.ir-toast-stack {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 380px;
}
.ir-toast {
    background: #0f172a;
    color: #fff;
    padding: 14px 18px 14px 48px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2), 0 4px 10px rgba(0,0,0,0.1);
    font-size: 0.9rem;
    line-height: 1.4;
    font-weight: 500;
    pointer-events: auto;
    position: relative;
    animation: irToastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 4px solid #0b3f7a;
}
.ir-toast.ir-toast-out { animation: irToastOut 0.2s forwards; }
.ir-toast::before {
    font-family: "Font Awesome 6 Pro", "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 18px;
    top: 15px;
    font-size: 1.1rem;
}
.ir-toast.success { border-left-color: #16a34a; }
.ir-toast.success::before { content: '\f00c'; color: #16a34a; } /* check */
.ir-toast.error   { border-left-color: #dc2626; }
.ir-toast.error::before   { content: '\f06a'; color: #f87171; } /* circle-exclamation */
.ir-toast.warning { border-left-color: #d97706; }
.ir-toast.warning::before { content: '\f071'; color: #fbbf24; } /* triangle-exclamation */
.ir-toast.info    { border-left-color: #0b3f7a; }
.ir-toast.info::before    { content: '\f05a'; color: #60a5fa; } /* circle-info */
.ir-toast-close {
    background: none;
    border: none;
    color: #94a3b8;
    position: absolute;
    top: 6px;
    right: 8px;
    cursor: pointer;
    padding: 4px 6px;
    font-size: 0.78rem;
}
.ir-toast-close:hover { color: #fff; }
.ir-toast strong { font-weight: 700; color: #fff; }

@keyframes irToastIn {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes irToastOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(40px); }
}
@media (prefers-reduced-motion: reduce) {
    .ir-toast { animation: none; }
    .ir-toast.ir-toast-out { animation: none; opacity: 0; }
}
@media (max-width: 500px) {
    .ir-toast-stack { top: 10px; left: 10px; right: 10px; max-width: none; }
}