body { overflow-x: hidden; }
    .auth-scene {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 520px;
    }

    /* ── LEFT ── */
    .auth-left {
      position: relative;
      display: flex; flex-direction: column;
      justify-content: center; padding: 64px;
      overflow: hidden;
      background:
        radial-gradient(ellipse 70% 60% at 20% 30%, rgba(200,148,42,.08) 0%, transparent 65%),
        radial-gradient(ellipse 50% 50% at 80% 70%, rgba(76,187,122,.04) 0%, transparent 55%),
        var(--bg0);
    }
    .auth-left::before {
      content: ''; position: absolute; inset: 0;
      background-image: repeating-linear-gradient(
        -60deg, transparent 0, transparent 38px,
        rgba(200,148,42,.016) 38px, rgba(200,148,42,.016) 39px
      );
      pointer-events: none;
    }
    .auth-left-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
    .auth-left-content   { position: relative; z-index: 2; }

    .auth-left-logo {
      position: absolute; top: 44px; left: 64px; z-index: 3;
      display: flex; align-items: center; gap: 13px;
      font-family: 'Cinzel', serif; font-size: 1.1rem; font-weight: 700;
      color: var(--gold); letter-spacing: .06em; text-decoration: none;
    }
    .auth-left-logo-icon {
      width: 44px; height: 44px; border-radius: 11px;
      background: linear-gradient(145deg, var(--gold-bright), var(--gold), var(--gold-dim));
      display: flex; align-items: center; justify-content: center;
      font-size: 1.4rem; font-weight: 900; color: #0a0500; font-family: 'Cinzel', serif;
      box-shadow: 0 0 24px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,.35);
    }

    .auth-tagline {
      font-family: 'Cinzel Decorative', 'Cinzel', serif;
      font-size: clamp(1.7rem, 2.8vw, 2.5rem);
      font-weight: 700; color: var(--text-bright); line-height: 1.18;
      margin-bottom: 14px;
    }
    .auth-tagline .gold {
      background: linear-gradient(135deg, var(--gold-bright), var(--gold));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .auth-tagdesc {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: 1.05rem; font-style: italic;
      color: var(--text-muted); line-height: 1.75;
      max-width: 420px; margin-bottom: 40px;
    }

    .perks-list { display: flex; flex-direction: column; gap: 20px; }
    .perk-item  { display: flex; align-items: flex-start; gap: 16px; }
    .perk-icon  {
      width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
      background: rgba(200,148,42,.08);
      border: 1px solid rgba(200,148,42,.2);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.4rem;
      transition: all .3s ease;
    }
    .perk-item:hover .perk-icon { background: rgba(200,148,42,.14); transform: scale(1.08); }
    .perk-title { font-family: 'Cinzel', serif; font-size: .86rem; font-weight: 700; color: var(--text-bright); margin-bottom: 4px; }
    .perk-desc  { font-size: .8rem; color: var(--text-muted); line-height: 1.6; }

    /* ── RIGHT ── */
    .auth-right {
      background: var(--bg0);
      border-left: 1px solid rgba(200,148,42,.14);
      display: flex; align-items: center; justify-content: center;
      padding: 80px 52px 56px;
      position: relative; overflow-y: auto;
    }
    .auth-right::before {
      content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 1px;
      background: linear-gradient(180deg, transparent 5%, rgba(200,148,42,.35) 30%, rgba(200,148,42,.35) 70%, transparent 95%);
    }
    .auth-right-inner { width: 100%; max-width: 400px; }

    .auth-form-title { font-family: 'Cinzel', serif; font-size: 1.6rem; font-weight: 700; color: var(--text-bright); margin-bottom: 4px; }
    .auth-form-sub   { font-size: .86rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 28px; }

    .btn-social {
      display: flex; align-items: center; justify-content: center; gap: 11px;
      width: 100%; padding: 12px 18px; margin-bottom: 10px;
      border-radius: var(--radius); font-size: .84rem; font-weight: 600;
      background: var(--bg2); border: 1px solid var(--bg5);
      color: var(--text-muted); cursor: pointer; transition: all .2s ease;
    }
    .btn-social:hover { border-color: var(--gold-border); color: var(--text-bright); background: var(--bg3); transform: translateY(-1px); }
    .btn-social .social-icon { font-size: 1.1rem; }

    .auth-divider { display: flex; align-items: center; gap: 14px; margin: 20px 0; }
    .auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--bg5); }
    .auth-divider span { font-size: .7rem; color: var(--text-dim); white-space: nowrap; letter-spacing: .09em; }

    .auth-submit-btn { width: 100%; justify-content: center; font-size: .88rem; padding: 14px 24px; letter-spacing: .04em; }

    .auth-footer-link { text-align: center; margin-top: 20px; font-size: .83rem; color: var(--text-dim); }
    .auth-footer-link a { color: var(--gold); font-weight: 600; }
    .auth-footer-link a:hover { text-decoration: underline; }

    .auth-security {
      display: flex; align-items: center; gap: 9px;
      margin-top: 24px; padding-top: 20px;
      border-top: 1px solid var(--bg3);
      font-size: .73rem; color: var(--text-dim); line-height: 1.5;
    }
    .auth-security-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); flex-shrink: 0; }

    @media (max-width: 960px) {
      .auth-scene  { grid-template-columns: 1fr; }
      .auth-left   { display: none; }
      .auth-right  { padding: 48px 28px; border-left: none; min-height: 100vh; overflow-y: visible; }
    }