/* Estilos principales del portal */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #004A99;
    --secondary-color: #1e3d72;
    --accent-color: #4a90e2;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --white: #ffffff;
    --border-color: #dee2e6;
    --border-color-2: #797979;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.main-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color-2);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
}

.header-logo {
    height: 40px;
    margin-right: 12px;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.user-menu-btn:hover {
    background-color: var(--light-gray);
}

.user-name {
    font-weight: 600;
    color: var(--dark-gray);
}

.user-role {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.dropdown-arrow {
    font-size: 0.8rem;
    color: var(--medium-gray);
    transition: var(--transition);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    min-width: 200px;
    display: none;
    z-index: 1001;
}

.user-dropdown.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--dark-gray);
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light-gray);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

.logout-link {
    color: var(--error-color);
}

/* Container */
.container {
    display: flex;
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    gap: 20px;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px 0;
    height: fit-content;
}

.sidebar-menu {
    list-style: none;
}

.menu-section {
    margin: 20px 0 10px 0;
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 20px;
}

.menu-item {
    margin: 2px 0;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--dark-gray);
    transition: var(--transition);
}

.menu-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.menu-item.active .menu-link {
    background-color: var(--primary-color);
    color: var(--white);
}

.menu-icon {
    margin-right: 12px;
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
}

.page-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.user-role {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--medium-gray);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--dark-gray);
}

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

.btn-warning {
    background-color: var(--warning-color);
    color: var(--dark-gray);
}

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

a.btn {
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    user-select: none;
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #856404;
}

.alert-error {
    background-color: #f8d7da;
    border-color: var(--error-color);
    color: #721c24;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color-2);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--medium-gray);
    font-size: 0.85rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

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

.table tbody tr:hover {
    background-color: var(--light-gray);
}

/* Footer */
.main-footer {
    background: var(--white);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: 30px 0;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.footer-section p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Layout alternativo cuando en el footer sólo quedan dos columnas.
   Las centramos horizontalmente como grupo, en vez de estirar cada
   columna hasta ocupar todo el ancho disponible. */
.footer-content--2col {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 60px;
}

.footer-content--2col .footer-section {
    flex: 0 1 auto;
    max-width: 320px;
}

/* Crédito discreto del autor, alineado a la derecha, integrado en el
   mismo fondo del footer (sin banda oscura). Coherente en tamaño con
   el resto del texto del footer. */
.footer-credit {
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.footer-credit-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--medium-gray);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-credit-link:hover {
    color: var(--primary-color);
}

.footer-credit-logo {
    height: 28px;
    width: auto;
    display: block;
}

@media (max-width: 600px) {
    .footer-credit {
        justify-content: center;
        text-align: center;
    }
    .footer-credit-link {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Por defecto, mostrar solo APP_NAME */
.app-mobile { display: none; }
.app-desktop { display: inline; }

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 10px;
    }

    .sidebar {
        width: 100%;
        order: 2;
    }

    .main-content {
        order: 1;
        padding: 20px;
    }

    .header-container {
        padding: 0 15px;
    }

    .header-nav {
        display: none;
    }

    .app-mobile { display: inline; }
    .app-desktop { display: none; }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }