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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); margin: 5px 0; }

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-link {
    text-decoration: none;
    display: inline-block;
}

/* Admin Settings Form */
.settings-form .form-group {
    margin-bottom: 1.5rem;
}

.settings-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.settings-form .form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

.settings-form .form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.settings-form small {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--light);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.lang-btn {
    padding: 0.25rem 0.75rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.3s;
}

.lang-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-outline.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.filter-chip {
    padding: 0.4rem 0.65rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

/* Main Content */
main {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

.content-wrapper {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    margin-top: 2rem;
}

.section-separator {
    border: 0;
    height: 2px;
    background: var(--gray-light);
    margin: 2rem 0;
}

.sitemap-files-list {
    list-style: none;
    padding: 0;
    margin-top: 0.5rem;
}
.sitemap-files-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}
.sitemap-files-list .file-name { font-weight: 600; color: var(--dark); }
.sitemap-files-list .file-date { color: var(--gray); font-size: 0.9rem; }

/* Question Cards */
.question-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-left: 4px solid var(--primary);
}

.question-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.question-header-content {
    flex: 1;
    min-width: 0;
}

.question-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.question-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
    text-decoration: none !important;
    border-bottom: none !important;
}

.question-title a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.3s;
}

.question-title a:hover {
    color: var(--primary);
}

.question-meta {
    display: flex;
    gap: 1rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.question-content {
    color: var(--dark-light);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.question-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-light);
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.stat-number {
    font-weight: 600;
    color: var(--primary);
}

.stat-icon {
    width: clamp(0.7rem, 1.6vw, 1rem);
    height: clamp(0.7rem, 1.6vw, 1rem);
    color: var(--gray);
    flex-shrink: 0;
}

.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.page-title {
    font-size: clamp(1.25rem, 2.5vw + 0.5rem, 2rem);
    margin: 0;
}

@media (max-width: 768px) {
    nav .container { position: relative; }
    .nav-toggle { display: inline-block; }
    .nav-links { 
        display: none; 
        position: absolute; 
        right: 20px; 
        top: calc(100% + 4px); 
        background: var(--white); 
        padding: 1rem; 
        border-radius: var(--radius-sm); 
        box-shadow: var(--shadow); 
        flex-direction: column; 
        gap: 0.75rem; 
        width: max(240px, 50%);
    }
    .nav-links.active { display: flex; }
    .lang-switcher { width: 100%; justify-content: flex-start; }
    .btn.btn-primary { width: auto; }
}

@media (min-width: 769px) {
    .nav-links { display: flex; }
}

/* Ajustes de columnas y tarjetas en Categorías */
.filter-bar {
    flex-direction: column;
    align-items: flex-start;
}
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Category Tags */
.category-tags-wrapper {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-light);
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s;
    border: 1px solid var(--primary);
}

.category-tag:hover {
    background: var(--light);
    color: var(--dark);
    border-color: var(--gray-light);
    transform: translateY(-2px);
}

.category-tag .count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--white);
}

.category-tag:hover .count {
    background: rgba(0, 0, 0, 0.1);
    color: var(--dark);
}

/* Admin Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s;
}

.cat-columns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: stretch;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.cat-question-card {
    flex: 1 1 300px;
    min-width: 280px;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: clamp(160px, 22vw, 220px);
}

.cat-title-ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 768px) {
    .cat-question-card { min-height: 170px; }
    .cat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .cat-question-card { min-height: 160px; flex: 1 1 100%; min-width: 100%; }
    .cat-columns > .content-wrapper { flex: 1 1 100% !important; }
    .content-wrapper { padding: 1rem; }
    .category-tags-wrapper { gap: 0.5rem; }
    .cat-grid { grid-template-columns: 1fr; }
}

.cat-question-card .question-header > div { min-width: 0; }

.cat-excerpt {
    margin-top: 0.5rem;
    color: var(--dark-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 600px) {
    .cat-excerpt { -webkit-line-clamp: 3; }
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.users-icon { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.questions-icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.answers-icon { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.views-icon { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Answer Section */
.answer-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-light);
}

.answer-card {
    background: var(--light);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    border-left: 3px solid var(--secondary);
}

.answer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--gray);
    font-size: 0.875rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.answer-header>div:first-child {
    flex: 1;
    min-width: 0;
}

.answer-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.answer-content {
    color: var(--dark-light);
    line-height: 1.7;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--dark);
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

/* Mobile Menu Button */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 5px 0;
    transition: all 0.3s;
    border-radius: 2px;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1.125rem;
}

/* Responsive */
/* Tablet */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .question-header {
        gap: 0.75rem;
    }

    .question-actions {
        gap: 0.5rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .container {
        padding: 0 1rem;
    }

    .content-wrapper {
        padding: 1.5rem;
        margin-top: 1rem;
    }

    .question-card {
        padding: 1.25rem;
    }

    .question-header {
        gap: 1rem;
    }

    .question-header-content {
        width: 100%;
    }

    .question-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .answer-header {
        gap: 0.75rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .answer-header > div:first-child {
        width: 100%;
    }

    .answer-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .question-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .question-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
        margin: 1rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }

    .filter-bar .btn,
    .filter-bar .btn-outline {
        font-size: clamp(0.85rem, 1.8vw, 1rem);
        padding: clamp(0.4rem, 1.5vw, 0.75rem) clamp(0.8rem, 2.5vw, 1.5rem);
    }

    .action-btn,
    .btn-outline {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .lang-switcher {
        width: 100%;
        justify-content: center;
    }
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--gray-light);
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Admin Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.admin-table th,
.admin-table td {
    padding: 1.25rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-light);
}

.admin-table th {
    background: var(--light);
    font-weight: 600;
    color: var(--dark);
}

.admin-table tr:hover {
    background: var(--light);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-admin {
    background: var(--primary);
    color: var(--white);
}

.badge-moderator {
    background: var(--secondary);
    color: var(--white);
}

.badge-user {
    background: var(--gray-light);
    color: var(--dark);
}

.action-btn {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    margin-right: 0.5rem;
}

.action-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.pagination a {
    text-decoration: none;
}

.btn-edit {
    background: var(--warning);
    color: var(--white);
}

.btn-delete {
    background: var(--danger);
    color: var(--white);
}

.btn-approve {
    background: var(--success);
    color: var(--white);
}
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    #users form[onsubmit="applyUserFilters(event)"] {
        grid-template-columns: 1fr !important;
    }
    .pagination {
        flex-wrap: wrap;
    }
}
.question-stats .stat-number {
    font-size: clamp(0.85rem, 1.8vw, 1rem);
}

.ad-slot {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    margin: 1rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90px;
}

.ad-slot iframe {
    max-width: 100%;
}