/* ==========================================
   TOAST NOTIFICATIONS & LOADING STATES
   ========================================== */

/* Toast Container */
.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 320px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: start;
    gap: 1rem;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9999;
    border-left: 4px solid #3b82f6;
}

.toast-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.toast-content {
    flex-grow: 1;
}

.toast-content strong {
    display: block;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
}

.toast-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--gray-500);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.3s ease;
}

.toast-close:hover {
    color: var(--gray-900);
}

/* Toast Types */
.toast-success {
    border-left-color: #10b981;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.toast-warning {
    border-left-color: #f59e0b;
}

.toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.toast-info {
    border-left-color: #3b82f6;
}

.toast-info .toast-icon {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

/* Skeleton Loaders */
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-header {
    height: 24px;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-line {
    height: 16px;
    width: 100%;
    margin-bottom: 0.75rem;
}

.skeleton-line.short {
    width: 70%;
}

.skeleton-card {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state img,
.empty-state svg {
    max-width: 200px;
    margin-bottom: 2rem;
    opacity: 0.6;
}

.empty-state h4 {
    color: var(--gray-900);
    font-weight: 700;
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 576px) {
    .toast-notification {
        left: 20px;
        right: 20px;
        min-width: auto;
    }
}