:root {
  --bg: #0D0D0D;
  --bg-soft: #1A1A2E;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --primary: #FF6B6B;
  --accent: #00C8FF;
  --text: #F5F5F5;
  --text-dim: #9AA0A6;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }

#app { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar { width: 220px; background: linear-gradient(180deg, #14142a, #0d0d0d); border-right: 1px solid var(--card-border); display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; padding: 20px 18px; border-bottom: 1px solid var(--card-border); }
.brand-logo { font-size: 28px; }
.brand-name { font-size: 17px; font-weight: 800; }
.brand-sub { font-size: 11px; color: var(--text-dim); }
.nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 10px; background: transparent; border: none; color: var(--text-dim); font-size: 14px; cursor: pointer; text-align: left; transition: .15s; }
.nav-item span { font-size: 16px; }
.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: var(--text); }
.nav-item.active { background: linear-gradient(90deg, rgba(255, 107, 107, .25), transparent); color: #fff; font-weight: 700; }
.sidebar-foot { padding: 14px 18px; border-top: 1px solid var(--card-border); }
.conn { font-size: 12px; padding: 4px 8px; border-radius: 6px; }
.conn.on { background: rgba(34, 197, 94, .15); color: var(--green); }
.conn.off { background: rgba(154, 160, 166, .15); color: var(--text-dim); }

/* 主区 */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--card-border); background: rgba(13, 13, 13, .6); backdrop-filter: blur(8px); }
.topbar-title { font-size: 18px; font-weight: 800; }
.badge { font-size: 12px; padding: 5px 10px; border-radius: 12px; background: rgba(0, 200, 255, .12); color: var(--accent); }
.content { padding: 24px; overflow-y: auto; flex: 1; }

/* 卡片（毛玻璃） */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; padding: 20px; backdrop-filter: blur(10px); box-shadow: 0 8px 24px rgba(0, 0, 0, .25); }
.card + .card { margin-top: 18px; }
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; }

/* 统计卡 */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.stat { background: var(--card); border: 1px solid var(--card-border); border-radius: 14px; padding: 18px; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 6px; }

/* 表单 */
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
label { font-size: 13px; color: var(--text-dim); display: block; margin-bottom: 6px; }
input, textarea, select { width: 100%; background: rgba(255, 255, 255, .07); border: 1px solid var(--card-border); border-radius: 10px; color: var(--text); padding: 10px 12px; font-size: 14px; font-family: inherit; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
.field { flex: 1; min-width: 200px; }
.inline { width: auto; }

/* 按钮 */
.btn { border: none; border-radius: 10px; padding: 10px 16px; font-size: 14px; font-weight: 700; cursor: pointer; transition: .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: rgba(255, 255, 255, .08); color: var(--text); border: 1px solid var(--card-border); }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); }
.btn-danger { background: rgba(239, 68, 68, .15); color: var(--red); border: 1px solid rgba(239, 68, 68, .3); }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--card-border); }
th { color: var(--text-dim); font-weight: 600; }
tbody tr:hover { background: rgba(255, 255, 255, .03); }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 6px; }
.tag-green { background: rgba(34, 197, 94, .15); color: var(--green); }
.tag-red { background: rgba(239, 68, 68, .15); color: var(--red); }
.tag-yellow { background: rgba(234, 179, 8, .15); color: var(--yellow); }
.tag-dim { background: rgba(154, 160, 166, .15); color: var(--text-dim); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot-green { background: var(--green); }
.dot-yellow { background: var(--yellow); }
.dot-red { background: var(--red); }
.dot-unknown { background: #888; }

/* 开关 */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { display: none; }
.slider { position: absolute; inset: 0; background: #444; border-radius: 24px; cursor: pointer; transition: .2s; }
.slider::before { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(20px); }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .7); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal { width: 100%; max-width: 460px; max-height: 86vh; overflow-y: auto; background: var(--bg-soft); border: 1px solid var(--card-border); border-radius: 16px; padding: 22px; }
.modal h3 { margin-bottom: 16px; font-size: 17px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* 提示条 */
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); background: rgba(0, 0, 0, .9); color: #fff; padding: 12px 22px; border-radius: 10px; font-size: 14px; opacity: 0; pointer-events: none; transition: .25s; z-index: 200; border: 1px solid var(--card-border); }
.toast.show { opacity: 1; }

.muted { color: var(--text-dim); font-size: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .sidebar { width: 64px; } .brand-sub, .nav-item span + * { display: none; } .grid2 { grid-template-columns: 1fr; } }
.code-box { background: #000; border: 1px solid var(--card-border); border-radius: 10px; padding: 14px; font-family: monospace; font-size: 12px; white-space: pre-wrap; max-height: 240px; overflow-y: auto; }
.seg { display: inline-flex; background: rgba(255, 255, 255, .06); border-radius: 10px; padding: 3px; gap: 3px; }
.seg button { border: none; background: transparent; color: var(--text-dim); padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.seg button.active { background: var(--primary); color: #fff; font-weight: 700; }