/* ============================================================
   Nova Tokens LIGHT v2 — nebula crystal/ocean 真移植（D1:A）
   大气层背景 + 玻璃卡片 + 渐变CTA + 发丝线 + 4px焦点环
   ============================================================ */
:root{
  --bg-base:#edf6ff; --bg-surface:#ffffff; --bg-elevated:#ffffff;
  --glass:rgba(255,255,255,.78);
  --text-1:#102b60; --text-2:#44618f; --text-3:#6e84aa;
  --line:rgba(166,197,239,.52);
  --brand:#3778ff; --brand-2:#7964f7;
  --cta:linear-gradient(112deg,#2f91ff 0%,#4f71ff 53%,#9669f5 100%);
  --danger:#ef4444; --warn:#f59e0b; --ok:#20bda0;
  --accent-docs:#3778ff; --accent-data:#7964f7; --accent-flow:#20bda0; --accent-mind:#e99b75;
  --paper:#F7F9FD; --paper-ink:#142e65;
  --shadow-card:0 18px 46px rgba(43,83,150,.10);
  --glow-brand:0 10px 25px rgba(63,110,245,.24);
}
html{color-scheme:light}
::selection{background:rgba(55,120,255,.16)}
::-webkit-scrollbar-thumb{background:#c3d4ee;border-radius:999px;border:3px solid transparent;background-clip:content-box}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(76,133,255,.55);outline-offset:3px}

/* 大气层：海洋洗固定背景（蓝晕+桃晕+纵向渐变） */
body{background-color:#edf6ff;background-image:radial-gradient(ellipse at 8% 0%,rgba(129,190,255,.20),transparent 31%),radial-gradient(ellipse at 92% 2%,rgba(255,199,181,.18),transparent 26%),linear-gradient(180deg,#f3f8ff 0%,#eef6ff 58%,#f9fbff 100%);background-attachment:fixed}

/* 高级控件：nebula 原值 */
.btn{background:linear-gradient(150deg,rgba(255,255,255,.96),rgba(241,247,255,.86));box-shadow:0 5px 16px rgba(42,87,162,.05),inset 0 1px #fff}
.btn--cta{border:1px solid rgba(255,255,255,.66);box-shadow:0 10px 25px rgba(63,110,245,.24),inset 0 1px 0 rgba(255,255,255,.52)}
.btn--cta:hover{box-shadow:0 15px 34px rgba(63,110,245,.30),inset 0 1px 0 rgba(255,255,255,.68);filter:saturate(1.08) brightness(1.02)}
input:focus,textarea:focus,select:focus{border-color:#8eb1ff;box-shadow:0 0 0 4px rgba(73,129,255,.12)}
.card{border-color:rgba(196,215,244,.78);background:rgba(255,255,255,.83);backdrop-filter:blur(14px)}

/* 顶栏蓝→桃渐变发丝线 */
.topbar{position:relative;backdrop-filter:blur(14px)}
.topbar::after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(112,149,235,.34),rgba(244,186,160,.32),transparent);pointer-events:none}

/* —— 暗色 rgba 矫正（自 v1）—— */
.nav a:hover{background:rgba(16,43,96,.05)}
.cmdk-btn:hover{border-color:rgba(55,120,255,.4)}
.btn--ghost:hover{border-color:rgba(16,43,96,.18)}
.station::before{background:linear-gradient(90deg,transparent,rgba(55,120,255,.14),transparent)}
.tag{background:rgba(16,43,96,.03)}
.trust{background:rgba(55,120,255,.03)}
.cmdk-overlay,.pv-overlay{background:rgba(16,43,96,.35)}
.cmdk,.pv{border:1px solid var(--line);box-shadow:0 24px 64px -12px rgba(23,52,105,.25)}
.cmdk__item[data-selected="true"]{background:rgba(55,120,255,.10)}

/* mind 工作台水晶升级 */
.mind-col{background:rgba(255,255,255,.83);border-color:rgba(196,215,244,.78);box-shadow:0 10px 28px rgba(43,79,145,.055),inset 0 1px rgba(255,255,255,.97);backdrop-filter:blur(14px)}
.mbtn{background:linear-gradient(150deg,rgba(255,255,255,.96),rgba(241,247,255,.86));border-color:rgba(177,201,240,.72);box-shadow:0 5px 16px rgba(42,87,162,.05),inset 0 1px #fff}
.mbtn:hover{border-color:#9db9f4;box-shadow:0 10px 22px rgba(53,103,190,.12),inset 0 1px #fff}
.mind-ta{background:rgba(255,255,255,.92);border:1px solid #d8e5f8;box-shadow:inset 0 1px 2px rgba(29,65,126,.025)}
.mind-ta:focus{border-color:#8eb1ff;box-shadow:0 0 0 4px rgba(73,129,255,.12)}
.mind-wrap{background:linear-gradient(180deg,#fbfdff,#f5f9ff);border-color:rgba(196,215,244,.78);box-shadow:inset 0 1px 2px rgba(29,65,126,.04)}