/* ==== Auth pages (login) ==== */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-visual {
  position: relative;
  background: linear-gradient(160deg, var(--ink-950) 0%, var(--naira-700) 120%);
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--sp-8);
  color: #fff;
}
.auth-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(600px 400px at 20% 10%, rgba(231,177,10,.18), transparent 60%),
                     radial-gradient(500px 400px at 90% 90%, rgba(62,99,221,.25), transparent 60%);
}
.auth-visual__brand { position: relative; display: flex; align-items: center; gap: var(--sp-3); z-index: 1; }
.auth-visual__brand .mark { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.14); backdrop-filter: blur(6px); display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; }

.receipt-stack { position: relative; z-index: 1; }
.receipt-mini {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(14px);
  border-radius: var(--r-lg); padding: var(--sp-5);
  max-width: 320px;
  animation: float-y 6s ease-in-out infinite;
}
.receipt-mini .stamp { color: var(--gold-500); border-color: var(--gold-500); }
.receipt-mini .amt { font-family: var(--font-mono); font-size: var(--fs-2xl); font-weight: 700; margin: var(--sp-2) 0; }
.receipt-mini .row { display: flex; justify-content: space-between; font-size: 12.5px; padding: 6px 0; border-top: 1px dashed rgba(255,255,255,.18); opacity: .85; }

.auth-visual__quote { position: relative; z-index: 1; max-width: 420px; }
.auth-visual__quote p { color: rgba(255,255,255,.85); font-size: var(--fs-md); }
.auth-visual__quote .who { font-size: var(--fs-xs); color: rgba(255,255,255,.6); }

.auth-form-side { display: flex; align-items: center; justify-content: center; padding: var(--sp-6); background: var(--bg); }
.auth-form-card { width: 100%; max-width: 380px; }
.auth-form-card .top-brand { display: none; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.auth-form-card .top-brand .mark { width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, var(--naira-600), var(--naira-400)); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; font-size: 13px; }

.divider-row { display: flex; align-items: center; gap: var(--sp-3); margin: var(--sp-5) 0; color: var(--text-muted); font-size: var(--fs-xs); }
.divider-row::before, .divider-row::after { content: ""; height: 1px; background: var(--border-soft); flex: 1; }

.role-demo-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--sp-3); }
.role-demo-row button { font-size: 11px; padding: 5px 10px; border-radius: var(--r-pill); background: var(--surface-2); border: 1px solid var(--border-soft); color: var(--text-secondary); }
.role-demo-row button:hover { background: var(--brand-soft); color: var(--brand-strong); }

@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .auth-form-card .top-brand { display: flex; }
}