/* ============ 星誓 · 性能监视站 ============ */
/* 主题：深色星空 + 毛玻璃卡片 + 流星视差 */

:root {
  --bg-deep: #0a0e1a;
  --glass-bg: rgba(18, 26, 48, 0.45);
  --glass-border: rgba(150, 170, 230, 0.22);
  --glass-blur: 18px;
  --text-main: #e8ecf8;
  --text-dim: #9aa6c8;
  --accent: #8fb8ff;
  --accent2: #c9a0ff;
  --ok: #5ee6a0;
  --warn: #ffc86b;
  --err: #ff7a7a;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  min-height: 100%;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text-main);
  background: var(--bg-deep);
  overflow-x: hidden;
}

/* ============ 流星背景视差层 ============ */
.bg-stage {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  perspective: 900px;
}

.bg-layer {
  position: absolute;
  /* 视差层比视口大，允许鼠标跟随位移 */
  inset: -8%;
  background-image:
    /* 顶部补一层星点渐变，避免竖版图 cover 后上半区纯黑 */
    radial-gradient(ellipse at 50% -10%, rgba(90, 110, 180, 0.35) 0%, rgba(10, 14, 26, 0.55) 45%, transparent 70%),
    url("../img/bg.jpg");
  background-size: cover;
  background-position: center 40%;
  transform: translate3d(0, 0, 0) scale(1.08);
  transition: transform 0.9s cubic-bezier(0.2, 0.6, 0.3, 1);
  will-change: transform;
  /* 缓慢呼吸缩放 */
  animation: breathe 28s ease-in-out infinite alternate;
}

@keyframes breathe {
  0%   { transform: translate3d(0, 0, 0) scale(1.06); }
  100% { transform: translate3d(0, -1.2%, 0) scale(1.12); }
}

/* 深色遮罩：保证前景可读 */
.bg-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(10, 14, 26, 0.08) 0%, rgba(10, 14, 26, 0.32) 55%, rgba(8, 10, 20, 0.62) 100%);
}

/* 流星划痕（纯 CSS 动画，轻量） */
.bg-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.6px 1.6px at 20% 30%, rgba(255,255,255,0.95) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 60% 60%, rgba(255,255,255,0.75) 0, transparent 100%),
    radial-gradient(2px 2px at 80% 20%, rgba(210,200,255,1) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 35% 75%, rgba(255,255,255,0.85) 0, transparent 100%),
    radial-gradient(1.6px 1.6px at 90% 70%, rgba(255,255,255,0.7) 0, transparent 100%),
    radial-gradient(2.2px 2.2px at 10% 85%, rgba(190,210,255,0.95) 0, transparent 100%),
    radial-gradient(1.4px 1.4px at 45% 15%, rgba(255,255,255,0.65) 0, transparent 100%),
    radial-gradient(1.8px 1.8px at 70% 85%, rgba(255,255,255,0.85) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 5% 50%, rgba(255,255,255,0.6) 0, transparent 100%),
    radial-gradient(2px 2px at 55% 40%, rgba(230,220,255,0.95) 0, transparent 100%),
    radial-gradient(1.4px 1.4px at 25% 55%, rgba(255,255,255,0.8) 0, transparent 100%),
    radial-gradient(1.8px 1.8px at 75% 45%, rgba(200,215,255,0.9) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 40% 90%, rgba(255,255,255,0.7) 0, transparent 100%),
    radial-gradient(1.6px 1.6px at 85% 10%, rgba(255,255,255,0.75) 0, transparent 100%),
    radial-gradient(2.4px 2.4px at 15% 15%, rgba(220,210,255,0.9) 0, transparent 100%),
    radial-gradient(1.2px 1.2px at 65% 25%, rgba(255,255,255,0.65) 0, transparent 100%);
  background-repeat: repeat;
  animation: twinkle 4s ease-in-out infinite alternate;
  opacity: 0.85;
  pointer-events: none;
}

@keyframes twinkle {
  0%   { opacity: 0.5; }
  100% { opacity: 1; }
}

/* 流星条 */
.bg-stage::after {
  content: "";
  position: absolute;
  top: 12%;
  left: 70%;
  width: 130px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.85), rgba(190,200,255,0.3));
  border-radius: 2px;
  transform: rotate(-28deg);
  filter: blur(0.4px);
  animation: meteor 7s linear infinite;
  opacity: 0;
}

@keyframes meteor {
  0%   { transform: translate(0, 0) rotate(-28deg); opacity: 0; }
  2%   { opacity: 0.9; }
  8%   { transform: translate(-260px, 140px) rotate(-28deg); opacity: 0; }
  100% { transform: translate(-260px, 140px) rotate(-28deg); opacity: 0; }
}

/* ============ 玻璃卡片 ============ */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.35);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
}

/* ============ 顶栏 ============ */
.hero {
  margin: 26px auto 22px;
  max-width: 1180px;
  padding: 22px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-brand { display: flex; align-items: center; gap: 16px; }

.hero-avatar {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b4f8f, #6b4fa0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  box-shadow: 0 0 24px rgba(120, 140, 255, 0.45);
}

.avatar-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(140, 160, 255, 0.5);
  animation: pulseRing 2.6s ease-out infinite;
}

@keyframes pulseRing {
  0%   { transform: scale(0.95); opacity: 0.8; }
  70%  { transform: scale(1.25); opacity: 0; }
  100% { opacity: 0; }
}

.hero-text h1 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #eef2ff, #b9c8ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

.hero-meta { text-align: right; }

.clock {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(140, 180, 255, 0.35);
}

.date { font-size: 13px; color: var(--text-dim); margin-top: 2px; }
.gen { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.hero-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(10, 14, 26, 0.5);
  border: 1px solid var(--glass-border);
  font-size: 14px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px var(--ok);
  animation: dotBlink 2s ease-in-out infinite;
}

.status-dot.warn { background: var(--warn); box-shadow: 0 0 12px var(--warn); }
.status-dot.err  { background: var(--err); box-shadow: 0 0 12px var(--err); }

@keyframes dotBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ============ 卡片网格 ============ */
.grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.card {
  padding: 18px 20px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(160, 180, 255, 0.35);
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.55);
}

.card-wide { grid-column: 1 / -1; }

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(140, 160, 220, 0.12);
}

.card-icon { font-size: 18px; }

.card-head h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.badge {
  margin-left: auto;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(140, 180, 255, 0.12);
  color: var(--accent);
  border: 1px solid rgba(140, 180, 255, 0.2);
}

.badge.ok   { background: rgba(94, 230, 160, 0.12); color: var(--ok); border-color: rgba(94, 230, 160, 0.25); }
.badge.warn { background: rgba(255, 200, 107, 0.12); color: var(--warn); border-color: rgba(255, 200, 107, 0.25); }
.badge.err  { background: rgba(255, 122, 122, 0.14); color: var(--err); border-color: rgba(255, 122, 122, 0.3); }

.card-body { display: flex; flex-direction: column; gap: 10px; }

/* ============ 键值行 ============ */
.kv {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.k { font-size: 12.5px; color: var(--text-dim); flex-shrink: 0; }
.v { font-size: 14px; color: var(--text-main); text-align: right; word-break: break-all; }
.v.mono { font-family: "Cascadia Mono", Consolas, monospace; }
.v.sm { font-size: 12.5px; }
.v.ok { color: var(--ok); }
.v.warn { color: var(--warn); }
.v.err { color: var(--err); }

/* ============ 仪表盘 ============ */
.gauge-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 10px;
  padding: 6px 0 4px;
}

.gauge {
  position: relative;
  width: 96px;
  text-align: center;
}

.gauge svg { width: 96px; height: 96px; transform: rotate(-90deg); }

.gauge-bg {
  fill: none;
  stroke: rgba(140, 160, 220, 0.15);
  stroke-width: 7;
}

.gauge-fg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 263.9;   /* 2πr, r=42 */
  stroke-dashoffset: 263.9;
  transition: stroke-dashoffset 0.9s cubic-bezier(0.3, 0.6, 0.3, 1), stroke 0.4s ease;
}

.gauge-val {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  font-family: "Cascadia Mono", Consolas, monospace;
  color: var(--text-main);
}

.gauge-val em {
  font-style: normal;
  font-size: 11px;
  margin-left: 2px;
  color: var(--text-dim);
  font-weight: 400;
}

.gauge-label {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-dim);
}

/* ============ 磁盘列表 ============ */
.disk-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }

.disk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
}

.disk-name {
  width: 22px;
  color: var(--text-dim);
  font-family: "Cascadia Mono", Consolas, monospace;
  flex-shrink: 0;
}

.disk-bar {
  flex: 1;
  height: 7px;
  border-radius: 4px;
  background: rgba(140, 160, 220, 0.14);
  overflow: hidden;
}

.disk-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.8s cubic-bezier(0.3, 0.6, 0.3, 1);
}

.disk-fill.warn { background: linear-gradient(90deg, #ffb35c, #ffc86b); }
.disk-fill.err  { background: linear-gradient(90deg, #ff6b6b, #ff9a9a); }

.disk-pct {
  width: 52px;
  text-align: right;
  font-family: "Cascadia Mono", Consolas, monospace;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* ============ 服务网格 ============ */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 8px;
}

.svc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(140, 160, 220, 0.06);
  border: 1px solid rgba(140, 160, 220, 0.1);
  font-size: 13px;
}

.svc-item .svc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
}

.svc-item.down .svc-dot { background: var(--err); box-shadow: 0 0 8px var(--err); }

.svc-item .svc-name {
  font-weight: 500;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.svc-item .svc-host { margin-left: auto; font-size: 11px; color: var(--text-dim); font-family: "Cascadia Mono", Consolas, monospace; }

.svc-item.child {
  margin-left: 18px;
  border-left: 2px solid rgba(140, 160, 220, 0.25);
  background: rgba(140, 160, 220, 0.03);
}

.svc-item.child .svc-name {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.svc-item.child .svc-name::before {
  content: "└";
  color: var(--text-dim);
  font-size: 11px;
  flex-shrink: 0;
}

/* ============ 流量 ============ */
.traffic-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.traffic-item {
  flex: 1;
  min-width: 130px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(140, 160, 220, 0.06);
  border: 1px solid rgba(140, 160, 220, 0.1);
  text-align: center;
}

.traffic-item .t-name { font-size: 11px; color: var(--text-dim); margin-bottom: 4px; }
.traffic-item .t-rate { font-size: 16px; font-weight: 600; font-family: "Cascadia Mono", Consolas, monospace; color: var(--accent); }
.traffic-item .t-dir { font-size: 10px; color: var(--text-dim); margin-top: 2px; }

.traffic-total { margin-top: 8px; font-size: 12px; color: var(--text-dim); text-align: center; }

/* ============ 页脚 ============ */
.foot {
  text-align: center;
  padding: 22px 18px 30px;
  font-size: 12px;
  color: var(--text-dim);
  opacity: 0.75;
}

.foot-sep { margin: 0 6px; }

.foot::before {
  content: "";
  display: block;
  width: 160px;
  height: 1px;
  margin: 0 auto 16px;
  background: linear-gradient(90deg, transparent, rgba(140, 180, 255, 0.5), transparent);
}

/* ============ 移动端适配 ============ */
@media (max-width: 640px) {
  .hero { padding: 16px 16px; }
  .hero-meta { text-align: left; }
  .grid { padding: 0 12px 20px; grid-template-columns: 1fr; }
  .gauge { width: 84px; }
  .gauge svg { width: 84px; height: 84px; }
}

/* 减少动态效果（用户偏好减少动态时） */
@media (prefers-reduced-motion: reduce) {
  .bg-layer { animation: none; }
  .bg-stage::after { animation: none; opacity: 0; }
  .bg-stage::before { animation: none; }
}