:root {
  --bg: #0f1117;
  --bg2: #161b22;
  --bg3: #1c2333;
  --border: #30363d;
  --text: #e6edf3;
  --text2: #8b949e;
  --primary: #388bfd;
  --primary-dark: #1f6feb;
  --success: #3fb950;
  --danger: #f85149;
  --warning: #d29922;
  --info: #58a6ff;
  --purple: #a371f7;
  --orange: #f0883e;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.hidden { display: none !important; }

/* ══════════════════ 登录页 ══════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #0d1117 100%);
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 400px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.logo-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px rgba(56,139,253,0.3);
}

.login-logo h1 { font-size: 24px; font-weight: 700; color: var(--text); }
.login-logo p { color: var(--text2); font-size: 13px; margin-top: 4px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text2); font-size: 13px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 14px;
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }

.error-msg {
  background: rgba(248,81,73,0.15);
  border: 1px solid rgba(248,81,73,0.4);
  border-radius: var(--radius);
  color: var(--danger);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

/* ══════════════════ 按钮 ══════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
}
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: rgba(248,81,73,0.15); color: var(--danger); border: 1px solid rgba(248,81,73,0.4); }
.btn-danger:hover { background: rgba(248,81,73,0.25); }
.btn-success { background: rgba(63,185,80,0.15); color: var(--success); border: 1px solid rgba(63,185,80,0.4); }
.btn-full { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* ══════════════════ 布局 ══════════════════ */
#mainApp {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.logo-text {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 14px; color: #fff;
  flex-shrink: 0;
}
.logo-name { font-weight: 700; font-size: 15px; }

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.nav-item svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(56,139,253,0.15); color: var(--primary); }

.sidebar-footer { padding: 16px 8px; border-top: 1px solid var(--border); }
.btn-logout {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 12px;
  background: none; border: none;
  color: var(--text2); cursor: pointer;
  border-radius: var(--radius);
  font-size: 13px;
  transition: all 0.15s;
}
.btn-logout svg { width: 18px; height: 18px; fill: currentColor; }
.btn-logout:hover { background: rgba(248,81,73,0.1); color: var(--danger); }

.main-content {
  flex: 1;
  margin-left: 220px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 56px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0;
  z-index: 50;
}
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-badge { display: flex; align-items: center; gap: 6px; color: var(--text2); font-size: 13px; }
.admin-badge svg { fill: var(--text2); }
.server-status { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--success); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }

/* ══════════════════ 页面内容 ══════════════════ */
.page { padding: 24px; display: none; }
.page.active { display: block; }

/* ══════════════════ 统计卡片 ══════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-icon svg { width: 24px; height: 24px; fill: currentColor; }
.stat-icon.blue { background: rgba(56,139,253,0.15); color: var(--primary); }
.stat-icon.green { background: rgba(63,185,80,0.15); color: var(--success); }
.stat-icon.red { background: rgba(248,81,73,0.15); color: var(--danger); }
.stat-icon.orange { background: rgba(240,136,62,0.15); color: var(--orange); }
.stat-icon.yellow { background: rgba(210,153,34,0.15); color: var(--warning); }
.stat-icon.purple { background: rgba(163,113,247,0.15); color: var(--purple); }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { color: var(--text2); font-size: 12px; margin-top: 4px; }

/* ══════════════════ 卡片区块 ══════════════════ */
.section-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-header h3 { font-size: 15px; font-weight: 600; }

/* ══════════════════ 仪表盘扩展 ══════════════════ */
.dashboard-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.dashboard-col { margin-bottom: 0 !important; }

.trend-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 220px;
  padding: 12px 4px 0;
  overflow-x: auto;
}
.trend-bar-wrap {
  flex: 1 1 0;
  min-width: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}
.trend-bar-stack {
  width: 100%;
  max-width: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
  height: 100%;
  position: relative;
}
.trend-bar {
  width: 100%;
  min-height: 2px;
  border-radius: 3px 3px 0 0;
  transition: opacity 0.2s;
}
.trend-bar-pass { background: #22c55e; }
.trend-bar-fail { background: #ef4444; }
.trend-bar-empty { background: var(--border); min-height: 3px; opacity: 0.4; }
.trend-bar-wrap:hover .trend-bar { opacity: 0.85; }
.trend-label {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
}
.trend-legend {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text2);
}
.trend-legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

.kv-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.kv-list-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.kv-list-label {
  min-width: 110px;
  color: var(--text2);
}
.kv-list-bar {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.kv-list-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
}
.kv-list-bar-fill.fail { background: linear-gradient(90deg, #ef4444, #f97316); }
.kv-list-value {
  min-width: 70px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.alg-checkbox-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.alg-checkbox-list label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  background: transparent;
  color: var(--text1, inherit);
  white-space: nowrap;
  transition: border-color .15s, background .15s;
  user-select: none;
}
.alg-checkbox-list label:hover {
  border-color: #3b82f6;
}
.alg-checkbox-list input {
  cursor: pointer;
  margin: 0;
  accent-color: #3b82f6;
}
.alg-checkbox-list label:has(input:checked) {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.12);
}
.alg-checkbox-list .alg-default {
  color: var(--text2);
  font-size: 11px;
  margin-left: 2px;
  opacity: 0.75;
}

/* ══════════════════ 右键上下文菜单 ══════════════════ */
.ctx-menu {
  position: fixed;
  min-width: 180px;
  background: var(--bg2, #1e1e2f);
  color: var(--text1, inherit);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  padding: 6px 0;
  z-index: 9999;
  font-size: 13px;
  user-select: none;
}
.ctx-menu.hidden { display: none; }
.ctx-menu-header {
  padding: 6px 14px 8px;
  color: var(--text2);
  font-size: 11px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  word-break: break-all;
  max-width: 280px;
}
.ctx-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.12s;
  white-space: nowrap;
}
.ctx-menu-item:hover { background: rgba(59, 130, 246, 0.14); }
.ctx-menu-item.danger { color: #ef4444; }
.ctx-menu-item.danger:hover { background: rgba(239, 68, 68, 0.14); }
.ctx-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.ctx-menu-item-icon {
  display: inline-block;
  width: 14px;
  text-align: center;
  opacity: 0.7;
}
.data-table tbody tr.ctx-active {
  background: rgba(59, 130, 246, 0.12);
}

/* ══════════════════ 表格 ══════════════════ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text2);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.empty-row { text-align: center; color: var(--text2); padding: 40px !important; }

/* ══════════════════ 状态标签 ══════════════════ */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-active { background: rgba(63,185,80,0.15); color: var(--success); }
.badge-revoked { background: rgba(248,81,73,0.15); color: var(--danger); }
.badge-expired { background: rgba(139,148,158,0.15); color: var(--text2); }
.badge-pass { background: rgba(63,185,80,0.15); color: var(--success); }
.badge-fail { background: rgba(248,81,73,0.15); color: var(--danger); }
.badge-bound { background: rgba(56,139,253,0.15); color: var(--primary); }
.badge-unbound { background: rgba(139,148,158,0.1); color: var(--text2); }

/* ══════════════════ 工具栏 ══════════════════ */
.toolbar {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}
.toolbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }
.search-input {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  min-width: 220px;
}
.search-input:focus { border-color: var(--primary); }
.select-input {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ══════════════════ 分页 ══════════════════ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text2);
}
.page-btn {
  padding: 5px 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}
.page-btn:hover { background: var(--border); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ══════════════════ 操作按钮组 ══════════════════ */
.action-btns { display: flex; gap: 6px; flex-wrap: nowrap; }
.action-btn {
  padding: 4px 8px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 11px;
  font-weight: 500;
  transition: all 0.15s;
  white-space: nowrap;
}
.action-btn-danger { background: rgba(248,81,73,0.15); color: var(--danger); }
.action-btn-danger:hover { background: rgba(248,81,73,0.25); }
.action-btn-warning { background: rgba(210,153,34,0.15); color: var(--warning); }
.action-btn-warning:hover { background: rgba(210,153,34,0.25); }
.action-btn-success { background: rgba(63,185,80,0.15); color: var(--success); }
.action-btn-success:hover { background: rgba(63,185,80,0.25); }
.action-btn-info { background: rgba(56,139,253,0.15); color: var(--primary); }
.action-btn-info:hover { background: rgba(56,139,253,0.25); }

/* ══════════════════ 模态框 ══════════════════ */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
}
.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text2); font-size: 22px; cursor: pointer; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.required { color: var(--danger); }

/* ══════════════════ Token创建结果 ══════════════════ */
.alert { padding: 12px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; }
.alert-success { background: rgba(63,185,80,0.15); border: 1px solid rgba(63,185,80,0.3); color: var(--success); }
.token-result-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.token-result-row {
  display: flex; align-items: flex-start;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(48,54,61,0.5);
}
.token-result-row:last-child { border-bottom: none; }
.token-result-label { color: var(--text2); font-size: 12px; min-width: 90px; padding-top: 2px; }
.token-result-row code {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 12px;
  color: var(--info);
  word-break: break-all;
}

/* ══════════════════ 公钥页 ══════════════════ */
.info-box {
  background: rgba(56,139,253,0.08);
  border: 1px solid rgba(56,139,253,0.25);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.7;
}
.info-box code { color: var(--info); font-family: monospace; }
.code-area {
  width: 100%;
  min-height: 200px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--success);
  padding: 14px;
  font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
}
.code-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.code-block pre {
  font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
  white-space: pre-wrap;
}

/* ══════════════════ Toast ══════════════════ */
.toast {
  position: fixed;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  background: #323940;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 20px;
  font-size: 13px;
  z-index: 999;
  box-shadow: var(--shadow);
  animation: fadeIn 0.2s;
}
@keyframes fadeIn { from{opacity:0;transform:translateX(-50%) translateY(10px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }
.toast.success { border-color: rgba(63,185,80,0.4); color: var(--success); }
.toast.error { border-color: rgba(248,81,73,0.4); color: var(--danger); }
.toast.info { border-color: rgba(56,139,253,0.4); color: var(--info); }

/* ══════════════════ 消息框 ══════════════════ */
.msg-box {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-top: 12px;
  font-size: 13px;
}
.msg-box.success { background: rgba(63,185,80,0.15); border: 1px solid rgba(63,185,80,0.3); color: var(--success); }
.msg-box.error { background: rgba(248,81,73,0.15); border: 1px solid rgba(248,81,73,0.3); color: var(--danger); }

/* ══════════════════ 表格Token ID列 ══════════════════ */
.token-id-cell {
  font-family: monospace;
  font-size: 12px;
  color: var(--info);
}
.machine-id-cell {
  font-family: monospace;
  font-size: 11px;
  color: var(--text2);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===== 新增：用户管理 / SDK 示例 / 远控下发 ===== */
.badge.ok{background:rgba(63,185,80,0.18);color:#3fb950;padding:2px 8px;border-radius:10px;font-size:12px}
.badge.warn{background:rgba(245,158,11,0.18);color:#f59e0b;padding:2px 8px;border-radius:10px;font-size:12px}
.badge.err{background:rgba(248,81,73,0.18);color:#f85149;padding:2px 8px;border-radius:10px;font-size:12px}
.muted{color:#8a8ca3;font-size:12px}
.perm-cell{min-width:280px}
.perm-checkbox{display:inline-flex;align-items:center;gap:4px;margin-right:8px;font-size:12px;color:#4b4d66}
.perm-checkbox input{margin:0}
.msg-box.success{background:rgba(63,185,80,0.12);color:#15803d;border:1px solid rgba(63,185,80,0.35);padding:10px;border-radius:8px;margin-top:8px}
.msg-box.error{background:rgba(248,81,73,0.12);color:#b91c1c;border:1px solid rgba(248,81,73,0.35);padding:10px;border-radius:8px;margin-top:8px}
.sample-tabs{display:flex;gap:6px;margin:10px 0;flex-wrap:wrap}
.sample-tab{padding:6px 14px;border:1px solid #e4e4ed;background:#f5f5fa;color:#4b4d66;border-radius:6px;cursor:pointer;font-size:13px}
.sample-tab.active{background:#7c3aed;color:#fff;border-color:#6d28d9}
.sample-pane{position:relative}
.sample-pane .code-block{max-height:520px;overflow:auto;background:#0f0f17;color:#e4e4ed;padding:14px;border-radius:8px;font-family:Consolas,monospace;font-size:13px;white-space:pre-wrap;word-break:break-word}