/* =====================================================================
   Portal · 云服务器看板
   设计语言：大圆角、克制阴影、充足留白；深浅色跟随系统。
   ===================================================================== */

:root {
  --bg: #f5f5f7;
  --bg-elev: #ffffff;
  --bg-soft: #fbfbfd;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #a1a1a6;
  --line: rgba(0, 0, 0, 0.085);
  --line-soft: rgba(0, 0, 0, 0.05);
  --accent: #0a84ff;
  --green: #30d158;
  --green-ink: #248a3d;
  --orange: #ff9f0a;
  --red: #ff453a;
  --purple: #5e5ce6;
  --teal: #64d2ff;
  --radius-xl: 24px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 28px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.18);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-elev: #1c1c1e;
    --bg-soft: #151517;
    --text: #f5f5f7;
    --text-2: #98989d;
    --text-3: #6e6e73;
    --line: rgba(255, 255, 255, 0.11);
    --line-soft: rgba(255, 255, 255, 0.06);
    --accent: #0a84ff;
    --green: #30d158;
    --green-ink: #30d158;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 12px 36px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.7);
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 48px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── 导航 ─────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: 1240px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 14px;
}
.brand { display: flex; align-items: center; gap: 11px; color: inherit; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(160deg, #0a84ff, #5e5ce6);
  color: #fff; font-weight: 700; font-size: 17px;
  display: grid; place-items: center;
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; letter-spacing: -0.01em; }
.brand-text em { font-style: normal; font-size: 11.5px; color: var(--text-2); }

.nav-spacer { flex: 1; }

.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--bg-elev); border: 1px solid var(--line);
  font-size: 12.5px; color: var(--text-2); white-space: nowrap;
}
.pill b { color: var(--text); font-weight: 600; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); flex: none; }
.dot.ok { background: var(--green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 22%, transparent); }
.dot.warn { background: var(--orange); box-shadow: 0 0 0 3px color-mix(in srgb, var(--orange) 22%, transparent); }
.dot.bad { background: var(--red); box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 22%, transparent); }

.btn {
  appearance: none; border: 1px solid var(--line);
  background: var(--bg-elev); color: var(--text);
  padding: 7px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: transform .12s ease, background .15s ease;
}
.btn:hover { background: var(--bg-soft); }
.btn:active { transform: scale(0.97); }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; font-weight: 600; }
.btn.primary:hover { background: #0071e3; }
.btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

/* ── 容器 ─────────────────────────────────────────────── */
.wrap { max-width: 1240px; margin: 0 auto; padding: 26px 20px 0; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 30px; letter-spacing: -0.02em; }
.page-head p { margin: 5px 0 0; color: var(--text-2); font-size: 13.5px; }

/* ── KPI ─────────────────────────────────────────────── */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 12px; margin-bottom: 22px; }
.kpi {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 15px 16px; box-shadow: var(--shadow);
}
.kpi-label { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.kpi-value { font-size: 26px; font-weight: 600; letter-spacing: -0.03em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi-value small { font-size: 13px; font-weight: 500; color: var(--text-2); margin-left: 3px; }
.kpi-sub { font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.bar { height: 4px; border-radius: 999px; background: var(--line); overflow: hidden; margin-top: 10px; }
.bar > i { display: block; height: 100%; border-radius: 999px; background: var(--accent); transition: width .4s ease; }
.bar.warn > i { background: var(--orange); }
.bar.bad > i { background: var(--red); }

/* ── 机器卡片 ─────────────────────────────────────────── */
.section-title {
  display: flex; align-items: center; gap: 10px;
  margin: 26px 0 12px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em;
}
.section-title span.meta { font-size: 12px; font-weight: 400; color: var(--text-3); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }

.card {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius-xl); padding: 18px;
  box-shadow: var(--shadow); cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.card.is-self::after {
  content: "本机"; position: absolute; top: 0; right: 0;
  background: var(--accent); color: #fff; font-size: 10.5px; font-weight: 600;
  padding: 3px 10px; border-bottom-left-radius: 10px;
}
.card.offline { opacity: .72; }

.card-top { display: flex; align-items: flex-start; gap: 10px; }
.card-title { min-width: 0; }
.card-title h3 { margin: 0; font-size: 17px; letter-spacing: -0.01em; display: flex; align-items: center; gap: 7px; }
.card-title .role { font-size: 12px; color: var(--text-2); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag {
  font-size: 10.5px; padding: 2px 7px; border-radius: 6px; font-weight: 600;
  background: color-mix(in srgb, var(--accent) 13%, transparent); color: var(--accent);
}
.tag.gray { background: var(--line-soft); color: var(--text-2); }

.rings { display: flex; gap: 8px; margin: 16px 0 12px; }
.ring { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px; }
.ring svg { width: 74px; height: 74px; transform: rotate(-90deg); }
.ring .track { fill: none; stroke: var(--line); stroke-width: 8; }
.ring .value { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset .5s ease, stroke .3s ease; }
.ring .pct { position: absolute; font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.ring-wrap { position: relative; width: 74px; height: 74px; display: grid; place-items: center; }
.ring-wrap svg { position: absolute; inset: 0; }
.ring-name { font-size: 11px; color: var(--text-2); }

.card-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 10px; font-size: 12px; color: var(--text-2); margin-bottom: 10px; }
.card-facts b { color: var(--text); font-weight: 500; font-variant-numeric: tabular-nums; }

.spark-box { height: 34px; margin: 2px 0 8px; }
.spark-box svg { width: 100%; height: 100%; display: block; }

.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding-top: 10px; border-top: 1px solid var(--line-soft); font-size: 11.5px; color: var(--text-3);
}
.src { font-family: var(--mono); font-size: 10.5px; }

/* ── 表格 ─────────────────────────────────────────────── */
.panel { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow); overflow: hidden; }
.panel-head { padding: 14px 18px; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 600; }
.panel-head .meta { font-size: 11.5px; color: var(--text-3); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; white-space: nowrap; }
th { font-size: 11.5px; font-weight: 500; color: var(--text-2); border-bottom: 1px solid var(--line); background: var(--bg-soft); cursor: pointer; user-select: none; }
th:hover { color: var(--text); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr { border-bottom: 1px solid var(--line-soft); }
tbody tr:last-child { border-bottom: 0; }
tbody tr:hover { background: var(--bg-soft); }
td.mono { font-family: var(--mono); font-size: 12px; color: var(--text-2); }

.mini-bar { width: 62px; height: 5px; border-radius: 999px; background: var(--line); overflow: hidden; display: inline-block; vertical-align: middle; margin-right: 6px; }
.mini-bar > i { display: block; height: 100%; background: var(--green); }
.mini-bar.warn > i { background: var(--orange); }
.mini-bar.bad > i { background: var(--red); }

/* ── 入口 ─────────────────────────────────────────────── */
.links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 10px; padding: 16px; }
.link {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--text); background: var(--bg-soft); transition: border-color .15s, transform .15s;
}
.link:hover { text-decoration: none; border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-1px); }
.link-ico { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 13px; background: color-mix(in srgb, var(--accent) 12%, transparent); flex: none; }
.link-body { min-width: 0; }
.link-body b { display: block; font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.link-body span { font-size: 11px; color: var(--text-3); font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }

/* ── 详情弹层 ─────────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(0, 0, 0, 0.35); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .18s ease;
}
.overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  width: min(760px, 100%); max-height: 86vh; overflow-y: auto;
  background: var(--bg-elev); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  transform: scale(0.97); transition: transform .18s ease;
}
.overlay.open .modal { transform: scale(1); }
.modal-head { position: sticky; top: 0; background: var(--bg-elev); padding: 18px 20px 14px; border-bottom: 1px solid var(--line-soft); display: flex; align-items: flex-start; gap: 12px; z-index: 2; }
.modal-head h2 { margin: 0; font-size: 20px; letter-spacing: -0.02em; }
.modal-head p { margin: 3px 0 0; font-size: 12.5px; color: var(--text-2); }
.modal-body { padding: 6px 20px 22px; }
.modal-close {
  margin-left: auto; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--text-2);
  cursor: pointer; font-size: 15px; line-height: 1; flex: none;
}
.modal-close:hover { color: var(--text); }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 14px 0; }
.kv { background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 9px 11px; }
.kv dt { font-size: 11px; color: var(--text-3); margin: 0 0 2px; }
.kv dd { margin: 0; font-size: 13px; font-weight: 500; font-variant-numeric: tabular-nums; word-break: break-all; }

.sub-h { font-size: 12.5px; font-weight: 600; color: var(--text-2); margin: 18px 0 8px; letter-spacing: 0.02em; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11.5px; padding: 4px 9px; border-radius: 7px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--text-2);
  font-family: var(--mono);
}
.chip.ok { color: var(--green-ink); border-color: color-mix(in srgb, var(--green) 35%, var(--line)); }
.chip.warn { color: var(--orange); border-color: color-mix(in srgb, var(--orange) 35%, var(--line)); }
.chip.bad { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, var(--line)); }

/* ── 提示条 / 空态 ─────────────────────────────────────── */
.banner {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: var(--radius-sm); font-size: 13px;
  background: color-mix(in srgb, var(--orange) 12%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--orange) 30%, var(--line));
  margin-bottom: 16px;
}
.banner.bad { background: color-mix(in srgb, var(--red) 10%, var(--bg-elev)); border-color: color-mix(in srgb, var(--red) 30%, var(--line)); }
.empty { padding: 40px; text-align: center; color: var(--text-3); font-size: 13px; }

.skel { background: linear-gradient(90deg, var(--line-soft), var(--line), var(--line-soft)); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 6px; color: transparent; }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.foot { max-width: 1240px; margin: 30px auto 0; padding: 0 20px; display: flex; gap: 10px; color: var(--text-3); font-size: 11.5px; flex-wrap: wrap; }
.foot .sep { opacity: .5; }

/* ── 登录页 ───────────────────────────────────────────── */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(380px, 100%); background: var(--bg-elev);
  border: 1px solid var(--line); border-radius: 26px;
  padding: 30px 26px 26px; box-shadow: var(--shadow-lg);
}
.login-card .brand { justify-content: center; margin-bottom: 6px; }
.login-card h1 { font-size: 19px; text-align: center; margin: 16px 0 4px; letter-spacing: -0.01em; }
.login-card > p { text-align: center; color: var(--text-2); font-size: 12.5px; margin: 0 0 20px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 5px; }
.field input {
  width: 100%; padding: 10px 12px; font-size: 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg-soft); color: var(--text); outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); }
.login-card .btn.primary { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }
.login-err { color: var(--red); font-size: 12.5px; min-height: 18px; margin-top: 10px; text-align: center; }
.login-foot { text-align: center; color: var(--text-3); font-size: 11px; margin-top: 18px; }

@media (max-width: 640px) {
  .page-head h1 { font-size: 24px; }
  .cards { grid-template-columns: 1fr; }
  .card-facts { grid-template-columns: 1fr 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { padding: 10px 14px; }
  .wrap { padding: 18px 14px 0; }
}