:root { --mmc-soft-bg: #f5f7fb; }
body { background: var(--mmc-soft-bg); }
.auth-bg { min-height: 100vh; background: radial-gradient(circle at top, #ffffff 0, #f5f7fb 45%, #e9eef7 100%); }
.card { border-radius: 1rem; }
.btn { border-radius: .75rem; }
.form-control, .form-select { border-radius: .75rem; }
.placeholder-tile { border: 1px dashed #b8c0cc; border-radius: 1rem; padding: 1.25rem; text-align: center; color: #6c757d; background: #fafbfc; font-weight: 600; }
.navbar-brand { letter-spacing: .2px; }