/* 未来科技风背景 + 日夜主题（CSS 变量） */
:root{
  --bg: #f4f7ff;
  --bg2:#ffffff;
  --card:#ffffffcc;
  --text:#0b1220;
  --muted:#5d6b85;
  --border:#e7ecff;
  --accent:#6d5efc;
  --accent2:#14b8a6;
  --shadow: 0 12px 40px rgba(18, 34, 77, .10);
  --glass: rgba(255,255,255,.62);
  --grid: rgba(109, 94, 252, .10);
  --glow: 0 0 30px rgba(109, 94, 252, .18);
}

html[data-theme="dark"]{
  /* 夜间模式：不再“纯黑”，避免刺眼 & 字体对比更舒适 */
  --bg:#0b1020;
  --bg2:#0f1630;
  --card: rgba(22, 29, 58, .72);
  --text:#eef2ff;
  --muted:#b3bddb;
  --border: rgba(255,255,255,.14);
  --accent:#7c6bff;
  --accent2:#2dd4bf;
  --shadow: 0 18px 70px rgba(0,0,0,.32);
  --glass: rgba(16, 21, 44, .62);
  --grid: rgba(124, 107, 255, .12);
  --glow: 0 0 38px rgba(124, 107, 255, .20);
}

body{
  background: radial-gradient(1200px 500px at 20% 15%, rgba(109,94,252,.18), transparent 60%),
              radial-gradient(900px 450px at 85% 25%, rgba(20,184,166,.14), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* 科技网格层 */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(closest-side at 50% 30%, rgba(0,0,0,1), rgba(0,0,0,.0));
  opacity: .8;
}

/* 流光层 */
body::after{
  content:"";
  position: fixed;
  inset: -200px;
  pointer-events: none;
  background: conic-gradient(from 220deg, transparent, rgba(109,94,252,.20), transparent, rgba(20,184,166,.18), transparent);
  filter: blur(40px);
  opacity: .28;
  animation: spin 16s linear infinite;
}
@keyframes spin{
  to { transform: rotate(360deg); }
}

.navbar-glass{
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  border-radius: 18px;
}

.card-glass{
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  border-radius: 18px;
}

.btn-accent{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  color: white !important;
  box-shadow: var(--glow);
}
.btn-accent:hover{ filter: brightness(1.06); }

.badge-soft{
  background: rgba(109,94,252,.10);
  border: 1px solid rgba(109,94,252,.18);
  color: var(--text);
}

.search-hero{
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 22px;
  backdrop-filter: blur(12px);
}

.item-cover{
  border-radius: 14px;
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: rgba(0,0,0,.06);
  border: 1px solid var(--border);
}

.item-title{
  font-weight: 700;
  letter-spacing: .2px;
}

.small-muted{ color: var(--muted); }

.usdt{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight: 700;
}
.usdt svg{ flex:0 0 auto; }

.tg-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  background: linear-gradient(135deg, #27a7e7, #0066ff);
  box-shadow: 0 18px 50px rgba(0, 102, 255, .28);
  border: 1px solid rgba(255,255,255,.25);
}
.tg-float:hover{ filter: brightness(1.06); }
.tg-float svg{ width:26px; height:26px; fill: white; }

.footer{
  color: var(--muted);
  padding: 30px 0;
}

/* 后台表格微调 */
.table td, .table th{ vertical-align: middle; }


/* 分类导航：横向滑动胶囊按钮（手机更好看） */
.cat-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.cat-scroll::-webkit-scrollbar{ display:none; }

.cat-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.45);
  color: var(--text);
  text-decoration:none;
  white-space: nowrap;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  box-shadow: 0 8px 20px rgba(0,0,0,.05);
}
html[data-theme="dark"] .cat-pill{
  background: rgba(13,18,42,.55);
}
.cat-pill:hover{
  transform: translateY(-1px);
  box-shadow: var(--glow);
}

.cat-pill.active{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow);
}

/* 右上角日/夜按钮：更像“开关”+ 表情 */
.theme-toggle-btn{
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 700;
}

/* 排序胶囊 */
.sort-pills{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.sort-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.45);
  color: var(--text);
  text-decoration:none;
  white-space:nowrap;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
html[data-theme="dark"] .sort-pill{
  background: rgba(13,18,42,.55);
}
.sort-pill:hover{ transform: translateY(-1px); box-shadow: var(--glow); }
.sort-pill.active{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color:#fff;
  box-shadow: var(--glow);
}

/* 手机端两列更紧凑 */
@media (max-width: 576px){
  .item-cover{ height: 120px; }
  .card-glass{ padding: 12px !important; }
  .item-title{ font-size: 14px; }
}


/* 右上角固定日/夜按钮 */
.theme-float{
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 9999;
  border-radius: 999px !important;
  padding: 8px 12px !important;
  box-shadow: var(--shadow);
}

/* ==============================
   暗色模式下 Bootstrap 组件可读性
   ============================== */
.form-control, .form-select{
  border-color: var(--border);
}
.form-control:focus, .form-select:focus{
  border-color: rgba(124,107,255,.45);
  box-shadow: 0 0 0 .25rem rgba(124,107,255,.18);
}

html[data-theme="dark"] .form-control,
html[data-theme="dark"] .form-select{
  background-color: rgba(255,255,255,.06);
  color: var(--text);
  border-color: var(--border);
}
html[data-theme="dark"] .form-control::placeholder{ color: var(--muted); }

html[data-theme="dark"] .btn-outline-secondary{
  color: var(--text);
  border-color: var(--border);
}
html[data-theme="dark"] .btn-outline-secondary:hover{
  background: rgba(255,255,255,.06);
}

html[data-theme="dark"] .table{ color: var(--text); }
html[data-theme="dark"] .table > :not(caption) > * > *{
  background-color: transparent;
  color: var(--text);
  border-color: var(--border);
}

html[data-theme="dark"] .pagination .page-link{
  background: rgba(255,255,255,.06);
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="dark"] .page-item.active .page-link{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color:#fff;
}

html[data-theme="dark"] .dropdown-menu{
  background: rgba(16,21,44,.96);
  border-color: var(--border);
  box-shadow: var(--shadow);
}
html[data-theme="dark"] .dropdown-item{ color: var(--text); }
html[data-theme="dark"] .dropdown-item:hover{ background: rgba(124,107,255,.12); }

html[data-theme="dark"] .alert{
  background: rgba(255,255,255,.07);
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="dark"] .alert a{ color: var(--accent2); }

/* 富文本（详情页）：强制继承主题色，避免夜间黑字刺眼 */
.richtext{ color: var(--text); }
.richtext a{ color: var(--accent); }
html[data-theme="dark"] .richtext, html[data-theme="dark"] .richtext *{
  color: var(--text) !important;
}
html[data-theme="dark"] .richtext a{ color: var(--accent2) !important; }

/* ==============================
   后台：左侧可收缩导航布局
   ============================== */
.admin-shell{
  display:flex;
  min-height: 100vh;
  gap: 18px;
  padding: 18px;
}

.admin-sidebar{
  width: 260px;
  flex: 0 0 260px;
  height: calc(100vh - 36px);
  position: sticky;
  top: 18px;
  overflow: auto;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  padding: 14px;
  display:flex;
  flex-direction: column;
}

.sidebar-brand{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.brand-link{
  display:flex;
  align-items:center;
  gap: 8px;
  font-weight: 800;
  text-decoration:none;
  color: var(--text);
}
.brand-link:hover{ color: var(--text); }

.sidebar-nav{
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.sidebar-link{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  text-decoration:none;
  color: var(--text);
  border: 1px solid transparent;
}
.sidebar-link:hover{
  background: rgba(124,107,255,.10);
  border-color: rgba(124,107,255,.20);
}
.sidebar-link.active{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow);
}
.sidebar-ico{ width: 24px; text-align:center; flex:0 0 auto; }
.sidebar-divider{ height:1px; background: var(--border); margin: 10px 0; opacity: .85; }
.sidebar-footer{ margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }

.admin-main{ flex:1; min-width:0; }
.admin-topbar{
  padding: 10px 14px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  gap: 10px;
}

.admin-sidebar-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 1039;
}

body.admin-sidebar-collapsed .admin-sidebar{
  width: 76px;
  flex-basis: 76px;
  padding: 12px 10px;
}
body.admin-sidebar-collapsed .brand-text,
body.admin-sidebar-collapsed .sidebar-text{
  display:none;
}
body.admin-sidebar-collapsed .sidebar-link{ justify-content:center; padding: 10px 10px; }

@media (max-width: 991.98px){
  .admin-shell{ padding: 0; gap: 0; }
  .admin-sidebar{
    position: fixed;
    inset: 0 auto 0 0;
    height: 100vh;
    width: 280px;
    transform: translateX(-110%);
    transition: transform .18s ease;
    z-index: 1040;
    border-radius: 0 18px 18px 0;
  }
  body.admin-sidebar-open .admin-sidebar{ transform: translateX(0); }
  body.admin-sidebar-open .admin-sidebar-backdrop{
    opacity: 1;
    pointer-events: auto;
  }
  .admin-main{ padding: 18px; }
}