.flash{margin:10px 0;padding:.75rem 1rem;border-radius:10px;border:1px solid rgba(255,255,255,.2);
background: rgba(0,0,0,.35); color:#fff; display:block}
.flash__inner{display:flex;gap:.6rem;align-items:center;line-height:1.35}
.flash__label{font-weight:700;opacity:.9}
/* Variant accent via left border */
.flash--success{ box-shadow: inset 6px 0 0 0 #22c55e, 0 0 18px rgba(34,197,94,.35), 0 6px 28px -8px rgba(34,197,94,.25); }
.flash--info{ box-shadow: inset 6px 0 0 0 #38bdf8, 0 0 18px rgba(56,189,248,.35), 0 6px 28px -8px rgba(56,189,248,.25); }
.flash--warning{ box-shadow: inset 6px 0 0 0 #f59e0b, 0 0 18px rgba(245,158,11,.35), 0 6px 28px -8px rgba(245,158,11,.25); }
.flash--error{ box-shadow: inset 6px 0 0 0 #ef4444, 0 0 18px rgba(239,68,68,.35), 0 6px 28px -8px rgba(239,68,68,.25); }