/* Notification Container */
.notification-container {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: min(520px, calc(100vw - 32px));
    transition: gap 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.notification-container.expanded {
    pointer-events: auto;
    gap: 10px;
}

/* Individual Notification */
.notification {
    --notification-accent: var(--error-color);
    --notification-bg: color-mix(in srgb, var(--bg-normal-elevated, var(--background)) 92%, transparent);
    --notification-border: color-mix(in srgb, var(--border-color) 84%, var(--notification-accent) 16%);
    --notification-shadow: 0 14px 40px rgba(0, 0, 0, 0.10), 0 3px 12px rgba(0, 0, 0, 0.08);
    background: var(--bg-normal-elevated, var(--background));
    background: var(--notification-bg);
    border: 1px solid var(--notification-border);
    border-radius: 16px;
    box-shadow: var(--notification-shadow);
    color: var(--text-color);
    padding: 10px 38px 10px 14px;
    min-width: min(340px, 100%);
    width: fit-content;
    max-width: 100%;
    position: relative;
    pointer-events: auto;
    overflow: hidden;
    backdrop-filter: blur(18px) saturate(1.15);
    -webkit-backdrop-filter: blur(18px) saturate(1.15);
    transition:
        opacity 0.22s ease,
        transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 0.22s ease,
        border-color 0.22s ease;
    transform-origin: top center;
    animation: notificationSlideIn 0.24s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification::before {
    content: "";
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    border-radius: 9999px;
    background: var(--notification-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--notification-accent) 14%, transparent);
}

/* Type modifiers */
.notification.error {
    --notification-accent: var(--error-color);
}

.notification.success {
    --notification-accent: var(--success-color);
}

.notification.warning {
    --notification-accent: var(--pending);
}

.notification.info {
    --notification-accent: var(--primary-color);
}

/* Stacked appearance (scale down lower items slightly) */
.notification:nth-child(2) {
    transform: translateY(-2px) scale(0.985);
    opacity: 0.96;
}

.notification:nth-child(3) {
    transform: translateY(-4px) scale(0.97);
    opacity: 0.9;
}

.notification:nth-child(n + 4) {
    transform: translateY(-6px) scale(0.955);
    opacity: 0.84;
}

/* Notification text and optional action */
.notification-content {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 12px;
    min-width: 0;
}

.notification-text {
    flex: 1;
    color: var(--text-color);
    font-size: 13px;
    line-height: 1.45;
    font-weight: 500;
    white-space: pre-line;
}

.notification-action {
    flex: 0 0 auto;
    border: 1px solid color-mix(in srgb, var(--notification-accent) 24%, var(--border-color));
    border-radius: 9999px;
    background: color-mix(in srgb, var(--notification-accent) 9%, transparent);
    color: var(--notification-accent);
    cursor: pointer;
    padding: 5px 10px;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        transform 0.16s ease;
}

.notification-action:focus-visible {
    outline: 2px solid var(--notification-accent);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .notification-action:hover {
        background: color-mix(in srgb, var(--notification-accent) 14%, transparent);
        border-color: color-mix(in srgb, var(--notification-accent) 36%, var(--border-color));
        transform: translateY(-1px);
    }
}

/* Close button */
.notification-close {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-color-secondary);
    cursor: pointer;
    padding: 0;
    border-radius: 9999px;
    opacity: 0.62;
    transition:
        opacity 0.16s ease,
        background 0.16s ease,
        color 0.16s ease;
    width: 24px;
    height: 24px;
}

.notification-close-icon {
    display: block;
    flex: 0 0 auto;
    width: 14px;
    height: 14px;
    pointer-events: none;
}

.notification-close:focus {
    outline: 2px solid var(--notification-accent);
    outline-offset: 2px;
    opacity: 1;
}

@media (hover: none) {
    .notification-close {
        opacity: 1;
    }
}

/* Exit animation */
.notification.removing {
    animation: slideOut 0.2s ease forwards;
    pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .notification-container {
        top: 12px;
        width: calc(100vw - 24px);
    }

    .notification {
        width: 100%;
        min-width: 0;
        padding: 10px 38px 10px 12px;
        border-radius: 14px;
        gap: 8px;
    }

    .notification:nth-child(n) {
        transform: none;
        opacity: 1;
    }

    .notification-text {
        font-size: 13px;
        line-height: 1.4;
    }

    .notification-close {
        right: 12px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .notification {
        animation: none;
        transition: opacity 0.2s ease;
    }
    
    .notification.removing {
        animation: none;
        opacity: 0;
    }
}

@media (hover: hover) and (pointer: fine) {
    /* Hover state for container - expand stack */
    .notification-container:hover .notification {
        transform: translateY(0) scale(1);
    }
    /* Reset transform on hover */
    .notification-container:hover .notification:nth-child(n) {
        transform: scale(1);
        opacity: 1;
    }

    .notification:hover {
        border-color: color-mix(in srgb, var(--border-color) 70%, var(--notification-accent) 30%);
        box-shadow: 0 18px 44px rgba(0, 0, 0, 0.12), 0 4px 14px rgba(0, 0, 0, 0.08);
    }

    .notification:hover .notification-close {
        opacity: 1;
    }
    
    .notification-close:hover {
        background: var(--hover);
        color: var(--text-color);
    }
}