/* =============================================================================
   MTProxy Hub — Apple / Glassmorphism 玻璃拟态主题
   深浅色自动切换、移动端适配、柔和蓝绿渐变、毛玻璃、大圆角、微交互
   ============================================================================= */

:root {
  --bg: #f4f7fb;
  --bg-grad-1: #dbeafe;
  --bg-grad-2: #d1fae5;
  --bg-grad-3: #ede9fe;
  --text: #0b1020;
  --text-soft: #475569;
  --text-faint: #94a3b8;
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.6);
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --accent: #2563eb;
  --accent-2: #10b981;
  --radius: 22px;
  --radius-sm: 14px;
  --radius-lg: 30px;
  --ok: #10b981;
  --warn: #f59e0b;
  --bad: #ef4444;
  --blur: 22px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070b16;
    --bg-grad-1: #0b1f3a;
    --bg-grad-2: #06231c;
    --bg-grad-3: #1a1033;
    --text: #f1f5f9;
    --text-soft: #cbd5e1;
    --text-faint: #64748b;
    --glass: rgba(20, 27, 45, 0.55);
    --glass-strong: rgba(20, 27, 45, 0.8);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
    --accent: #60a5fa;
    --accent-2: #34d399;
  }
}

/* 手动主题覆盖 */
[data-theme="light"] {
  --bg: #f4f7fb; --bg-grad-1: #dbeafe; --bg-grad-2: #d1fae5; --bg-grad-3: #ede9fe;
  --text: #0b1020; --text-soft: #475569; --text-faint: #94a3b8;
  --glass: rgba(255,255,255,0.55); --glass-strong: rgba(255,255,255,0.75);
  --glass-border: rgba(255,255,255,0.6); --shadow: 0 8px 30px rgba(15,23,42,0.08);
  --shadow-lg: 0 20px 60px rgba(15,23,42,0.12); --accent: #2563eb; --accent-2: #10b981;
}
[data-theme="dark"] {
  --bg: #070b16; --bg-grad-1: #0b1f3a; --bg-grad-2: #06231c; --bg-grad-3: #1a1033;
  --text: #f1f5f9; --text-soft: #cbd5e1; --text-faint: #64748b;
  --glass: rgba(20,27,45,0.55); --glass-strong: rgba(20,27,45,0.8);
  --glass-border: rgba(255,255,255,0.08); --shadow: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.55); --accent: #60a5fa; --accent-2: #34d399;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景柔和渐变光斑 */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg-orbs::before, .bg-orbs::after {
  content: ""; position: absolute; width: 60vw; height: 60vw; border-radius: 50%;
  filter: blur(90px); opacity: 0.6; animation: float 22s ease-in-out infinite;
}
.bg-orbs::before { background: radial-gradient(circle, var(--bg-grad-1), transparent 70%); top: -15%; left: -10%; }
.bg-orbs::after { background: radial-gradient(circle, var(--bg-grad-2), transparent 70%); bottom: -20%; right: -10%; animation-delay: -8s; }
.bg-orb3 {
  position: fixed; z-index: -1; width: 45vw; height: 45vw; border-radius: 50%;
  background: radial-gradient(circle, var(--bg-grad-3), transparent 70%);
  filter: blur(90px); opacity: 0.5; top: 30%; left: 40%; animation: float 26s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(4%, 6%) scale(1.08); }
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* 玻璃卡片基类 */
.glass {
  background: var(--glass);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* 顶栏 */
header.nav {
  position: sticky; top: 0; z-index: 50;
  margin: 14px auto; padding: 12px 18px; max-width: 1180px;
  display: flex; align-items: center; gap: 14px;
  border-radius: var(--radius-lg);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #fff; font-size: 18px;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}
.nav .spacer { flex: 1; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--glass-border);
  background: var(--glass-strong); color: var(--text); cursor: pointer; font-size: 18px;
  display: grid; place-items: center; transition: transform .15s ease, box-shadow .15s ease;
}
.icon-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.icon-btn:active { transform: scale(.95); }

/* Hero */
.hero { text-align: center; padding: 40px 0 18px; }
.hero h1 {
  font-size: clamp(30px, 5vw, 52px); line-height: 1.1; margin: 0 0 12px;
  letter-spacing: -0.02em; font-weight: 800;
  background: linear-gradient(120deg, var(--text), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { color: var(--text-soft); font-size: clamp(15px, 2vw, 19px); max-width: 640px; margin: 0 auto; }
.badge-note {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 14px;
  font-size: 12px; color: var(--text-faint); padding: 6px 12px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--glass-border);
}

/* 统计卡片 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 26px 0; }
.stat { padding: 20px; text-align: center; transition: transform .2s ease; }
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat .num {
  font-size: clamp(24px, 4vw, 38px); font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat .label { color: var(--text-soft); font-size: 13px; margin-top: 4px; }

/* 工具栏 */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px; margin-bottom: 18px; }
.search { flex: 1; min-width: 200px; position: relative; }
.search input {
  width: 100%; padding: 11px 14px 11px 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border); background: var(--glass-strong); color: var(--text);
  font-size: 15px; outline: none; transition: box-shadow .15s ease;
}
.search input:focus { box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25); }
.search .sicon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-faint); }
select, .toolbar button {
  padding: 10px 14px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
  background: var(--glass-strong); color: var(--text); font-size: 14px; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
select:hover, .toolbar button:hover { box-shadow: var(--shadow); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color: #fff !important; border: none !important; font-weight: 600;
}
.btn-primary:hover { transform: translateY(-1px); }

/* 节点网格 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.card {
  padding: 18px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease; cursor: default; position: relative; overflow: hidden;
  animation: fadeUp .4s ease both;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card .flag { font-size: 22px; }
.card .host { font-weight: 700; font-size: 15px; word-break: break-all; }
.card .meta { color: var(--text-faint); font-size: 12px; }
.pill {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; border: 1px solid var(--glass-border); background: var(--glass-strong);
}
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.dot.bad { background: var(--bad); }
.lat-ok { color: var(--ok); } .lat-warn { color: var(--warn); } .lat-bad { color: var(--bad); }

.health-bar { height: 6px; border-radius: 999px; background: rgba(127,127,127,.2); overflow: hidden; }
.health-bar > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .5s ease; }

.card .actions { display: flex; gap: 8px; margin-top: auto; }
.card .actions button { flex: 1; padding: 9px; font-size: 13px; }

/* 标签 */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 11px; padding: 3px 8px; border-radius: 8px; background: var(--glass-strong); color: var(--text-soft); border: 1px solid var(--glass-border); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--glass-strong); backdrop-filter: blur(20px); border: 1px solid var(--glass-border);
  color: var(--text); padding: 12px 20px; border-radius: 14px; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: all .3s ease; z-index: 100; font-size: 14px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 骨架屏 */
.skeleton { position: relative; overflow: hidden; background: var(--glass); }
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* footer */
footer { margin: 40px 0 28px; text-align: center; color: var(--text-faint); font-size: 13px; }
footer a { color: var(--accent); text-decoration: none; }

/* 广告位 */
.ad-slot { margin: 22px 0; min-height: 90px; display: grid; place-items: center; border-radius: var(--radius); overflow: hidden; }
.ad-slot:empty { display: none; }

/* 空状态 */
.empty { text-align: center; padding: 60px 20px; color: var(--text-faint); }
.empty .big { font-size: 48px; margin-bottom: 12px; }

/* loadmore */
.loadmore { display: flex; justify-content: center; margin: 26px 0; }
.loadmore button { padding: 12px 28px; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .toolbar { gap: 8px; }
  .toolbar .full-m { width: 100%; }
}

/* 减弱动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}