/* ============ 设计变量（浅色为默认主题） ============ */
:root {
  color-scheme: light;
  --bg: #f2f6fb;
  --bg-2: #e9eef6;
  --card: rgba(255, 255, 255, 0.72);
  --card-hover: rgba(255, 255, 255, 0.98);
  --border: rgba(23, 43, 88, 0.13);
  --border-glow: rgba(8, 145, 178, 0.4);
  --text: #16233c;
  --text-dim: #4e5e79;
  /* 对比度（WCAG 相对亮度）：对 --bg #f2f6fb 为 5.04:1，对 --bg-2 #e9eef6 为 4.70:1，对卡片合成色 #fbfcfe 为 5.33:1 */
  --text-faint: #5d6a80;
  --accent: #0891b2;
  --accent-2: #4f46e5;
  --accent-3: #7c3aed;
  --success: #059669;
  --warn: #d97706;
  --danger: #dc2626;
  --grad-main: linear-gradient(135deg, #06b6d4 0%, #4f46e5 55%, #7c3aed 100%);
  --on-accent: #ffffff;
  --panel-bg: rgba(255, 255, 255, 0.94);
  --topbar-bg: rgba(246, 249, 253, 0.85);
  --bar-bg: rgba(246, 249, 253, 0.96);
  --toast-bg: rgba(255, 255, 255, 0.97);
  --toast-shadow: 0 12px 34px -8px rgba(23, 43, 88, 0.22), 0 0 20px -6px rgba(5, 150, 105, 0.14);
  --input-bg: rgba(240, 245, 251, 0.92);
  --input-bg-2: rgba(235, 242, 250, 0.95);
  --code-bg: rgba(245, 248, 252, 0.96);
  --shadow-card: 0 14px 34px -14px rgba(23, 43, 88, 0.22);
  --accent-text: #0e7490;
  --code-inline: #0e7490;
  --nav-active-text: #0e7490;
  --preset-text: #0e7490;
  --textarea-text: #164e63;
  --rule-value: #075985;
  --grid-line: rgba(79, 70, 229, 0.075);
  --orb-opacity: 0.3;
  --ln: #9aa8bd;
  --y-key: #0369a1;
  --y-str: #047857;
  --y-num: #b45309;
  --y-bool: #6d28d9;
  --y-comment: #8795a9;
  --y-dash: #4f46e5;
  --font: "Inter", "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", "SF Mono", Consolas, monospace;
  --radius: 14px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --sidebar-w: 300px;
}

/* ============ 暗色主题覆盖 ============ */
html.dark {
  color-scheme: dark;
  --bg: #070b14;
  --bg-2: #0b1120;
  --card: rgba(148, 163, 184, 0.045);
  --card-hover: rgba(148, 163, 184, 0.08);
  --border: rgba(148, 163, 184, 0.14);
  --border-glow: rgba(34, 211, 238, 0.4);
  --text: #e6edf7;
  --text-dim: #8b98ad;
  /* 对比度：对 --bg #070b14 为 5.64:1，对 --bg-2 #0b1120 为 5.39:1，对卡片悬停合成色 #121721 为 5.14:1，对 bg-2 上的卡片 #161d2c 为 4.83:1 */
  --text-faint: #7d8aa0;
  --accent: #22d3ee;
  --accent-2: #6366f1;
  --accent-3: #a78bfa;
  --success: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --grad-main: linear-gradient(135deg, #22d3ee 0%, #6366f1 55%, #a78bfa 100%);
  --on-accent: #051018;
  --panel-bg: rgba(11, 17, 32, 0.9);
  --topbar-bg: rgba(7, 11, 20, 0.72);
  --bar-bg: rgba(7, 11, 20, 0.94);
  --toast-bg: rgba(11, 20, 36, 0.92);
  --toast-shadow: 0 12px 34px -8px rgba(0, 0, 0, 0.6), 0 0 20px -6px rgba(52, 211, 153, 0.2);
  --input-bg: rgba(4, 8, 16, 0.6);
  --input-bg-2: rgba(4, 8, 16, 0.55);
  --code-bg: rgba(3, 6, 12, 0.8);
  --shadow-card: 0 14px 34px -12px rgba(0, 0, 0, 0.6);
  --accent-text: #67e8f9;
  --code-inline: #94e8f8;
  --nav-active-text: #ffffff;
  --preset-text: #a5f3fc;
  --textarea-text: #b8e8f5;
  --rule-value: #bae6fd;
  --grid-line: rgba(99, 102, 241, 0.05);
  --orb-opacity: 0.5;
  --ln: #3b4557;
  --y-key: #7dd3fc;
  --y-str: #a5f3d0;
  --y-num: #fbbf24;
  --y-bool: #c4b5fd;
  --y-comment: #4b5768;
  --y-dash: #818cf8;
}

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

html { scrollbar-color: rgba(139,152,173,.25) transparent; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(34, 211, 238, 0.25); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(139,152,173,.2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(139,152,173,.35); }
::-webkit-scrollbar-track { background: transparent; }

/* ============ 背景层（静止：不再有平移/模糊/循环动画，避免持续重绘） ============ */
.bg-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}

/* 光斑：用多段色标的径向渐变近似原 blur(110px) 的柔和衰减，无 filter */
.glow-orb { position: absolute; border-radius: 50%; opacity: var(--orb-opacity); }
.orb-1 { width: 760px; height: 760px; top: -350px; left: calc(8% - 70px);
  background: radial-gradient(circle closest-side, rgba(34,211,238,.26) 0%, rgba(34,211,238,.19) 22%, rgba(34,211,238,.1) 45%, rgba(34,211,238,.035) 70%, transparent 100%); }
.orb-2 { width: 700px; height: 700px; top: calc(30% - 70px); right: -250px;
  background: radial-gradient(circle closest-side, rgba(99,102,241,.28) 0%, rgba(99,102,241,.2) 22%, rgba(99,102,241,.1) 45%, rgba(99,102,241,.035) 70%, transparent 100%); }
.orb-3 { width: 540px; height: 540px; bottom: -270px; left: calc(34% - 60px);
  background: radial-gradient(circle closest-side, rgba(167,139,250,.17) 0%, rgba(167,139,250,.12) 22%, rgba(167,139,250,.06) 45%, rgba(167,139,250,.02) 70%, transparent 100%); }

/* ============ 入场动画 ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn {
  from { opacity: 0; transform: scale(.96) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
/* .stagger 仅作结构标记：步骤区通过 display 切换，若在此挂动画会在每次切换时重播 */
/* 节点卡片 / 规则项只在首次出现时由脚本加 is-entering 播放一次 */
.node-card.is-entering { animation: popIn .2s var(--ease-out) both; }
.rule-item.is-entering { animation: ruleIn .2s var(--ease-out) both; }

/* ============ 顶栏 ============ */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 62px;
  display: flex; align-items: center; gap: 20px;
  padding: 0 26px;
  background: var(--topbar-bg);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid rgba(148, 163, 184, 0.09);
}
.topbar::after {
  content: ""; position: absolute; bottom: -1px; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,.45), transparent);
  opacity: .7;
}

.logo { display: flex; align-items: center; gap: 11px; user-select: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad-main);
  display: grid; place-items: center;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4), inset 0 0 12px rgba(255,255,255,.18);
  position: relative; overflow: hidden;
}
.logo-mark::before {
  content: ""; position: absolute; inset: -60%;
  background: conic-gradient(from 0deg, transparent, rgba(255,255,255,.5), transparent 30%);
  animation: spin 6s linear infinite;
}
.logo-mark svg { position: relative; z-index: 1; }
@keyframes spin { to { transform: rotate(360deg); } }
.logo-text { font-size: 15.5px; font-weight: 700; letter-spacing: .2px; }
.logo-text em {
  font-style: normal; font-size: 10px; font-weight: 700; vertical-align: super;
  background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-left: 5px; letter-spacing: 1px;
}

/* 顶部工作区导航 */
.workspace-nav { display: flex; gap: 4px; margin-left: 14px; position: relative; }
.wnav-item {
  padding: 8px 16px; border-radius: 10px; font-size: 13.5px; font-weight: 550;
  color: var(--text-dim); cursor: pointer; border: 1px solid transparent;
  transition: color .25s, background .25s, border-color .25s;
  display: flex; align-items: center; gap: 7px;
  position: relative; user-select: none;
}
.wnav-item:hover { color: var(--text); background: rgba(148,163,184,.07); }
.wnav-item.active { color: var(--nav-active-text); background: rgba(34,211,238,.1); border-color: rgba(34,211,238,.22); }
.wnav-item.active .wnum { background: var(--grad-main); color: var(--on-accent); }
.wnum {
  font-size: 10px; font-family: var(--mono); font-weight: 700;
  width: 17px; height: 17px; border-radius: 5px;
  display: grid; place-items: center;
  background: rgba(148,163,184,.14); color: var(--text-dim);
  transition: color .25s, background-color .25s;
}

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.sub-status {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-dim);
  padding: 6px 12px; border-radius: 99px;
  background: rgba(52, 211, 153, 0.07); border: 1px solid rgba(52, 211, 153, 0.18);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); position: relative; }
.dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--success);
  animation: ping 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes ping { 75%, 100% { transform: scale(2); opacity: 0; } }

.avatar {
  width: 34px; height: 34px; border-radius: 10px; cursor: pointer;
  background: linear-gradient(135deg, #312e81, #0e7490);
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; color: #e0f2fe;
  border: 1px solid rgba(148,163,184,.25);
  transition: transform .25s var(--ease-out), box-shadow .25s;
}
.avatar:hover { transform: scale(1.08); box-shadow: 0 0 16px rgba(34,211,238,.3); }

.btn-icon {
  width: 34px; height: 34px; border-radius: 10px; cursor: pointer;
  background: rgba(148,163,184,.08); border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--text-dim);
  transition: color .25s, border-color .25s, background-color .25s, transform .25s;
}
.btn-icon:hover { color: var(--text); border-color: rgba(34,211,238,.4); background: rgba(34,211,238,.08); transform: translateY(-1px); }
#themeToggle .ico-moon { display: none; }
html.dark #themeToggle .ico-sun { display: none; }
html.dark #themeToggle .ico-moon { display: block; }
#themeToggle { overflow: hidden; }
#themeToggle svg { animation: popIn .4s var(--ease-out); }

/* ============ 主布局 ============ */
.layout {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 22px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 86px 26px 76px;
}
.layout.side-hidden { grid-template-columns: 0 1fr; }
.layout.side-hidden .settings-panel { opacity: 0; transform: translateX(-24px); pointer-events: none; }

/* ============ 主内容 ============ */
.main-col { min-width: 0; order: 2; }

/* Hero */
.hero { padding: 26px 4px 24px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
  animation: fadeUp .2s var(--ease-out) both;
}
.hero-eyebrow::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); }
.hero h1 {
  font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; line-height: 1.22;
  letter-spacing: -.5px; animation: fadeUp .2s var(--ease-out) .02s both;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #0e7490, #4f46e5, #7c3aed);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
html.dark .hero h1 .grad {
  background: linear-gradient(90deg, #22d3ee, #818cf8, #c084fc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p {
  margin-top: 12px; max-width: 640px; color: var(--text-dim);
  font-size: 14.5px; line-height: 1.75;
  animation: fadeUp .2s var(--ease-out) .04s both;
}

/* 统计卡 */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px; margin: 26px 0 8px;
}
.stat-card {
  position: relative; padding: 16px 18px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .35s var(--ease-out), border-color .35s, background-color .35s;
  animation: popIn .2s var(--ease-out) both;
}
.stat-card:nth-child(2) { animation-delay: .02s; }
.stat-card:nth-child(3) { animation-delay: .04s; }
.stat-card:nth-child(4) { animation-delay: .06s; }
.stat-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--edge-c, rgba(34,211,238,.6)), transparent);
  opacity: 0; transition: opacity .4s;
}
.stat-card:hover { transform: translateY(-4px); background: var(--card-hover); border-color: rgba(34,211,238,.25); }
.stat-card:hover::before { opacity: 1; }
.stat-label { font-size: 11.5px; color: var(--text-faint); letter-spacing: 1.5px; font-weight: 600; text-transform: uppercase; }
.stat-value { font-size: 27px; font-weight: 800; margin-top: 6px; font-family: var(--mono); letter-spacing: -.5px; }
.stat-value .unit { font-size: 13px; font-weight: 500; color: var(--text-dim); margin-left: 3px; }
.stat-trend { font-size: 11px; margin-top: 4px; color: var(--success); display: flex; align-items: center; gap: 4px; }

/* 面板 */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  position: relative; overflow: hidden;
}
.panel + .panel { margin-top: 18px; }
.panel::before {
  content: ""; position: absolute; inset: 0; border-radius: 18px; padding: 1px;
  background: linear-gradient(140deg, rgba(34,211,238,.18), transparent 30%, transparent 70%, rgba(167,139,250,.14));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel-title { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 9px; }
.panel-title svg { color: var(--accent); }
.panel-hint { font-size: 12px; color: var(--text-faint); }

/* 步骤区域切换 */
.step-section { display: none; }
.step-section.active { display: block; animation: fadeIn .15s ease both; }

/* ============ 步骤 Banner（大区块标题） ============ */
.step-banner {
  position: relative; overflow: hidden;
  border-radius: 22px;
  padding: 36px 38px 34px;
  margin-bottom: 20px;
  background:
    radial-gradient(460px 190px at 10% -10%, rgba(var(--bc), .16), transparent 68%),
    radial-gradient(380px 170px at 96% 120%, rgba(var(--bc), .09), transparent 65%),
    var(--panel-bg);
  border: 1px solid rgba(var(--bc), .28);
  display: flex; align-items: center; gap: 26px;
}
.step-banner::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1.5px;
  background: linear-gradient(90deg, transparent, rgb(var(--bc)), rgba(var(--bc), .15), transparent);
  opacity: .85;
}
.sb-ico {
  width: 66px; height: 66px; border-radius: 19px; flex-shrink: 0;
  display: grid; place-items: center;
  color: rgb(var(--bc));
  background: linear-gradient(150deg, rgba(var(--bc), .2), rgba(var(--bc), .05));
  border: 1px solid rgba(var(--bc), .38);
  box-shadow: 0 10px 30px -10px rgba(var(--bc), .5), inset 0 0 18px rgba(var(--bc), .1);
  transition: transform .35s var(--ease-out), box-shadow .35s;
}
.step-banner:hover .sb-ico {
  transform: scale(1.07) rotate(-2deg);
  box-shadow: 0 14px 38px -10px rgba(var(--bc), .6), inset 0 0 22px rgba(var(--bc), .14);
}
.sb-body { min-width: 0; position: relative; z-index: 1; }
.sb-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11px; font-weight: 700; letter-spacing: 3.5px; text-transform: uppercase;
  color: rgb(var(--bc)); margin-bottom: 10px; font-family: var(--mono);
}
.sb-eyebrow::before { content: ""; width: 22px; height: 1.5px; background: linear-gradient(90deg, rgb(var(--bc)), transparent); }
.sb-title {
  font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; letter-spacing: -.6px; line-height: 1.15;
}
.sb-desc { margin-top: 9px; font-size: 13.5px; color: var(--text-dim); line-height: 1.7; max-width: 560px; }
.sb-num {
  margin-left: auto; flex-shrink: 0; position: relative; z-index: 1;
  font-family: var(--mono); font-size: clamp(64px, 7vw, 96px); font-weight: 900;
  line-height: 1; letter-spacing: -4px; user-select: none;
  background: linear-gradient(180deg, rgba(var(--bc), .95), rgba(var(--bc), .08));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: transform .45s var(--ease-out);
  filter: drop-shadow(0 6px 22px rgba(var(--bc), .25));
}
.step-banner:hover .sb-num { transform: translateY(-4px) scale(1.03); }
@media (max-width: 720px) {
  .step-banner { padding: 26px 22px; gap: 16px; flex-wrap: wrap; }
  .sb-num { display: none; }
  .sb-ico { width: 52px; height: 52px; border-radius: 15px; }
}

/* ============ Step1 导入 ============ */
.method-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.method-card {
  padding: 17px 16px; border-radius: 13px; cursor: pointer;
  background: var(--card); border: 1.5px solid var(--border);
  transition: transform .3s var(--ease-out), border-color .3s, background-color .3s, box-shadow .3s; position: relative; overflow: hidden;
}
.method-card:hover { transform: translateY(-3px); border-color: rgba(34,211,238,.35); background: var(--card-hover); }
.method-card.active {
  border-color: rgba(34,211,238,.65);
  background: linear-gradient(160deg, rgba(34,211,238,.1), rgba(99,102,241,.06));
  box-shadow: 0 0 0 1px rgba(34,211,238,.25), 0 8px 30px -8px rgba(34,211,238,.25);
}
.method-card.active .m-icon { background: var(--grad-main); color: var(--on-accent); box-shadow: 0 0 16px rgba(34,211,238,.4); }
.m-icon {
  width: 38px; height: 38px; border-radius: 11px;
  background: rgba(148,163,184,.1); color: var(--text-dim);
  display: grid; place-items: center; margin-bottom: 12px;
  transition: color .3s, background-color .3s, box-shadow .3s;
}
.method-card h4 { font-size: 14px; font-weight: 650; margin-bottom: 5px; }
.method-card p { font-size: 12px; color: var(--text-faint); line-height: 1.6; }

.paste-zone {
  margin-top: 16px; position: relative;
}
.paste-zone textarea {
  width: 100%; min-height: 240px; resize: vertical;
  background: var(--input-bg);
  border: 1px solid var(--border); border-radius: 13px;
  color: var(--textarea-text); font-family: var(--mono); font-size: 12.5px; line-height: 1.8;
  padding: 18px 20px; outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.paste-zone textarea:focus {
  border-color: rgba(34,211,238,.55);
  box-shadow: 0 0 0 3px rgba(34,211,238,.1), inset 0 0 30px rgba(34,211,238,.03);
}
.paste-zone textarea::placeholder { color: var(--text-faint); }

/* ============ 通用按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: 11px; border: 1px solid var(--border);
  background: rgba(148,163,184,.08); color: var(--text);
  font-size: 13.5px; font-weight: 600; font-family: var(--font);
  cursor: pointer; transition: transform .28s var(--ease-out), border-color .28s, background-color .28s, box-shadow .28s;
  position: relative; overflow: hidden; user-select: none;
}
.btn:hover { border-color: rgba(148,163,184,.4); background: rgba(148,163,184,.14); transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary {
  background: var(--grad-main); background-size: 160% auto;
  border: none; color: var(--on-accent); font-weight: 700;
  box-shadow: 0 4px 18px -4px rgba(34,211,238,.45);
}
.btn-primary:hover {
  background-position: right center;
  box-shadow: 0 6px 26px -4px rgba(99,102,241,.6);
  transform: translateY(-2px);
}
.btn-lg { padding: 14px 30px; font-size: 15px; border-radius: 13px; }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; }

/* ============ Step2 节点 ============ */
.node-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 14px; }
.node-card {
  /* 屏幕外卡片跳过布局与绘制；auto 会记住已渲染高度 */
  content-visibility: auto; contain-intrinsic-size: auto 150px;
  padding: 16px; border-radius: 14px;
  background: var(--card); border: 1px solid var(--border);
  transition: transform .35s var(--ease-out), border-color .35s, box-shadow .35s;
  position: relative; overflow: hidden;
}
.node-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(34,211,238,.09), transparent 45%);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.node-card:hover { transform: translateY(-5px); border-color: rgba(34,211,238,.3); box-shadow: var(--shadow-card); }
.node-card.dragging { opacity: .45; border-style: dashed; }
.node-card.drop-target { border-color: rgba(34,211,238,.75); box-shadow: 0 0 0 2px rgba(34,211,238,.25); }
.node-card.editing { border-color: rgba(34,211,238,.6); border-style: dashed; }
.node-form-conflict { color: var(--danger); margin: 0 0 12px; }
.node-card:hover::before { opacity: 1; }

.node-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 11px; }
.node-name { font-size: 13.5px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge {
  font-size: 10px; font-weight: 800; letter-spacing: 1px;
  padding: 4px 9px; border-radius: 6px; text-transform: uppercase;
  font-family: var(--mono); flex-shrink: 0;
}
.b-hy2 { background: rgba(225,29,72,.08); color: #be123c; border: 1px solid rgba(225,29,72,.28); }
.b-vless { background: rgba(8,145,178,.09); color: #0e7490; border: 1px solid rgba(8,145,178,.3); }
.b-ss { background: rgba(59,130,246,.09); color: #1d4ed8; border: 1px solid rgba(59,130,246,.3); }
.b-vmess { background: rgba(139,92,246,.09); color: #6d28d9; border: 1px solid rgba(139,92,246,.3); }
.b-tuic { background: rgba(5,150,105,.09); color: #047857; border: 1px solid rgba(5,150,105,.3); }
.b-trojan { background: rgba(236,72,153,.09); color: #be185d; border: 1px solid rgba(236,72,153,.3); }
html.dark .b-hy2 { background: rgba(251,113,133,.14); color: #fb7185; border-color: rgba(251,113,133,.3); }
html.dark .b-vless { background: rgba(34,211,238,.12); color: #22d3ee; border-color: rgba(34,211,238,.3); }
html.dark .b-ss { background: rgba(96,165,250,.12); color: #60a5fa; border-color: rgba(96,165,250,.3); }
html.dark .b-vmess { background: rgba(167,139,250,.12); color: #a78bfa; border-color: rgba(167,139,250,.3); }
html.dark .b-tuic { background: rgba(52,211,153,.12); color: #34d399; border-color: rgba(52,211,153,.3); }
html.dark .b-trojan { background: rgba(244,114,182,.12); color: #f472b6; border-color: rgba(244,114,182,.3); }

.node-server {
  font-family: var(--mono); font-size: 11.5px; color: var(--text-faint);
  display: flex; align-items: center; gap: 6px; margin-bottom: 13px;
}
.node-server svg { flex-shrink: 0; opacity: .6; }

.node-actions {
  display: flex; gap: 6px; margin-top: 13px; padding-top: 12px;
  border-top: 1px solid rgba(148,163,184,.08);
  opacity: 0; transform: translateY(4px); transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}
.node-card:hover .node-actions { opacity: 1; transform: translateY(0); }
.chip-btn {
  padding: 5px 12px; border-radius: 8px; font-size: 11.5px; font-weight: 600;
  background: rgba(148,163,184,.09); border: 1px solid var(--border);
  color: var(--text-dim); cursor: pointer; transition: color .22s, border-color .22s, background-color .22s; font-family: var(--font);
}
.chip-btn:hover { color: var(--text); border-color: rgba(34,211,238,.4); background: rgba(34,211,238,.09); }
.chip-btn.danger:hover { color: #fca5a5; border-color: rgba(248,113,113,.45); background: rgba(248,113,113,.1); }

.add-node-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.protocol-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  padding: 7px 15px; border-radius: 99px; font-size: 12.5px; font-weight: 650;
  font-family: var(--mono); cursor: pointer;
  background: rgba(148,163,184,.07); border: 1px solid var(--border); color: var(--text-dim);
  transition: color .25s, border-color .25s, background-color .25s, transform .25s var(--ease-out), box-shadow .25s; user-select: none;
}
.pill:hover { color: var(--text); border-color: rgba(148,163,184,.4); transform: translateY(-1px); }
.pill.active {
  color: var(--on-accent); background: var(--grad-main); border-color: transparent;
  box-shadow: 0 3px 14px -2px rgba(34,211,238,.5);
}

/* ============ Step3 规则 ============ */
.rules-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 18px; }
@media (max-width: 1100px) { .rules-layout { grid-template-columns: 1fr; } }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 7px; letter-spacing: .3px; }
.field input, .field select {
  width: 100%; padding: 10px 13px; border-radius: 10px;
  background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-family: var(--font);
  outline: none; transition: border-color .25s, box-shadow .25s;
}
/* 复选框不能继承整行宽与大内边距：checkbox 的可勾选区域只有自身小方框，
   拉宽后点击文字附近区域不会切换状态。 */
.field input[type="checkbox"] { width: 16px; height: 16px; padding: 0; flex: none; cursor: pointer; accent-color: #22d3ee; }
.field select { cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b98ad' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.field input:focus, .field select:focus {
  border-color: rgba(34,211,238,.55);
  box-shadow: 0 0 0 3px rgba(34,211,238,.1);
}
.field input::placeholder { color: var(--text-faint); }

.rule-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: 11px;
  background: rgba(148,163,184,.05); border: 1px solid rgba(148,163,184,.09);
  margin-bottom: 8px;
  transition: border-color .25s, background-color .25s;
}
.rule-item:hover { border-color: rgba(34,211,238,.25); background: rgba(34,211,238,.05); }
@keyframes ruleIn { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: translateX(0); } }
.rule-idx { font-family: var(--mono); font-size: 11px; color: var(--text-faint); min-width: 22px; }
.rule-type {
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  padding: 3px 8px; border-radius: 6px; letter-spacing: .5px;
  background: rgba(99,102,241,.13); color: #a5b4fc; border: 1px solid rgba(99,102,241,.25);
  flex-shrink: 0;
}
.rule-value { font-family: var(--mono); font-size: 12.5px; color: var(--rule-value); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rule-target {
  font-size: 11.5px; font-weight: 650; color: var(--text-dim);
  display: flex; align-items: center; gap: 5px; flex-shrink: 0;
}
.rule-target .arrow { color: var(--accent); }
.rule-del {
  width: 24px; height: 24px; border-radius: 7px; cursor: pointer;
  display: grid; place-items: center; color: var(--text-faint);
  background: transparent; border: none; transition: color .22s, background-color .22s; flex-shrink: 0;
}
.rule-del:hover { color: #f87171; background: rgba(248,113,113,.12); }

/* ============ Step4 生成 ============ */
.generate-hero { text-align: center; padding: 34px 20px 26px; }
.generate-hero h3 { font-size: 20px; font-weight: 750; margin-bottom: 8px; }
.generate-hero p { color: var(--text-dim); font-size: 13.5px; margin-bottom: 24px; }

.check-results { display: none; margin-top: 20px; }
.check-results.show { display: block; }
.check-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 15px; border-radius: 11px; margin-bottom: 9px;
  animation: fadeUp .2s var(--ease-out) both;
  border: 1px solid rgba(52,211,153,.18); background: rgba(52,211,153,.05);
}
.check-item.warn { border-color: rgba(251,191,36,.18); background: rgba(251,191,36,.05); }
.check-item .icon-circle {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center;
}
.check-item.ok .icon-circle { background: rgba(52,211,153,.15); color: var(--success); }
.check-item.warn .icon-circle { background: rgba(251,191,36,.15); color: var(--warn); }
.check-item span { font-size: 13px; font-weight: 550; }
.check-item .detail { margin-left: auto; font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }
.check-item:nth-child(2) { animation-delay: .02s; }
.check-item:nth-child(3) { animation-delay: .04s; }
.check-item:nth-child(n+4) { animation-delay: .06s; }

.yaml-wrap { display: none; margin-top: 18px; }
.yaml-wrap.show { display: block; animation: fadeIn .15s both; }
.yaml-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
}
.yaml-dots { display: flex; gap: 6px; }
.yaml-dots i { width: 10px; height: 10px; border-radius: 50%; }
.yaml-dots i:nth-child(1) { background: #f87171; }
.yaml-dots i:nth-child(2) { background: #fbbf24; }
.yaml-dots i:nth-child(3) { background: #34d399; }
.yaml-code {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 13px; padding: 18px 0; overflow: auto; max-height: 420px;
  font-family: var(--mono); font-size: 12px; line-height: 1.75;
}
.yaml-line { display: flex; padding: 0 18px; white-space: pre; }
.yaml-line:hover { background: rgba(34,211,238,.04); }
.ln { color: var(--ln); min-width: 34px; padding-right: 16px; text-align: right; user-select: none; }
.y-key { color: var(--y-key); }
.y-str { color: var(--y-str); }
.y-num { color: var(--y-num); }
.y-bool { color: var(--y-bool); }
.y-comment { color: var(--y-comment); font-style: italic; }
.y-dash { color: var(--y-dash); }

.gen-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* ============ 左侧设置面板 ============ */
.settings-panel {
  order: 1;
  position: sticky; top: 86px; align-self: start;
  max-height: calc(100vh - 110px); overflow-y: auto;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
  animation: fadeUp .2s var(--ease-out) .06s both;
  padding-bottom: 10px;
}
.sp-card {
  background: var(--panel-bg);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 18px; margin-bottom: 14px;
}
.sp-title {
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between;
}
.mode-switch { position: relative; display: grid; grid-template-columns: 1fr 1fr; background: var(--input-bg-2); border: 1px solid var(--border); border-radius: 11px; padding: 4px; }
.mode-switch .indicator {
  position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px);
  background: var(--grad-main); border-radius: 8px;
  transition: transform .38s var(--ease-out);
  box-shadow: 0 2px 14px -2px rgba(34,211,238,.5);
}
.mode-switch.router .indicator { transform: translateX(100%); }
.mode-switch button {
  position: relative; z-index: 1; padding: 8px 4px; border: none; background: transparent;
  color: var(--text-dim); font-size: 12px; font-weight: 650; cursor: pointer;
  font-family: var(--font); transition: color .3s; border-radius: 8px;
}
.mode-switch:not(.router) button:nth-child(2) { color: var(--on-accent); }
.mode-switch.router button:nth-child(3) { color: var(--on-accent); }

.preset-btn {
  width: 100%; padding: 11px 13px; border-radius: 11px; margin-bottom: 8px;
  background: rgba(34,211,238,.06); border: 1px solid rgba(34,211,238,.22);
  color: var(--preset-text); font-size: 12.5px; font-weight: 600; font-family: var(--font);
  cursor: pointer; text-align: left; transition: background-color .28s, transform .28s var(--ease-out), box-shadow .28s;
  display: flex; align-items: center; gap: 10px;
}
.preset-btn:last-child { margin-bottom: 0; }
.preset-btn:hover { background: rgba(34,211,238,.12); transform: translateY(-1px); box-shadow: 0 6px 18px -6px rgba(34,211,238,.3); }
.preset-btn .p-ico {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(34,211,238,.12);
}
.preset-btn small { display: block; font-weight: 400; color: var(--text-faint); font-size: 11px; margin-top: 2px; }

.setting-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 0;
}
.setting-row .s-label { font-size: 12.5px; color: var(--text-dim); }
.setting-row .s-label small { display: block; font-size: 10.5px; color: var(--text-faint); margin-top: 2px; }

.sub-link-card {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 13px; border-radius: 11px;
  background: var(--input-bg-2); border: 1px solid var(--border);
  margin-bottom: 10px;
}
.sub-link-card code {
  font-family: var(--mono); font-size: 11px; color: var(--code-inline);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1;
}
.copy-btn {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; cursor: pointer;
  background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.25);
  color: var(--accent-text); display: grid; place-items: center; transition: color .25s, border-color .25s, background-color .25s, transform .25s;
}
.copy-btn:hover { background: rgba(34,211,238,.2); transform: translateY(-1px); }
.copy-btn.copied { background: rgba(52,211,153,.15); border-color: rgba(52,211,153,.4); color: var(--success); }

/* ============ 底部状态栏 ============ */
.statusbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  height: 38px; display: flex; align-items: center;
  padding: 0 24px; gap: 26px;
  background: var(--bar-bg);
  border-top: 1px solid rgba(148, 163, 184, 0.09);
  font-family: var(--mono); font-size: 11px; color: var(--text-faint);
}
.statusbar .sb-item { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.statusbar .sb-live { color: var(--success); }
.sb-spacer { flex: 1; }
.latency-live { color: var(--accent-text); }

/* ============ Toast ============ */
.toast-wrap { position: fixed; top: 78px; right: 26px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 11px;
  padding: 13px 18px; border-radius: 13px;
  background: var(--toast-bg);
  border: 1px solid rgba(52, 211, 153, 0.35);
  backdrop-filter: blur(14px);
  box-shadow: var(--toast-shadow);
  font-size: 13px; font-weight: 550;
  animation: toastIn .25s var(--ease-out) both;
  max-width: 360px;
}
.toast.out { animation: toastOut .25s var(--ease-out) both; }
.toast .t-ico {
  width: 24px; height: 24px; border-radius: 8px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(52,211,153,.15); color: var(--success);
}
.toast.info { border-color: rgba(34,211,238,.35); }
.toast.info .t-ico { background: rgba(34,211,238,.13); color: var(--accent); }
@keyframes toastIn { from { opacity: 0; transform: translateX(60px) scale(.94); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateX(60px) scale(.94); } }

/* ============ 响应式 ============ */
@media (max-width: 1180px) {
  .layout { grid-template-columns: 1fr; }
  .main-col { order: 1; }
  .settings-panel { order: 2; position: static; max-height: none; }
  .workspace-nav .wlabel { display: none; }
}
@media (max-width: 720px) {
  .method-cards { grid-template-columns: 1fr; }
  .sub-status .st-text { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============ V2 core controls ============ */
.wnav-item { appearance: none; font-family: var(--font); }
.wnav-item:focus-visible, .btn:focus-visible, .chip-btn:focus-visible, .pill:focus-visible,
.method-card:focus-visible, .login-tab:focus-visible, .preset-btn:focus-visible,
.copy-btn:focus-visible, .btn-icon:focus-visible, .avatar:focus-visible,
.user-dropdown button:focus-visible, .f-btn:focus-visible, .f-input:focus-visible,
.f-check input:focus-visible, .rule-del:focus-visible, .mode-switch button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.empty-state, .loading-state, .error-state {
  width: 100%; padding: 24px 14px; text-align: center; color: var(--text-faint);
  border: 1px dashed var(--border); border-radius: 12px; font-size: 12.5px; line-height: 1.7;
}
.error-state { color: var(--danger); border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.05); }
.node-toolbar { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-left:auto; }
.node-search { min-width:160px; max-width:240px; padding:8px 10px; border-radius:9px; background:var(--input-bg); border:1px solid var(--border); color:var(--text); font:12px var(--font); outline:none; }
.node-search:focus { border-color:rgba(34,211,238,.55); box-shadow:0 0 0 3px rgba(34,211,238,.1); }
.node-card[data-hidden="true"] { display:none; }
.node-actions { opacity:1; transform:none; flex-wrap:wrap; }
.node-card .node-meta { font-size:10.5px; color:var(--text-faint); margin-top:7px; min-height:16px; }
.schema-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 14px; }
.schema-grid .field { min-width:0; }
.schema-grid textarea, .schema-grid input, .schema-grid select { max-width:100%; }
.schema-field-hidden { display:none !important; }
.check-empty { display:block; color:var(--text-faint); text-align:center; padding:18px; font-size:12px; }
.validation-meta { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:8px; margin-top:16px; }
.validation-meta .meta-cell { padding:10px 12px; border:1px solid var(--border); border-radius:10px; background:rgba(148,163,184,.05); }
.validation-meta .meta-label { display:block; font-size:10px; color:var(--text-faint); margin-bottom:4px; }
.validation-meta .meta-value { font:700 14px var(--mono); color:var(--text); }
.node-form-panel { margin:0 0 18px; }
.node-form-head { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:14px; }
.node-form-head h3 { font-size:14px; }
.node-form-actions { display:flex; gap:8px; justify-content:flex-end; flex-wrap:wrap; margin-top:12px; }
.raw-editor { width:100%; min-height:280px; resize:vertical; padding:14px; border-radius:11px; background:var(--input-bg); border:1px solid var(--border); color:var(--textarea-text); font:12px/1.65 var(--mono); outline:none; }
.raw-editor:focus { border-color:rgba(34,211,238,.55); box-shadow:0 0 0 3px rgba(34,211,238,.1); }
.raw-help { font-size:11px; color:var(--text-faint); margin-top:7px; line-height:1.6; }
.phase2-empty { color:var(--text-faint); font-size:12px; line-height:1.7; padding:10px 0; }
.schema-note { color:var(--text-faint); font-size:11px; line-height:1.6; margin-top:8px; }
.publish-block { margin-top:18px; padding-top:16px; border-top:1px dashed var(--border); }
.publish-diff { display:none; margin-top:12px; max-height:220px; overflow:auto; white-space:pre-wrap; word-break:break-word; padding:12px; border-radius:10px; background:var(--code-bg); border:1px solid var(--border); color:var(--text-dim); font:11px/1.6 var(--mono); }
.publish-diff.show { display:block; }
.status-note { font-size:11.5px; color:var(--text-faint); line-height:1.6; }
.phase2-section { margin-top:16px; padding-top:14px; border-top:1px dashed var(--border); }
.phase2-section:first-child { margin-top:0; padding-top:0; border-top:0; }
.phase2-section-head { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px; }
.phase2-section-title { font-size:13px; font-weight:700; color:var(--text); }
.phase2-section-hint { font-size:10.5px; color:var(--text-faint); }
.target-editor, .ruleset-list, .admin-list { display:flex; flex-direction:column; gap:8px; }
.target-row, .ruleset-row, .admin-row { display:flex; align-items:center; gap:8px; min-width:0; padding:9px 10px; border:1px solid var(--border); border-radius:10px; background:rgba(148,163,184,.035); }
.target-row > span:first-child, .ruleset-row-main, .admin-row-main { min-width:0; flex:1; }
.target-name, .ruleset-name, .admin-name { color:var(--text); font-size:12px; font-weight:600; overflow-wrap:anywhere; }
.target-default, .ruleset-meta, .admin-meta { color:var(--text-faint); font-size:10.5px; line-height:1.5; overflow-wrap:anywhere; }
.target-row select { width:clamp(130px, 42%, 240px); min-width:0; }
.ruleset-row { align-items:flex-start; }
.ruleset-row-actions, .admin-row-actions { display:flex; gap:5px; flex-wrap:wrap; justify-content:flex-end; }
.ruleset-form, .admin-form { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 12px; }
.ruleset-form .field, .admin-form .field { min-width:0; }
.ruleset-form .field-wide, .admin-form .field-wide { grid-column:1 / -1; }
.ruleset-mode { display:flex; gap:7px; margin-bottom:10px; flex-wrap:wrap; }
.ruleset-mode button.active { color:var(--on-accent); background:var(--grad-main); border-color:transparent; }
.ruleset-actions, .admin-actions { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-top:10px; }
.ruleset-message, .admin-message { margin-top:9px; }
.admin-confirm { margin-top:8px; padding:10px; border:1px solid rgba(248,113,113,.35); border-radius:10px; background:rgba(248,113,113,.06); color:var(--text-dim); font-size:11px; }
.admin-result { margin-top:8px; padding:9px 10px; border-radius:9px; border:1px solid var(--border); background:var(--code-bg); color:var(--text-dim); font:11px/1.55 var(--mono); white-space:pre-wrap; word-break:break-word; }
.schema-group, #ruleList, .ruleset-list { contain: layout paint; }
.schema-group { margin:0 0 12px; padding:0; border:1px solid var(--border); border-radius:11px; overflow:hidden; }
.schema-group summary { cursor:pointer; list-style:none; padding:11px 13px; color:var(--text); font-size:12px; font-weight:700; background:rgba(148,163,184,.035); }
.schema-group summary::-webkit-details-marker { display:none; }
.schema-group summary::after { content:"⌄"; float:right; color:var(--text-faint); }
.schema-group[open] summary::after { content:"⌃"; }
.schema-group-grid { padding:0 13px 8px; }
.schema-group-grid .field { min-width:0; }
.ruleset-file { max-width:100%; color:var(--text-dim); font-size:11px; }
.chip-btn[disabled], .btn[disabled], .preset-btn[disabled], .mode-switch button[disabled] { cursor:not-allowed; opacity:.5; }
@media (max-width: 720px) {
  .schema-grid { grid-template-columns:1fr; }
  .ruleset-form, .admin-form { grid-template-columns:1fr; }
  .ruleset-form .field-wide, .admin-form .field-wide { grid-column:auto; }
  .node-toolbar { width:100%; margin-left:0; }
  .node-search { flex:1; max-width:none; min-width:0; }
  .node-actions { opacity:1; }
  .statusbar { gap:10px; padding:0 10px; overflow-x:auto; }
  .statusbar .sb-item:nth-child(n+2):nth-child(-n+4) { display:none; }
  .toast-wrap { left:10px; right:10px; top:72px; }
  .toast { max-width:none; }
}
@media (max-width: 390px) {
  .topbar { padding:0 10px; gap:8px; }
  .logo-text { display:none; }
  .workspace-nav { margin-left:0; gap:2px; }
  .wnav-item { padding:7px 8px; }
  .topbar-right { gap:6px; }
  .btn-icon, .avatar { width:30px; height:30px; }
  .layout { padding-left:10px; padding-right:10px; gap:10px; }
  .hero { padding-left:0; padding-right:0; }
  .hero h1 { font-size:25px; }
  .panel { padding:16px; border-radius:14px; }
  .stats { gap:8px; }
  .stat-card { padding:12px; }
  .stat-value { font-size:21px; }
  .step-banner { padding:20px 16px; }
  .method-card { padding:13px; }
  .paste-zone textarea { min-height:190px; padding:12px; }
  .btn-lg { padding:12px 16px; }
  .target-row, .ruleset-row, .admin-row { align-items:flex-start; flex-wrap:wrap; }
  .target-row select { width:100%; }
  .ruleset-row-actions, .admin-row-actions { width:100%; justify-content:flex-start; }
  .schema-group-grid { padding-left:10px; padding-right:10px; }
}

/* ============ 用户下拉菜单 ============ */
.user-wrap { position: relative; }
.user-dropdown {
  position: absolute; top: 40px; right: 0; min-width: 160px;
  background: var(--toast-bg); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--toast-shadow);
  padding: 6px; display: none; z-index: 300;
  flex-direction: column; gap: 2px;
}
.user-dropdown.open { display: flex; }
.user-dropdown .ud-name { font-size: 12px; color: var(--text-dim); padding: 6px 8px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.user-dropdown button {
  display: block; width: 100%; text-align: left; padding: 7px 8px; font-size: 13px;
  background: none; border: none; border-radius: 6px; color: var(--text); cursor: pointer;
}
.user-dropdown button:hover { background: rgba(8,145,178,.1); }
.user-dropdown button.danger { color: var(--danger); }
.user-dropdown button.danger:hover { background: rgba(220,38,38,.1); }

/* ============ 登录 / 注册 Overlay ============ */
body.login-overlay { overflow: hidden; }
/* 登录态不再对整页做 filter 模糊（整页重绘开销大），仅靠遮罩自身的轻量 blur；并暂停循环动画 */
body.login-overlay .layout, body.login-overlay header, body.login-overlay footer { pointer-events: none; }
body.login-overlay .logo-mark::before, body.login-overlay .dot::after { animation-play-state: paused; }
.login-overlay-wrap {
  position: fixed; inset: 0; z-index: 500; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(7, 11, 20, 0.55); backdrop-filter: blur(6px);
}
.login-overlay-wrap.active { display: flex; }
.login-card {
  width: 380px; max-width: 100%;
  background: var(--toast-bg); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--toast-shadow);
  padding: 28px 30px;
}
.login-brand { text-align: center; margin-bottom: 18px; }
.login-brand h2 { font-size: 20px; margin: 0 0 6px; }
.login-brand p { font-size: 12px; color: var(--text-faint); margin: 0; }
.login-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.login-tab {
  flex: 1; padding: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
  background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--text-dim);
}
.login-tab.active { background: var(--grad-main); color: var(--on-accent); border-color: transparent; }
.login-pane { display: none; }
.login-pane.active { display: block; }
.f-label { display: block; font-size: 12px; color: var(--text-dim); margin: 10px 0 4px; }
.f-input {
  width: 100%; padding: 9px 11px; font-size: 14px;
  background: var(--input-bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  outline: none; box-sizing: border-box;
}
.f-input:focus { border-color: var(--border-glow); }
.f-check { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); margin: 12px 0; cursor: pointer; }
.f-btn {
  width: 100%; padding: 10px; font-size: 14px; font-weight: 600; cursor: pointer;
  background: var(--grad-main); color: var(--on-accent); border: none; border-radius: 8px;
}
.f-btn:hover { opacity: .92; }

/* ============ 减少动态效果 ============ */
/* 系统开启“减少动态效果”时停用无限循环动画、入场动画与过渡，避免前庭不适。 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
  /* 同时去掉剩余的 backdrop-filter，改用不透明背景 */
  .topbar { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bar-bg); }
  .toast, .login-overlay-wrap { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .login-overlay-wrap { background: rgba(7, 11, 20, 0.8); }
}