/**
 * Loading Indicators CSS
 * Custom styles for loading spinners, overlays, and progress indicators
 */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loading-overlay.fade-out {
    opacity: 0;
}

/* Inline Loading Spinner */
.loading-spinner {
    padding: 2rem;
    text-align: center;
}

.loading-spinner.small {
    padding: 1rem;
}

.loading-spinner.large {
    padding: 3rem;
}

/* Large spinner variant */
.spinner-border-lg {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* HTMX Loading Indicators */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: inline-block;
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.65;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

/* Card Loading State */
.card-loading {
    position: relative;
    pointer-events: none;
}

.card-loading::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

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

.skeleton-text {
    height: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-text.wide {
    width: 100%;
}

.skeleton-text.medium {
    width: 70%;
}

.skeleton-text.short {
    width: 40%;
}

.skeleton-box {
    height: 200px;
    border-radius: 8px;
}

/* Progress Bar Container */
.progress-container {
    margin: 1rem 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: #6c757d;
}

/* Upload Progress */
.upload-progress {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.upload-progress .progress {
    height: 1.5rem;
    margin-top: 0.5rem;
}

.upload-progress .progress-bar {
    font-size: 0.875rem;
    line-height: 1.5rem;
}

/* File Upload Drop Zone Loading State */
.drop-zone.uploading {
    border-color: #0d6efd;
    background: #e7f1ff;
    pointer-events: none;
}

.drop-zone.uploading::after {
    content: "Enviando...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
    color: #0d6efd;
}

/* Export Loading State */
.export-loading {
    display: inline-block;
    margin-left: 0.5rem;
}

/* Table Loading Overlay */
.table-loading {
    position: relative;
    min-height: 200px;
}

.table-loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
}

/* Fade Transition */
.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Pulsing Effect for Loading Elements */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Spinner Colors */
.spinner-primary {
    color: #0d6efd;
}

.spinner-success {
    color: #198754;
}

.spinner-danger {
    color: #dc3545;
}

.spinner-warning {
    color: #ffc107;
}

.spinner-info {
    color: #0dcaf0;
}

/* Inline Spinner in Text */
.spinner-inline {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 0.2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}