/**
 * SENAttend - Estilos institucionales SENA
 * Archivo principal con estilos globales y comunes
 * Paleta: Verde SENA (#39A900) y variantes
 */

/* === Variables y Reset === */
:root {
    --color-primary: #39A900;
    --color-primary-dark: #2d8600;
    --color-primary-light: #4bc200;
    --color-secondary: #00324D;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    --color-light: #f8f9fa;
    --color-dark: #343a40;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-600: #6c757d;
    --color-gray-900: #212529;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-100);
    font-size: 15px;
}

/* === Layout === */
.wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   ESTILOS GLOBALES MÁS COMPACTOS
   ============================================ */

/* Typography */
h1 {
    font-size: 1.85rem;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

h2 {
    font-size: 1.55rem;
    line-height: 1.35;
    margin-bottom: 0.625rem;
}

h3 {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

h5 {
    font-size: 1rem;
    margin-bottom: 0.375rem;
}

p {
    font-size: 0.95rem;
    margin-bottom: 0.875rem;
}

/* Buttons */
.btn {
    font-size: 0.925rem;
    padding: 0.75rem 1.25rem;
}

/* Cards */
.card {
    padding: 1.5rem;
    border-radius: 10px;
}

/* Page Headers */
.page-header {
    margin-bottom: 1.75rem;
}

.page-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.375rem;
    margin-top: 0.875rem;
}

.page-header .subtitle {
    font-size: 0.9rem;
    color: var(--color-gray-600);
}

/* Botón Volver - Espaciado consistente */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.875rem;
}

/* === Header === */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 0.75rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

/* Iconos de usuario en móvil - dentro del header-left */
.nav-user-mobile {
    display: none;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    padding-left: 0.75rem;
}

.nav-user-mobile .user-icon-link,
.nav-user-mobile .logout-icon-link {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
}

/* Menú Hamburguesa */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
    width: 30px;
    height: 30px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: block;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: center;
}

.menu-toggle span:nth-child(1) {
    top: 6px;
}

.menu-toggle span:nth-child(2) {
    top: 13px;
}

.menu-toggle span:nth-child(3) {
    top: 20px;
}

.menu-toggle.active span:nth-child(1) {
    top: 13px;
    transform: translateX(-50%) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-50%) scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    top: 13px;
    transform: translateX(-50%) rotate(-45deg);
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-menu a.active {
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 600;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.user-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-white);
    font-size: 1.8rem;
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.1);
}

.user-icon-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    color: var(--color-white);
}

.user-icon-link i {
    display: block;
}

.logout-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-white);
    font-size: 1.5rem;
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.1);
}

.logout-icon-link:hover {
    background-color: rgba(255, 77, 77, 0.3);
    transform: scale(1.05);
    color: var(--color-white);
}

.logout-icon-link i {
    display: block;
}

.user-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-logout .btn-text {
    display: inline;
}

.user-info {
    font-size: 0.95rem;
}

/* === Main Content === */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* === Footer === */
.footer {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 1.5rem 0;
    text-align: center;
    margin-top: auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(57, 169, 0, 0.1);
}

/* === Botón Volver === */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background-color: var(--color-gray-200);
    color: var(--color-gray-900);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.btn-back:hover {
    background-color: var(--color-gray-300);
    border-color: var(--color-gray-400);
    color: var(--color-primary-dark);
    transform: translateX(-2px);
}

.btn-back i {
    font-size: 0.85rem;
}

.btn-back:active {
    transform: translateX(0);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(57, 169, 0, 0.3);
}

.btn-secondary {
    background-color: var(--color-gray-600);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-gray-900);
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* === Alerts === */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--color-danger);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--color-success);
}

/* === Tables === */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.table-wrapper::-webkit-scrollbar {
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: var(--color-gray-200);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-900);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    min-width: 600px; /* Ancho mínimo para evitar compresión excesiva */
}

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

.table th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    white-space: nowrap;
}

.table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
    vertical-align: middle;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--color-gray-100);
}

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

/* Límite de columnas visibles - máximo 7 columnas por defecto */
.table-limit-columns {
    max-width: 100%;
}

.table-limit-columns .table {
    table-layout: auto;
}

/* Indicador de scroll horizontal */
.table-wrapper::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.8));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.table-wrapper.scrollable::after {
    opacity: 1;
}

/* === Paginación === */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

.pagination-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pagination-controls .btn {
    min-width: 100px;
}

.pagination-numbers {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.pagination-numbers a,
.pagination-numbers span {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    min-width: 40px;
    text-align: center;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    transition: var(--transition);
}

.pagination-numbers a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination-numbers span.current {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    font-weight: 600;
}

/* === Badges === */
.badge {
    display: inline-block;
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

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

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

.badge-instructor {
    background-color: var(--color-info);
    color: var(--color-white);
}

.badge-coordinador {
    background-color: var(--color-warning);
    color: var(--color-gray-900);
}

/* === Iconos FontAwesome - Estandarización SENA === */
/* Estilos globales para iconos: colores neutros y tamaños naturales */
.fas, .far, .fab, .fa-solid, .fa-regular, .fa-brands {
    color: inherit;
    font-size: inherit;
}

/* Iconos en botones - tamaño pequeño y natural */
.btn .fas, .btn .far, .btn .fab,
.btn i[class*="fa-"] {
    font-size: 0.875rem;
    color: inherit;
    margin-right: 0.25rem;
}

/* Iconos en headers y títulos */
h1 .fas, h1 .far, h1 .fab,
h2 .fas, h2 .far, h2 .fab,
h3 .fas, h3 .far, h3 .fab,
h4 .fas, h4 .far, h4 .fab {
    font-size: 1em;
    color: inherit;
    margin-right: 0.5rem;
}

/* Iconos en tablas - tamaño pequeño */
.table .fas, .table .far, .table .fab,
.table i[class*="fa-"] {
    font-size: 0.875rem;
    color: inherit;
    margin-right: 0.375rem;
    vertical-align: middle;
}

/* Iconos en acciones de tabla */
.btn-action .fas, .btn-action .far,
.btn-action i[class*="fa-"] {
    font-size: 1rem;
    color: inherit;
    margin: 0;
    display: inline-block;
    vertical-align: middle;
}

/* Iconos en alertas - heredan color del contexto */
.alert .fas, .alert .far, .alert .fab {
    font-size: 1rem;
    color: inherit;
}

/* Iconos en badges - tamaño pequeño */
.badge .fas, .badge .far, .badge .fab {
    font-size: 0.75rem;
    margin-right: 0.25rem;
}

/* Iconos en listas */
ul .fas, ul .far, ul .fab,
li .fas, li .far, li .fab {
    font-size: 0.875rem;
    color: var(--color-gray-700);
    margin-right: 0.5rem;
}

/* Iconos en header - color blanco para contraste */
.header .fas, .header .far, .header .fab {
    color: var(--color-white);
}

/* Iconos en footer - color blanco */
.footer .fas, .footer .far, .footer .fab {
    color: var(--color-white);
}

/* === Estilos específicos para headers de eventos === */
.logo-link-eventos,
.logo-link-public {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.nav-link-back {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link-back:hover {
    background-color: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-back-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-white);
    font-size: 1.2rem;
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-back-mobile:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    color: var(--color-white);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Desktop Grande */
@media (max-width: 1200px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-menu a {
        padding: 0.5rem 0.875rem;
        font-size: 0.9rem;
    }
}

/* Tablet y Desktop Pequeño */
@media (max-width: 992px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .logo h1,
    .logo-text {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        gap: 0.375rem;
    }
    
    .nav-menu a {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* Tablet y Móvil - Menú Hamburguesa */
@media (max-width: 768px) {
    .container {
        padding: 0 0.875rem;
    }
    
    /* Header */
    .header {
        padding: 0.875rem 0;
    }
    
    .header-content {
        flex-wrap: wrap;
        gap: 0;
    }
    
    /* Header Left - Logo + Nav User Mobile */
    .header-left {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        justify-content: space-between;
    }
    
    /* Logo */
    .logo {
        flex: 1;
        min-width: 0;
    }
    
    .logo h1,
    .logo-text {
        font-size: 1.25rem;
        margin: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Menu Toggle */
    .menu-toggle {
        display: flex;
        order: -1;
        flex-shrink: 0;
    }
    
    /* Nav User Mobile - Mostrar */
    .nav-user-mobile {
        display: flex;
        gap: 0.5rem;
        align-items: center;
        margin-left: 0.5rem;
    }
    
    .nav-user-mobile a {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.1);
        transition: all 0.2s ease;
        font-size: 1rem;
        color: white;
        text-decoration: none;
    }
    
    .nav-user-mobile a:hover,
    .nav-user-mobile a:active {
        background: rgba(255, 255, 255, 0.2);
    }
    
    /* Nav Principal - Colapsable */
    .nav {
        width: 100%;
        order: 3;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }
    
    .nav.active {
        max-height: 600px;
        padding: 1rem 0 0.5rem 0;
    }
    
    /* Nav User - Ocultar en móvil */
    .nav .nav-user {
        display: none;
    }
    
    /* Nav Menu */
    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0.25rem;
    }
    
    .nav-menu a {
        width: 100%;
        padding: 0.75rem 1rem;
        justify-content: flex-start;
        font-size: 0.95rem;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.05);
    }
    
    .nav-menu a:hover {
        background: rgba(255, 255, 255, 0.15);
    }
    
    .nav-menu a.active {
        background: rgba(255, 255, 255, 0.25);
    }
    
    .nav-menu a i {
        width: 20px;
        text-align: center;
    }
    
    /* User Badge */
    .user-badge {
        width: 100%;
        padding: 0.75rem 1rem;
        justify-content: flex-start;
        align-items: center;
    }
    
    /* Logout Button */
    .btn-logout {
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
    
    .btn-logout .btn-text {
        display: inline;
    }
}

/* Móvil Pequeño */
@media (max-width: 576px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .logo h1,
    .logo-text {
        font-size: 1.1rem;
    }
    
    .nav-user-mobile a {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }
    
    .menu-toggle {
        width: 28px;
        height: 28px;
        padding: 6px;
    }
    
    .menu-toggle span {
        width: 20px;
        height: 2.5px;
    }
    
    .nav-menu a {
        padding: 0.675rem 0.875rem;
        font-size: 0.9rem;
    }
    
    /* Botones más compactos */
    .btn {
        font-size: 0.875rem;
        padding: 0.675rem 1rem;
    }
    
    .btn i {
        font-size: 0.875rem;
    }
    
    /* Cards */
    .card {
        padding: 1rem;
    }
    
    /* Títulos más compactos */
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    h3 {
        font-size: 1.15rem;
    }
    
    /* Formularios */
    .form-control {
        font-size: 0.9rem;
        padding: 0.675rem 0.875rem;
    }
    
    label {
        font-size: 0.875rem;
    }
    
    /* Tablas */
    .table th {
        font-size: 0.8rem;
        padding: 0.875rem 1rem;
    }
    
    .table td {
        font-size: 0.85rem;
        padding: 0.875rem 1rem;
    }
    
    /* Alerts */
    .alert {
        font-size: 0.875rem;
        padding: 0.875rem 1rem;
    }
    
    /* Page Header */
    .page-header h2 {
        font-size: 1.25rem;
    }
    
    .page-header .subtitle {
        font-size: 0.85rem;
    }
}