.np-auth-body{margin:0;background:var(--np-surface)}
.auth-shell{display:flex;min-height:100vh}

/* ---- Left: brand / feature panel ---- */
.auth-visual{
  flex:0 0 45%;position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 700px at -10% -10%, color-mix(in srgb, var(--np-dark) 80%, #2a3442) 0%, var(--np-dark) 55%),
             linear-gradient(160deg, var(--np-dark) 0%, color-mix(in srgb, var(--np-dark) 85%, #000) 100%);
  display:flex;flex-direction:column;padding:56px 58px;
}
.auth-visual::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(650px 500px at 20% 15%, #000 0%, transparent 75%);
}
.auth-visual::after{
  content:"";position:absolute;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle, color-mix(in srgb, var(--np-accent) 45%, transparent) 0%, transparent 70%);
  right:-170px;bottom:-190px;pointer-events:none;
}
.auth-visual-inner{position:relative;z-index:1;display:flex;flex-direction:column;height:100%}
.auth-brand{display:inline-flex;align-items:center;margin-bottom:auto}
.auth-brand img{max-height:36px;max-width:200px;object-fit:contain}
.auth-brand-text{font-family:var(--np-font-heading);font-weight:900;font-size:1.5rem;letter-spacing:-.5px;color:#fff}
.auth-brand-text span{color:var(--np-accent)}
.auth-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:color-mix(in srgb, var(--np-accent) 16%, transparent);
  border:1px solid color-mix(in srgb, var(--np-accent) 40%, transparent);
  color:color-mix(in srgb, var(--np-accent) 55%, #fff);
  font-size:.76rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;width:fit-content;margin:32px 0 22px;
}
.auth-headline{font-family:var(--np-font-heading);font-size:2.4rem;font-weight:900;letter-spacing:-1.1px;line-height:1.1;margin:0 0 14px}
.auth-sub{color:#aab3bf;font-size:1rem;line-height:1.55;max-width:420px;margin:0 0 36px}
.auth-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:auto}
.auth-feature{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px}
.auth-feature i{
  width:34px;height:34px;border-radius:9px;
  background:color-mix(in srgb, var(--np-accent) 18%, transparent);color:var(--np-accent);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.auth-feature strong{display:block;font-size:.87rem;font-weight:700;margin-bottom:3px}
.auth-feature span{display:block;font-size:.78rem;color:#8a93a0;line-height:1.4}
.auth-footnote{color:#5b6472;font-size:.78rem;margin-top:40px}

/* ---- Right: form panel ---- */
.auth-form-panel{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px;position:relative}
.auth-form-inner{width:100%;max-width:400px}
.auth-topbar{position:absolute;top:24px;right:28px;display:flex;align-items:center;gap:14px}
.auth-topbar a, .auth-mode-toggle{
  color:var(--np-muted, #6b7482);font-size:.85rem;text-decoration:none;background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;
}
.auth-topbar a:hover, .auth-mode-toggle:hover{color:var(--np-accent)}
.auth-form-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:color-mix(in srgb, var(--np-accent) 10%, transparent);color:var(--np-accent);
  font-size:.76rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.auth-form-title{font-family:var(--np-font-heading);font-size:1.65rem;font-weight:900;letter-spacing:-.5px;color:var(--np-text);margin:0 0 8px}
.auth-form-sub{color:var(--np-muted, #6b7482);font-size:.92rem;margin:0 0 26px}
.auth-label{font-size:.8rem;font-weight:700;color:var(--np-text);margin-bottom:6px;display:block}
.auth-field{position:relative;margin-bottom:16px}
.auth-field i.auth-field-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#a3abb8;font-size:.9rem}
.auth-field input{
  width:100%;background:var(--np-bg);border:1.5px solid var(--np-border);border-radius:10px;
  padding:12px 14px 12px 40px;font-size:.94rem;color:var(--np-text);font-family:var(--np-font-body);
  transition:border-color .15s,background-color .15s;
}
.auth-field input:focus{outline:none;border-color:var(--np-accent);background:var(--np-surface);box-shadow:0 0 0 4px color-mix(in srgb, var(--np-accent) 10%, transparent)}
.auth-toggle-pw{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:#a3abb8;cursor:pointer;padding:4px}
.auth-toggle-pw:hover{color:var(--np-accent)}
.auth-row{display:flex;justify-content:flex-end;margin:-4px 0 20px}
.auth-row a{color:var(--np-muted, #6b7482);font-size:.84rem;text-decoration:none}
.auth-row a:hover{color:var(--np-accent)}
.auth-submit{
  width:100%;background:linear-gradient(135deg, var(--np-accent), color-mix(in srgb, var(--np-accent) 80%, #000));
  color:#fff;border:0;border-radius:10px;padding:13px;font-weight:700;font-size:.96rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;transition:filter .15s,transform .1s;
}
.auth-submit:hover{filter:brightness(1.08)}
.auth-submit:active{transform:scale(.99)}
.auth-foot-link{display:block;text-align:center;color:var(--np-muted, #6b7482);font-size:.88rem;margin-top:24px}
.auth-foot-link a{color:var(--np-accent);font-weight:700;text-decoration:none}

/* ---- Social login buttons ---- */
.auth-social{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.auth-social-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  padding:11px;border-radius:10px;font-weight:600;font-size:.9rem;text-decoration:none;
  border:1.5px solid var(--np-border);transition:filter .15s,transform .1s;
}
.auth-social-btn:hover{filter:brightness(.97)}
.auth-social-btn:active{transform:scale(.99)}
.auth-social-btn:focus-visible{outline:2px solid var(--np-accent);outline-offset:2px}
.auth-social-btn.auth-social-loading{pointer-events:none;opacity:.7}
.auth-social-btn.auth-social-loading .auth-social-spinner{display:inline-block}
.auth-social-spinner{display:none;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:auth-spin .6s linear infinite}
@keyframes auth-spin{to{transform:rotate(360deg)}}
.auth-social-btn svg{width:18px;height:18px;flex-shrink:0}

/* ---- Inline field validation ---- */
.auth-field-msg{font-size:.75rem;margin-top:6px;display:none;align-items:center;gap:5px}
.auth-field.auth-field-invalid input{border-color:#dc3545;background:var(--np-surface)}
.auth-field.auth-field-invalid .auth-field-msg-error{display:flex;color:#dc3545}
.auth-field.auth-field-valid input{border-color:#2e9e5b;background:var(--np-surface)}
.auth-field.auth-field-valid .auth-field-msg-success{display:flex;color:#2e9e5b}
.auth-field.auth-field-checking .auth-field-msg-checking{display:flex;color:var(--np-muted, #6b7482)}

/* ---- Password strength meter ---- */
.auth-strength{margin:-10px 0 18px}
.auth-strength-bar{height:5px;border-radius:3px;background:var(--np-border);overflow:hidden;margin-bottom:5px;display:flex;gap:3px}
.auth-strength-seg{flex:1;height:100%;border-radius:3px;background:var(--np-border);transition:background-color .2s ease}
.auth-strength-label{font-size:.76rem;color:var(--np-muted, #6b7482)}
.auth-social-google{background:var(--np-surface);color:var(--np-text)}
.auth-social-facebook{background:#1877f2;color:#fff;border-color:#1877f2}
.auth-divider{display:flex;align-items:center;gap:12px;color:var(--np-muted, #6b7482);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;margin:0 0 20px}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--np-border)}

@media (max-width: 900px){ .auth-visual{display:none} .auth-form-panel{padding:70px 20px 32px} }