/**
 * Estilos centralizados - Sistema de Gestión
 * Basado en el diseño de Soluciones 1a1
 */

/* ============================================
   VARIABLES Y CONFIGURACIÓN GENERAL
   ============================================ */
:root {
    /* Colores principales */
    --primary-color: #00507d;
    --primary-light: #0067a3;
    --primary-dark: #003d5f;

    /* Colores de acento */
    --accent-green: #00ca5c;
    --accent-cyan: #00c7dc;
    --accent-red: #f82528;

    /* Colores neutrales */
    --text-dark: #5e6073;
    --text-light: #ffffff;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border-color: #e1e4e8;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);

    /* Espaciados */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Dimensiones */
    --sidebar-width: 280px;
    --header-height: 70px;
    --border-radius: 5px;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* ============================================
   PÁGINA DE LOGIN
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: var(--spacing-md);
}

.login-box {
    background: var(--bg-white);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 450px;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    font-family: 'Prompt', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-normal);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(0, 202, 92, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--text-light);
    width: 100%;
}

.btn-primary:hover {
    background-color: #00b050;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.alert {
    padding: 12px 15px;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.alert-danger {
    background-color: #fee;
    border-left: 4px solid var(--accent-red);
    color: #c00;
}

.alert-success {
    background-color: #efe;
    border-left: 4px solid var(--accent-green);
    color: #060;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.main-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-normal);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h2 {
    font-family: 'Prompt', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.user-info {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* Menú de navegación */
.sidebar-menu {
    padding: var(--spacing-md) 0;
    list-style: none;
}

.menu-item {
    margin: 0;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px var(--spacing-lg);
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border-left: 4px solid transparent;
}

.menu-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent-green);
}

.menu-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-left-color: var(--accent-green);
    font-weight: 600;
}

.menu-link i {
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.menu-arrow {
    margin-left: auto;
    transition: var(--transition-fast);
}

.menu-link.expanded .menu-arrow {
    transform: rotate(90deg);
}

/* Submenú */
.submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background-color: rgba(0, 0, 0, 0.2);
}

.submenu.show {
    max-height: 500px;
}

.submenu-link {
    display: block;
    padding: 10px var(--spacing-lg) 10px calc(var(--spacing-lg) + 40px);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.submenu-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.submenu-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-green);
    font-weight: 600;
}

/* Botón de logout */
.sidebar-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
    width: 100%;
    background-color: rgba(248, 37, 40, 0.8);
    color: var(--text-light);
    border: none;
    padding: 12px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-logout:hover {
    background-color: var(--accent-red);
}

.btn-logout i {
    margin-right: var(--spacing-xs);
}

/* Contenido principal */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
}

.content-header {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.content-header h1 {
    font-family: 'Prompt', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.content-body {
    padding: var(--spacing-lg);
}

/* iFrame container */
.iframe-container {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    height: calc(100vh - var(--header-height) - var(--spacing-lg) * 3);
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   MÓDULOS - ESTILOS COMUNES
   ============================================ */
.module-container {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.module-header h2 {
    font-family: 'Prompt', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.btn-secondary {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 10px 20px;
}

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

.btn-success {
    background-color: var(--accent-green);
    color: var(--text-light);
    padding: 10px 20px;
}

.btn-success:hover {
    background-color: #00b050;
}

.btn-danger {
    background-color: var(--accent-red);
    color: var(--text-light);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-danger:hover {
    background-color: #d81e21;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

/* Tablas */
.table-responsive {
    overflow-x: auto;
    margin-top: var(--spacing-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
}

.table thead {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr {
    transition: var(--transition-fast);
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Acciones de tabla */
.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-icon {
    padding: 6px 10px;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: 10px;
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.modal-header h3 {
    font-family: 'Prompt', sans-serif;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--accent-red);
    transform: rotate(90deg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Badge de estado */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .login-box {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-dark);
}

.no-data {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-dark);
    font-style: italic;
}