:root{
  --text:#e8ebf5; --muted:#b9c1d7;
  --glass:rgba(255,255,255,.10); --glass-hi:rgba(255,255,255,.16);
  --border:rgba(255,255,255,.22);
  --r-lg:22px; --r-md:16px; --shadow:0 10px 28px rgba(0,0,0,.45);
}
*{box-sizing:border-box} html,body{height:100%}
body{
  margin:0; color:var(--text); font:16px/1.45 Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1000px 700px at 10% 10%, #221856 0%, #0d1220 60%, #090d18 100%);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  padding-bottom:92px; /* space for tabbar */
}

/* blobs */
.blob{position:fixed; filter:blur(28px); opacity:.9; z-index:-2}
.b1{width:460px;height:460px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#7c5cff,#3b2bd1 58%,transparent 70%);top:-120px;left:-120px}
.b2{width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 70% 40%,#00d2ff,#1973ff 55%,transparent 72%);right:-140px;top:120px}
.b3{width:380px;height:380px;border-radius:50%;background:radial-gradient(circle at 40% 60%,#ff9ad6,#d633b0 55%,transparent 72%);bottom:-160px;left:18%}

/* glass */
.glass{background:var(--glass); -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px);
  border:1px solid var(--border); border-radius:var(--r-lg); box-shadow:var(--shadow);}
.glass-s{background:var(--glass-hi); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px); border:1px solid rgba(255,255,255,.18); border-radius:var(--r-md);}

/* header */
.top{width:min(1050px,calc(100% - 24px)); margin:12px auto 10px; padding:10px 12px; display:flex; align-items:center; justify-content:space-between}
.brand{display:flex;gap:10px;align-items:center}
.brand .emoji{font-size:20px}
.brand h1{margin:0;font-size:18px}
.icon{border:0;background:transparent;color:var(--text);font-size:18px;width:40px;height:40px;border-radius:12px;cursor:pointer}
.icon:hover{background:rgba(255,255,255,.08)}

/* hero banner */
.hero{width:min(1050px,calc(100% - 24px)); margin:6px auto}
.banner{width:100%;display:block;border-radius:18px}

/* grid of six tiles */
.grid6{width:min(1050px,calc(100% - 24px)); margin:12px auto; display:grid; gap:14px;
  grid-template-columns:repeat(2,1fr);}
.tile{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;
  padding:18px;text-decoration:none;color:var(--text);min-height:88px}
.t-emoji{font-size:20px;opacity:.95}
.t-title{font-weight:700;font-size:16px}
.t-sub{color:var(--muted);font-size:13px}
@media(min-width:880px){ .grid6{grid-template-columns:repeat(3,1fr);} }

/* generic pages */
.page{display:none}
.page.default{display:block}
.page:target{display:block}
.panel{width:min(1050px,calc(100% - 24px)); margin:12px auto; padding:14px; display:grid; gap:12px}
h2{margin:2px 0 6px;font-size:18px}
.field{display:grid;gap:6px}
.field span{color:var(--muted);font-size:13px}
.field input,.field select{padding:12px;border-radius:12px;border:0;outline:0;color:var(--text);background:rgba(255,255,255,.10)}
.row2{display:grid;gap:10px}
@media(min-width:720px){.row2{grid-template-columns:1fr 1fr}}
.cta{border:0;border-radius:14px;padding:12px 14px;font-weight:700;color:#0d1220;cursor:pointer;
  background:linear-gradient(135deg,#a78bfa,#22d3ee); box-shadow:0 12px 28px rgba(34,211,238,.22),0 10px 26px rgba(124,58,237,.22)}
.list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.row{display:flex;align-items:center;justify-content:space-between;padding:12px}
.switch{position:relative;display:inline-flex;align-items:center}
.switch input{display:none}
.switch i{width:46px;height:26px;border-radius:18px;background:rgba(255,255,255,.20);border:1px solid rgba(255,255,255,.24);position:relative;transition:.2s}
.switch i:after{content:"";position:absolute;top:50%;left:4px;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 4px 10px rgba(0,0,0,.3);transition:left .2s}
.switch input:checked + i{background:linear-gradient(90deg,#8b5cf6,#22d3ee)}
.switch input:checked + i:after{left:22px}

/* bottom tabs */
.tabs{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;width:min(540px,calc(100% - 24px));
  padding:8px;display:flex;justify-content:space-between}
.tabs a{width:42px;height:36px;border-radius:12px;display:grid;place-items:center;color:var(--text);text-decoration:none}
.tabs a:hover{background:rgba(255,255,255,.10)}

/* light mode */
body.light{
  --text:#0d1220; --muted:#5c667f; --glass:rgba(255,255,255,.65); --glass-hi:rgba(255,255,255,.78);
  --border:rgba(0,0,0,.08);
  background:radial-gradient(1000px 700px at 12% 10%, #eef0ff 0%, #f7f8fb 60%, #eef2f9 100%);
}