/* ============================================
   NOTIFICATION & TOAST COMPONENTS
   ============================================ */

.notification-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-notification);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
}

.notification {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease;
    position: relative;
    overflow: hidden;
}

.notification.success {
    border-left: 4px solid var(--success);
}

.notification.error {
    border-left: 4px solid var(--danger);
}

.notification.warning {
    border-left: 4px solid var(--warning);
}

.notification.info {
    border-left: 4px solid var(--accent);
}

.notification-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

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

.notification.error .notification-icon {
    color: var(--danger);
}

.notification.warning .notification-icon {
    color: var(--warning);
}

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

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--primary-navy);
}

.notification-message {
    font-size: 0.875rem;
    color: var(--primary-gray);
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-gray);
    font-size: 1.25rem;
    padding: 0.25rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-speed);
    flex-shrink: 0;
}

.notification-close:hover {
    background: var(--background);
}

.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--accent);
    animation: progressBar 3s linear;
}

.notification.success .notification-progress {
    background: var(--success);
}

.notification.error .notification-progress {
    background: var(--danger);
}

.notification.warning .notification-progress {
    background: var(--warning);
}

@keyframes progressBar {
    from { width: 100%; }
    to { width: 0%; }
}

/* Toast Undo Action */
.notification-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.notification-action {
    padding: 0.25rem 0.75rem;
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.notification-action.primary {
    background: var(--accent);
    color: white;
}

.notification-action.primary:hover {
    opacity: 0.9;
}

.notification-action.secondary {
    background: var(--background);
    color: var(--primary-gray);
}

.notification-action.secondary:hover {
    background: var(--border-color);
}

/* Loading Notification */
.notification.loading .notification-icon {
    animation: spin 1s linear infinite;
}

/* Keyboard Shortcuts Help */
.keyboard-shortcuts {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    z-index: var(--z-modal);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.keyboard-shortcuts.hidden {
    display: none;
}

.shortcut-list {
    list-style: none;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.shortcut-item:last-child {
    border-bottom: none;
}

.shortcut-keys {
    display: flex;
    gap: 0.5rem;
}

.shortcut-key {
    padding: 0.25rem 0.5rem;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    min-width: 30px;
    text-align: center;
}

/* Auto-save Indicator */
.autosave-indicator {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--primary-gray);
    z-index: var(--z-notification);
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.autosave-indicator.visible {
    opacity: 1;
}

.autosave-indicator.saving {
    color: var(--warning);
}

.autosave-indicator.saved {
    color: var(--success);
}

.autosave-indicator .icon {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .notification-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }

    .notification {
        padding: 0.75rem 1rem;
    }

    .autosave-indicator {
        bottom: 1rem;
        left: 1rem;
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
    }

    .keyboard-shortcuts {
        width: 95%;
        padding: 1.5rem;
    }
}