#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10001;
    pointer-events: none;
}

.system-toast {
    min-width: 260px;
    max-width: 320px;
    padding: 12px;
    background: var(--k-accent-red);
    color: var(--k-white);
    font-family: var(--font-ui);
    font-size: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 2px solid;
    border-color: var(--k-white) var(--k-black) var(--k-black) var(--k-white);
    box-shadow: 4px 4px 0 var(--k-shadow-soft);
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
}

.toast-icon {
    background: var(--k-white);
    color: var(--k-accent-red);
    font-weight: bold;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--k-black);
    flex-shrink: 0;
    box-shadow: inset 1px 1px 0px var(--k-shadow-soft);
}

.toast-title {
    display: block;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.system-toast span {
    display: block;
    line-height: 1.4;
}

@keyframes slideIn {
    from { transform: translateX(110%); }
    to { transform: translateX(0); }
}

.system-toast.fade-out {
    opacity: 0;
    transform: translateX(110%);
    transition: all 0.5s ease-in;
}

@media (max-width: 768px) {
    #notification-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }

    .system-toast {
        min-width: auto;
        max-width: none;
        padding: 16px;
        font-size: 14px;
    }

    .toast-icon {
        min-width: 24px;
        height: 24px;
    }
}