/* Loading States and Animations */

/* Loading Spinner Container */
.loading-container {
    min-height: 200px;
}

.spinner-wrapper {
    text-align: center;
}

.loading-message {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Loading Dots Animation */
.loading-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    animation: dot-pulse 1.4s ease-in-out infinite both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }
.dot:nth-child(3) { animation-delay: 0s; }

@keyframes dot-pulse {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Loading Pulse Animation */
.loading-pulse {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pulse-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

/* Skeleton Loading */
.skeleton-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-image {
    height: 200px;
    background: linear-gradient(90deg, var(--border) 25%, var(--surface-hover) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-content {
    padding: 1.5rem;
}

.skeleton-title {
    height: 24px;
    background: linear-gradient(90deg, var(--border) 25%, var(--surface-hover) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 1rem;
    width: 80%;
}

.skeleton-text {
    height: 16px;
    background: linear-gradient(90deg, var(--border) 25%, var(--surface-hover) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-badges {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.skeleton-badge {
    height: 20px;
    width: 60px;
    background: linear-gradient(90deg, var(--border) 25%, var(--surface-hover) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 10px;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Error Display */
.error-container {
    max-width: 500px;
    margin: 0 auto;
}

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

.error-title {
    color: var(--text);
    font-weight: 600;
}

.error-message {
    color: var(--text-muted);
    line-height: 1.6;
}

.error-details {
    padding: 1rem;
    background: var(--surface-hover);
    border-radius: 8px;
    border-left: 4px solid var(--warning);
}

/* Fade In Animation for Content */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading State Transitions */
.loading-transition {
    transition: opacity 0.3s ease-in-out;
}

.loading-transition.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Dark Mode Adjustments */
[data-theme="dark"] .skeleton-card {
    background: var(--surface);
}

[data-theme="dark"] .skeleton-image,
[data-theme="dark"] .skeleton-title,
[data-theme="dark"] .skeleton-text,
[data-theme="dark"] .skeleton-badge {
    background: linear-gradient(90deg, #334155 25%, #475569 50%, #334155 75%);
    background-size: 200% 100%;
}

[data-theme="dark"] .error-details {
    background: rgba(51, 65, 85, 0.5);
    border-left-color: var(--warning);
}

/* Responsive Loading States */
@media (max-width: 768px) {
    .loading-container {
        min-height: 150px;
    }
    
    .skeleton-content {
        padding: 1rem;
    }
    
    .skeleton-image {
        height: 150px;
    }
    
    .pulse-circle {
        width: 32px;
        height: 32px;
    }
}