/* Estilos base para el repositorio dinámico de archivos */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.15);
    --transition: all 0.2s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.site-header {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    box-shadow: var(--box-shadow);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.header-content {
    flex: 1;
    text-align: center;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    min-width: 150px;
}

.welcome-user {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

.logout-link {
    color: var(--danger-color);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.logout-link:hover {
    background-color: var(--danger-color);
    color: var(--white);
}

.header-logo {
    margin-bottom: clamp(8px, 2vw, 16px);
}

.logo-image {
    height: clamp(45px, 8vw, 70px);
    width: auto;
    max-width: min(250px, 40vw);
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    object-fit: contain;
    transition: var(--transition);
}

.site-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1.2;
}

.site-description {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* Welcome Section */
.welcome-section {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-color);
}

.welcome-content {
    max-width: 800px;
    margin: 0 auto;
}

.welcome-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 20px;
    text-align: center;
}

.welcome-text {
    line-height: 1.7;
    color: var(--gray-700);
}

.welcome-text p {
    margin-bottom: 16px;
}

.copyright-notice {
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 24px 0;
    border: 1px solid var(--gray-200);
}

.copyright-notice h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.copyright-notice p {
    margin-bottom: 12px;
}

.copyright-notice p:last-child {
    margin-bottom: 0;
}



.contact-link,
.external-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-link:hover,
.external-link:hover {
    text-decoration: underline;
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Error Messages */
.error-message {
    background: var(--white);
    border: 1px solid var(--danger-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.error-message.security {
    border-color: var(--warning-color);
    background-color: #fff3cd;
}

.error-message.not_found {
    border-color: var(--info-color);
    background-color: #d1ecf1;
}

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

.error-content p {
    margin-bottom: 12px;
}

.error-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.error-link:hover {
    text-decoration: underline;
}

/* Breadcrumbs Navigation */
.breadcrumbs {
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    box-shadow: var(--box-shadow);
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-link {
    color: var(--primary-color);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.breadcrumb-link:hover {
    background-color: var(--gray-100);
    text-decoration: none;
}

.breadcrumb-current {
    color: var(--gray-700);
    font-weight: 500;
    padding: 4px 8px;
}

.breadcrumb-separator {
    color: var(--gray-400);
    font-weight: 300;
}

/* Directory Content */
.directory-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Empty Directory */
.empty-directory {
    background: var(--white);
    padding: 48px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.6;
}

.empty-title {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.empty-message {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.back-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* Section Styles */
.directories-section,
.files-section {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.section-title {
    padding: 20px 24px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-icon {
    font-size: 1.2rem;
}

.section-count {
    color: var(--gray-500);
    font-weight: 400;
    font-size: 0.9rem;
}

/* File List */
.file-list {
    display: flex;
    flex-direction: column;
}

.file-item {
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.file-item:hover {
    background-color: var(--gray-50);
}

.file-link {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    text-decoration: none;
    color: inherit;
    gap: 16px;
}

.file-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 4px;
    word-break: break-word;
    line-height: 1.4;
}

.file-link:hover .file-name {
    color: var(--primary-color);
}

.file-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.file-size,
.file-date,
.file-type {
    display: flex;
    align-items: center;
    gap: 4px;
}

.directory-item .file-icon {
    color: var(--warning-color);
}

/* Directory Statistics */
.directory-stats {
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 24px;
}

.stats-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    justify-content: center;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-600);
}

.stats-icon {
    font-size: 1rem;
}

.stats-value {
    font-weight: 600;
    color: var(--gray-800);
}

.stats-separator {
    color: var(--gray-400);
    font-weight: 300;
}

/* Footer */
.site-footer {
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--border-radius);
    margin-top: 32px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.footer-text {
    color: var(--gray-600);
    margin-bottom: 8px;
}

.footer-info {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-separator {
    color: var(--gray-400);
    font-weight: 300;
}

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

.loading-spinner {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-lg);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* File Type Icons */
.file-icon[data-type="pdf"] { color: #dc3545; }
.file-icon[data-type="doc"], 
.file-icon[data-type="docx"] { color: #007bff; }
.file-icon[data-type="xls"], 
.file-icon[data-type="xlsx"] { color: #28a745; }
.file-icon[data-type="ppt"], 
.file-icon[data-type="pptx"] { color: #fd7e14; }
.file-icon[data-type="jpg"], 
.file-icon[data-type="jpeg"], 
.file-icon[data-type="png"], 
.file-icon[data-type="gif"] { color: #6f42c1; }
.file-icon[data-type="mp3"], 
.file-icon[data-type="wav"] { color: #e83e8c; }
.file-icon[data-type="mp4"], 
.file-icon[data-type="avi"] { color: #20c997; }
.file-icon[data-type="zip"], 
.file-icon[data-type="rar"] { color: #6c757d; }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .site-header {
        padding: 20px 16px;
        margin-bottom: 20px;
        flex-direction: column;
        text-align: center;
    }
    
    .user-info {
        align-items: center;
        min-width: auto;
    }
    
    .logo-image {
        height: clamp(35px, 6vw, 50px);
        max-width: min(180px, 35vw);
    }
    
    .site-title {
        font-size: 1.75rem;
    }
    
    .site-description {
        font-size: 1rem;
    }
    
    .welcome-section {
        padding: 24px 20px;
        margin-bottom: 20px;
    }
    
    .welcome-title {
        font-size: 1.25rem;
    }
    
    .copyright-notice {
        padding: 16px;
        margin: 20px 0;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 4px;
    }
    
    .breadcrumbs {
        padding: 12px 16px;
        margin-bottom: 20px;
    }
    
    .breadcrumb-list {
        gap: 6px;
    }
    
    .section-title {
        padding: 16px 20px;
        font-size: 1.125rem;
    }
    
    .file-link {
        padding: 14px 20px;
        gap: 12px;
    }
    
    .file-icon {
        width: 28px;
        height: 28px;
        font-size: 1.25rem;
    }
    
    .file-meta {
        font-size: 0.8125rem;
        gap: 8px;
    }
    
    .stats-content {
        gap: 12px;
    }
    
    .directory-stats {
        padding: 12px 20px;
    }
    
    .site-footer {
        padding: 16px 20px;
        margin-top: 24px;
    }
    
    .empty-directory {
        padding: 32px 20px;
    }
    
    .empty-icon {
        font-size: 3rem;
    }
    
    .empty-title {
        font-size: 1.25rem;
    }
    
    .empty-message {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 8px;
    }
    
    .site-header {
        padding: 16px 12px;
    }
    
    .logo-image {
        height: clamp(30px, 5vw, 40px);
        max-width: min(120px, 30vw);
    }
    
    .site-title {
        font-size: 1.5rem;
    }
    
    .welcome-section {
        padding: 20px 16px;
    }
    
    .welcome-title {
        font-size: 1.125rem;
    }
    
    .copyright-notice {
        padding: 12px;
    }
    
    .breadcrumbs {
        padding: 10px 12px;
    }
    
    .breadcrumb-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .breadcrumb-item {
        width: 100%;
    }
    
    .section-title {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .file-link {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .file-info {
        width: 100%;
    }
    
    .file-meta {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
    
    .stats-content {
        flex-direction: column;
        gap: 8px;
    }
    
    .directory-stats {
        padding: 10px 16px;
    }
    
    .site-footer {
        padding: 12px 16px;
    }
}

/* Print Styles */
@media print {
    .loading-overlay,
    .site-footer {
        display: none;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .site-header,
    .breadcrumbs,
    .directories-section,
    .files-section {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}