/* Loading States and Spinners */

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    min-height: 200px;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.loader i {
    font-size: 48px;
    color: var(--primary-green, #2D5F3F);
    animation: spin 1s linear infinite;
}

.loader p {
    font-size: 16px;
    color: var(--text-light, #666);
    margin: 0;
}

/* Spinner animation */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Skeleton loader for cards */
.skeleton-card {
    background: #f0f0f0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    height: 300px;
}

.skeleton-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.5),
        transparent
    );
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Skeleton grid */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

/* Pulse animation for loading elements */
.pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Button loading state */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

/* Error state */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    min-height: 200px;
    text-align: center;
}

.error-container i {
    font-size: 48px;
    color: #dc3545;
    margin-bottom: 16px;
}

.error-container h3 {
    color: #333;
    margin-bottom: 8px;
}

.error-container p {
    color: #666;
    margin-bottom: 20px;
}

.error-container .btn {
    margin-top: 10px;
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    min-height: 200px;
    text-align: center;
}

.empty-state i {
    font-size: 64px;
    color: #ccc;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #666;
    margin-bottom: 8px;
}

.empty-state p {
    color: #999;
}