*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html,body{height:100%}
    body{
      min-height:100dvh;
      background:#0a0a15;
      font-family:'Kanit',sans-serif;
      color:#f0f0f0;
      display:flex;flex-direction:column;
      align-items:center;
      overflow-y:auto;
    }
    body::before{
      content:'';position:fixed;inset:0;
      background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(212,168,67,.18) 0%,transparent 70%),
                 radial-gradient(ellipse 60% 40% at 80% 110%,rgba(99,102,241,.12) 0%,transparent 60%);
      pointer-events:none;z-index:0;
    }
    #toast{
      position:fixed;top:calc(16px + env(safe-area-inset-top,0));left:50%;
      transform:translateX(-50%);
      background:rgba(255,255,255,.15);backdrop-filter:blur(12px);
      color:#fff;padding:10px 24px;border-radius:24px;
      font-size:.82rem;opacity:0;pointer-events:none;z-index:999;
      transition:opacity .25s;white-space:nowrap;max-width:88vw;text-align:center;
      border:1px solid rgba(255,255,255,.12);
    }
    #toast.show{opacity:1}
    #loginWrap{
      position:relative;z-index:1;
      width:100%;max-width:420px;
      padding:calc(env(safe-area-inset-top,0) + 16px) 16px calc(env(safe-area-inset-bottom,0) + 16px);
    }
    .auth-card{
      background:rgba(255,255,255,.97);
      border-radius:24px;
      box-shadow:0 24px 64px rgba(0,0,0,.5);
      padding:36px 28px 28px;
    }
    .auth-logo{text-align:center;margin-bottom:24px}
    .auth-logo h1{
      font-size:1.25rem;font-weight:700;color:#b8862a;
      display:flex;align-items:center;justify-content:center;gap:6px;
    }
    .auth-logo p{color:#aaa;font-size:.78rem;margin-top:4px}
    .form-group{margin-bottom:14px}
    .form-group label{display:block;font-size:.8rem;font-weight:600;color:#555;margin-bottom:6px}
    .form-group input{
      width:100%;border:1.5px solid #e5e7eb;border-radius:12px;
      padding:12px 14px;font-size:.97rem;font-family:inherit;
      background:#f9fafb;color:#111;outline:none;
      transition:border-color .2s,box-shadow .2s;
    }
    .form-group input:focus{border-color:#d4a843;background:#fff;box-shadow:0 0 0 3px rgba(212,168,67,.15)}
    .err-msg{color:#dc2626;font-size:.73rem;margin-top:4px;min-height:16px}
    .pw-wrap{position:relative;display:flex;align-items:center}
    .pw-wrap input{flex:1;padding-right:44px}
    .btn-toggle-pw{
      position:absolute;right:12px;background:none;border:none;
      cursor:pointer;font-size:16px;opacity:.45;padding:0;transition:opacity .2s;
    }
    .btn-toggle-pw:hover{opacity:.85}
    .forgot-link{float:right;font-size:.73rem;color:#bbb;text-decoration:none}
    .forgot-link:hover{color:#d4a843}
    .btn-signin{
      width:100%;padding:14px;border:none;border-radius:14px;
      background:linear-gradient(135deg,#d4a843 0%,#a06a00 100%);
      color:#fff;font-size:1rem;font-weight:700;
      font-family:inherit;cursor:pointer;margin-top:8px;
      transition:transform .12s,box-shadow .15s,opacity .15s;
      box-shadow:0 6px 20px rgba(212,168,67,.38);letter-spacing:.2px;
    }
    .btn-signin:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(212,168,67,.48)}
    .btn-signin:active{transform:scale(.97)}
    .btn-signin:disabled{opacity:.5;cursor:not-allowed;transform:none}
    .auth-footer{text-align:center;margin-top:18px;font-size:.77rem;color:#aaa;line-height:1.8}
    .auth-footer a{color:#d4a843;font-weight:600;text-decoration:none}
    .auth-footer a:hover{text-decoration:underline}
    #inappBanner{
      position:fixed;top:0;left:0;right:0;z-index:900;
      background:linear-gradient(135deg,#92400e,#78350f);
      color:#fef3c7;font-size:.82rem;text-align:center;
      padding:calc(env(safe-area-inset-top,0) + 12px) 16px 12px;
      line-height:1.55;display:none;border-bottom:1px solid rgba(255,200,0,.25);
      box-shadow:0 4px 20px rgba(0,0,0,.4);
    }
    #inappBanner.show{display:block}
    #inappBanner b{color:#fde68a}
    #inappBanner a{
      display:inline-block;margin-top:8px;padding:6px 16px;
      background:#d4a843;color:#000;border-radius:20px;
      font-weight:700;font-size:.78rem;text-decoration:none;
    }
    /* ── Landing Page ── */
    .landing-hero{position:relative;z-index:1;text-align:center;padding:60px 20px 40px;max-width:640px;width:100%}
    .landing-hero h2{font-size:clamp(1.6rem,5vw,2.4rem);font-weight:700;line-height:1.3;margin-bottom:12px}
    .landing-hero h2 .gold{color:#d4a843}
    .landing-hero p{font-size:1rem;color:#aaa;line-height:1.7;margin-bottom:24px}
    .landing-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
    .landing-cta a{display:inline-flex;align-items:center;gap:6px;padding:14px 28px;border-radius:14px;font-weight:700;font-size:.95rem;text-decoration:none;transition:transform .12s,box-shadow .15s}
    .landing-cta .btn-gold{background:linear-gradient(135deg,#d4a843,#a06a00);color:#fff;box-shadow:0 6px 20px rgba(212,168,67,.38)}
    .landing-cta .btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(212,168,67,.48)}
    .landing-cta .btn-outline{border:2px solid rgba(255,255,255,.25);color:#e5e5e5;background:transparent}
    .landing-cta .btn-outline:hover{border-color:#d4a843;color:#d4a843}
    .landing-features{position:relative;z-index:1;width:100%;max-width:800px;padding:0 20px 40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
    .feature-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px;text-align:center;transition:transform .15s,border-color .15s}
    .feature-card:hover{transform:translateY(-3px);border-color:rgba(212,168,67,.4)}
    .feature-card .icon{font-size:2rem;margin-bottom:8px}
    .feature-card h3{font-size:.95rem;font-weight:600;color:#f0f0f0;margin-bottom:4px}
    .feature-card p{font-size:.78rem;color:#999;line-height:1.5}
    .landing-proof{position:relative;z-index:1;text-align:center;padding:0 20px 40px;font-size:.9rem;color:#888}
    .landing-proof strong{color:#d4a843}
    .landing-divider{position:relative;z-index:1;width:60px;height:2px;background:linear-gradient(90deg,transparent,#d4a843,transparent);margin:0 auto 32px}