@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Syne:wght@400;600;800&display=swap');

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --border: #2a2a3a;
  --accent: #00ff88;
  --accent2: #0088ff;
  --danger: #ff4466;
  --warn: #ffaa00;
  --text: #e8e8f0;
  --text2: #888899;
  --card: #13131e;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  min-height: 100vh; overflow-x: hidden;
}
body::before {
  content: ''; position: fixed; inset: 0;
  background-image: linear-gradient(rgba(0,255,136,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,255,136,0.03) 1px, transparent 1px);
  background-size: 40px 40px; pointer-events: none; z-index: 0;
}
.wrap { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 0 24px; }

header { border-bottom: 1px solid var(--border); padding: 20px 0; margin-bottom: 32px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 20px; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); display: inline-block; margin-right: 8px; animation: pulse 2s infinite; }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: none; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.status-text { font-size: 12px; color: var(--text2); }

#login-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 60vh; gap: 16px; }
.login-box { background: var(--card); border: 1px solid var(--border); padding: 40px; width: 100%; max-width: 400px; }
.login-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 700; margin-bottom: 24px; color: var(--accent); }

.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.tab { padding: 10px 20px; font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 600; color: var(--text2); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.2s; letter-spacing: 0.5px; text-transform: uppercase; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.card { background: var(--card); border: 1px solid var(--border); padding: 20px; margin-bottom: 16px; }

.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--card); border: 1px solid var(--border); padding: 20px; }
.stat-label { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.stat-value { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 800; color: var(--accent); }
.stat-value.blue { color: var(--accent2); }
.stat-value.warn { color: var(--warn); }

.key-table { width: 100%; border-collapse: collapse; }
.key-table th { text-align: left; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.key-table td { padding: 12px; border-bottom: 1px solid rgba(42,42,58,0.5); font-size: 13px; vertical-align: middle; }
.key-table tr:last-child td { border-bottom: none; }
.key-table tr:hover td { background: rgba(255,255,255,0.02); }

.key-name { font-family: 'Syne', sans-serif; font-weight: 600; font-size: 14px; }
.key-val { font-size: 11px; color: var(--text2); background: var(--bg3); padding: 3px 8px; border: 1px solid var(--border); cursor: pointer; transition: all 0.2s; }
.key-val:hover { color: var(--accent); border-color: var(--accent); }

.progress-wrap { display: flex; align-items: center; gap: 8px; }
.progress-bar { flex: 1; height: 4px; background: var(--bg3); overflow: hidden; min-width: 80px; }
.progress-fill { height: 100%; background: var(--accent); transition: width 0.3s; }
.progress-fill.warn { background: var(--warn); }
.progress-fill.danger { background: var(--danger); }
.progress-pct { font-size: 11px; color: var(--text2); min-width: 36px; text-align: right; }

.badge { display: inline-block; padding: 2px 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.badge-on { background: rgba(0,255,136,0.1); color: var(--accent); border: 1px solid rgba(0,255,136,0.3); }
.badge-off { background: rgba(255,68,102,0.1); color: var(--danger); border: 1px solid rgba(255,68,102,0.3); }

.btn { padding: 7px 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500; cursor: pointer; border: 1px solid; transition: all 0.2s; text-transform: uppercase; letter-spacing: 0.5px; }
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text2); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }
.btn-danger { background: transparent; color: var(--danger); border-color: rgba(255,68,102,0.3); }
.btn-danger:hover { background: rgba(255,68,102,0.1); }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-blue { background: transparent; color: var(--accent2); border-color: rgba(0,136,255,0.3); }
.btn-blue:hover { background: rgba(0,136,255,0.1); }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.form-input { width: 100%; background: var(--bg2); border: 1px solid var(--border); color: var(--text); padding: 9px 12px; font-family: 'JetBrains Mono', monospace; font-size: 13px; outline: none; transition: border-color 0.2s; }
.form-input:focus { border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: var(--card); border: 1px solid var(--border); padding: 32px; width: 100%; max-width: 480px; }
.modal-title { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; margin-bottom: 24px; color: var(--accent); }
.modal-footer { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

.log-box { background: var(--bg); border: 1px solid var(--border); padding: 16px; height: 400px; overflow-y: auto; font-size: 12px; line-height: 1.8; }
.log-line { color: var(--text2); }
.log-line.ok { color: #00cc6a; }
.log-line.blocked { color: var(--danger); }
.log-line.error { color: var(--warn); }
.log-line.info { color: var(--accent2); }

.toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--card); border: 1px solid var(--border); padding: 12px 16px; font-size: 13px; animation: slideIn 0.2s ease; min-width: 240px; }
.toast.success { border-left: 3px solid var(--accent); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warn { border-left: 3px solid var(--warn); }
@keyframes slideIn { from{transform:translateX(20px);opacity:0} to{transform:translateX(0);opacity:1} }

.actions-cell { display: flex; gap: 6px; }
.section { display: none; }
.section.active { display: block; }
.empty-state { text-align: center; padding: 48px; color: var(--text2); font-size: 13px; }

.confirm-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 200; align-items: center; justify-content: center; }
.confirm-overlay.show { display: flex; }
.confirm-box { background: var(--card); border: 1px solid var(--danger); padding: 28px; max-width: 360px; width: 100%; }
.confirm-title { font-family: 'Syne', sans-serif; font-weight: 700; margin-bottom: 12px; color: var(--danger); }
.confirm-text { font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.confirm-footer { display: flex; gap: 12px; justify-content: flex-end; }

.top-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.section-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 800; }

/* 节点同步状态 */
.sync-status { display: flex; gap: 8px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.sync-node { font-size: 11px; padding: 2px 8px; border: 1px solid var(--border); color: var(--text2); }
.sync-node.ok { border-color: rgba(0,255,136,0.3); color: var(--accent); }
.sync-node.fail { border-color: rgba(255,68,102,0.3); color: var(--danger); }
.sync-node.loading { border-color: rgba(255,170,0,0.3); color: var(--warn); animation: pulse 1s infinite; }

@media (max-width: 640px) {
  .stats-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}