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

        
        .logo-section h1,
        .info-content h2 {
            font-family: var(--tipo-institucional);
        }

        body {
            font-family: var(--tipo-interfaz);
            height: 100vh;
            overflow: hidden;
            background: linear-gradient(135deg, var(--navy) 0%, var(--navy-hondo) 100%);
            position: relative;
        }

        
        .bg-animation {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .floating-shape {
            position: absolute;
            opacity: 0.1;
            animation: float 20s infinite ease-in-out;
        }

        .shape1 {
            width: 80px;
            height: 80px;
            background: var(--papel);
            border-radius: 50%;
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape2 {
            width: 120px;
            height: 120px;
            background: var(--papel);
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            top: 60%;
            right: 10%;
            animation-delay: 3s;
        }

        .shape3 {
            width: 100px;
            height: 100px;
            background: var(--papel);
            transform: rotate(45deg);
            bottom: 20%;
            left: 30%;
            animation-delay: 5s;
        }

        .shape4 {
            width: 60px;
            height: 60px;
            background: var(--papel);
            border-radius: 50%;
            top: 10%;
            right: 30%;
            animation-delay: 7s;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0) rotate(0deg);
            }

            25% {
                transform: translateY(-20px) rotate(90deg);
            }

            50% {
                transform: translateY(10px) rotate(180deg);
            }

            75% {
                transform: translateY(-15px) rotate(270deg);
            }
        }

        
        .login-container {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .login-box {
            
            background: var(--papel);
            border-radius: var(--radio-2xl);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            width: 90%;
            max-width: 1000px;
            min-height: 600px;
            display: flex;
            animation: slideIn 0.6s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        
        .login-form-section {
            flex: 1;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .logo-section {
            text-align: center;
            margin-bottom: 40px;
        }

        .logo-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--navy) 0%, var(--navy-hondo) 100%);
            border-radius: var(--radio-2xl);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(var(--navy-rgb), 0.4);
            }

            70% {
                box-shadow: 0 0 0 20px rgba(var(--navy-rgb), 0);
            }

            100% {
                box-shadow: 0 0 0 0 rgba(var(--navy-rgb), 0);
            }
        }

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

        .form-control {
            border: 2px solid var(--filete);
            border-radius: var(--radio-m);
            padding: 12px 15px;
            font-size: var(--t-base);
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--navy-medio);
            box-shadow: 0 0 0 0.2rem rgba(var(--navy-rgb), 0.25);
        }

        
        @media (pointer: coarse) {
            .lang-switcher-item {
                min-height: var(--tactil-min);
                display: inline-flex;
                align-items: center;
            }
        }

        .btn-login {
            
            background: var(--oro);
            color: var(--tinta);
            border: none;
            border-radius: var(--radio-m);
            padding: 15px;
            font-size: var(--t-base);
            font-weight: 600;
            width: 100%;
            margin-top: 20px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(var(--oro-rgb), 0.45);
        }

        .btn-login::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            
            background: rgba(var(--tinta-rgb), 0.12);
            transition: left 0.5s ease;
        }

        .btn-login:hover::before {
            left: 100%;
        }

        
        .info-section {
            flex: 1;
            background: linear-gradient(135deg, var(--navy) 0%, var(--navy-hondo) 100%);
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--papel);
            position: relative;
            overflow: hidden;
        }

        .info-section::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            animation: slide 20s linear infinite;
        }

        @keyframes slide {
            from {
                transform: translate(0, 0);
            }

            to {
                transform: translate(-50%, -50%);
            }
        }

        .info-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .feature-list {
            margin-top: 30px;
        }

        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            opacity: 0;
            animation: fadeInLeft 0.6s ease forwards;
        }

        .feature-item:nth-child(1) {
            animation-delay: 0.2s;
        }

        .feature-item:nth-child(2) {
            animation-delay: 0.4s;
        }

        .feature-item:nth-child(3) {
            animation-delay: 0.6s;
        }

        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: var(--radio-m);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }

        
        @media (max-width: 768px) {
            .login-box {
                flex-direction: column;
                max-width: 400px;
            }

            .info-section {
                padding: 40px 30px;
                min-height: 200px;
            }

            .login-form-section {
                padding: 40px 30px;
            }

            .feature-list {
                display: none;
            }
        }

        
        .alert {
            border-radius: var(--radio-m);
            margin-bottom: 20px;
            animation: shake 0.5s;
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0);
            }

            25% {
                transform: translateX(-5px);
            }

            75% {
                transform: translateX(5px);
            }
        }

        .lang-switcher {
            position: fixed;
            top: 1.25rem;
            right: 1.25rem;
            z-index: 20;
            display: flex;
            gap: 0.25rem;
            
            background: rgba(var(--navy-rgb), 0.85);
            backdrop-filter: blur(6px);
            border-radius: var(--radio-pastilla);
            padding: 0.25rem;
        }

        .lang-switcher-item {
            display: inline-block;
            padding: 0.35rem 0.7rem;
            border-radius: var(--radio-pastilla);
            font-size: var(--t-sm);
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: background 0.15s ease, color 0.15s ease;
        }

        .lang-switcher-item:hover {
            color: var(--papel);
            background: rgba(255, 255, 255, 0.2);
        }

        
        button.lang-switcher-item {
            border: 0;
            background: transparent;
            display: inline-flex;
            align-items: center;
            cursor: pointer;
        }

        button.lang-switcher-item:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .lang-switcher-item.active {
            color: var(--navy);
            background: var(--papel);
        }

        
        @media (max-width: 768px) {
            body {
                height: auto;
                min-height: 100vh;
                overflow-x: hidden;
                overflow-y: auto;
            }

            .login-container {
                height: auto;
                min-height: 100vh;
                padding: 1rem 0;
            }
        }

        
        @media (max-width: 420px) {
            .lang-switcher {
                position: static;
                width: fit-content;
                margin: 1rem auto 0;
            }
        }