/* ============================================================
   草花A俱乐部 · 暗夜霓虹 · 渐变高端主题
   深空黑 + 紫青霓虹渐变 + 玻璃拟态
   全响应式：桌面 ≥1024 / 平板 768-1024 / 手机 <768
   ============================================================ */
:root {
  --bg: #0a0b12;
  --card: rgba(255,255,255,0.03);
  --card-hover: rgba(255,255,255,0.055);
  --card-solid: #13141f;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(139,92,246,0.35);
  --primary: #8b5cf6;          /* 霓虹紫 */
  --primary-2: #22d3ee;        /* 霓虹青 */
  --gradient: linear-gradient(135deg, #8b5cf6 0%, #22d3ee 100%);
  --gold: #d4af37;             /* 点缀金 */
  --accent: #2dd4bf;           /* 青绿（盈利/在线/成功）*/
  --text: #eef0f8;
  --text-dim: #8a8fa8;
  --danger: #f43f5e;
  --sidebar-bg: #07080f;
  --sidebar-hover: rgba(255,255,255,0.04);
  --shadow: 0 2px 12px rgba(0,0,0,0.45);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --radius: 16px;
  --radius-sm: 10px;
  --font-num: 'Roboto Mono', 'Consolas', 'SF Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background:
    radial-gradient(1100px 560px at 50% -12%, rgba(139,92,246,0.20) 0%, transparent 55%),
    radial-gradient(900px 480px at 88% 8%, rgba(34,211,238,0.13) 0%, transparent 52%),
    radial-gradient(800px 500px at 8% 30%, rgba(139,92,246,0.08) 0%, transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ============ 登录页 ============ */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1000px 520px at 50% -8%, rgba(139,92,246,0.28) 0%, transparent 58%),
    radial-gradient(700px 420px at 80% 15%, rgba(34,211,238,0.16) 0%, transparent 55%),
    var(--bg);
  position: relative; overflow: hidden;
  padding: 20px;
}
.login-page::before {
  content: ''; position: absolute; top: -18%; left: 50%; transform: translateX(-50%);
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.20) 0%, rgba(34,211,238,0.08) 45%, transparent 70%);
  filter: blur(10px);
  animation: glowPulse 5s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.12); }
}
.login-box {
  width: 100%; max-width: 400px;
  background: rgba(18,19,31,0.66); border: 1px solid var(--border);
  border-radius: 22px; padding: 40px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55), 0 0 0 1px rgba(139,92,246,0.06) inset;
  backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  position: relative; z-index: 1;
}
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo img { width: 82px; height: 82px; border-radius: 18px; object-fit: cover; border: 2px solid var(--gold); animation: logoGlow 2.8s ease-in-out infinite; }
@keyframes logoGlow {
  0%, 100% { box-shadow: 0 0 0 4px rgba(212,175,55,0.14), 0 0 22px rgba(212,175,55,0.22); }
  50% { box-shadow: 0 0 0 6px rgba(212,175,55,0.24), 0 0 40px rgba(212,175,55,0.4); }
}
.login-logo h1 { font-size: 21px; font-weight: 700; margin-top: 14px; letter-spacing: 1px; }
.login-logo p { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.login-form { margin-top: 8px; }
.login-form .form-group { margin-bottom: 18px; }
.login-form .btn { width: 100%; padding: 12px; font-size: 15px; }

/* ============ 布局 ============ */
.admin-layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: 250px; background: var(--sidebar-bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; left: 0; top: 0; bottom: 0;
  z-index: 100; transition: width 0.25s, transform 0.25s;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
.sidebar.collapsed { width: 64px; }
.sidebar-header { padding: 20px 16px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.sidebar-header img { width: 40px; height: 40px; border-radius: 11px; object-fit: cover; border: 2px solid var(--gold); flex-shrink: 0; box-shadow: 0 0 0 3px rgba(212,175,55,0.12); }
.sidebar-header .brand-text { overflow: hidden; white-space: nowrap; }
.sidebar-header .brand-text h2 { font-size: 15px; color: var(--text); font-weight: 700; letter-spacing: 0.5px; }
.sidebar-header .brand-text span { font-size: 10px; color: var(--gold); letter-spacing: 1.5px; }
.sidebar.collapsed .brand-text { display: none; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.nav-group { margin: 0; }
.nav-group-header {
  padding: 10px 18px; font-size: 11px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1.2px; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 6px; transition: color 0.2s;
}
.nav-group-header:hover { color: var(--text); }
.nav-group-header::before { content: '▸'; font-size: 10px; transition: transform 0.2s; }
.nav-group.open > .nav-group-header::before { transform: rotate(90deg); }
.nav-group-body { overflow: hidden; max-height: 0; transition: max-height 0.3s ease; }
.nav-group.open > .nav-group-body { max-height: 400px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px 9px 26px; color: var(--text-dim); text-decoration: none;
  font-size: 13px; transition: all 0.2s; white-space: nowrap;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--sidebar-hover); color: var(--text); }
.nav-item.active {
  color: #c4b5fd; background: linear-gradient(90deg, rgba(139,92,246,0.14), transparent);
  border-left: 3px solid var(--primary); padding-left: 23px;
}
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.nav-icon svg { width: 18px; height: 18px; }

.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.logout-btn { color: var(--text-dim); text-decoration: none; font-size: 12px; transition: color 0.2s; }
.logout-btn:hover { color: var(--danger); }
.sidebar.collapsed .nav-item { padding: 12px 0; justify-content: center; }
.sidebar.collapsed .nav-item span:not(.nav-icon) { display: none; }
.sidebar.collapsed .nav-item.active { padding-left: 0; }
.sidebar.collapsed .nav-group-header { display: none; }

/* 主内容 */
.main-content { flex: 1; margin-left: 250px; transition: margin-left 0.25s; min-width: 0; }
.sidebar.collapsed + .main-content { margin-left: 64px; }

.topbar {
  background: rgba(10,11,18,0.72); border-bottom: 1px solid var(--border); padding: 10px 24px;
  display: flex; align-items: center; gap: 14px; position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
.menu-toggle { background: none; border: 1px solid var(--border); color: var(--text); font-size: 20px; cursor: pointer; padding: 8px 14px; border-radius: 8px; transition: all 0.2s; line-height: 1; min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
.menu-toggle:hover { background: var(--sidebar-hover); }
.menu-toggle:active { background: var(--sidebar-hover); border-color: var(--primary); }
.topbar-title { font-size: 15px; font-weight: 600; color: var(--text); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; color: var(--text-dim); font-size: 13px; }

.content-area { padding: 24px; max-width: 1440px; margin: 0 auto; }

/* ============ 卡片（玻璃拟态）============ */
.card, .card-table {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 18px; box-shadow: var(--shadow);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover, .card-table:hover { border-color: var(--border-strong); box-shadow: var(--shadow-lg); }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); font-size: 15px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.card-body { padding: 20px; }
.card-line { height: 1px; background: var(--border); }

/* ============ 表单 ============ */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 14px; outline: none;
  font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(139,92,246,0.15); }
.form-inline { display: inline-block; margin-right: 10px; vertical-align: top; }
.form-search { padding: 16px 20px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.form-search label { font-size: 12px; color: var(--text-dim); margin-bottom: 4px; display: block; }
.form-search input, .form-search select { padding: 8px 12px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 13px; outline: none; min-width: 90px; }
.form-search input:focus, .form-search select:focus { border-color: var(--primary); }
.form-search .btn { height: 38px; }

/* ============ 按钮 ============ */
.btn {
  padding: 9px 20px; border: none; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: inherit; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 4px 18px rgba(139,92,246,0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 26px rgba(139,92,246,0.5); filter: brightness(1.06); }
.btn-danger { background: var(--danger); color: #fff; box-shadow: 0 2px 12px rgba(244,63,94,0.3); }
.btn-danger:hover { background: #fb5d78; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: #c4b5fd; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
.data-table th {
  background: var(--card-solid); padding: 12px 14px; text-align: left; font-weight: 600;
  color: var(--text-dim); border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover td { background: rgba(255,255,255,0.03); }
.data-table tr.row-player td { background: rgba(45,212,191,0.06); }
.data-table tr.row-player:hover td { background: rgba(45,212,191,0.1); }
.data-table tr.row-exited td { background: rgba(139,92,246,0.06); }
.data-table tr.row-banned td { background: rgba(244,63,94,0.07); }
.data-table .empty { text-align: center; padding: 48px; color: var(--text-dim); font-size: 13px; }
.data-table .empty::before { content: '♣'; display: block; font-size: 40px; margin-bottom: 12px; opacity: 0.55; }
.data-table .num { font-family: var(--font-num); }

/* ============ 分页 ============ */
.pagination { padding: 14px 0; display: flex; align-items: center; gap: 8px; font-size: 13px; flex-wrap: wrap; }
.page-info { color: var(--text-dim); }
.page-btn { padding: 6px 14px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; color: var(--text); cursor: pointer; font-size: 13px; transition: all 0.2s; }
.page-btn:hover { border-color: var(--primary); color: #c4b5fd; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============ 徽章 ============ */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.badge-green { background: rgba(45,212,191,0.15); color: var(--accent); }
.badge-green::before { animation: dotPulse 2s ease-in-out infinite; }
.badge-red { background: rgba(244,63,94,0.15); color: var(--danger); }
@keyframes dotPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.badge-gray { background: rgba(138,143,168,0.15); color: var(--text-dim); }
.badge-orange { background: rgba(212,175,55,0.15); color: var(--gold); }
.badge-blue { background: rgba(34,211,238,0.15); color: var(--primary-2); }
.badge-black { background: rgba(0,0,0,0.4); color: var(--text); }

/* ============ 弹窗 ============ */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.68); display: flex; align-items: center; justify-content: center; z-index: 1000; animation: fadeIn 0.2s; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.modal { background: #14151f; border: 1px solid var(--border-strong); border-radius: 16px; min-width: 420px; max-width: 92%; max-height: 85vh; overflow-y: auto; box-shadow: 0 24px 70px rgba(0,0,0,0.65); animation: slideUp 0.25s; }
.modal-header { padding: 16px 22px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 16px; display: flex; justify-content: space-between; align-items: center; }
.modal-close { cursor: pointer; font-size: 24px; color: var(--text-dim); line-height: 1; transition: color 0.2s; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 22px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ============ 开关 ============ */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; cursor: pointer; inset: 0; background: rgba(255,255,255,0.12); border-radius: 24px; transition: 0.3s; }
.switch .slider:before { content: ''; position: absolute; height: 18px; width: 18px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: 0.3s; }
.switch input:checked + .slider { background: var(--gradient); }
.switch input:checked + .slider:before { transform: translateX(20px); }

/* ============ 统计卡 ============ */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: all 0.2s;
  position: relative; overflow: hidden; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient); opacity: 0.9;
}
.stat-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: 0 14px 34px rgba(0,0,0,0.5); }
.stat-card .num {
  font-size: 28px; font-weight: 700; font-family: var(--font-num);
  background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-card .label { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.stat-card.accent .num { background: none; -webkit-text-fill-color: var(--accent); color: var(--accent); }

/* ============ 工具栏 ============ */
.toolbar { margin-bottom: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.pull-right { margin-left: auto; }

/* ============ 消息 ============ */
.msg-box { text-align: center; padding: 12px; border-radius: 10px; margin-top: 12px; font-size: 14px; display: block; }
.msg-box.error { background: rgba(244,63,94,0.1); border: 1px solid var(--danger); color: var(--danger); }
.msg-box.loading { background: rgba(138,143,168,0.08); border: 1px solid var(--border); color: var(--text-dim); }
.msg-box.success { background: rgba(45,212,191,0.1); border: 1px solid var(--accent); color: var(--accent); }
.loading { text-align: center; padding: 60px; color: var(--text-dim); }
.error-msg { text-align: center; padding: 60px; color: var(--danger); }

/* 骨架屏 */
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.04) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px; height: 16px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ============ 响应式：平板（768-1024）============ */
@media (max-width: 1024px) {
  .sidebar { width: 250px; transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); width: 250px; }
  .sidebar.mobile-open .brand-text { display: block; }
  .sidebar.mobile-open .nav-group-header { display: flex; }
  .sidebar.mobile-open .nav-item { padding: 10px 16px 10px 26px; justify-content: flex-start; text-align: left; }
  .sidebar.mobile-open .nav-item.active { padding-left: 23px; }
  .main-content { margin-left: 0; }
  .sidebar.collapsed + .main-content { margin-left: 0; }
  .sidebar-overlay.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 99; }
  .content-area { padding: 18px; }
}

/* ============ 响应式：手机（<768）============ */
.sidebar-overlay { display: none; }
@media (max-width: 768px) {
  .sidebar { width: 240px; transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); width: 240px; }
  .sidebar.mobile-open .brand-text { display: block; }
  .sidebar.mobile-open .nav-group-header { display: flex; }
  .sidebar.mobile-open .nav-item { padding: 10px 18px 10px 30px; justify-content: flex-start; text-align: left; }
  .sidebar.mobile-open .nav-item.active { padding-left: 27px; }
  .main-content { margin-left: 0; }
  .sidebar.collapsed + .main-content { margin-left: 0; }
  .sidebar-overlay.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 99; }

  .content-area { padding: 12px; }
  .topbar { padding: 8px 12px; }
  .topbar-title { font-size: 14px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .num { font-size: 22px; }

  .card-header { flex-wrap: wrap; gap: 8px; }
  .card-body { padding: 14px; }
  .form-search { padding: 12px; gap: 8px; }
  .form-search input, .form-search select { width: 100%; min-width: 0; }

  .modal { min-width: 0; width: 94%; }
  .data-table { min-width: 520px; }

  .login-box { padding: 28px 20px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card .num { font-size: 19px; }
}