/* =====================================================================
   云服务器运维中心 —— 设计系统
   深色（默认）/ 浅色双主题，全部使用 CSS 变量
   ===================================================================== */
:root {
  --bg:      #0a0f1c;
  --bg2:     #0d1424;
  --panel:   #121b2e;
  --panel2:  #162034;
  --line:    #22304a;
  --line2:   #2c3d5c;
  --tx:      #e8eefb;
  --tx2:     #94a5c2;
  --tx3:     #64748b;
  --acc:     #3b82f6;
  --acc2:    #60a5fa;
  --ok:      #22c55e;
  --warn:    #f59e0b;
  --crit:    #ef4444;
  --info:    #38bdf8;
  --purple:  #a78bfa;
  --shadow:  0 4px 20px rgba(0,0,0,.35);
  --radius:  12px;
  --mono: "JetBrains Mono", Consolas, "Cascadia Mono", Menlo, monospace;
}
[data-theme="light"] {
  --bg:      #eef2f9;
  --bg2:     #e6ecf6;
  --panel:   #ffffff;
  --panel2:  #f6f9fd;
  --line:    #dbe3ef;
  --line2:   #c8d3e3;
  --tx:      #16233c;
  --tx2:     #5a6b87;
  --tx3:     #8494ac;
  --acc:     #2563eb;
  --acc2:    #3b82f6;
  --ok:      #16a34a;
  --warn:    #d97706;
  --crit:    #dc2626;
  --info:    #0284c7;
  --purple:  #7c3aed;
  --shadow:  0 2px 12px rgba(31,56,102,.10);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font: 14px/1.55 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc2); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .92em; }

/* ------------------------------ 顶栏 ------------------------------ */
.topbar {
  height: 56px; display: flex; align-items: center; gap: 18px;
  padding: 0 20px; background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; letter-spacing: .3px; white-space: nowrap; }
.brand .logo {
  width: 28px; height: 28px; border-radius: 8px; flex: none;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: grid; place-items: center; color: #fff; font-size: 15px;
  box-shadow: 0 2px 10px rgba(59,130,246,.45);
}
.brand small { color: var(--tx3); font-weight: 500; font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; }
.topbar .spacer { flex: 1; }
.topstat { display: flex; gap: 14px; align-items: center; }
.topstat .ts-item { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--tx2); }
.topstat b { color: var(--tx); font-variant-numeric: tabular-nums; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot.ok   { background: var(--ok);   box-shadow: 0 0 0 3px rgba(34,197,94,.18); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px rgba(245,158,11,.18); }
.dot.crit { background: var(--crit); box-shadow: 0 0 0 3px rgba(239,68,68,.20); animation: pulse 1.6s infinite; }
.dot.info { background: var(--info); box-shadow: 0 0 0 3px rgba(56,189,248,.18); }
.dot.mute { background: var(--tx3); }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }
.iconbtn {
  background: var(--panel2); border: 1px solid var(--line); color: var(--tx2);
  width: 32px; height: 32px; border-radius: 9px; cursor: pointer; font-size: 15px;
  display: grid; place-items: center; transition: .15s;
}
.iconbtn:hover { color: var(--tx); border-color: var(--line2); }
.userchip { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--tx2); }
.avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg,#8b5cf6,#3b82f6);
          display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 600; }

/* ------------------------------ 布局 ------------------------------ */
.shell { display: flex; min-height: calc(100vh - 56px); }
.sidenav {
  width: 208px; flex: none; background: var(--bg2); border-right: 1px solid var(--line);
  padding: 14px 10px; position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto;
}
.sidenav .grp { font-size: 11px; color: var(--tx3); letter-spacing: 1px; text-transform: uppercase; padding: 14px 10px 6px; }
.sidenav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-radius: 9px;
  color: var(--tx2); font-size: 13.5px; margin-bottom: 2px; text-decoration: none; transition: .14s;
}
.sidenav a:hover { background: var(--panel); color: var(--tx); text-decoration: none; }
.sidenav a.on { background: linear-gradient(90deg, rgba(59,130,246,.18), rgba(59,130,246,.04)); color: var(--tx); box-shadow: inset 2px 0 0 var(--acc); }
.sidenav a .ic { width: 18px; text-align: center; opacity: .9; }
.sidenav a .cnt {
  margin-left: auto; background: var(--panel); border: 1px solid var(--line);
  border-radius: 20px; padding: 0 7px; font-size: 11px; color: var(--tx2);
}
.sidenav a .cnt.hot { background: rgba(239,68,68,.16); border-color: rgba(239,68,68,.35); color: #fca5a5; }
main { flex: 1; padding: 20px 24px 60px; max-width: 1680px; min-width: 0; }

.page-hd { display: flex; align-items: flex-end; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.page-hd h1 { margin: 0; font-size: 20px; font-weight: 650; letter-spacing: .2px; }
.page-hd .sub { color: var(--tx3); font-size: 12.5px; margin-top: 3px; }
.page-hd .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ------------------------------ 卡片 ------------------------------ */
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.g-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
@media (max-width: 1280px) { .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 980px)  { .g3, .g2 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.card-hd {
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 13.5px;
  background: var(--panel2);
}
.card-hd .r { margin-left: auto; display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 12px; color: var(--tx3); }
.card-bd { padding: 14px 16px; }
.card-bd.tight { padding: 8px 10px; }
.card-bd.flush { padding: 0; }

/* ------------------------------ KPI ------------------------------ */
.kpi { display: flex; flex-direction: column; gap: 2px; }
.kpi .lbl { font-size: 12px; color: var(--tx3); letter-spacing: .3px; }
.kpi .val { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.15; }
.kpi .val small { font-size: 13px; font-weight: 500; color: var(--tx3); margin-left: 3px; }
.kpi .foot { font-size: 12px; color: var(--tx3); }
.kpi.ok   .val { color: var(--ok); }
.kpi.warn .val { color: var(--warn); }
.kpi.crit .val { color: var(--crit); }

/* ------------------------------ 服务器卡片 ------------------------------ */
.srv-card { position: relative; }
.srv-card .hd {
  padding: 13px 15px; display: flex; align-items: center; gap: 11px;
  border-bottom: 1px solid var(--line); background: var(--panel2);
}
.srv-card .icon {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  font-size: 17px; flex: none; background: var(--bg); border: 1px solid var(--line);
}
.srv-card .icon.linux   { color: #f59e0b; }
.srv-card .icon.windows { color: #38bdf8; }
.srv-card .nm { font-weight: 650; font-size: 14px; line-height: 1.3; }
.srv-card .ip { font-family: var(--mono); font-size: 11.5px; color: var(--tx3); }
.srv-card .bd { padding: 13px 15px; display: flex; gap: 14px; align-items: center; }
.srv-card .metrics { flex: 1; display: grid; gap: 9px; min-width: 0; }
.srv-card .foot {
  padding: 9px 15px; border-top: 1px solid var(--line); background: var(--panel2);
  display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--tx3);
}

/* ------------------------------ 环形仪表 ------------------------------ */
.ring { position: relative; display: inline-grid; place-items: center; flex: none; }
.ring svg { transform: rotate(-90deg); display: block; }
.ring .mid { position: absolute; text-align: center; line-height: 1.1; }
.ring .mid b { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.ring .mid span { display: block; font-size: 10.5px; color: var(--tx3); letter-spacing: .3px; }

/* ------------------------------ 进度条 ------------------------------ */
.bar { height: 6px; border-radius: 4px; background: var(--bg); overflow: hidden; border: 1px solid var(--line); }
.bar > i { display: block; height: 100%; border-radius: 4px; transition: width .5s cubic-bezier(.4,0,.2,1); }
.bar-lg { height: 9px; }
.lv-ok   { background: linear-gradient(90deg,#16a34a,#22c55e); }
.lv-warn { background: linear-gradient(90deg,#d97706,#f59e0b); }
.lv-crit { background: linear-gradient(90deg,#dc2626,#ef4444); }
.lv-info { background: linear-gradient(90deg,#0284c7,#38bdf8); }

.mrow { display: grid; grid-template-columns: 34px 1fr 64px; gap: 8px; align-items: center; font-size: 12px; }
.mrow .k { color: var(--tx3); font-size: 11.5px; }
.mrow .v { text-align: right; font-variant-numeric: tabular-nums; color: var(--tx2); }

/* ------------------------------ 徽标 ------------------------------ */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 1.5px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 600; line-height: 1.7; border: 1px solid transparent; white-space: nowrap;
}
.badge.ok   { background: rgba(34,197,94,.14);  color: #4ade80; border-color: rgba(34,197,94,.3); }
.badge.warn { background: rgba(245,158,11,.14); color: #fbbf24; border-color: rgba(245,158,11,.3); }
.badge.crit { background: rgba(239,68,68,.15);  color: #f87171; border-color: rgba(239,68,68,.32); }
.badge.info { background: rgba(56,189,248,.14); color: #7dd3fc; border-color: rgba(56,189,248,.3); }
.badge.mute { background: var(--panel2); color: var(--tx3); border-color: var(--line); }
.badge.acc  { background: rgba(59,130,246,.15); color: var(--acc2); border-color: rgba(59,130,246,.3); }
.badge.purple { background: rgba(167,139,250,.15); color: var(--purple); border-color: rgba(167,139,250,.3); }
[data-theme="light"] .badge.ok   { color: #15803d; }
[data-theme="light"] .badge.warn { color: #b45309; }
[data-theme="light"] .badge.crit { color: #b91c1c; }
[data-theme="light"] .badge.info { color: #0369a1; }

/* ------------------------------ 表格 ------------------------------ */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th {
  text-align: left; padding: 9px 12px; color: var(--tx3); font-weight: 600; font-size: 11.5px;
  letter-spacing: .5px; text-transform: uppercase; border-bottom: 1px solid var(--line);
  background: var(--panel2); position: sticky; top: 0; z-index: 2; white-space: nowrap;
}
table.tbl td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.tbl tbody tr:hover { background: var(--panel2); }
table.tbl tr.off td { opacity: .52; }
table.tbl .nm { font-weight: 600; }
table.tbl .dom { font-family: var(--mono); font-size: 12.5px; }
.tblwrap { max-height: 560px; overflow: auto; }

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--line2); background: var(--panel2); color: var(--tx);
  font-size: 12.5px; cursor: pointer; transition: .15s; text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--acc); color: var(--acc2); text-decoration: none; }
.btn.pri { background: linear-gradient(135deg,#2563eb,#3b82f6); border-color: transparent; color: #fff; }
.btn.pri:hover { filter: brightness(1.1); color: #fff; }
.btn.danger { border-color: rgba(239,68,68,.5); color: #f87171; }
.btn.danger:hover { background: rgba(239,68,68,.14); border-color: var(--crit); color: #fca5a5; }
.btn.ok { border-color: rgba(34,197,94,.5); color: #4ade80; }
.btn.ok:hover { background: rgba(34,197,94,.14); }
.btn.sm { padding: 3px 9px; font-size: 11.5px; border-radius: 7px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ------------------------------ 提示条 ------------------------------ */
.note {
  display: flex; gap: 10px; padding: 11px 14px; border-radius: 10px; font-size: 13px;
  border: 1px solid var(--line); background: var(--panel2); color: var(--tx2); align-items: flex-start;
}
.note .ic { flex: none; font-size: 15px; line-height: 1.35; }
.note.warn { border-color: rgba(245,158,11,.35); background: rgba(245,158,11,.08); color: var(--tx); }
.note.crit { border-color: rgba(239,68,68,.35);  background: rgba(239,68,68,.08);  color: var(--tx); }
.note.info { border-color: rgba(56,189,248,.32); background: rgba(56,189,248,.07); color: var(--tx); }
.note.ok   { border-color: rgba(34,197,94,.32);  background: rgba(34,197,94,.07);  color: var(--tx); }

/* ------------------------------ 告警行 ------------------------------ */
.alist { display: flex; flex-direction: column; }
.arow {
  display: grid; grid-template-columns: 4px 1fr auto; gap: 12px; align-items: center;
  padding: 11px 15px; border-bottom: 1px solid var(--line);
}
.arow:last-child { border-bottom: 0; }
.arow .bar-l { width: 4px; align-self: stretch; border-radius: 4px; min-height: 30px; }
.arow.critical .bar-l { background: var(--crit); }
.arow.warn     .bar-l { background: var(--warn); }
.arow.info     .bar-l { background: var(--info); }
.arow .t { font-weight: 600; font-size: 13px; }
.arow .d { font-size: 12px; color: var(--tx3); margin-top: 2px; }
.arow .ad { font-size: 12px; color: var(--tx2); margin-top: 4px; padding-left: 12px; border-left: 2px solid var(--line2); }
.arow.resolved .t { text-decoration: line-through; opacity: .6; }

/* ------------------------------ 迷你图 ------------------------------ */
.spark { display: block; width: 100%; height: 40px; }
.spark-wrap { padding: 2px 0; }

/* ------------------------------ 定义列表 ------------------------------ */
.dl { display: grid; grid-template-columns: 110px 1fr; gap: 7px 12px; font-size: 13px; }
.dl dt { color: var(--tx3); font-size: 12px; }
.dl dd { margin: 0; word-break: break-all; }

/* ------------------------------ 标签页 ------------------------------ */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; flex-wrap: wrap; }
.tabs a {
  padding: 8px 14px; font-size: 13px; color: var(--tx2); border-bottom: 2px solid transparent;
  text-decoration: none; margin-bottom: -1px;
}
.tabs a:hover { color: var(--tx); text-decoration: none; }
.tabs a.on { color: var(--acc2); border-bottom-color: var(--acc); font-weight: 600; }
.tabs a .n { font-size: 11px; color: var(--tx3); margin-left: 5px; }

/* ------------------------------ 时间线 ------------------------------ */
.tl { position: relative; padding-left: 18px; }
.tl::before { content:''; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background: var(--line); }
.tl .it { position: relative; padding: 6px 0; font-size: 12.5px; color: var(--tx2); }
.tl .it::before { content:''; position:absolute; left:-16px; top:12px; width:7px; height:7px; border-radius:50%; background: var(--line2); border:2px solid var(--panel); }
.tl .it.ok::before { background: var(--ok); }
.tl .it.warn::before { background: var(--warn); }
.tl .it.crit::before { background: var(--crit); }
.tl .it b { color: var(--tx); font-weight: 600; }

/* ------------------------------ 工具条 ------------------------------ */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input[type=text], .toolbar select, .fld {
  background: var(--panel2); border: 1px solid var(--line); color: var(--tx);
  padding: 6px 10px; border-radius: 8px; font-size: 13px; outline: none; font-family: inherit;
}
.toolbar input[type=text]:focus, .fld:focus { border-color: var(--acc); }
.toolbar input[type=text] { min-width: 220px; }

/* ------------------------------ 登录页 ------------------------------ */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px;
  background: radial-gradient(1100px 560px at 50% -10%, rgba(59,130,246,.16), transparent 60%), var(--bg); }
.login-card { width: 100%; max-width: 372px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 28px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.login-card h1 { margin: 0 0 4px; font-size: 19px; }
.login-card p.sub { margin: 0 0 20px; color: var(--tx3); font-size: 12.5px; }
.login-card label { display: block; font-size: 12px; color: var(--tx3); margin: 12px 0 5px; }
.login-card input { width: 100%; padding: 9px 12px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--panel2); color: var(--tx); font-size: 14px; outline: none; font-family: inherit; }
.login-card input:focus { border-color: var(--acc); }
.login-card button { width: 100%; margin-top: 20px; padding: 10px; border: 0; border-radius: 9px;
  background: linear-gradient(135deg,#2563eb,#3b82f6); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; }
.login-card button:hover { filter: brightness(1.1); }
.login-foot { margin-top: 16px; font-size: 11.5px; color: var(--tx3); text-align: center; line-height: 1.7; }

/* ------------------------------ 杂项 ------------------------------ */
.muted { color: var(--tx3); }
.small { font-size: 12px; }
.center { text-align: center; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; } .mt16 { margin-top: 16px; } .mt20 { margin-top: 20px; }
.mb8 { margin-bottom: 8px; } .mb12 { margin-bottom: 12px; } .mb16 { margin-bottom: 16px; }
.flex { display: flex; align-items: center; gap: 8px; }
.flex-wrap { flex-wrap: wrap; }
.between { justify-content: space-between; }
.tag-list { display: flex; gap: 6px; flex-wrap: wrap; }
.hr { height: 1px; background: var(--line); margin: 14px 0; }
pre.code {
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 11px 13px;
  font-family: var(--mono); font-size: 12px; color: var(--tx2); overflow-x: auto; margin: 0; line-height: 1.6;
}
.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 200; max-width: 400px;
  background: var(--panel); border: 1px solid var(--line2); border-left: 3px solid var(--acc);
  border-radius: 10px; padding: 13px 16px; box-shadow: 0 12px 40px rgba(0,0,0,.45);
  font-size: 13px; animation: slidein .25s ease;
}
.toast.ok   { border-left-color: var(--ok); }
.toast.err  { border-left-color: var(--crit); }
@keyframes slidein { from { transform: translateY(14px); opacity: 0 } to { transform: none; opacity: 1 } }
.spin { display:inline-block; width:12px; height:12px; border:2px solid var(--line2);
        border-top-color: var(--acc); border-radius:50%; animation: sp .7s linear infinite; }
@keyframes sp { to { transform: rotate(360deg) } }

@media print { .sidenav, .topbar { display: none } main { padding: 0 } }