px 8px 0;
  color: var(--text-dim);
}

.md hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }

.md-table-wrap { overflow-x: auto; margin: 14px 0; }

.md table { border-collapse: collapse; width: 100%; font-size: 14px; }
.md th, .md td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
.md th { background: var(--bg-soft); font-weight: 600; white-space: nowrap; }
.md tr:nth-child(even) td { background: rgba(255, 255, 255, .015); }

.md img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 6px 0;
}

/* 文档里引用了但实际不存在的配图 → 小提示框，避免裂图 */
.img-missing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  margin: 6px 0;
  border: 1px dashed var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text-mute);
  font-size: 13px;
}
.img-missing::before { content: "🖼"; opacity: .55; }

/* ---------------------------------------------------------------- 文档页 */

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.docs-main { min-width: 0; }
.docs-main .card + .card,
.docs-main .doc-section + .doc-section { margin-top: 16px; }

.toc {
  position: sticky;
  top: 74px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  font-size: 14px;
}

/* 目录标题：加粗 + 品牌色 + 左侧色条，比原来显眼得多 */
.toc-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: .02em;
  line-height: 1.2;
  margin: 0 0 10px 2px;
  padding-left: 9px;
  border-left: 3px solid var(--brand);
}
.toc-title-sub {
  margin: 18px 0 10px 2px;
  color: var(--text);
  border-left-color: var(--border-2);
  font-size: 13px;
}

/* 左侧唯一的文档条目：README.md */
.toc-doc {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 11px;
}
.toc-doc:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.toc-doc.active { border-color: var(--brand); background: rgba(255, 152, 0, .12); color: var(--brand); }

.toc a { display: block; color: var(--text-dim); padding: 5px 8px; border-radius: 6px; }
.toc a:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.toc a.lv3 {
  padding-left: 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dim);
}
.toc a.lv3:hover { color: var(--brand); }

/* 正文最下方的两个按钮（右对齐） */
.doc-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 16px 4px 0;
}

.btn-tg { background: #2ca5e0; border-color: #2ca5e0; color: #04222f; }
.btn-tg:hover { background: #45b3e8; border-color: #45b3e8; }

/* 「下一页」：跳到下一个板块（最后一个则回到第一个） */
.btn-next { background: var(--bg-soft); border-color: var(--border-2); color: var(--text); }
.btn-next:hover { border-color: var(--brand); color: var(--brand); }
.btn-next svg { transition: transform .15s ease; }
.btn-next:hover svg { transform: translateX(3px); }

.docs-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.docs-tabs a {
  font-size: 13.5px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg-soft);
}
.docs-tabs a:hover { color: var(--text); text-decoration: none; border-color: var(--border-2); }
.docs-tabs a.active { color: #1b1206; background: var(--brand); border-color: var(--brand); font-weight: 700; }

/* ---------------------------------------------------------------- 页脚 */

.foot {
  border-top: 1px solid var(--border);
  background: var(--foot-bg);
  margin-top: 50px;
}
.foot-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 20px 14px;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.foot-brand { display: flex; align-items: center; gap: 10px; }
.foot-brand img { border-radius: 7px; }
.foot-name { font-weight: 700; font-size: 14px; }
.foot-sub { color: var(--text-mute); font-size: 12.5px; }
.foot-links { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; }
.foot-links a { color: var(--text-dim); font-size: 13px; }
.foot-links a:hover { color: var(--brand); text-decoration: none; }

.foot-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px 26px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------- 响应式 */

@media (max-width: 860px) {
  .docs-layout { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; }
  .hero { padding: 20px; }
  .hero-icon { width: 72px; height: 72px; border-radius: 18px; }
  .hero h1 { font-size: 24px; }
  .nav-inner { padding: 8px 14px; }
  .nav-links a { padding: 6px 9px; font-size: 13px; }
  .wrap { padding: 18px 14px 44px; }
  .tg-note { margin-left: 0; }
}