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

        body {
            display: flex;
            width: 100%;
            min-height: 100vh;
            background: #f2f2f2;
            font-family: Arial;
        }

        /* LOGIN */
        .login-box {
            width: 500px;
            margin: 100px auto;
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }

        .login-box h4 {
            text-align: center;
            margin-bottom: 25px;
            color: #555;
        }

        .input-group {
            position: relative;
            margin-bottom: 20px;
        }

        .input-group i {
            position: absolute;
            top: 50%;
            left: 12px;
            transform: translateY(-50%);
            color: #555;
        }

        .input-group input {
            width: 100%;
            padding: 10px 10px 10px 40px;
            border-radius: 5px;
            border: 1px solid #ccc;
        }
        

        button {
            padding: 10px;
            background: #1e90ff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }

        .login-box button {
            width: 100%;
        }

        button:hover {
            background: #0f65c2;
        }

        /* MENÚ */
        .menu {
            width: 230px;
            background: #1e2a38;
            color: white;
            height: 100vh;
            overflow-y: auto;
            overflow-x: hidden;
            transition: 0.3s;
        }

        .main-content {
            flex: 1;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .menu.collapsed {
            width: 60px;
        }

        .menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px;
        }

        .toggle {
            font-size: 22px;
            cursor: pointer;
            color: white;
        }

        .logo-menu {
            width: 150px;
            transition: 0.3s;
        }

        .menu.collapsed .logo-menu {
            display: none;
        }

        .menu h3 {
            text-align: center;
            margin: 15px 0;
        }

        .menu a {
            display: block;
            padding: 12px 20px;
            color: white;
            text-decoration: none;
            background: #1e2a38;
        }

        .menu a:hover {
            background: #2c3e50;
        }

        .menu.collapsed a span {
            position: absolute;
            left: 55px;
            top: 50%;
            transform: translateY(-50%);
            background: #1e2a38;
            color: white;
            padding: 6px 12px;
            border-radius: 5px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: 0.2s ease;
            font-size: 13px;
            box-shadow: 0 0 5px rgba(0,0,0,0.3);
            z-index: 9999;
        }

        .menu.collapsed a {
            position: relative;
        }

        .menu.collapsed a i {
            margin: 0;
            font-size: 20px;
        }

        .menu.collapsed a:hover span {
            opacity: 1;
        }

        .menu-item > a {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .menu-item > a .arrow {
            margin-left: auto;
            font-size: 12px;
        }


        .submenu {
            display: none;
            background: #263645;
        }

        .submenu a {
            padding: 10px 40px;
            font-size: 14px;
            color: #dcdcdc;
        }

        .submenu a:hover {
            background: #2f4255;
        }

        .salir {
            background: #c0392b;
            margin-top: 20px;
        }

        /* Asegura que el contenido use todo el espacio a la derecha del menú */
        .content{
            flex: 1;
            width: 100%;
            padding: 20px 40px;
            box-sizing: border-box;
        }


        h2{
            display: block;
            width: 100%;
            text-align: center;
            color: #fff;
            background: #808080;
            padding: 10px 12px;
            margin: 8px 0;
            border-radius: 0; /* si lo quieres recto */
        }


        h3{
            text-align: left;
            color: black;
        }

        /* Tutoriales */
        .video-container {
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .video-container iframe {
            width: 80%;
            max-width: 500px;
            height: 250px;
        }

        .tutoriales-container,
        .accordion,
        .accordion-item {
            width: 100%;
        }

        .accordion-header {
            width: 100%;
            background: #1f2d3d;
            color: white;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            cursor: pointer;
            align-items: center;
        }

        .accordion-content {
            border-left: 4px solid #1e90ff;
        }

        .toolbar {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }

        .btn {
            padding: 10px 15px;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
        }

        .btn-green { background: #2ecc71; color: white; }
        .btn-red { background: #e74c3c; color: white; }

        .accordion-header i {
            transition: transform 0.3s;
        }

        .accordion-item.active .accordion-header i {
            transform: rotate(180deg);
        }

        p{
            text-align: center;
        }