/* =====================================================================
   Login — split screen (brand | form)
   ===================================================================== */
.auth-body{margin:0;min-height:100vh;background:#0d0f22}
.auth-wrap{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh}

/* ---- 1열 브랜드 ---- */
.auth-brand{position:relative;overflow:hidden;padding:56px 60px;color:#eef0ff;
  background:radial-gradient(120% 120% at 0% 0%,#1b1f45 0%,#12152b 45%,#0c0e20 100%);
  display:flex;flex-direction:column;justify-content:center}
.auth-brand__inner{position:relative;z-index:2;max-width:460px}
.auth-brand__glow{position:absolute;width:520px;height:520px;right:-160px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.55),rgba(99,102,241,.15) 55%,transparent 70%);
  filter:blur(10px);z-index:1}
.auth-brand__glow::after{content:"";position:absolute;width:360px;height:360px;left:-40px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.35),transparent 70%)}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:44px}
.auth-logo__mark{width:52px;height:52px;border-radius:15px;
  background:linear-gradient(135deg,#6366f1,#a855f7);display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:22px;letter-spacing:-1px;box-shadow:0 10px 30px rgba(99,102,241,.5)}
.auth-logo__type{font-weight:700;letter-spacing:.22em;font-size:13px;color:#c7cbf0}
.auth-brand__title{font-size:44px;line-height:1.08;letter-spacing:-.03em;font-weight:800;margin:0 0 18px;color:#fff}
.auth-brand__desc{color:#a5abd4;font-size:15px;line-height:1.7;margin:0 0 34px}
.auth-brand__funnel{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.auth-brand__funnel li{font-size:13px;color:#8f96c4;display:flex;align-items:center;gap:12px}
.auth-brand__funnel li span{flex:0 0 46px;font-weight:700;color:#fff;font-size:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:8px;
  padding:5px 0;text-align:center}
.auth-brand__foot{position:relative;z-index:2;margin-top:auto;padding-top:40px;color:#5a608c;font-size:12px}

/* ---- 2열 폼 ---- */
.auth-panel{background:#f7f8fc;display:flex;align-items:center;justify-content:center;padding:40px}
.auth-form{width:100%;max-width:380px}
.auth-form__title{font-size:26px;font-weight:800;letter-spacing:-.02em;color:#0f1220}
.auth-form__sub{color:#7a8099;margin:8px 0 26px;font-size:14px}
.auth-field{display:block;margin-bottom:16px}
.auth-field span{display:block;font-size:13px;font-weight:600;color:#3a4056;margin-bottom:7px}
.auth-field input{width:100%;padding:13px 15px;border:1px solid #dfe2ee;border-radius:12px;font-size:15px;
  background:#fff;outline:0;transition:.15s;color:#0f1220}
.auth-field input:focus{border-color:#6366f1;box-shadow:0 0 0 4px rgba(99,102,241,.15)}
.auth-submit{width:100%;margin-top:8px;padding:14px;border:0;border-radius:12px;color:#fff;font-size:15px;font-weight:700;
  background:linear-gradient(135deg,#6366f1,#7c3aed);box-shadow:0 12px 28px rgba(99,102,241,.4);transition:.15s}
.auth-submit:hover{filter:brightness(1.06);transform:translateY(-1px)}
.auth-submit:active{transform:translateY(0)}
.auth-alert{background:#fdecec;border:1px solid #f7c7c7;color:#c0342d;padding:11px 14px;border-radius:11px;
  font-size:13px;font-weight:500;margin-bottom:18px}
.auth-form__note{margin-top:26px;color:#9aa0b6;font-size:12.5px;text-align:center}

@media (max-width:900px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-brand{padding:40px 32px;min-height:auto}
  .auth-brand__title{font-size:34px}
  .auth-brand__funnel{display:none}
  .auth-brand__foot{display:none}
  .auth-panel{padding:36px 24px}
}