/* =========================================================
   Phigros 谱面评价系统 —— 构成主义(Constructivism)风格
   米纸底 + 红/黑几何图形 · 硬边角 · 粗体大写 · 斜向动态
   ========================================================= */

:root {
  --paper: #EFE7D2;      /* 页面底色（米纸） */
  --card: #FCF6E9;       /* 面板/卡片 */
  --card-hi: #FFFFFF;
  --ink: #17120C;        /* 近黑 */
  --ink2: #3A3228;
  --dim: #6E6555;
  --faint: #998E79;
  --red: #D62A1F;
  --red2: #9E160E;
  --blue: #1F4390;
  --gold: #C99A1E;

  --ez: #1E9E58;
  --hd: #2E6FE0;
  --in: #D62A1F;
  --at: #15120C;
  --legacy: #8A8171;

  --font-d: 'Arial', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-b: Arial, 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-b);
  background-color: var(--paper);
  background-image: url('bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--red); color: var(--paper); }

/* ---------- 页头 ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 10px 26px;
  background: rgba(252, 246, 233, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--ink);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px;
  object-fit: cover;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  background: var(--card);
}
.logo > div:last-child {
  font-family: var(--font-d);
  font-size: 17px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.logo .grad { color: var(--red); }

nav { display: flex; gap: 4px; }
nav a {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dim);
  border: 2px solid transparent;
  transition: none;
}
nav a:hover { color: var(--ink); border-color: var(--ink); }
nav a.active { color: var(--paper); background: var(--ink); border-color: var(--ink); clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px); }

.spacer { flex: 1; }
#userArea { display: flex; align-items: center; gap: 10px; }
.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 3px 10px 3px 3px;
  background: var(--card);
  border: 2px solid var(--ink);
  cursor: pointer;
}
.user-chip:hover { box-shadow: 3px 3px 0 var(--red); }
.user-name { font-size: 13px; font-weight: 800; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.avatar {
  width: 30px; height: 30px; border-radius: 0;
  display: grid; place-items: center;
  font-weight: 800; color: #fff;
  border: 2px solid var(--ink);
  flex-shrink: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.avatar.sm { width: 28px; height: 28px; font-size: 12px; }
.avatar.lg { width: 76px; height: 76px; font-size: 34px; }

/* ---------- 按钮 ---------- */
.btn {
  font-family: var(--font-b);
  border: 2px solid var(--ink);
  border-radius: 0;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  color: var(--ink);
  background: var(--card);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(0, 0); box-shadow: none; }
.btn.primary { background: var(--red); color: var(--paper); }
.btn.primary:hover { box-shadow: 4px 4px 0 var(--ink); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 5px 12px; font-size: 12px; }
.btn.block { width: 100%; }

/* ---------- 主体 ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 28px 24px 70px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 3px solid var(--ink);
  box-shadow: 7px 7px 0 var(--ink);
  padding: 44px 44px;
  margin-bottom: 26px;
}
.hero::before {   /* 红圆 */
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: var(--red);
  top: -120px; right: -80px;
  border: 6px solid var(--ink);
}
.hero::after {    /* 黑斜带 */
  content: '';
  position: absolute;
  width: 90px; height: 130%;
  background: var(--ink);
  transform: rotate(34deg);
  top: -20px; left: 34%;
  opacity: .10;
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  border: 2px solid var(--red);
  padding: 3px 12px;
  transform: rotate(-1.2deg);
  margin-bottom: 16px;
  background: var(--paper);
}
.hero h1 {
  font-family: var(--font-d);
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.hero h1::after {   /* 红方块强调 */
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  background: var(--red);
  border: 2px solid var(--ink);
  right: -26px; top: 6px;
}
.hero p { color: var(--dim); font-size: 15px; font-weight: 600; margin-bottom: 26px; max-width: 560px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat b { font-family: var(--font-d); font-size: 30px; line-height: 1; color: var(--ink); border-bottom: 3px solid var(--red); padding-bottom: 4px; }
.stat span { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--dim); margin-top: 6px; font-weight: 700; }

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.search-box {
  flex: 1; min-width: 230px;
  display: flex; align-items: center; gap: 8px;
  background: var(--card-hi);
  border: 2px solid var(--ink);
  padding: 0 12px;
  color: var(--dim);
}
.search-box:focus-within { box-shadow: 3px 3px 0 var(--red); }
.search-box input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--ink); font-size: 14px; font-family: var(--font-b); padding: 10px 0;
}
.select {
  background: var(--card-hi);
  border: 2px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  font-size: 13px;
  font-family: var(--font-b);
  font-weight: 700;
  padding: 9px 12px;
  outline: none;
  cursor: pointer;
}
.select:focus { box-shadow: 3px 3px 0 var(--red); }
.select option { background: var(--card-hi); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.card {
  background: var(--card);
  border: 2px solid var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform .12s, box-shadow .12s;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--red); }
.card-cover {
  height: 130px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 12px 14px;
  border-bottom: 2px solid var(--ink);
  overflow: hidden;
}
.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card-title-overlay {
  position: relative; z-index: 1;
  font-family: var(--font-d);
  font-size: 19px;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,.7), 0 0 2px rgba(0,0,0,.9);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 74%;
}
.card-bpm {
  position: absolute; top: 8px; left: 10px; z-index: 1;
  font-size: 10px; font-weight: 800; letter-spacing: 1px;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 2px 7px;
}
.new-badge {
  position: absolute; top: 8px; right: 10px; z-index: 1;
  font-size: 10px; font-weight: 900; letter-spacing: 1px;
  color: var(--paper);
  background: var(--red);
  border: 1.5px solid var(--ink);
  padding: 2px 8px;
  transform: rotate(2deg);
}
.card-body { padding: 12px 13px 13px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-title {
  font-family: var(--font-d);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-cat {
  font-size: 10px; letter-spacing: .5px; font-weight: 700;
  color: var(--dim);
  border: 1px solid var(--dim);
  padding: 1px 6px;
  max-width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-meta { font-size: 12px; color: var(--dim); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta.dim { color: var(--faint); font-size: 11.5px; font-weight: 400; }
.card-badges { display: flex; gap: 5px; margin-top: 2px; }
.card-footer { margin-top: auto; padding-top: 8px; border-top: 2px solid var(--ink); display: flex; align-items: center; gap: 6px; }

.diff-badge {
  font-size: 11px; font-weight: 800;
  padding: 2px 9px 2px 7px;
  color: #fff;
  letter-spacing: .5px;
  transform: skewX(-8deg);
  box-shadow: 1.5px 1.5px 0 var(--ink);
  background: var(--legacy);
}
.diff-badge.ez { background: var(--ez); }
.diff-badge.hd { background: var(--hd); }
.diff-badge.in { background: var(--in); }
.diff-badge.at { background: var(--at); }
.diff-badge.legacy { background: var(--legacy); }

/* ---------- 星级 ---------- */
.star-ico { font-style: normal; color: #D6C9A8; font-size: 14px; }
.star-ico.on { color: var(--gold); text-shadow: 1px 1px 0 var(--ink); }
.score-stars { display: inline-flex; }
.score-val { font-family: var(--font-d); font-size: 16px; color: var(--ink); }
.score-count { font-size: 11px; color: var(--faint); }

/* ---------- 空状态 ---------- */
.empty { text-align: center; color: var(--dim); padding: 60px 0; font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.empty.dim { padding: 26px 0; font-size: 13px; color: var(--faint); }

/* ---------- 详情页 ---------- */
.detail { display: flex; flex-direction: column; gap: 20px; }
.back {
  color: var(--ink); font-size: 13px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  align-self: flex-start;
  border-bottom: 2px solid var(--red);
  padding-bottom: 1px;
}
.back:hover { color: var(--red); }
.detail-head { display: flex; gap: 26px; flex-wrap: wrap; }
.detail-cover {
  width: 270px; height: 270px;
  position: relative;
  flex-shrink: 0;
  border: 3px solid var(--ink);
  box-shadow: 7px 7px 0 var(--red);
  overflow: hidden;
  display: grid; place-items: center;
}
.detail-cover-title {
  position: relative; z-index: 1;
  font-family: var(--font-d);
  font-size: 26px; text-transform: uppercase;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,.75), 0 0 3px rgba(0,0,0,.9);
  text-align: center; padding: 0 18px;
}
.detail-info { flex: 1; min-width: 280px; }
.detail-info h1 {
  font-family: var(--font-d);
  font-size: 30px; text-transform: uppercase; letter-spacing: .5px;
  margin: 6px 0 16px;
  border-bottom: 4px solid var(--ink);
  padding-bottom: 2px;
  display: inline-block;
}
.detail-info h1::after { content: ''; display: block; height: 3px; background: var(--red); margin-top: -1px; }
.detail-meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px 18px; margin-bottom: 14px; }
.detail-meta .k { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--red); font-weight: 800; margin-right: 8px; }
.detail-meta .v { font-size: 14px; font-weight: 600; }
.detail-note {
  background: #F5EDDA;
  border-left: 6px solid var(--red);
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  color: var(--ink2);
  padding: 8px 12px;
  font-size: 12.5px;
  margin-bottom: 14px;
}
.diff-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.diff-tab {
  border: 2px solid var(--ink);
  background: var(--card);
  color: var(--ink);
  border-radius: 0;
  padding: 7px 16px;
  font-weight: 800;
  font-family: var(--font-b);
  text-transform: uppercase;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; line-height: 1.2;
}
.diff-tab span { font-size: 11px; font-weight: 800; opacity: .8; }
.diff-tab.ez.active { background: var(--ez); color: #fff; border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.diff-tab.hd.active { background: var(--hd); color: #fff; border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.diff-tab.in.active { background: var(--in); color: #fff; border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.diff-tab.at.active { background: var(--at); color: #fff; border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.diff-tab.legacy.active { background: var(--legacy); color: #fff; border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.diff-const { margin-top: 16px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--dim); }
.diff-const b { font-family: var(--font-d); font-size: 24px; color: var(--red); }

.detail-cols { display: grid; grid-template-columns: 1fr 1.1fr; gap: 20px; }
@media (max-width: 860px) { .detail-cols { grid-template-columns: 1fr; } }
.col { background: var(--card); border: 2px solid var(--ink); box-shadow: 5px 5px 0 rgba(23,18,12,.15); padding: 20px; }
.col h2 {
  font-family: var(--font-d);
  font-size: 16px; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 9px;
}
.col h2::before { content: ''; width: 13px; height: 13px; background: var(--red); border: 2px solid var(--ink); flex-shrink: 0; }
.col h2.mt { margin-top: 22px; }
.count-tag { font-size: 11px; background: var(--ink); color: var(--paper); padding: 1px 9px; font-weight: 700; }

.big-score { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 6px 0 18px; border-bottom: 2px solid var(--ink); margin-bottom: 16px; }
.big-num { font-family: var(--font-d); font-size: 60px; line-height: 1; color: var(--red); text-shadow: 3px 3px 0 rgba(23,18,12,.25); }
.big-stars .star-ico { font-size: 22px; }
.big-count { color: var(--faint); font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }

.dist { display: flex; flex-direction: column; gap: 5px; }
.dist-row { display: grid; grid-template-columns: 38px 1fr 26px; align-items: center; gap: 8px; font-size: 12px; color: var(--dim); }
.dist-bar { height: 12px; background: #E2D7BF; border: 1.5px solid var(--ink); }
.dist-fill {
  height: 100%;
  background: repeating-linear-gradient(45deg, var(--red) 0 6px, var(--ink) 6px 12px);
  transition: width .3s;
}
.dist-count { text-align: right; color: var(--faint); font-weight: 700; }

.my-rating { margin-top: 4px; }
.star-picker { display: flex; gap: 2px; flex-wrap: wrap; }
.star-picker .star {
  background: none; border: none; cursor: pointer;
  font-size: 26px; color: #D6C9A8;
  transition: transform .1s;
  padding: 2px;
}
.star-picker .star.on { color: var(--gold); text-shadow: 1px 1px 0 var(--ink); }
.star-picker .star:hover { transform: scale(1.15); }
.my-rating-hint { margin-top: 8px; font-size: 12px; color: var(--dim); }

.need-login {
  background: var(--paper);
  border: 2px dashed var(--ink);
  padding: 18px;
  text-align: center;
  color: var(--dim);
  font-size: 13px; font-weight: 700;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.need-login.big { padding: 60px 20px; font-size: 15px; }

.comment-box { margin-bottom: 14px; }
.comment-box textarea {
  width: 100%;
  background: var(--card-hi);
  border: 2px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  font-size: 13.5px;
  padding: 10px 12px;
  resize: vertical;
  outline: none;
  font-family: var(--font-b);
}
.comment-box textarea:focus { box-shadow: 3px 3px 0 var(--red); }
.comment-actions { display: flex; justify-content: flex-end; margin-top: 9px; }

.comments { display: flex; flex-direction: column; gap: 12px; }
.comment { display: flex; gap: 10px; }
.comment-main { flex: 1; background: #F4EDDB; border: 1.5px solid #D9CFB6; padding: 10px 12px; }
.comment-head { display: flex; align-items: center; gap: 9px; margin-bottom: 5px; }
.comment-user { font-weight: 800; font-size: 13px; }
.comment-time { font-size: 11px; color: var(--faint); }
.comment-del { margin-left: auto; background: none; border: none; color: var(--faint); cursor: pointer; font-size: 12px; font-weight: 700; }
.comment-del:hover { color: var(--red); }
.comment-text { font-size: 13.5px; color: var(--ink); white-space: pre-wrap; word-break: break-word; }

/* ---------- 个人主页 ---------- */
.profile { display: flex; flex-direction: column; gap: 20px; }
.profile-head {
  display: flex; align-items: center; gap: 18px;
  background: var(--card); border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 24px;
}
.profile-head h1 { font-family: var(--font-d); font-size: 26px; text-transform: uppercase; letter-spacing: 1px; }
.profile-meta { color: var(--dim); font-size: 13px; font-weight: 600; }
.profile-stats { margin-left: auto; display: flex; gap: 30px; }
.profile-stats div { display: flex; flex-direction: column; text-align: center; }
.profile-stats b { font-family: var(--font-d); font-size: 28px; color: var(--red); }
.profile-stats span { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); font-weight: 700; }

.profile-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .profile-sections { grid-template-columns: 1fr; } }
.profile-sections section { background: var(--card); border: 2px solid var(--ink); box-shadow: 4px 4px 0 rgba(23,18,12,.15); padding: 20px; }
.profile-sections h2 { font-family: var(--font-d); font-size: 16px; text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.profile-sections h2::before { content: ''; width: 13px; height: 13px; background: var(--red); border: 2px solid var(--ink); }
.profile-row { display: flex; align-items: center; gap: 12px; padding: 8px; border: 1.5px solid transparent; }
.profile-row:hover { background: var(--paper); border-color: var(--ink); }
.mini-cover { width: 44px; height: 44px; border: 1.5px solid var(--ink); flex-shrink: 0; background-size: cover; }
.p-title { font-weight: 800; font-size: 14px; flex: 1; }
.p-score { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.p-score b { font-family: var(--font-d); font-size: 16px; color: var(--red); }
.profile-comment { background: #F4EDDB; border-left: 5px solid var(--red); padding: 10px 13px; margin-bottom: 9px; }
.p-link { color: var(--red); font-weight: 800; font-size: 13.5px; text-transform: uppercase; letter-spacing: .5px; }
.profile-comment .comment-text { margin-top: 5px; }

/* ---------- 弹窗 ---------- */
.modal { display: none; }
.modal.show { display: block; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(23,18,12,.62); z-index: 100; }
.modal-card {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(420px, calc(100vw - 32px));
  background: var(--card);
  border: 3px solid var(--ink);
  box-shadow: 9px 9px 0 var(--red);
  padding: 26px;
  z-index: 101;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  animation: pop .18s ease;
}
@keyframes pop { from { transform: translate(-50%, -47%); opacity: 0; } to { transform: translate(-50%, -50%); opacity: 1; } }
.modal-close {
  position: absolute; top: 6px; right: 12px;
  background: none; border: none; color: var(--dim);
  font-size: 28px; cursor: pointer; line-height: 1; font-weight: 800;
}
.modal-close:hover { color: var(--red); }
.modal-logo {
  text-align: center;
  font-family: var(--font-d);
  font-size: 24px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--red);
  -webkit-text-stroke: 1px var(--ink);
  margin-bottom: 16px;
}
.auth-tabs { display: flex; gap: 4px; margin-bottom: 18px; }
.auth-tab {
  flex: 1; text-align: center; padding: 8px;
  border: 2px solid var(--ink);
  background: transparent; color: var(--ink);
  font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px;
  cursor: pointer;
}
.auth-tab.active { background: var(--ink); color: var(--paper); }
.field { margin-bottom: 13px; }
.field.hidden { display: none; }
.field label { display: block; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--dim); font-weight: 800; margin-bottom: 5px; }
.field .opt { color: var(--faint); font-weight: 400; }
.field input {
  width: 100%;
  background: var(--card-hi);
  border: 2px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  font-size: 14px;
  padding: 9px 12px;
  outline: none;
  font-family: var(--font-b);
}
.field input:focus { box-shadow: 3px 3px 0 var(--red); }
.auth-error { color: var(--red); font-size: 12.5px; font-weight: 700; min-height: 17px; margin-bottom: 8px; }
.auth-tip { text-align: center; font-size: 12px; color: var(--faint); margin-top: 12px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--ink);
  color: var(--paper);
  border-left: 8px solid var(--red);
  border-top: 2px solid var(--red);
  border-bottom: 2px solid var(--red);
  border-right: 2px solid var(--red);
  padding: 11px 20px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  z-index: 200;
  opacity: 0;
  transition: all .25s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--red); background: #3A0E0A; }

/* ---------- 页脚 ---------- */
footer {
  text-align: center;
  padding: 22px 20px 34px;
  color: #C9BFAA;
  font-size: 12px;
  letter-spacing: .5px;
  background: var(--ink);
  border-top: 6px solid var(--red);
}
footer a { color: #E8DFC8; }
footer a:hover { color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: var(--ink); border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--red); }
::-webkit-scrollbar-track { background: var(--paper); }

/* ============ 样式微调 + 背景切换 ============ */
/* 不再使用 Impact 黑体，标题统一为常规黑体 700，观感更清爽 */
.hero h1, .detail-info h1, .card-title-overlay, .detail-cover-title,
.card-title, .col h2, .profile-head h1, .profile-sections h2,
.modal-logo, .big-num, .diff-const b, .stat b, .profile-stats b,
.p-score b, .score-val, .logo > div:last-child {
  font-weight: 700;
}
.hero h1 { font-size: 40px; letter-spacing: .5px; text-transform: none; }
.hero h1::after { width: 14px; height: 14px; right: -22px; }
.logo > div:last-child { font-weight: 700; letter-spacing: .5px; }
.card-title { letter-spacing: 0; }
.detail-info h1 { letter-spacing: .3px; }
.diff-badge { font-weight: 700; }
.btn { font-weight: 700; }
nav a { font-weight: 700; }

/* 背景切换：bg-red(默认 bg.jpg) / bg-blue(bg2.jpg) / bg-none(纯米纸) */
body.bg-none  { background-image: none; }
body.bg-blue { background-image: url('bg2.jpg'); }
body.bg-red  { background-image: url('bg.jpg'); }
#bgBtn { flex-shrink: 0; }

/* 管理员标识（构成主义） */
.role-tag {
  display: inline-block;
  font-size: 10px; font-weight: 800; letter-spacing: 1px;
  color: var(--paper);
  background: var(--red);
  border: 1.5px solid var(--ink);
  padding: 0 6px;
  margin-left: 6px;
  transform: rotate(1deg);
  vertical-align: 1px;
}


/* ===== 外观：深/浅 × 红/蓝 ===== */
body { background-image: none !important; }
body.bg-red, body.bg-blue, body.bg-none { background-image: none !important; }

body.mode-dark {
  --paper: #0f1116; --card: #181b23; --card-hi: #1f232e;
  --ink: #ece7db; --ink2: #c6bfb2; --dim: #a49c8c; --faint: #6f6a5e;
  --red: #e5483d; --red2: #b0271c; --blue: #4f86e0; --gold: #e0ad3a;
}
body.mode-dark header { background: rgba(24, 27, 35, .92); }
body.mode-dark .hero::after { background: rgba(255, 255, 255, .06); }
body.mode-dark .detail-note { background: #20242f; color: #c6bfb2; }
body.mode-dark .comment-main, body.mode-dark .profile-comment { background: #20242f; border-color: #2b303c; }
body.mode-dark .dist-bar { background: #232838; }
body.mode-dark .dist-fill { background: repeating-linear-gradient(45deg, var(--red) 0 6px, #ece7db 6px 12px); }
body.mode-dark footer { background: #14161d; color: #9a948a; }
body.mode-dark footer a { color: #bdb7aa; }
body.mode-dark nav a.active { background: #e5483d; color: #fff; }
body.mode-dark .count-tag { background: #2a2f3c; color: #ece7db; }
body.mode-dark .auth-tab.active { background: #e5483d; color: #fff; }
body.mode-dark .toast { background: #ece7db; color: #14161d; }
body.mode-dark .toast.error { background: #3a0e0a; color: #fff; }
body.mode-dark .btn.ghost { color: #ece7db; }
body.mode-dark ::-webkit-scrollbar-thumb { background: #3a4150; border: 2px solid #0f1116; }
body.mode-dark ::-webkit-scrollbar-track { background: #0f1116; }

/* 强调色：红（默认） / 蓝 */
body.accent-blue { --red: #1f4390; --red2: #163a7a; }
body.mode-dark.accent-blue { --red: #4f86e0; --red2: #3a68b8; }