:root{
  --bg1:#eef3ff; --bg2:#f6eefb; --bg3:#eafaf3;
  --ink:#2a2f45; --ink-soft:#6b7190; --line:#e6e8f2;
  --brand:#6b7cff; --brand-deep:#5566e6; --brand-soft:#eef0ff;
  --danger:#e5544b; --danger-soft:#fdeceb; --ok:#34b17a; --ok-soft:#eafaf1;
  --warn:#c78a1e; --warn-soft:#fff6e5;
  --shadow:0 10px 30px rgba(70,80,140,.10); --radius:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(1200px 600px at 12% -8%, var(--bg1), transparent 60%),
    radial-gradient(1000px 700px at 108% 10%, var(--bg2), transparent 55%),
    radial-gradient(900px 600px at 50% 120%, var(--bg3), transparent 55%), #fbfcff;}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:var(--ink);}
a{color:var(--brand-deep);}
.muted{color:var(--ink-soft);}
.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:600;font-size:14px;transition:.15s;}
.btn.primary{background:linear-gradient(135deg,var(--brand),#8a7cff);color:#fff;box-shadow:0 6px 16px rgba(107,124,255,.35);}
.btn.primary:hover{filter:brightness(1.05);}
.btn.ghost{background:#eef0f8;color:var(--ink);}
.btn.danger{background:var(--danger-soft);color:var(--danger);}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:9px;}
.btn:disabled{opacity:.55;cursor:not-allowed;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#fbfcff;font-size:14px;}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:#c3caff;background:#fff;}
.field .hint{font-size:12px;color:var(--ink-soft);margin-top:5px;line-height:1.5;}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);}
.badge{display:inline-block;font-size:11.5px;padding:3px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);}
.badge.ok{background:var(--ok-soft);color:#1f7a52;}
.badge.warn{background:var(--warn-soft);color:var(--warn);}
.badge.danger{background:var(--danger-soft);color:var(--danger);}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:#2a2f45;color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);transition:.25s;z-index:100;pointer-events:none;max-width:88vw;}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0);}