/* 1. Reset y Fondo General */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #fdf6e3; /* Fondo crema suave Amiztli */
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        /* 2. Tarjeta de Login */
        .login-card {
            background-color: #ffffff;
            width: 100%;
            max-width: 420px;
            padding: 40px;
            border-radius: 30px; /* Bordes muy redondeados */
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        /* 3. Animación de Nutrias (Corregida) */
        .illustration-container {
            width: 200px;
            height: 200px;
            margin: 0 auto 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: visible;
            position: relative;
        }

        .illustration-container img, .illustration-container video {
            max-width: 130%; /* Para que luzca el movimiento */
            height: auto;
            animation: rotacion 20s linear infinite; /* Rotación fluida */
            mix-blend-mode: multiply; /* Elimina fondos blancos accidentales */
        }

        @keyframes rotacion {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* 4. Título */
        h1 {
            color: #d4a017; /* Dorado Amiztli */
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        /* 5. Mensaje de Éxito (Para cuando vienen del Registro) */
        #successMessage {
            display: none;
            background: #f0fff4;
            color: #2f855a;
            padding: 12px;
            border-radius: 12px;
            border: 1px solid #c6f6d5;
            margin-bottom: 10px;
            font-size: 14px;
            animation: fadeIn 0.5s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 6. Inputs y Formulario */
        .form-content {
            display: flex;
            flex-direction: column;
            gap: 15px;
            text-align: left;
        }

        .input-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .input-group label {
            color: #b08d1a; /* Café/Dorado suave */
            font-size: 14px;
            font-weight: 600;
            margin-left: 5px;
        }

        .input-group input {
            width: 100%;
            padding: 15px;
            border: 2px solid #ffecb3; /* Amarillo claro */
            border-radius: 15px;
            outline: none;
            font-size: 15px;
            transition: all 0.3s;
        }

        .input-group input:focus {
            border-color: #ffcc00;
            background-color: #fffdf7;
        }

        /* 7. Botón Entrar */
        .btn-enter {
            width: 100%;
            padding: 16px;
            background: #ffbf00; /* Amarillo vibrante */
            border: none;
            border-radius: 15px;
            color: white;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(255, 191, 0, 0.3);
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .btn-enter:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(255, 191, 0, 0.4);
            filter: brightness(1.05);
        }

        /* 8. Links inferiores */
        .footer-links {
            font-size: 14px;
            margin-top: 10px;
            color: #4a4a4a;
        }

        .footer-links a {
            color: #ffbf00;
            text-decoration: none;
            font-weight: bold;
        }

        .footer-links a:hover {
            text-decoration: underline;
        }