/* Y6IT 监控 —— 简约白色动态毛玻璃 (glassmorphism) */

:root {
  --bg-1: #eef2ff;
  --bg-2: #f8fafc;
  --bg-3: #fdf2f8;
  --glass-bg: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-shadow: 0 8px 30px rgba(31, 38, 135, 0.10);
  --text: #1f2937;
  --text-soft: #6b7280;
  --text-faint: #9ca3af;
  --online: #22c55e;
  --offline: #ef4444;
  --warn: #f59e0b;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --track: rgba(17, 24, 39, 0.07);
  --line: rgba(17, 24, 39, 0.06);
  --radius: 18px;
  --fs-lg: 26px;
  --fs-md: 15px;
  --fs-sm: 13px;
  --fs-xs: 11px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 42%, var(--bg-3) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.45;
}

/* 动态背景光斑：缓慢漂浮 */
body::before, body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}
body::before { width: 520px; height: 520px; top: -140px; left: -120px; background: radial-gradient(circle, #c7d2fe, transparent 70%); }
body::after { width: 580px; height: 580px; bottom: -180px; right: -140px; background: radial-gradient(circle, #fbcfe8, transparent 70%); animation-delay: -6s; animation-duration: 22s; }
@keyframes drift { 0%{transform:translate(0,0) scale(1);} 50%{transform:translate(40px,30px) scale(1.08);} 100%{transform:translate(-30px,-20px) scale(.96);} }

.wrap { max-width: 1240px; margin: 0 auto; padding: 22px 18px 64px; }

/* 毛玻璃基类 */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
}

/* 顶栏 */
.topbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 16px 20px; margin-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { width: 40px; height: 40px; border-radius: 12px; flex: none; background: linear-gradient(135deg, #818cf8, #c084fc); box-shadow: 0 6px 18px rgba(129, 140, 248, 0.5); }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: .3px; line-height: 1.2; }
.brand .sub { font-size: var(--fs-xs); color: var(--text-soft); }
.brand .clock { font-variant-numeric: tabular-nums; }
.stats { display: flex; gap: 8px; flex-wrap: wrap; }
.stat { padding: 9px 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.5); border: 1px solid var(--glass-border); text-align: center; min-width: 88px; }
.stat .v { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { font-size: var(--fs-xs); color: var(--text-soft); margin-top: 1px; }

/* 卡片网格（自适应：手机1列 / 平板2列 / 桌面3-4列） */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; align-items: stretch; }
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  cursor: pointer;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.4), transparent 55%); opacity: .55; pointer-events: none; border-radius: var(--radius); }
.card > * { position: relative; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 42px rgba(99,102,241,.16); border-color: rgba(129,140,248,.55); }

.c-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
.c-name { font-weight: 650; font-size: var(--fs-md); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.c-os { font-size: var(--fs-xs); color: var(--text-soft); background: rgba(99,102,241,.1); padding: 2px 8px; border-radius: 8px; flex: none; max-width: 40%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.c-addr { font-size: var(--fs-xs); color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: -4px; }

.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--offline); box-shadow: 0 0 0 3px rgba(239,68,68,.14); }
.dot.online { background: var(--online); box-shadow: 0 0 0 3px rgba(34,197,94,.16); }

.badge { position: absolute; top: 12px; right: 12px; font-size: var(--fs-xs); padding: 3px 9px; border-radius: 999px; background: rgba(245,158,11,.16); color: #b45309; border: 1px solid rgba(245,158,11,.4); font-weight: 600; z-index: 2; }

/* 主指标 CPU */
.c-cpu { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.c-cpu .lab { font-size: var(--fs-xs); color: var(--text-soft); }
.c-cpu .v { font-size: var(--fs-lg); font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }
.spark { width: 100%; height: 34px; display: block; margin-top: -2px; }

/* 细进度条 */
.c-bars { display: flex; flex-direction: column; gap: 7px; }
.c-bar .lbl { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: var(--text-soft); margin-bottom: 3px; }
.c-bar .lbl b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.c-bar .track { height: 6px; border-radius: 6px; background: var(--track); overflow: hidden; }
.c-bar .fill { height: 100%; border-radius: 6px; transition: width .5s ease; }
.fill.lo { background: linear-gradient(90deg, #34d399, #22c55e); }
.fill.mid { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.fill.hi { background: linear-gradient(90deg, #fb7185, #ef4444); }

/* 页脚 */
.c-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: var(--fs-sm); padding-top: 8px; border-top: 1px solid var(--line); }
.c-foot .item { display: flex; align-items: center; gap: 4px; color: var(--text-soft); font-variant-numeric: tabular-nums; }
.c-foot .item b { color: var(--text); font-weight: 600; }
.upc { color: #0ea5e9; }
.dnc { color: #8b5cf6; }
.c-meta { font-size: var(--fs-xs); color: var(--text-faint); display: flex; justify-content: space-between; gap: 8px; }

/* 详情页 */
.detail { padding: 22px; }
.detail .head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.chartbox { padding: 14px; border-radius: 12px; background: rgba(255,255,255,0.4); border: 1px solid var(--glass-border); }
.chartbox h4 { margin: 0 0 8px; font-size: var(--fs-sm); color: var(--text-soft); display: flex; justify-content: space-between; }
.chartbox canvas { width: 100%; height: 150px; display: block; }
.subgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
table.disks { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
table.disks th, table.disks td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--line); }
table.disks th { color: var(--text-soft); font-weight: 600; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: var(--fs-sm); }
.kv .k { color: var(--text-soft); }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 380px; padding: 32px 28px; text-align: center; }
.login-card .logo { width: 54px; height: 54px; border-radius: 16px; margin: 0 auto 16px; background: linear-gradient(135deg, #818cf8, #c084fc); box-shadow: 0 8px 22px rgba(129,140,248,.5); }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card p { margin: 0 0 22px; color: var(--text-soft); font-size: var(--fs-sm); }
.field { text-align: left; margin-bottom: 14px; }
.field label { display: block; font-size: var(--fs-xs); color: var(--text-soft); margin-bottom: 6px; }
.field input, .field select { width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--glass-border); background: rgba(255,255,255,0.7); font-size: var(--fs-sm); outline: none; color: var(--text); }
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,.18); }
.btn { width: 100%; padding: 12px; border: 0; border-radius: 12px; cursor: pointer; background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; font-size: 15px; font-weight: 600; box-shadow: 0 8px 20px rgba(99,102,241,.35); transition: transform .12s ease; }
.btn:hover { transform: translateY(-1px); }
.btn.ghost { background: rgba(255,255,255,.6); color: var(--text); box-shadow: none; border: 1px solid var(--glass-border); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.msg { min-height: 18px; font-size: var(--fs-xs); color: var(--offline); margin-bottom: 8px; }

/* 后台 */
.admin-wrap { padding-top: 18px; }
.section { padding: 20px; margin-bottom: 20px; }
.section h2 { margin: 0 0 14px; font-size: 16px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.toolbar .field { margin: 0; flex: 1; min-width: 150px; }
.row-actions { display: flex; gap: 8px; }
.row-actions .btn { width: auto; padding: 6px 12px; font-size: var(--fs-xs); box-shadow: none; }
.row-actions .btn.danger { background: linear-gradient(135deg,#fb7185,#ef4444); }
table.mnodes { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
table.mnodes th, table.mnodes td { text-align: left; padding: 9px 6px; border-bottom: 1px solid var(--line); }
table.mnodes th { color: var(--text-soft); font-weight: 600; }
.tok { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: var(--fs-xs); word-break: break-all; max-width: 200px; }
.topnav { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 12px; }
.topnav a, .topnav .link { color: var(--accent); text-decoration: none; font-size: var(--fs-sm); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button { border: 1px solid var(--glass-border); background: rgba(255,255,255,0.5); color: var(--text-soft); padding: 9px 16px; border-radius: 11px; cursor: pointer; font-size: var(--fs-sm); font-weight: 600; transition: all .15s ease; }
.tabs button.active { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; border-color: transparent; box-shadow: 0 6px 16px rgba(99,102,241,.35); }
[data-theme="dark"] .tabs button { background: rgba(30,41,59,.5); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.hint { font-size: var(--fs-xs); color: var(--text-soft); margin: 4px 0 12px; }

.empty { color: var(--text-soft); font-size: var(--fs-sm); padding: 24px 0; text-align: center; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* 自适应 */
@media (max-width: 900px) { .grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); } }
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
  .stats { width: 100%; }
  .stat { flex: 1 1 calc(50% - 8px); min-width: 0; }
  .wrap { padding: 16px 12px 48px; }
  .detail, .section { padding: 16px; }
  .c-os { max-width: 45%; }
}

/* 深色模式 */
[data-theme="dark"] {
  --bg-1: #0f172a; --bg-2: #0b1220; --bg-3: #111827;
  --text: #e5e7eb; --text-soft: #94a3b8; --text-faint: #64748b;
  --glass-bg: rgba(30, 41, 59, 0.55);
  --glass-border: rgba(148, 163, 184, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --track: rgba(255, 255, 255, 0.10);
  --line: rgba(148, 163, 184, 0.16);
}
[data-theme="dark"] body::before { background: radial-gradient(circle, #1e3a8a, transparent 70%); opacity: .35; }
[data-theme="dark"] body::after { background: radial-gradient(circle, #5b21b6, transparent 70%); opacity: .35; }
[data-theme="dark"] .field input, [data-theme="dark"] .field select, [data-theme="dark"] .btn.ghost { background: rgba(15, 23, 42, 0.7); color: var(--text); }
[data-theme="dark"] .stat { background: rgba(30, 41, 59, 0.5); }
[data-theme="dark"] .chartbox { background: rgba(30, 41, 59, 0.4); }
[data-theme="dark"] .theme-toggle { background: rgba(30, 41, 59, 0.6); }
[data-theme="dark"] .cred-result { background: rgba(30, 41, 59, 0.4); }
[data-theme="dark"] .c-os { background: rgba(99,102,241,.2); }

.theme-toggle { cursor: pointer; border: 1px solid var(--glass-border); background: rgba(255, 255, 255, 0.5); border-radius: 10px; padding: 7px 12px; font-size: var(--fs-sm); color: var(--text); }

/* sparkline / 骨架屏 */
.skeleton .sk { background: linear-gradient(90deg, rgba(255,255,255,.25), rgba(255,255,255,.65), rgba(255,255,255,.25)); background-size: 200% 100%; animation: shimmer 1.3s infinite; border-radius: 8px; }
[data-theme="dark"] .skeleton .sk { background: linear-gradient(90deg, rgba(148,163,184,.08), rgba(148,163,184,.22), rgba(148,163,184,.08)); background-size:200% 100%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.sk-card { height: 168px; }
.sk-line { height: 10px; margin: 10px 0; }

.updated { font-size: var(--fs-xs); color: var(--text-soft); margin-top: 8px; }
.cred-result { background: rgba(255, 255, 255, 0.55); border: 1px dashed var(--glass-border); border-radius: 12px; padding: 14px; margin-top: 12px; font-size: var(--fs-xs); word-break: break-all; color: var(--text-soft); position: relative; }
.cred-result code, .cred-result .cmd { color: var(--accent); font-family: ui-monospace, "SF Mono", Consolas, monospace; display: block; white-space: pre-wrap; background: rgba(99,102,241,.08); padding: 10px; border-radius: 8px; margin-top: 6px; }
.cred-result b { color: var(--text); }
.copy-btn { width: auto; padding: 5px 11px; font-size: var(--fs-xs); box-shadow: none; margin-left: 6px; }