/* app.css source lines: 328-361 — login screen (Mineral, slice V1) */
/* ── LOGIN SCREEN ────────────────────────────────── */
.login-overlay{position:fixed;inset:0;z-index:9998;background:var(--bg-solid);display:none;align-items:center;justify-content:center;padding:20px}
.login-overlay.show{display:flex;animation:fadeUp .3s ease both}
.login-card{background:var(--surf);border:1px solid var(--bord);border-radius:var(--r-card);width:100%;max-width:860px;min-height:500px;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.login-panel-left{background:var(--bg-solid);padding:48px 44px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-panel-left::after{content:'';position:absolute;bottom:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 65%);pointer-events:none}
.login-panel-right{padding:52px 44px;display:flex;flex-direction:column;justify-content:center}
@media(max-width:640px){
  .login-overlay{align-items:flex-start;overflow-y:auto;padding:16px}
  .login-card{grid-template-columns:1fr;min-height:auto;border-radius:var(--r-card);margin:auto}
  .login-panel-left{display:none}
  .login-panel-right{padding:36px 28px}
}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.login-logo{display:flex;align-items:center;flex-shrink:0}
.login-brand-name{font-size:17px;font-weight:700;color:var(--tx);letter-spacing:-.02em}
.login-brand-sub{font-size:var(--fs-12);color:var(--mt);margin-top:2px}
.login-divider{height:1px;background:var(--bord2);margin:0 0 24px}
.login-heading{font-size:16px;font-weight:700;color:var(--tx);margin-bottom:4px;letter-spacing:-.02em}
.login-sub{font-size:12px;color:var(--mt);margin-bottom:22px;line-height:1.55}
.login-footer{font-size:var(--fs-12);color:var(--mt);text-align:center;margin-top:20px}
.login-footer a{color:var(--link-strong);text-decoration:none}
.login-back{font-size:var(--fs-12);color:var(--link-strong);cursor:pointer;text-decoration:underline;background:none;border:none;padding:0;font-family:var(--font);margin-top:14px;display:block;text-align:center}
.login-state-icon{font-size:36px;margin-bottom:12px}
.login-highlight{font-weight:700;color:var(--tx)}
/* Loading dots */
.login-dots{display:flex;gap:6px;justify-content:center;margin:16px 0}
.login-dots span{width:7px;height:7px;border-radius:50%;background:var(--copper);animation:dotPulse 1.2s ease-in-out infinite}
.login-dots span:nth-child(2){animation-delay:.2s}
.login-dots span:nth-child(3){animation-delay:.4s}
@keyframes dotPulse{0%,80%,100%{opacity:.2;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}

/* ── DS field treatment (.af) for auth inputs ───────
   base.css only styles input[type=text|date]; email/password were bare
   browser defaults until this slice. */
.login-card input[type=email],.login-card input[type=password]{
  width:100%;height:34px;padding:0 11px;border:1px solid var(--bord2);
  border-radius:var(--r-xs);font-size:13px;font-family:var(--font);
  color:var(--tx);background:var(--surf2);transition:border-color .15s;
}
.login-card input[type=email]::placeholder,.login-card input[type=password]::placeholder{color:var(--mt)}
.login-card input[type=email]:focus,.login-card input[type=password]:focus{
  outline:none;border-color:var(--copper);box-shadow:0 0 0 3px var(--copper-dim);
}

/* ── Login CTA (DS .lbtn: full-width 42px primary) ──
   Color/hover/active come from base .btn-primary (solid var(--copper),
   adoption-kit version); this layer adds the DS .lbtn geometry + disabled. */
.lbtn{width:100%;height:42px;justify-content:center;padding:0 14px;border-radius:var(--r-ctl);font-size:14px;font-weight:700}
.lbtn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}