/* =========================================================
   Phigros 谱面评价系统 —— Apple Style（独立主题）
   仅在 apple 风格启用时由 index.html 引入（与 style.css 互斥）
   白/黑/Apple灰 #f5f5f7 · 强调 Apple 蓝 #0071e3
   大留白 · 圆角 · 轻阴影 · 系统字体 · 无渐变无重边框
   ========================================================= */

:root {
  --a-bg: #f5f5f7;
  --a-bg2: #e8e8ed;
  --a-panel: #ffffff;
  --a-ink: #1d1d1f;
  --a-gray: #6e6e73;
  --a-gray3: #86868b;
  --a-blue: #0071e3;
  --a-blueh: #0077ed;
  --a-green: #34c759;
  --a-red: #ff3b30;
  --a-yellow: #f5a623;
  --a-shadow-s: 0 2px 8px rgba(0, 0, 0, 0.04);
  --a-shadow-m: 0 4px 12px rgba(0, 0, 0, 0.08);
  --a-shadow-l: 0 8px 24px rgba(0, 0, 0, 0.12);
  --a-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --a-radius: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  background-color: var(--a-bg);
  background-image: none !important;
  color: var(--a-ink);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
::selection { background: rgba(0, 113, 227, 0.85); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- 页头 ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 28px;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 32px; height: 32px;
  object-fit: cover;
  border-radius: 999px;
  background: #eee;
  box-shadow: var(--a-shadow-s);
}
.logo > div:last-child {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--a-ink);
  white-space: nowrap;
}
.logo .grad { color: var(--a-blue); }

nav { display: flex; gap: 2px; }
nav a {
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--a-gray);
  border-radius: 999px;
  transition: background .25s var(--a-ease), color .25s var(--a-ease);
}
nav a:hover { color: var(--a-ink); background: rgba(0, 0, 0, 0.05); }
nav a.active { color: #fff; background: var(--a-ink); }
nav a.active:hover { color: #fff; background: var(--a-ink); }

.spacer { flex: 1; }
#userArea { display: flex; align-items: center; gap: 8px; }
.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 3px 12px 3px 4px;
  border-radius: 999px;
  background: var(--a-bg2);
  cursor: pointer;
  transition: background .25s var(--a-ease);
}
.user-chip:hover { background: #dcdce1; }
.user-name { font-size: 13px; font-weight: 600; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.avatar {
  width: 30px; height: 30px;
  border-radius: 999px;
  display: grid; place-items: center;
  font-weight: 700; color: #fff;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}
.avatar.sm { width: 28px; height: 28px; font-size: 13px; }
.avatar.lg { width: 72px; height: 72px; font-size: 30px; }

/* ---------- 按钮 ---------- */
.btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  color: var(--a-ink);
  background: var(--a-bg2);
  transition: background .25s var(--a-ease), color .25s var(--a-ease), transform .2s var(--a-ease), box-shadow .3s var(--a-ease);
}
.btn:hover { background: #dcdce1; }
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.3); }
.btn[disabled], .btn.is-off { opacity: .45; pointer-events: none; }
.btn.primary { background: var(--a-blue); color: #fff; }
.btn.primary:hover { background: var(--a-blueh); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: rgba(0, 0, 0, 0.06); }
.btn.sm { padding: 6px 14px; font-size: 13px; }
.btn.block { width: 100%; }

/* ---------- 主体 ---------- */
main { max-width: 980px; margin: 0 auto; padding: 44px 24px 96px; }

/* ---------- Hero ---------- */
.hero {
  background: var(--a-panel);
  border-radius: 28px;
  box-shadow: var(--a-shadow-m);
  padding: 64px 56px;
  margin-bottom: 40px;
}
.hero::before, .hero::after { content: none; }
.hero-inner { max-width: 720px; }
.hero-badge { display: none; }
.hero h1 {
  font-size: 52px;
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero h1::after { content: none; }
.hero p { color: var(--a-gray); font-size: 19px; margin-bottom: 34px; max-width: 560px; }
.hero-stats { display: flex; gap: 56px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid #ececf1; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat b { font-size: 34px; font-weight: 600; letter-spacing: -0.01em; color: var(--a-ink); }
.stat span { font-size: 13px; color: var(--a-gray3); }

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.search-box {
  flex: 1; min-width: 230px;
  display: flex; align-items: center; gap: 8px;
  background: var(--a-bg);
  border-radius: 16px;
  padding: 0 16px;
  color: var(--a-gray3);
  transition: box-shadow .3s var(--a-ease);
}
.search-box:focus-within { box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.25); background: #fff; }
.search-box input {
  flex: 1;
  background: transparent; border: none; outline: none;
  color: var(--a-ink); font-size: 15px; font-family: inherit;
  padding: 12px 0;
}
.search-box input::placeholder { color: var(--a-gray3); }
.select {
  appearance: none;
  background: var(--a-bg) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%2386868b' stroke-width='1.6' stroke-linecap='round'/></svg>") no-repeat right 16px center;
  border: 0;
  border-radius: 16px;
  color: var(--a-ink);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  padding: 12px 36px 12px 16px;
  outline: none;
  cursor: pointer;
  transition: box-shadow .3s var(--a-ease), background-color .3s var(--a-ease);
}
.select:focus { box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.25); background-color: #fff; }
.select option { background: #fff; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
.card {
  background: var(--a-panel);
  border-radius: 22px;
  box-shadow: var(--a-shadow-s);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform .4s var(--a-ease), box-shadow .4s var(--a-ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--a-shadow-l); }
.card:active { transform: translateY(-2px) scale(0.99); }
.card-cover {
  position: relative;
  height: 140px;
  background: var(--a-bg2) !important;   /* 覆盖内联渐变兜底 */
  overflow: hidden;
}
.cover-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--a-ease);
}
.card:hover .cover-img { transform: scale(1.04); }
.card-title-overlay { display: none; }
.card-bpm {
  position: absolute; top: 10px; left: 10px;
  font-size: 10px; font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.62);
  border-radius: 999px;
  padding: 3px 9px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.new-badge {
  position: absolute; top: 10px; right: 10px;
  font-size: 10px; font-weight: 700;
  color: #fff;
  background: var(--a-red);
  border-radius: 999px;
  padding: 3px 9px;
}
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-cat {
  font-size: 11px;
  color: var(--a-gray3);
  background: var(--a-bg2);
  border-radius: 999px;
  padding: 2px 9px;
  max-width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex-shrink: 0;
}
.card-meta { font-size: 13px; color: var(--a-gray); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta.dim { color: var(--a-gray3); font-size: 12px; }
.card-badges { display: flex; gap: 6px; margin-top: 8px; }
.card-footer { margin-top: auto; padding-top: 10px; display: flex; align-items: center; gap: 8px; }

.diff-badge {
  font-size: 11px; font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  color: #fff;
}
.diff-badge.ez { background: var(--a-green); }
.diff-badge.hd { background: var(--a-blue); }
.diff-badge.in { background: var(--a-red); }
.diff-badge.at { background: #111; }
.diff-badge.legacy { background: var(--a-gray3); }

/* ---------- 星级 ---------- */
.star-ico { font-style: normal; color: #e0e0e5; font-size: 14px; }
.star-ico.on { color: var(--a-yellow); }
.score-stars { display: inline-flex; }
.score-val { font-weight: 600; font-size: 15px; color: var(--a-ink); }
.score-count { font-size: 12px; color: var(--a-gray3); }

/* ---------- 空状态 ---------- */
.empty { text-align: center; color: var(--a-gray); padding: 70px 0; font-size: 15px; }
.empty.dim { padding: 30px 0; font-size: 14px; color: var(--a-gray3); }

/* ---------- 详情页 ---------- */
.detail { display: flex; flex-direction: column; gap: 28px; }
.back {
  color: var(--a-blue); font-size: 14px; font-weight: 500;
  align-self: flex-start;
}
.back:hover { text-decoration: underline; }
.detail-head { display: flex; gap: 32px; flex-wrap: wrap; }
.detail-cover {
  width: 260px; height: 260px;
  flex-shrink: 0;
  border-radius: 26px;
  background: var(--a-bg2) !important;
  box-shadow: var(--a-shadow-m);
  overflow: hidden;
  display: grid; place-items: center;
  position: relative;
}
.detail-cover .cover-img { border-radius: 26px; }
.detail-cover-title { display: none; }
.detail-info { flex: 1; min-width: 280px; display: flex; flex-direction: column; gap: 14px; }
.detail-info h1 { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.detail-info h1::after { content: none; }
.detail-meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px 24px; background: var(--a-bg); border-radius: 18px; padding: 16px 18px; }
.detail-meta .k { font-size: 12px; color: var(--a-gray3); margin-right: 6px; }
.detail-meta .v { font-size: 15px; font-weight: 600; }
.detail-note {
  background: var(--a-bg);
  border-radius: 16px;
  color: var(--a-gray);
  padding: 12px 16px;
  font-size: 13px;
}
.diff-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.diff-tab {
  border: 0;
  border-radius: 999px;
  background: var(--a-bg2);
  color: var(--a-ink);
  padding: 8px 18px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: transform .2s var(--a-ease), background .25s var(--a-ease), color .25s var(--a-ease);
}
.diff-tab span { font-size: 12px; opacity: .8; font-weight: 500; }
.diff-tab:active { transform: scale(0.96); }
.diff-tab.ez.active { background: var(--a-green); color: #fff; }
.diff-tab.hd.active { background: var(--a-blue); color: #fff; }
.diff-tab.in.active { background: var(--a-red); color: #fff; }
.diff-tab.at.active { background: #111; color: #fff; }
.diff-tab.legacy.active { background: var(--a-gray3); color: #fff; }
.diff-const { font-size: 13px; color: var(--a-gray); }
.diff-const b { font-size: 26px; font-weight: 700; color: var(--a-ink); }

.detail-cols { display: grid; grid-template-columns: 1fr 1.1fr; gap: 24px; }
@media (max-width: 860px) { .detail-cols { grid-template-columns: 1fr; } }
.col {
  background: var(--a-panel);
  border-radius: 22px;
  box-shadow: var(--a-shadow-s);
  padding: 28px;
}
.col h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.col h2::before { content: none; }
.col h2.mt { margin-top: 30px; }
.count-tag { font-size: 13px; color: var(--a-gray3); background: var(--a-bg2); border-radius: 999px; padding: 2px 10px; }

.big-score { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 10px 0 22px; margin-bottom: 20px; }
.big-num { font-size: 64px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; color: var(--a-ink); }
.big-stars .star-ico { font-size: 24px; }
.big-count { color: var(--a-gray3); font-size: 13px; }

.dist { display: flex; flex-direction: column; gap: 7px; }
.dist-row { display: grid; grid-template-columns: 36px 1fr 26px; align-items: center; gap: 10px; font-size: 13px; color: var(--a-gray); }
.dist-bar { height: 6px; background: var(--a-bg2); border-radius: 999px; overflow: hidden; }
.dist-fill { height: 100%; background: var(--a-blue); border-radius: 999px; transition: width .4s var(--a-ease); }
.dist-count { text-align: right; color: var(--a-gray3); }

.my-rating { margin-top: 6px; }
.star-picker { display: flex; gap: 4px; flex-wrap: wrap; }
.star-picker .star {
  background: none; border: none; cursor: pointer;
  font-size: 28px; color: #e0e0e5;
  padding: 2px;
  transition: color .15s var(--a-ease), transform .2s var(--a-ease);
}
.star-picker .star:hover { transform: scale(1.18); }
.star-picker .star.on { color: var(--a-yellow); }
.my-rating-hint { margin-top: 10px; font-size: 13px; color: var(--a-gray); }

.need-login {
  background: var(--a-bg);
  border-radius: 18px;
  padding: 22px;
  text-align: center;
  color: var(--a-gray);
  font-size: 14px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.need-login.big { padding: 80px 24px; font-size: 17px; }

.comment-box { margin-bottom: 18px; }
.comment-box textarea {
  width: 100%;
  background: var(--a-bg);
  border: 0;
  border-radius: 16px;
  color: var(--a-ink);
  font-size: 14px;
  padding: 14px 16px;
  resize: vertical;
  outline: none;
  font-family: inherit;
  transition: box-shadow .3s var(--a-ease), background-color .3s var(--a-ease);
}
.comment-box textarea:focus { background: #fff; box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.25); }
.comment-actions { display: flex; justify-content: flex-end; margin-top: 12px; }

.comments { display: flex; flex-direction: column; gap: 14px; }
.comment { display: flex; gap: 12px; }
.comment-main { flex: 1; background: var(--a-bg); border-radius: 18px; padding: 12px 16px; }
.comment-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.comment-user { font-weight: 600; font-size: 14px; }
.comment-time { font-size: 12px; color: var(--a-gray3); }
.comment-del { margin-left: auto; background: none; border: none; color: var(--a-gray3); cursor: pointer; font-size: 12px; }
.comment-del:hover { color: var(--a-red); }
.comment-text { font-size: 14px; color: var(--a-ink); white-space: pre-wrap; word-break: break-word; }

/* ---------- 个人主页 ---------- */
.profile { display: flex; flex-direction: column; gap: 26px; }
.profile-head {
  display: flex; align-items: center; gap: 22px;
  background: var(--a-panel);
  border-radius: 24px;
  box-shadow: var(--a-shadow-s);
  padding: 30px;
}
.profile-head h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.profile-meta { color: var(--a-gray); font-size: 14px; }
.profile-stats { margin-left: auto; display: flex; gap: 40px; }
.profile-stats div { display: flex; flex-direction: column; text-align: center; gap: 2px; }
.profile-stats b { font-size: 30px; font-weight: 700; }
.profile-stats span { font-size: 12px; color: var(--a-gray3); }

.profile-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .profile-sections { grid-template-columns: 1fr; } }
.profile-sections section {
  background: var(--a-panel);
  border-radius: 22px;
  box-shadow: var(--a-shadow-s);
  padding: 26px;
}
.profile-sections h2 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 16px; }
.profile-sections h2::before { content: none; }
.profile-row {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 10px;
  border-radius: 14px;
  transition: background .25s var(--a-ease);
}
.profile-row:hover { background: var(--a-bg); }
.mini-cover { width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0; background: var(--a-bg2) !important; }
.p-title { font-weight: 600; font-size: 15px; flex: 1; }
.p-score { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--a-gray); }
.p-score b { font-size: 16px; color: var(--a-ink); }
.profile-comment { background: var(--a-bg); border-radius: 16px; padding: 12px 16px; margin-bottom: 10px; }
.p-link { color: var(--a-blue); font-weight: 600; font-size: 14px; }
.p-link:hover { text-decoration: underline; }
.profile-comment .comment-text { margin-top: 4px; }

/* ---------- 弹窗 ---------- */
.modal { display: none; }
.modal.show { display: block; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.4); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); z-index: 100; }
.modal-card {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(420px, calc(100vw - 32px));
  background: var(--a-panel);
  border-radius: 24px;
  box-shadow: var(--a-shadow-l);
  padding: 30px;
  z-index: 101;
  animation: a-pop .35s var(--a-ease);
}
@keyframes a-pop { from { transform: translate(-50%, -48%) scale(0.97); opacity: 0; } to { transform: translate(-50%, -50%) scale(1); opacity: 1; } }
.modal-close {
  position: absolute; top: 16px; right: 18px;
  background: none; border: none;
  color: var(--a-gray3);
  font-size: 26px; cursor: pointer; line-height: 1;
  border-radius: 999px;
  width: 32px; height: 32px;
  transition: background .25s var(--a-ease), color .25s var(--a-ease);
}
.modal-close:hover { background: var(--a-bg2); color: var(--a-ink); }
.modal-logo {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--a-ink);
  margin-bottom: 22px;
}
.auth-tabs { display: flex; gap: 4px; background: var(--a-bg2); border-radius: 999px; padding: 4px; margin-bottom: 22px; }
.auth-tab {
  flex: 1; text-align: center; padding: 9px;
  border: 0; background: transparent; color: var(--a-gray);
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer;
  border-radius: 999px;
  transition: background .3s var(--a-ease), color .3s var(--a-ease);
}
.auth-tab.active { background: #fff; color: var(--a-ink); box-shadow: var(--a-shadow-s); }
.field { margin-bottom: 16px; }
.field.hidden { display: none; }
.field label { display: block; font-size: 13px; color: var(--a-gray); margin-bottom: 7px; }
.field .opt { color: var(--a-gray3); font-weight: 400; }
.field input {
  width: 100%;
  background: var(--a-bg);
  border: 0;
  border-radius: 14px;
  color: var(--a-ink);
  font-size: 15px;
  padding: 12px 16px;
  outline: none;
  font-family: inherit;
  transition: box-shadow .3s var(--a-ease), background-color .3s var(--a-ease);
}
.field input:focus { background: #fff; box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.25); }
.field input::placeholder { color: var(--a-gray3); }
.auth-error { color: var(--a-red); font-size: 13px; min-height: 18px; margin-bottom: 10px; }
.auth-tip { text-align: center; font-size: 13px; color: var(--a-gray3); margin-top: 16px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(90px);
  background: rgba(29, 29, 31, 0.94);
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 200;
  opacity: 0;
  transition: all .4s var(--a-ease);
  pointer-events: none;
  box-shadow: var(--a-shadow-l);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--a-red); }

/* ---------- 页脚 ---------- */
footer {
  text-align: center;
  padding: 34px 24px 60px;
  color: var(--a-gray3);
  font-size: 13px;
  border-top: 1px solid #ececf1;
  background: transparent;
}
footer a { color: var(--a-gray); }
footer a:hover { color: var(--a-ink); text-decoration: underline; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #d2d2d7; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #b8b8bd; }
::-webkit-scrollbar-track { background: transparent; }

/* 管理员标识（Apple） */
.role-tag {
  font-size: 10px; font-weight: 600; color: #fff;
  background: var(--a-blue);
  border-radius: 999px;
  padding: 1px 8px;
  margin-left: 6px;
  vertical-align: 1px;
}


/* ===== 外观：深/浅 × 红/蓝 ===== */
body.mode-dark {
  --a-bg: #000; --a-bg2: #2c2c2e; --a-panel: #1c1c1e;
  --a-ink: #f5f5f7; --a-gray: #a1a1a6; --a-gray3: #6e6e73;
  --a-blue: #0a84ff; --a-blueh: #409cff;
  --a-green: #30d158; --a-red: #ff453a; --a-yellow: #ffd60a;
}
body.mode-dark header { background: rgba(28, 28, 30, .82); border-bottom-color: rgba(255, 255, 255, .1); }
body.mode-dark footer { border-top-color: rgba(255, 255, 255, .1); }
body.mode-dark .select, body.mode-dark .select:focus { background-color: #2c2c2e; }
body.mode-dark .select option { background: #1c1c1e; }
body.mode-dark .comment-box textarea:focus, body.mode-dark .field input:focus { background: #2c2c2e; }
body.mode-dark ::-webkit-scrollbar-thumb { background: #3a3a3c; }
body.mode-dark ::-webkit-scrollbar-thumb:hover { background: #5a5a5e; }

/* 强调色：蓝（默认） / 红 */
body.accent-red { --a-blue: #ff3b30; --a-blueh: #e83426; }
body.mode-dark.accent-red { --a-blue: #ff453a; --a-blueh: #ff695d; }
body.accent-red .search-box:focus-within,
body.accent-red .select:focus,
body.accent-red .comment-box textarea:focus,
body.accent-red .field input:focus { box-shadow: 0 0 0 4px rgba(255, 59, 48, .25); }

/* ===== 深色下修正：聚焦/悬停不闪白，文字保持可读 ===== */
body.mode-dark .search-box:focus-within { background: #2c2c2e; }
body.mode-dark .btn:hover { background: #3a3a3c; }
body.mode-dark .btn.ghost:hover { background: #3a3a3c; }
body.mode-dark .user-chip:hover { background: #3a3a3c; }
body.mode-dark .auth-tab.active { background: #2c2c2e; color: #f5f5f7; }
body.mode-dark .select option { background: #1c1c1e; color: #f5f5f7; }
body.mode-dark .nav a:hover { background: #3a3a3c; }
body.mode-dark nav a.active,
body.mode-dark nav a.active:hover { background: #e8e8ed; color: #1d1d1f; }