/* ============================================================
   M3 官方主题 · 组件层
   字体图标：Google Symbols（随 m3-material-zh 打包，Apache-2.0）
   ============================================================ */

@font-face {
  font-family: "Google Symbols";
  font-style: normal;
  font-weight: 100 700;
  font-display: block;
  src: url("../fonts/google-symbols.woff2") format("woff2");
}

.gs {
  font-family: "Google Symbols";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  vertical-align: middle;
}

.gs.fill { font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24; }

/* ---------- 基础排版 ---------- */
html { color-scheme: light; }
[data-dark="true"] { color-scheme: dark; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 22px;
  letter-spacing: .2px;
  color: var(--md-on-background);
  background: var(--md-background);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .card-title {
  font-family: var(--font-brand);
  letter-spacing: -.2px;
}
h1 { font-weight: 700; letter-spacing: -.5px; }
h2 { font-weight: 700; }
h3 { font-weight: 600; }

/* ---------- 顶栏 ---------- */
.m3-topbar {
  background: color-mix(in srgb, var(--md-surface) 92%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid color-mix(in srgb, var(--md-outline-variant) 55%, transparent);
}
.m3-topbar.scrolled {
  box-shadow: var(--elev-2);
  background: color-mix(in srgb, var(--md-surface) 96%, transparent);
}
.m3-topbar .brand span:first-of-type {
  font-family: var(--font-brand);
  font-weight: 600;
  letter-spacing: -.2px;
}
.top-nav a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1px;
  border-radius: var(--shape-full);
  padding: 8px 14px;
  transition: background var(--motion-fast), color var(--motion-fast);
}
.top-nav a:hover { background: color-mix(in srgb, var(--md-primary) var(--state-hover), transparent); }
.top-nav a.active {
  color: var(--md-primary);
  background: color-mix(in srgb, var(--md-primary) 12%, transparent);
}

/* ---------- 按钮 ---------- */
.m3-btn {
  border-radius: var(--shape-full);
  height: 40px;
  padding: 0 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1px;
  gap: 8px;
  transition: box-shadow var(--motion-fast), background var(--motion-fast), transform 120ms ease;
}
.m3-btn:active { transform: scale(.98); }
.m3-btn.sm { height: 36px; padding: 0 16px; font-size: 13px; }
.m3-btn.lg { height: 52px; padding: 0 28px; font-size: 15px; }
.m3-btn.filled { background: var(--md-primary); color: var(--md-on-primary); box-shadow: none; }
.m3-btn.filled:hover { box-shadow: var(--elev-1); filter: none; background: color-mix(in srgb, var(--md-primary) 92%, var(--md-on-primary)); }
.m3-btn.tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.m3-btn.elevated { background: var(--md-surface-container-low); color: var(--md-primary); }
.m3-btn.outlined { border: 1px solid var(--md-outline); color: var(--md-primary); }
.m3-btn.text { color: var(--md-primary); }
.m3-btn .gs { font-size: 18px; }
.m3-btn:focus-visible,
.icon-btn:focus-visible,
.top-nav a:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
}

/* ---------- 图标按钮 ---------- */
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--shape-full);
  display: inline-grid;
  place-items: center;
  color: var(--md-on-surface-variant);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.icon-btn:hover {
  background: color-mix(in srgb, var(--md-on-surface) var(--state-hover), transparent);
  color: var(--md-on-surface);
}
.icon-btn .gs { font-size: 22px; }
.icon-btn svg { width: 22px; height: 22px; fill: currentColor; }

/* ---------- 卡片 ---------- */
.m3-card,
.card {
  border-radius: var(--shape-lg);
  border: 1px solid color-mix(in srgb, var(--md-outline-variant) 55%, transparent);
  background: var(--md-surface-container-low);
  box-shadow: none;
  transition: background var(--motion-fast), box-shadow var(--motion-fast);
}
.m3-card:hover, .card:hover { background: var(--md-surface-container); }

/* ---------- 芯片 / 徽标 ---------- */
.m3-chip, .chip {
  border-radius: var(--shape-xs);
  border: 1px solid var(--md-outline-variant);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2px;
}
.badge {
  border-radius: var(--shape-xs);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}

/* ---------- 表单 ---------- */
input[type="text"], input[type="email"], input[type="password"],
input[type="search"], input[type="url"], input[type="number"],
textarea, select, .m3-text-field {
  border-radius: var(--shape-md);
  border: 1px solid var(--md-outline);
  background: transparent;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--md-primary);
  box-shadow: inset 0 0 0 1px var(--md-primary);
  outline: none;
}

/* ---------- 提示 / 对话框 ---------- */
.m3-alert { border-radius: var(--shape-md); }
.m3-dialog, dialog { border-radius: var(--shape-xl); }
.flash-close { border-radius: var(--shape-full); }

/* ---------- 浮动按钮 ---------- */
.m3-fab {
  border-radius: var(--shape-md);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--elev-2);
}

/* ---------- 管理端图标 ---------- */
.adm-ic { width: 20px; height: 20px; }
.admin-nav-icon .gs { font-size: 20px; }
.admin-nav-icon svg { width: 20px; height: 20px; }

/* ---------- 移动导航 ---------- */
.mobile-nav { border-radius: var(--shape-xl) 0 0 var(--shape-xl); }
.mobile-nav-links a { border-radius: var(--shape-sm); font-size: 15px; }

/* ---------- 主题说明：旧主题已移除 ---------- */
[data-style] { --brand-radius: var(--shape-xl); }

/* ---------- Showcase 层的官方化覆盖 ---------- */
.hm-btn {
  border-radius: var(--shape-full);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: .1px;
  padding: 12px 22px;
}
.hm-btn.solid {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: none;
}
.hm-btn.solid:hover { box-shadow: var(--elev-1); }
.hm-btn.line {
  color: var(--md-primary);
  border: 1px solid var(--md-outline);
  background: transparent;
}
.hm-btn.line:hover { background: color-mix(in srgb, var(--md-primary) 8%, transparent); }
.hm-btn svg { display: none; }
.hm-btn .gs { font-size: 18px; }

.hm-eyebrow {
  color: var(--md-primary);
  letter-spacing: 2.2px;
  font-weight: 600;
}
.hm-hero h1 span { color: var(--md-primary); }
.hm-facts dd { font-family: var(--font-brand); font-weight: 700; letter-spacing: -.6px; }
.hm-index {
  color: var(--md-primary);
  font-family: var(--font-mono);
  letter-spacing: .5px;
}
.hm-tile {
  border-radius: var(--shape-lg);
  border: 1px solid color-mix(in srgb, var(--md-outline-variant) 55%, transparent);
  background: var(--md-surface-container-low);
}
.hm-tile-icon {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-radius: var(--shape-md);
}
.hm-tile-icon .gs { font-size: 22px; }
.hm-tile-icon svg { display: none; }
.hm-tile:hover { background: var(--md-surface-container); }

.hm-app2 {
  border-radius: var(--shape-xxl);
  border: 1px solid color-mix(in srgb, var(--md-outline-variant) 50%, transparent);
  background: var(--md-surface-container-low);
}
.hm-art-card {
  border-radius: var(--shape-xxl);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--elev-2);
}
.hm-blob {
  background: radial-gradient(circle at 40% 40%,
    color-mix(in srgb, var(--md-primary) 45%, transparent),
    transparent 68%);
}
.hm-art-chip {
  border-radius: var(--shape-full);
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border: none;
}
.hm-lead { color: var(--md-on-surface-variant); }

/* 页脚 */
.footer {
  border-top: 1px solid color-mix(in srgb, var(--md-outline-variant) 50%, transparent);
  color: var(--md-on-surface-variant);
}

/* 浅色下顶栏不再用深色玻璃 */
html[data-dark="true"] .m3-topbar {
  border-bottom-color: color-mix(in srgb, var(--md-outline-variant) 70%, transparent);
}

/* 官方暗色底：避免旧 Showcase 的深蓝底 */
html[data-dark="true"] body,
html[data-dark="true"] .hm {
  background-color: var(--md-background);
  background-image: none;
}
html[data-dark="true"] .yc-footer {
  background: var(--md-surface-container-low);
}

/* 去掉页脚顶部分割线 */
.yc-footer { border-top: none; }
.footer { border-top: none; }

/* 个人中心统计卡网格（旧样式缺失导致竖向挤在一起） */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.grid-cards > a,
.grid-cards > .m3-card {
  display: block;
  min-width: 0;
}
@media (max-width: 560px) {
  .grid-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 可读性：小字号统一放大 ---------- */
.hm-eyebrow { font-size: 11px; }
.hm-index { font-size: 12px; }
.hm-facts dt { font-size: 12px; }
.hm-tile > span:last-child,
.hm-row-meta,
.hm-note,
.hm-art-sub,
.hm-art-chip,
.hm-tags span,
.hm-app-id span { font-size: 12px; }
.hm-app2-chips span { font-size: 12px; }

.yc-footer-col h4,
.yc-footer-bottom { font-size: 12.5px; }
.yc-footer-nav a { font-size: 13px; }

.m3-label { font-size: 13px; }
.m3-body-small { font-size: 13px; }
.badge { font-size: 12px; }
.cell-sub { font-size: 12.5px; }
.m3-chip, .chip { font-size: 12.5px; }

/* ROM 列表 */
.roms-recent-ver,
.roms-model-latest {
  font-size: 13px !important;
  line-height: 1.45;
  font-weight: 600;
}
.roms-recent-meta,
.roms-model-meta,
.roms-brand-meta,
.roms-ver-meta,
.roms-device-meta,
.roms-suggest-meta,
.roms-note { font-size: 12.5px !important; line-height: 1.55; }
.roms-ver-name { font-size: 15px !important; }
.roms-tag { font-size: 11.5px !important; }
.roms-stat-chip { font-size: 12.5px !important; }

/* 详情页/下载页辅助信息 */
.dl-meta, .dl-chips span { font-size: 12px; }
.dl-feature p { font-size: 12.5px; line-height: 1.7; }
.dl-head span { font-size: 12.5px; }
.dl-steps span, .dl-steps p { font-size: 12px; line-height: 1.6; }

/* ---------- 首页 App 更新日志 ---------- */
.hm-log {
  background: var(--md-surface-container-low);
  border: 1px solid color-mix(in srgb, var(--md-outline-variant) 55%, transparent);
  border-radius: var(--shape-xxl);
  padding: 20px 22px;
}
.hm-log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.hm-log-version { display: flex; align-items: center; gap: 10px; }
.hm-log-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
}
.hm-log-title { font-family: var(--font-brand); font-size: 15px; font-weight: 700; }
.hm-log-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--md-on-surface-variant);
}
.hm-log-download {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--md-primary);
  text-decoration: none;
}
.hm-log-download .gs { font-size: 18px; }
.hm-log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.hm-log-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--md-on-surface-variant);
}
.hm-log-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--md-primary);
}
.hm-log-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--md-primary);
  text-decoration: none;
}
.hm-log-empty { font-size: 13px; color: var(--md-on-surface-variant); }

/* 版本历史：包校验值 */
.release-hashes {
  display: grid;
  gap: 5px;
  margin-top: 9px;
}
.release-hash {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--md-surface-container-high);
}
.release-hash .hash-k {
  flex: none;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .6px;
  color: var(--md-on-surface-variant);
}
.release-hash code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--md-on-surface-variant);
}

/* 复制下载链接按钮 */
.copy-link-btn { gap: 5px; }
.copy-link-btn .gs { font-size: 16px; }
.copy-link-btn.copied { color: var(--md-primary); }

/* 主题色选择 */
.popover-colors{padding:4px 2px 12px;border-bottom:1px solid color-mix(in srgb,var(--md-outline-variant) 45%,transparent);margin-bottom:10px}
.popover-colors-label{display:block;font-size:11px;color:var(--md-on-surface-variant);margin:2px 2px 9px}
.theme-swatches{display:flex;gap:9px;flex-wrap:wrap}
.theme-swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;background:var(--sw);padding:0;cursor:pointer;position:relative;display:grid;place-items:center;transition:transform var(--motion-fast),box-shadow var(--motion-fast)}
.theme-swatch span{width:10px;height:10px;border-radius:50%;background:#fff;opacity:0;transition:opacity var(--motion-fast)}
.theme-swatch:hover{transform:scale(1.06)}
.theme-swatch.on{border-color:var(--md-on-surface);box-shadow:0 0 0 2px var(--md-surface-container-lowest) inset}
.theme-swatch.on span{opacity:1}