:root {
    /* Color corporativo MaHerMo: #004A99 */
    --color-primary: #004A99;
    --color-primary-light: #0066CC;
    --color-primary-dark: #003366;
    --color-secondary: #2d8a6e;
    --color-secondary-light: #3aaa89;
    --color-accent: #e8a838;
    --color-accent-light: #f0be5e;
    --color-success: #28a745;
    --color-warning: #e8a838;
    --color-error: #dc3545;
    --color-info: #17a2b8;
    --color-bg: #f5f7fa;
    --color-surface: #ffffff;
    --color-surface-alt: #f0f2f5;
    --color-border: #d1d9e6;
    --color-border-light: #e8ecf1;
    --color-text: #1a2332;
    --color-text-secondary: #5a6b7f;
    --color-text-muted: #8a97a8;
    --shadow-sm: 0 1px 3px rgba(0, 74, 153, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 74, 153, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 74, 153, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.2s ease;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-light);
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background: linear-gradient(135deg, var(--color-bg) 0%, #e0e8f0 100%);
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.login-brand p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-top: 4px;
}

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 36px 32px;
    border: 1px solid var(--color-border-light);
}

.login-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-text);
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 28px;
}

.auth-tab {
    flex: 1;
    padding: 10px 8px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    font-family: var(--font-body);
    line-height: 1.3;
}

.auth-tab:hover {
    color: var(--color-text);
    background: rgba(255,255,255,0.5);
}

.auth-tab.active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

.auth-panel {
    display: none;
}

.auth-panel.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    width: 100%;
}

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(15, 76, 129, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-surface-alt);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border-light);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}

.btn-success:hover {
    background: #22943d;
}

.btn-danger {
    background: var(--color-error);
    color: #fff;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

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

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.875rem;
    line-height: 1.5;
    border-left: 3px solid;
}

.alert-error {
    background: #fef2f2;
    border-color: var(--color-error);
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border-color: var(--color-success);
    color: #166534;
}

.alert-warning {
    background: #fffbeb;
    border-color: var(--color-warning);
    color: #92400e;
}

.alert-info {
    background: #f0f9ff;
    border-color: var(--color-info);
    color: #0c4a6e;
}

.cert-info-box {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.cert-info-box h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.cert-info-box p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 24px 0;
    flex-shrink: 0;
}

.admin-sidebar-brand {
    padding: 0 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 16px;
}

.admin-sidebar-brand h2 {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.admin-sidebar-brand span {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
}

.admin-nav {
    list-style: none;
}

.admin-nav li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 400;
    transition: all var(--transition);
}

.admin-nav li a:hover,
.admin-nav li a.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.admin-nav li a.active {
    border-left: 3px solid var(--color-accent);
    padding-left: 17px;
}

.admin-content {
    flex: 1;
    padding: 32px;
    overflow-x: auto;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
    font-weight: 600;
    font-size: 0.9375rem;
}

.card-body {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 10px 16px;
    text-align: left;
    font-size: 0.8125rem;
    border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-surface-alt);
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.5px;
}

.data-table tr:hover td {
    background: #f8fafc;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-error { background: #fef2f2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #e0f2fe; color: #0c4a6e; }
.badge-neutral { background: var(--color-surface-alt); color: var(--color-text-secondary); }

.profile-section {
    max-width: 640px;
    margin: 0 auto;
}

.profile-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
    padding: 32px;
    margin-bottom: 24px;
}

.profile-card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-light);
}

.profile-header {
    text-align: center;
    padding: 32px 24px;
}

.profile-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.secret-display {
    background: #1a2332;
    color: #e0e8f0;
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
    word-break: break-all;
    margin: 12px 0;
    position: relative;
}

.secret-display .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #e0e8f0;
    border-radius: 4px;
    font-size: 0.6875rem;
    cursor: pointer;
}

.secret-display .copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    padding: 16px 0;
}

.pagination a,
.pagination span {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.pagination a:hover {
    background: var(--color-surface-alt);
}

.pagination .current {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.modal h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}

.empty-state p {
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.actions-cell {
    display: flex;
    gap: 6px;
}

@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
    }
    .admin-content {
        padding: 16px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .auth-tabs {
        flex-wrap: wrap;
    }
    .auth-tab {
        min-width: calc(50% - 4px);
    }
    .login-card {
        padding: 24px 20px;
    }
}

/* Estilos para textos de ayuda y listas */
.help-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.totp-help-text {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    margin-bottom: 16px;
}

.cert-info-list {
    margin-left: 16px;
    margin-bottom: 12px;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.login-footer-spaced {
    margin-top: 16px;
}

.btn-block {
    width: 100%;
}